Tag Archives: Proe

When Imprecise is Good Enough

Rotary valves for depositors and food sevice use quite often have a few critical measurements that need to be adhered to. The size of the  rotary cutouts to match the housing cutouts and degree of angle of these around the centerline of the valve and housing cutout. The diameter and angle of the lever at the end.

Perhaps the most difficult area of creation is where two cutouts meet where they are of differing sizes and the corner rounds also differ. How do you make this geometry work? Now keep in mind this is a part to be cut on a rotary indexer on a VMC and ability of product to flow through this valve is far more important than a perfect blended set of surfaces where the two cutouts meet.

Here is the actual valve we are duplicating and while it is not real clear you can see enough to get the idea of where we want to go. In the following video the creation of the majority of the geometry and all the sketches have been done ahead of time and what I want to show is how direct editing can quickly arrive at a factory produced part condition.

I extrude remove from the top plane a cutout and apply corner rounds at this time keeping the depth of the cutout just into the part enough to create the rounds.

I can now go to the sketch on the angular plane and extrude remove viewing through the right end and in wireframe mode and go until by eye I can see it is close to the vertical surface on the back side of the first cutout. I now apply rounds.

Now I can select the round feature on the first cutout and the steering wheel shows up. I select the direction and drag down in “Z” until I can see that the round on the first cutout does not protrude below the second cutout. Close is fine here and I don’t need to fuss with precise placement of a gob of faces with differing radiuses and diameters.

This valve by the way goes into a unit where dispensing is into differing size pans and in the future if it needs to go into smaller pans I can window pick each set of cutouts in the centerline one at a time and move them over accordingly without have to create a whole new part with new sketches like I would have to in traditional modeling. Here I just make the edits and save it as a new part and in no time have a family of parts.

Here is the video. http://youtu.be/v1QIrWP84-k

CAD Goblins Arrive Before Halloween

Reading Ralph Grabowski’s article http://novedge.com/i/114113 this morning about Autodesk and the cloud. Also reading about how Microsoft wants to force everyone to the cloud in some form or fashion to use Office 2013. http://www.zdnet.com/what-you-gain-and-lose-with-office-2013-subscriptions-7000004386/   .

I have to conclude that the idea of having a superior product to sell to willing buyers is not enough anymore for some companies. They look to be trending towards models that will force a constant revenue stream from customers that prefer to lock in their costs with a permanent seat of software. How many people do you know who are currently using software years old in their business and doing quite well with it. I have to admit that within two years I may well be in a position that the software I have at that time will last me for the rest of my career. I manufacture primarily from my own parts and as long as my CAD can communicate with my CAM and my CNC equipment I don’t HAVE to get anything else from these software companies. I was using an 11-93 Haas VF3 and in part Surfcam from 2006 and VX from 2009 and doing good enough for quite some time. Now with current stuff in my shop I can go for many years without changes or costs to keep current and do just fine. There are lots of companies that can make the same claims and indeed use software from the past to make a lot of money. The true beauty of permanent seats. This includes major corporations like Boeing too where they still have a large CAT4 presence so it is not just the small players.

Don’t you know how much companies like Dassault and Autodesk (yes and Microsoft evidently) hate the idea you can earn money legally with their stuff and not have to pay them each time you do so?

So back to Ralph’s article today and I have some comments about  what Autodesk proposes. It is all about follow the money and how to force customers into never-ending cash cows. It has nothing to do with those mythical cloud efficiencies so oft talked about but never clearly and concisely demonstrated. It is about the iPhone model where you start out with unlimited downloads and in quick order after a level of market penetration is achieved it goes away to be replaced with data caps and charges. In other words after a short period of time your costs will go up. In the case of files your autonomy will most likely go away and indeed perhaps even the right to use your own intellectual property if you can no longer open and edit files because you decide to quit the pay to play extortion racket.  Assuming you have read Ralph’s article and are up to speed let us proceed. You do need to read it for the first paragraph below to make sense..

What would be of interest is the complexity of the jobs allowed for the count or are all jobs created equal for the purpose of counting? My bet would be for a data cap somewhere and that brings me to this point. For around $10,000 you get a Dell mini supercomputer with astounding capabilities for FEA and rendering which seem to be the current sweet spots for multicore usage and which utilizes the Cuda tech for the GPU. The first out of the box is always clunkier and more expensive than what follows so I think it is reasonable for there to be greater capabilities at a lower cost within a year.

Now this will sit in your facility and have no internet related problems with throughput or security (yes that dirty little cloud cuss word) and for the price of one years usage be available for three years. I am basing that upon how long my replacement cycles seem to be. NO data caps from your ISP or from benign corporations like Autodesk who no doubt would never ding you extra for high data uses compared to the norm.

Ah yes, the cloud. That wonderful vehicle for corporations to get you and hold you and charge you. Except that other corporations are building the casket for this cloud model with super computing power cheap enough to sit on most desks in the CAD world and do I bet 95% of what will be needed in a timely fashion. I dare say that the majority of companies that have large complex analysis or renderings also have the wherewithal to buy the more expensive models to sit in their facilities and not go on the cloud and save money and time to.

Don’t you just love the deliberate ambiguities from cloud vendors about exact details and the TOTAL lack of any real ROI true life studies where they take a desktop or server and directly compare it to a cloud doodad with same files usage? And I mean all costs as these cloud guys never cover the ancillary costs associated with their services from tech and IT support to the cost of data over the ISP’s and any special gear needed to make this work on the customer’s end.

https://solidedging.wordpress.com/2011/12/08/last-body-part-needed-for-frankencad-identified/

I vacillate between Frankencad or Draculacad and have a hard time some days deciding which is most appropriate. Today I think I will opt for the bloodsucker.

Prepackaged Malware for you and the Cloud

I think the rush to embrace new for the sake of new because a group of people see a way to make money is a foolhardy thing. Yes I know the cloud is going to be used in some areas as I have said before but not for critical data like CAD as far as I am concerned. I am rethinking even for banking as there are more and more problems and at some point in time people will lose out. At the very least to be safe you have to hire something like Lifelock to protect your identity online. There is a price to pay for convenience in either stolen identities and or cash or at the least fees you have to pay each month for insurance like Lifelock.

Cool, tech savvy, cutting edge etc but mostly executives looking to reduce expenses any way possible and believing too much in hype. My favorite types are of course MBA’s and CPA’s without a primary or secondary degree in real world disciplines like Engineering or manufacturing. Basically the same group of clowns that brought you tech support from people who can’t speak English and have to read from the script while they try to solve your problem. Big money saved for them but what about their customers?

Today I read this. http://blogs.technet.com/b/microsoft_blog/archive/2012/09/13/microsoft-disrupts-the-emerging-nitol-botnet-being-spread-through-an-unsecure-supply-chain.aspx

This follows what was recently revealed with Military items which were similarly compromised because our MBA CPA types have moved huge chunks of our manufacturing to places like China. Word to the wise. If the company that wants you to put CAD on the Cloud will not make a clear and binding commitment to you as a customer to make you whole from any damages from forced usage of the cloud can you afford to be there? The world is getting more complex all the time and you can ill afford to purchase a service that the offering company will not stand behind when it is you and your company who will be left holding the bag.

If you are wondering about the cloud or considering useage of the cloud for CAD perhaps this would be a link of interest. http://www.zdnet.com/topic-security/ Read this for a few weeks and see for yourself about why none of these cloud for CAD vendors will stand behind what they want you to buy into.

As an aside here. Our government is a serious participant in the undermining of the US manufacturing base. They inflict ADA, EPA, OSHA,  affirmative action, and tons of other things that have gone so far past reasonable or justifiable, like Homeland Security has become, and into the realm of confiscation and socialism that it is hard to imagine this is America anymore. Then they allow companies to relocate to places like China where they can do what they want with ten times the pollution introduced into the atmosphere as what would have happened here and no alphabet agencies to ruin their days.  This November there will be perhaps the last time to vote against all this crap before we slide over the cliff if indeed it is not to late no matter who gets in. I am afraid we are in for a time of real trouble which will last for years no matter what and the best we can do is limit the damage by getting rid of the big government socialists in BOTH parties and begin reconstruction for the future.

I don’t normally put politics in here but sorry, it does affect me as a CAD user and as a company owner and I am getting tired of being walked over by big bad government and lazy people who want to stay at home and goof off while I have to work. Oh, and 100,000 dollar a year teachers that can’t teach in Obama’s back yard. His buds don’t you know.

Could the Cloud be the Death Knell for Your Company?

I get emails on occasion questioning me as to why I am so adamant against putting things like CAD data on the cloud. I know the cloud is going to be common place for many more things in the near future than it is today. But the seriousness of your jeopardy there can’t be understated nor plausibly denied. Reading ZDNet stuff today and two articles rear their frightening heads.

http://www.zdnet.com/apple-patent-could-remotely-disable-protesters-phone-cameras-7000003640/

In part I quote.

U.S. Patent No. 8,254,902, otherwise known as “Apparatus and methods for enforcement of policies upon a wireless device,” was granted in late-August, and would allow phone policies to be set to “chang[e] one or more functional or operational aspects of a wireless device […] upon the occurrence of a certain event.”

What that means in real-terms is “preventing wireless devices from communicating with other wireless devices (such as in academic settings),” and for, “forcing certain electronic devices to enter “sleep mode” when entering a sensitive area.”

What this also means is what can be disabled can be enabled and can be set up no doubt to transmit data back to whomever. I thought people figured I was over reacting to this kind of stuff when I talked about just this type of vulnerability with iPhones and the Chinese who make them. I am quite certain they would NEVER take advantage of this for back doors now would they. ” Could you prease turn you iPhone little, we need better picture” was a comment I made then and now this is in the news. Courtesy of the Cloud and Apple which has a really bad rep for creating hostages and data mining anyway we have your complete junior corporate/hostile government espionage kit soon to be included with every new iPhone. Now it’s not just iPhones that could be capable of this but I think they seem to be leading the way in this corrosive technology.

One of the other things is how much access your government has to your data because you allow it online. http://www.zdnet.com/bad-assumptions-about-cloud-computing-and-the-patriot-act-7000002614/

It was my assumption originally that the Patriot Act which was supposed to provide for the protection of US citizens had as its primary goal a George Orwellian motive and utilised hysteria from 9-11 to get it through. Well Animal Farm is here and along with it the ability of many to access your data and never have to tell you about it. ( By the way, Ayn Rands book “Atlas Shrugged” and George Orwell’s book “Animal Farm” are worthy reads for you and your children if you have not already  done so.)  Apparently when BAE defense in Europe decided to not renew various Microsoft Office products based on what they perceived to be security risks to their data because they felt the US government could access everything as Microsoft was an US company. It turns out there is no safe haven and the Europeans are doing the same to their own citizens to.

Corruption and crony capitalism involving government officials is well-known and sadly appears more and more to be widespread. How easy it has now become to force access to your data through this mechanism of domestic security via the vehicle of bribery or influence peddling. Do you dear reader trust the foxes guarding the hen-house to leave the eggs alone? Do you see any justification anywhere they are trustworthy? I see Eric Holder in this country doing as he pleases with your stuff for whatever reason and who is going to chasten the corrupt top cop? I see companies like Google harvesting tons of things to be used for whatever reason and not telling you what or why. I see the Chinese government who has built a huge economy in part through theft of intellectual property utilizing subpoenas to get what they want when they can’t hack it their way into it.

Now I have laid some actual and philosophical reasons out here for you to consider. I want you to think seriously about what I have said so far and then remember what is the common single thing that makes all this jeopardy possible. It is a method of data mining that you can’t stop or prevent except by one thing and that is to not allow it to happen in the first place. The ONLY known method to stop this type of breach is stay offline. Yes I know the iPhone has a camera that could be used just like a camera for later uploads but remember that the back door I am talking about here is enabled and directed over the web.

I don’t have any good answers for companies that are geographically diverse and feel the need for data transfers. It is in many ways a competitive advantage I know but how can any of this stuff be made truly secure?  I do believe it is time for companies to start a serious review of security measures however from allowing iPhones into your facility and onto the shop floor to what data can you afford to lose by exposure to the internet.

I remember reading of a story where the Russians were interested in some of our aircraft some time back. Well of course they were not allowed to take cameras into the facility but they did take sticky soled shoes in there and wandered around machining areas where they captured alloy samples which they took back with them. The jeopardy for your data lifeblood today is far more pervasive. I fear in many cases the thief is invited in through the corporate boardrooms where promises of security are believed and myopia prevents anything past purview of cost cutting for the next quarter. And make no mistake, the thief IS invited in when you use the cloud. Now you have to determine if the jeopardy is worth it.

So, You Are Shopping For CAD and CAM?

8-29-12

I wrote this just after SEU2012 and never got around to publishing it till today.  If it is of interest to you readers this will touch on a bit of what I have gone through in selecting programs I choose to put my own money into and my observations on competing softwares that could have been contenders.

I truthfully have no idea yet what the integration with Geometric will be like but based upon a thirty day trial of Camworks I had and the feedback from people in the industry I respect about Geometrics reputation as the go to guys for this kind of stuff I believe this will be a good integration. Some of these CAM comments I make below are based on what I fully expect from my CAM software vendor.

7-1-12

For my Canadian  money printing follower here is the novella for the day EH!! 🙂

While I had not intended this to be a post when I began this reply the more I thought about it the more I thought it should be. I rely on actual users to help steer me in the right direction. Now users and pretend users can steer you wrong so it is not a primary decision maker for me but it is important. I research the users I listen to by the way as there are individuals out there who talk a good superficial line but apparently don’t use the programs they pontificate on. They  never produce work for you to see in a webex or in files to share to demonstrate just why they say what they do so I learn to weed them out. Since I am a small job shop I tend to look to other small job shops for my information.

How good is support, can they work with your files without seeing them before with confidence and produce a good part or tool path? Is the company stable and not about to do stupid things to their customers whom they really don’t care about anyway? Do problems get fixed and is geometry creation and good cam paths with users in mind the goal of the companies you are considering doing business with? Salesmen are at the bottom of the food chain most of the time when it comes to reliable information and you have to do some homework if you are going to protect yourself from them and bad choices. Due diligence is needed and never be in a hurry. You will have to live with what you choose in money and time.

Just as an aside here. In 1997 Geometric was the first company to integrate CAM with SW. They evidently liked something they saw there and time has proven this to have been a wise choice for them. This same company is now deciding to be the first to integrate with SE and I think they see in SE just what they saw in SW when SW was on its way to becoming the ProE giant killer.  I think they see the rise of SE and the demise of SW as history repeats itself again with another company that has become to arrogant to consider its users needs first.

So, on to the rest of the story.

Submitted on 2012/06/30 at 5:06 pm

I’m a fairly inexperienced CAD/CAM user from Sweden presently working with Alibre CAD professional and a 2D CAM system called PrimCAM. I also make what I draw using a Datron M25 milling machine and what I do is mostly “bed-of-nail” test rigs for embedded electronics or casings for other type of test equipment. Also custom-made heat sinks happen from time to time.
I export my Alibre work as DXF to PrimCAM, and as you can understand I either have to update both in Alibre and PrimCAM if I change something. If the change is of major kind, I’ll do best starting over.
This has worked ok in the past, but now as my rigs tend to be more and more complicated I’ve came to a point where I need to update my software tools to be more efficient.
I don’t really need true 3D milling capabilities as I see it now, I guess what they call 2 and a half D milling covers my needs. I also don’t need the absolutely most efficient strategy for milling my parts since I don’t do mass production – but it needs to be fairly clever tool paths generated so the part doesn’t take 40 minutes to manufacture if it could have been done in 20…
I find Solid Edge to be a strong competitor for the CAD part of my work (also most expensive) compared to Inventor, SW and another French system called Top Solid. It’s the Synchronous Technology and Live Rules that I like but other than that (but it seems like a big advantage) I don’t know if the differences are so big. Some people seem to like the interface better in SW but I guess that’s of less importance than ST. I would appreciate comments on choice of CAD – is SE the way to go?
I also want to ask what you know about Siemens CAM software. The company that offers me Solid Edge also offers (NX) CAM Express Foundation and CAM Express 2.5 Axis Milling Add-On. From what I understand it’s fairly integrated with SE and seems to be powerful enough for my needs. But compared to CAMWorksXpress it’s very expensive, about $6300 compared to the campaign price of $750 for CAMWorksXpress. But in my experience you quite often get what you pay for, but in this case it might be that NX CAM Express is more than I need.
Don’t know if it’s proper behavior to ask questions like this here, but I’d surely appreciate if you (or someone else) would respond to any of the questions embedded in the text above.
Lars

Submitted on 2012/06/30 at 9:19 pm | In reply to Lars B.

Hi Lars,

Some significant things are happening in the CAD world right now. Solid Works is a company that has stopped listening to it’s customers and many users are going to leave soon. Here is a link to the most popular SW blog and you can see for yourself what many long time power users think. http://www.dezignstuff.com/blog/ They are also going to be changing the geometry kernal for SW from Parasolids which Siemens owns to CGM which Dassault owns. With this many years of legacy files it is not going to go well. They are also going to try to implement direct editing and force parts or maybe even all the program to work off the cloud which is by itself in my book sufficient reason to either leave if I was there or not buy if I was looking. Add to this the joy of bad translations for quite some time as they fix the kernal change. Remember, this is the company that still can’t get Catia 4 to communicate completely with Catia 5. SolidWorks has the most users today but this is going to change over the next two years or so. Even this advantage to users will go away. NO direct editing in SW and I will not work any other way. They have this move face thing the sales guys will try to convince you is the same but they lie when they do. SW does have a number of integrated CAM programs some of which are quite good and there is associativity there although to what degree you can alter your part and regen I don’t know. If you totally destroy features nothing will regen past a certain point and then Feature Recognition is what you would be looking for to make major edits easier in your CAM plan.

I don’t know a lot about Inventor. Those I know say it is not as good as Solid Edge or SolidWorks. However, soon according to the head of Autodesk ALL their geometry creating programs will be working on the cloud. You can’t afford to go there for a lot of reasons and you never want to buy into anything where you can’t get a permanent seat to use. This is above and beyond all the reliability problems you would have working on the cloud and no guarantee of security either. Plus you have no idea how they will treat you in the future so those monthly or what ever fees you will have to pay to rent your data back from their servers which will for sure only go up in cost far quicker than the expense of owning your own stuff.

I did look at TopSolid when the buzz was going on about it a while back. No direct editing worth a flip compared to SE and I will not work with anything that does not have SE’s level of capabilities in this area. I have been spoiled. Cam there looked pretty decent but the GUI was very strange and convoluted to me. The modular like pricing quickly took me way past where I wanted to be and that was the end of TopSolid for me. They have also just been bought out and until time passes no one can say what will happen here. UGS had real problems in the past when they were owned by five different Investor capital companies and decisions that should have been made to benefit users were instead made to pay off investors. Siemens buying UGS ended all that for UGS by the way.

I had integrated CAD and CAM with my old software which is now known as ZW3D. I was not happy there because of lacks in the CAD side for MCAD, primarily sheet metal. This started me looking for a new CAD program and I was evaluating Solid Edge V20 and SolidWorks at the same time. I went to two SW demo days and the logic there never clicked with me. I am sitting there with these guys around me click clicking away and having no trouble and I sitting there saying “how did you do that again?”. SE on the other hand made good sense to me and the work flow I understood quickly. Then SE’s first version of Direct Editing called Synchronous Tech came out. I went to see a demo and watched this guy drag all the geometry associated with the front face of one of my parts that constantly changed around and my jaw hit the table. I wanted that power to edit existing geometry more than anything I had ever seen and it took about 15 seconds for me to decide I was going to have this. ST1 and 2 were pretty rough. ST3 was much better and by ST4 I would recommend it to anyone with confidence. Direct editing is too powerful to ignore and if you are constantly revising parts like I am there is no better way. Plus you import and work on files from other CAD programs without worry. I can edit stuff from SW faster than the author can and it’s kind of funny to prove this to SW users. Assemblies with huge numbers of parts (400,000 plus and yes I mean that) are done in SE and you can create parts in place in an assembly or edit parts in place in an assembly and not have to worry about breaking things. The Parasolid kernal which produces SyncTec has things Siemens does not sell to others so the best iteration of direct editing will only be available through SE and NX. Siemens bought out UGS and they have no intention of changing what they do so if you intend to be in business for a long time there is industry best stability here with the product and management philosophy. Siemens bought UGS a few years ago to assist in making their manufacturing capabilities better and they are all about geometry creation and customer needs. Unlike others who are getting busy doing things they want to and the heck with their customers desires.

Camworks Express would be the way for you to go. Geometric which owns Camworks is going to be the first company to integrate CAM with SE. I saw a crude beta of this at SEU 2012 in Nashville and it looked good. Camworks also has good feature recognition which will help tremendously in part edits. I think this integration will happen sometime this year. I have been holding off on a CAM purchase to replace this clunky ZW3D I currently use until something was integrated with SE and I think the wait is close to being over. NX Cam Express is never going to be fully integrated with SE. This is not conjecture it is the decision of UGS that this will be so. It is also complicated I hear to learn and you have to learn bits of NX to use it because it brings part files in from SE and converts the geometry to the NX CAD file type before the CAM program can work with it.

Alibre opened some doors for you but as you are finding out better tools make for better easier work. Alibre is great stuff to get your feet wet with but has limitations. It sounds like you intend to pursue this long-term as a living and are looking to increase your capabilities which will increase your income with more work because you can offer more to your customers. I don’t like paying for these programs any more than anyone else but there are things I can do with SE that even after four years still make me grin. I can’t believe that I used to think parametric history based stuff was so good. I bring a part into ZW3D to cut and I refuse to edit a part there. Back to SE it goes. I believed with my own time and money that SE was the best midrange MCAD modeler out there when I bought it and four years later it is vastly better. It saves me time and money over what I used to use even though it cost me more. With Geometric integrating soon with SE I would have it no other way. If you are serious about getting better tools for the future I recommend without reservation SE which I have used for four years now so I have experience. With the Geometric stuff I have very little experience but users I talk to say good things and the time I have spent with it in a thirty day trial looked good enough to me to decide to buy it when it is integrated with SE. I would do it sooner but I just can’t stand the thought of having to pay for SW just so I can use CamWorks so I will wait. You never find the crummy sides to a program in a thirty-day trial there is just not enough time. What I have seen though looks good enough and I know that every CAM program out there has problems no matter how expensive it is so there is no perfect choice.

I think the selection of CAD and CAM is a serious issue for users in both up front money and then in time spent to learn. I don’t like sales reps as a result as I have heard more garbage from them about CAM programs in the last half-year and I have become quite cynical about anything that comes out of their mouths. They just want a sale and the heck with you. I know from personal experience the cost and grief and also the benefits of software. What you are reading here today are my conclusions arrived at by spending my own time and money and I hope they are of help to you. You will have to improve your software if you intend to grow and not drag inefficiencies and problems with you though. Good luck and never be in a hurry to make a choice.

Your Latest Cloud Update Served up Piping Hot

Ah yes the cloud. The answer for every woe any CAD user does have or ever could have. Robust and reliable in its implementation and cost-effective in how it eliminates all need for expensive in-house networks and computers/servers.  Get the latest and greatest without the needless burden of an IT staff as everything is done for you automatically and almost as though it were magic you just show up and it all functions as one cohesive unit. Unparalleled efficiencies are yours as

http://usa.autodesk.com/adsk/servlet/ps/dl/item?  siteID=123112&id=20327837&linkID=9240618

Ahem, as I was saying unparalleled efficiencies are yours  from the latest version auto updates to reliabilities far greater than any

http://techcrunch.com/2011/08/08/amazon-ec2-outage/

Alright look would you quit interrupting me?  Now as I was saying, unparalleled efficiencies based upon geosynchronously redundant server farms producing greater uptime than any in-house solution could provide.

 

Know what I mean Vern?

Logic and Solid Edge

One of the current posts at the Siemens BBS for Solid Edge has a topic of interest to me and it is in part about the useage of Synchronous Technology over traditional by current users and the logic employed by ST.  Dan Staples had a reply there and it was as follows.

“Re: OK, so why aren’t you using ST?

We had some good sessions at the Productivity Summits on Live Rules and it gave me an opportunity to summarize that they are nothing more than applying basic human reasoning to CAD. Take any part you see lying around your operation — it doesn’t even have to be in CAD — maybe it’s better if its not. Just look at it and see if you can name some of the design intent that clearly exists in the part (and of course a physical part has no sketches and history tree). What do you see? Stuff lined up? Stuff tangent?

I’d bet some things you are going to see (depending on the part) are;   1. The part is symmetrical.  2. There are tangencies between faces.  3. There are holes that all line up, either sharing the the same axis, or all in a row along X or Y  4. There are faces that are clearly in the same plane.   Do you suppose these things happened by accident? No, someone (maybe you) designed it that way. You don’t need a sketch and a history tree to tell you that — you as a human can look at it and see that design intent in the final part very clearly. Why can’t the CAD system see this?   Answer: It can. That is what Live Rules is –> Applying basic human-level analysis to a part to mine the intent that is inherent in it. Then, its up to you if you want to override that reasoning on a case by case basis, or let it do what is naturally apparent in that part to humans (and now to CAD via Live Rules).

Dan Staples  Director, Solid Edge Product Development”

I had an incident in my shop this past week reflects upon what he said. A friend of mine had a part cut wrong and he brought it over for me to weld the boo-boo so it could be recut. When you do a weld fill-in on a cut part it is always best to rough recut it before you leave the welder’s shop if you can. You can have low spots very easily as you have a fine line to walk between just enough and gobbing way to much on a part just to make sure.

Now for some reason Bobby just could not remember that my lathe was not the one in his shop he was used to using. So he would start it up and then immediately reverse it because it was going the wrong way. I let him do that a couple of times before I stopped him and pointed out that it was hard on my lathe for him to do that. He sheepishly admitted he knew that but my lathe was wired wrong. So I pointed out to him the logic behind the engage lever. I said think of the direction of rotation you want to go in and pull the lever in that direction and you can’t go wrong. My creature of habit friend never did it again once it was explained to him in those terms.

What you say about ST makes perfect sense to me Dan. ST is a different mind-set and while it does not do it all it does so much very well I can’t imagine working without it for the parts my company makes.

There is a learning curve with ST and a logic mind-set and as is true with any tool it can’t be used for everything. But once you use it I dare say that there will be no return to a world of straight history based parts creation. The power of direct editing is to powerful to ignore.

This is a go no go plate for checking filled capsules for defects like split caps. If there is a split the capsule will not fall through.  The holes have two draft angles and a cylinder. Now with ST I can create this plate as I did before meeting with my client without knowing precisely the size of the cylinder. He brought the data with him and I sat down and edited the hole that was the origin of the pattern and had a correct resized part in seconds. Literally. It is always a bit amusing to see a customer sit down for the taking of time for the editing of the part he knows is coming. He is used to traditional  history based editing after all. On a part like this it took perhaps a half-minute from beginning to end. In the future there will be other capsule sizes and each one will take more time to open the original part file and create a new file name and save the new derived part than it will to edit and  create a whole new part size. When you turn to your customer and say “thats it, were done” it is good manners not to tell them to pick their jaw up off of the table 😀

 

A change of mindset and learning new logic has been tremendously productive for this shop. I look at parts like this and remember how it used to be and I don’t ever want to go back.

 

Whose Vision are YOU paying for?

This post started over at another machine shop yesterday. I went to get some part files and the owner there knows I am a big fan of Solid Edge and speak disparingly of Solid Works when the topic of CAD comes up. “So” he says , ” what is all this talk about SW going away anyway? All my customers use it and none of them use Solid Edge”. He is not a CAD guy and uses files others create to machine from so it is kind of hard to explain to him why this is so. I mean it does work for him and the heavy CAD lifting is done by others and they use SW so what could be wrong, Right?

Perhaps those of us who read posts and industry related articles are the abnormal ones. Maybe most of us just use what tools we are given by our employer and watch the clock so we can precisely time our exit from purgatory to the precise millisecond. And I begin to wonder how many others who actually own businesses who have that same interest level in these software tools they use.

To me fascination with all things CAD/CAM is of interest as it is an integral part of my life and my future and directly impacts everything in my business. I can’t fathom not being interested. professionally as a user I should think looking at trends and capabilities of the software tools would be important. As a business how could I justify ignoring everything about directions of the companies whose software products I buy and also ignore emerging new better ways to do things. Sad to say I think the vast majority of CAD users fall into the I don’t care ignorance is bliss  categories.

Trends and capabilities of your software are important. Are you planing for the future in terms of multiple years or just day-to-day? When I look at software I am looking for stability, longevity and functionality for the rest of my business career.  I seek the answers which best provide cost-effective time use and where I can expect to plan for the future with a consistent forward-looking customer oriented company that understands if I don’t prosper they won’t either over time.

I ran across and article by  on May 2, 2012 and the link is http://gfxspeak.com/2012/05/02/is-catia-v6-over-the-hump/       I will be using quotes from this.

Now before I go further I want to say that the myopia of many with SW, soon to be Catia Lite, and Dassault and Catia may well only be exceeded by the directors of Dassault. I am going to talk about some of these major disconnects.

File compatibility. This is one of the biggies for me as I often get files from others and I have to be able to use these. Direct editing solves this for me in an elegant fashion. There was thought behind ST to make it so.

“Neither Bell nor Cessna has yet grappled with how to share data with suppliers who use file-based CAD software from Dassault Systèmes or other vendors. Dassault announced recently that Catia V6 R2012x will be able to exchange data bi-directionally with an upcoming release of V5 dubbed V5-6R2012x.move to V6. Speaking at the 2009 COE conference in Seattle, Kevin Fowler, vice president of systems integration and process tools for Boeing’s Commercial Airplane division, said his company needed to recoup its investment in migrating from Catia V4 to V5 before considering a move to V6. Today Boeing people say their company still has no plans to move to V6.

Other Dassault Systèmes customers have taken the more radical step of announcing plans to migrate to Siemens NX instead of dealing with the complex transformation of their data-management systems required by V6. Such customers include Daimler Corporation, Chrysler Corporation, and Huntington-Ingalls’ Newport News Shipbuilding division. H-I’s Ingalls division in Pascagoula, Mississippi announced plans to move from V5 to a combination of AutoCAD and ShipConstructor, an AutoCAD application.”

OK, this is a big deal. If you can’t utilize past creations in an effective trouble-free manner in this new and improved way you are being asked to pay for what does that say about contempt for your time and money? I don’t have any trouble opening up files that are 8 years old from VX CADCAM in Solid Edge. The only problem I have had in opening files from anyone from any program has been that hole data does not come through RE threads. The rest is there. I can’t say how this would work with Catia because I have never had a file from them. (does this mean that no one uses Catia??? har-de-har-har).

If you can’t reliably open files from others exactly where does that leave you since oddly enough you will at times get files from others.

Just how does your software play with others anyway? How does it even play with itself? Now it would be nice if I could stay on one version and it could save forward to future versions. I don’t expect that nor should it be possible without crippling future advancements. But I do fully expect that my software should be able to open reliably past versions of itself. I have been told NX for example opens up NX stuff from way back in the 90’s reliably. SE will reliably open up prior SE stuff  back to V6 or 1998. What you do today does not become obsolete here. I think it is safe to say that it will be this way for a long time since Siemens/UGS owns the proven kernal they have been using and have no need to change. Now I know a lot of this article from Randall touches on PDM PLM stuff and all I can say is that these big wins by Siemens were because Siemens set it’s software up to play well with everyone else AND deal with legacy files to.

Now remember SW users, where you are headed is to “Catia Lite” and so those Catia problems will of course become yours to I would think.

“called coexistence, the method of sharing data among three Catia versions turned out to be more complex than expected. Hull devoted most of his talk to the subtleties of doing so. Hull takes exception to Etienne Droit’s claim that importing V5 data into V6 is “a piece of cake.” “I’d accept that if he’d said fruitcake,” Hull quipped. “There are hard, chewy bits in the middle.”   Coexistence actually involves migrating all V4 and V5 data to Enovia V6 with all the attendant errors listed below. The difference is that coexisting data is treated as a copy whose master is a V4 or V5 model in an older PDM system. So if a coexisting model needs to be changed, the change must be made in the legacy Catia system. However, V6 lacks implicit controls to prevent users from changing coexisting data. Consequently, system managers must make sure that V6 users don’t have permission to change V5 models. Setting up these permissions for a bulk data transfer requires writing business-process scripts and debugging them.   Simple feature-based V5 parts may slip easily into V6, although the process involves “ripping each file apart,” in Hull’s words, to store its components as V6 objects. But parts with embedded Visual Basic scripts can have syntax errors. Sheet-metal parts may lose their design-table column headers. Electrical parts may suffer unspecified errors, and parts in some assemblies may be missing.   Moving V4 files to V6 also can be troublesome, Hull said. Assembly constraints may not translate perfectly, and V4 mockup data also causes problems.

Neither Bell nor Cessna has yet grappled with how to share data with suppliers who use file-based CAD software from Dassault Systèmes or other vendors. Dassault announced recently that Catia V6 R2012x will be able to exchange data bi-directionally with an upcoming release of V5 dubbed V5-6R2012x.”

Now for SW users add in kernal change, GUI change, translation problems and a big fat question mark behind the can you use your legacy data comment. I think Airbus if I may be so bold can certainly talk about electrical parts and Cat4-5 translation problems.

I read stuff like this and I wonder at what will happen to those who are willfully unaware of the future. You have to plan for it I think and these Dassault self-induced problems you users are going to have to pay for both in fees for the software and especially in problems in its excecution are going to be onerous ones to bear and will last for years. Research these things I am talking about and don’t just take my word for it.  Dassault has spent four years of their SW subs money to do things they wanted and not give a flip about their users and I expect at this rate this will go on for easily another four years providing GREAT value for subs money both today and in the future.

Or on the other hand I am sure that Lemmings were comfortable in following their peers until that last step over the cliff. All I am saying here is that you really need to dig into the facts,data and history available and not be complacent about the tools you use. There is danger and a cliff on the horizon for those who don’t care. Yes maybe your contacts use it today. Is that not the same thing ProE users and Authors used to say?

Solid Edge Productivity Summits and User Groups.

This is the year for major everything with SE from CAM integration to powerful improvements in geometry creation to the long-awaited creation of a viable SE user community. It is all coming together this year and today my focus is on the user community. The Summits this year are as follows.

 

 

 

The agenda is

 

 

 

These are open to ANYONE who wishes to attend. Customer, student, just want to kick the tires, teachers interested in good design software or anyone else for any reason you are welcome and encouraged to see what we users and Siemens are utilizing to make a living . The sign up link is http://am.siemensplmevents.com/?elqPURLPage=3363

 

 

THE ESTABLISHMENT OF THE USER COMMUNITY BEGINS

It is worthwhile to take a few minutes here to explain another important thing happening in conjunction with the Summits. Today Karsten Newbury and Don Cooper had a conference call with some of us and the purpose is to organise a real and concerted push to establish another historically missing aspect from the Solid Edge world and that is user community.  As an aside here I would imagine that if you are reading this you already have more than a casual interest in CAD and you get the value of a robust user community. What you probably did not understand along with many  SE users was why SE had limped along with nothing in this area for so many years and why this was not important to SE/UGS et al. But back to the meeting.

The groundwork was laid today to correct this and it is the intent of everyone involved from the very top of SE to the users in the trenches like myself to go and start a user group network which will have as its nexus initially groups formed where ever the Summits are held. There will be others to and if you are a Solid Edge user and wish to start a group closer to where you are geographically I want to tell you that all you have to do is make the request and be willing to help organize and run a group and you WILL have significant help to do so. If you are an  SE user this would be a very good time for you to consider getting involved in helping to create a network that will benefit you professionally in many ways in the years to come.

I want to make clear that this is for SE users to be run by SE users with the more than willing help from Siemens and VARs and SE. The purpose here is to create a network of users for our benefit. Karsten and Don understand that a group that benefits users will also will benefit SE in the long run and  the interests of both are not exclusive of each other. These are not sales meetings and I think that anyone who attempts to turn one of these fledgling groups into one will never be invited back.

Do I need to explain the benefits of a user network whereby close at hand your peers are available to help you with the program, your career, potential work, referrals and just plain old camaraderie with those who have a common interest? I didn’t think so.

OK all you users who have wanted a place to be now is the time. Right straight from the top today we have been promised by Karsten and Don that all you need to make it work will be there if YOU will be there.

 

Surfcam V6 and the sorry NEVERENDING saga of UNDO

OK Guys, meaning you Surfcam code writers and owners and whomever is in charge of determining what is done. I have a super big bone to pick with you.

I am seriously looking into Surfcam again for the first time in years. My first choice for CAM would be whatever is integrated with SolidEdge assuming it is a good program. I have not had a chance to see this yet so I am hedging my bets by looking into other CAM programs to. I am going to end up getting what makes sense for my company afterall.

So I bring in a part thinking I will just rotate it 180 degrees around the X axis and then in Y and Z so I can reset the zero on the block to cut the bottom. This is in the demo version by the way. In rapid order I come to the conclusion that there is basically no improvement for this type of work here since  version 2002.5 and that the only rational way to deal with this is to just create a new part in Solid Edge and bring it in positioned correctly for use.

Now on the way past this quaint bit of refusal from Surfcam to modernise I am reaqquainted with something whose truly and profoundly irritating qualities I had forgotten about. I remember the lack of this but had just forgotten how darned irritating it is to not have UNDO. No UNDO. UNDO does not exist here. The world leader in NO UNDO and only software in existence that does not have UNDO!!! I thought about adding a few more UNDOs in here but you all get my point by now I am sure.

I can’t even begin to tell you how disgusted I am that this part I bring in when the inevitable mistakes or learning glitches occur my only solution is to delete the part and start over because I CAN’T UNDO. WHY CAN’T I UNDO AFTER OVER TEN YEARS SINCE THE FIRST TIME I USED SURFCAM! ARE YOU GUYS DAFT!!

I am sitting here and thinking hard about the wisdom of the quotes I have asked for with Surfcam. Is it worth it to get onboard at the most minimal level possible so I can Use my Faroarm again? Your policy of allowing me to get back on board for a reasonable price will probably see me do so. I liked what I saw in many ways earlier this month. BUT this undo thing in and of itself may well be enough to preclude me getting anything like three and four axis stuff from you.

I am simply not going to inflict upon myself the stupidity of having to start over on a part because you guys made a bad decision to not include UNDO well over ten YEARS ago and now are too shortsighted to remediate this problem by fixing it. How myopic can you be to say that this will cause too much trouble with legacy problems and so we are not going to fix it. So now you will keep heaping more and more legacy things to eventually have to be fixed on top of this bad situation. You do know that if you intend to take advantage of opportunity in the CAM world for new sales that you are going to have to fix some big old problems you have been hanging onto don’t you?

Well let me reconsider that statement. You guys don’t have to fix a thing based on past actions do you. This truly epic effort to avoid advancing into the unknown world of UNDO can go on and it does show consistency and direction that can be anticipated and planned for. Why there are such good things with Surfcam in the tool libraries and  tool paths and with the Faroarm and then these really egregious bits of  past dumb decisions that never go away is beyond me. I would bet you that lack of undo if it was on a survey list sent to customers would be right at the top.

Lack of UNDO is enough by itself for me to seriously reconsider buying into Surfcam at this time above the barest minimum level needed for my Faroarm.