Tag Archives: Volumill

Solid Edge Free For New Startup Companies

One of the things I figured that Autodesk would force on the market place is a change in how people were exposed to software. Solid Edge has had a 45 day trial for SE now for some time. However we all know that up to a half a year is more like it to really really find out if a software design program is a good and the right fit for a company in many cases. I think there are exceptions to that at times. Direct editing was such for me years ago when I first saw it in action. A whole new world of freedom from parametric chains was there before my eyes and it took about a half an hour to make the choice for SE.

As a sole proprietor though and the guy who was responsible for it all I could make that choice. For many companies it is not so simple.

I have always advocated for outfits with multiple seats  to get a power user on to SE and see what it could do while leaving the rest of the design department to remain on the primary program. Sadly I have also had to recommend this to companies who have SE but do not model in Synchronous. The very idea that such a powerful tool exists for customers and most blithely ignore it has been a pet peeve for some time.

One of the truly forward-looking things Autodesk has done is making software available to startups and students for free. A whole army of present and future trained users is being created and a ton of startup companies are being accustomed to the usage of Autodesk products because of this. Yes I believe as does Autodesk this will create more market share for them over time.

You don’t think this is important? Have you read the history of Solid Works? Have you ever tried to get an SW user to switch to something else? SW did not have to offer free because at the time they were the first kid on the block to do outreach and community well and had a cutting edge product to boot. Times have changed and now it takes more.

Autodesk has been working on all aspects of this with students and startups and community in the only way left in today’s market which is free to try.

Solid Edge Free to New Start-Up Companies

 

Solid Edge the best software you hardly ever heard of is now entering into this area although you would never know it based on the buffoons in Marketing and Publicity over there. Announced at the SEU2016 convention and subsequently followed up with nothing.

While there are restrictions and some one year time frames you can try it for a year under certain circumstances. I wish they had made the trials as all-encompassing as Autodesk has done but since they haven’t I am pleased they are at least doing this much.

Solid Edge is much better than Inventor in my opinion. It is also better than SW except in some complex modeling areas. Their sheet metal is the best and so is direct editing both of which are mid range MCAD leaders in todays CAD world. Also and very important. My favorite hate it topics are cloud and forced subscription design (and machining) software. SE suffers from neither of these great big no-no’s. With the demise of permanent seats for Inventor Pro HSM this is a critical plus for SE.

It’s just a shame that CAMWorks for SE turned out to be such a dog and expensive to boot. This is the real fly in the oinyment with SE right now and it will cost you $$$ to get started and for SE Classic and CW4SE 3 axis mill and Volumill and 2 axis lathe your cost per year would be more than the subscription fee for Inventor Pro HSM. You can subscribe to SE by the way but not CW4SE as far as I know. I don’t talk much about SE subs because I would never do it and don’t recommend you do it either. You need to OWN it.

Yes you would have a permanent seat and could step off at any time as I have done and still work for years. But you add up the appx $20,000.00 to get the above package, assuming no discount that is the price by the way, and yearly fees more than the whole subs shooting match from Inv Pro HSM and it is another story.

This is another area where Autodesk will make its presence felt with other companies soon in another way. What is the cost of ownership + yearly costs? If you are committed to renewing each year anyway and you can stomach Inventor the subscription model at Autodesk is much cheaper and has that Lovely HSM attached to it. SE has that dog barker CW4SE and much higher total costs to use.

How much value new companies or companies considering changing software will place on the security of permanent seats VS startup and continuing costs remains to be seen.  For existing users of other software Autodesks subs model is not a good deal for sure since the heavy expenses have already been spent. It costs these guys no more or little more to continue with their permanent licenses compared to Autodesks subs and who would be crazy enough to jettison their permanent seats in this case?

I believe though that as Fusion 360 becomes better, and it will, the cost there of $1,500.00 per year for CAD and CAM everything will force the rest of the market to drop prices considerably or be resigned to losing market share until they become in many areas irrelevant. I intend to find out later this year for myself and what I have been told is that Fusion360 is much closer to the way I am used to working in SE than Inventor is.

At the very least and under limited conditions SE is taking a swing at the plate and if you are shopping they deserve your consideration. They are the best mid range MCAD modeller for my world and may well be for yours to. While I am not a current customer of SE it is the only program I use for modeling and I fully recommend it.

Autodesk And Their People

This post is going to reflect upon the people I have met in direct employ by CAD and CAM authoring companies who support, write code or manage the outfit. But first some history of where I have been and my experiences. Also keep in mind while Autodesk has a huge range of software offerings my only concern and where my comments are directed to is metal cutting.

My very first bit of software was Surfcam’s 2D Free. A short-lived program for me since right after I got it Surfcam ended it and it became a $4,500.00 buy it to use it cost for basic mill and lathe which I did. In came a fellow by the name of Earl Thornton who was selling VX which was a design and machining all in one program around 2005 or so. The problem was now you have a CNC machine and a CAM program how do you feed the CAM program. Why with CAD of course and to me 3D and working off of shapes made immediate sense. Lots of 2D CAD shops at that time and this shop never entertained the idea of running CAM with 2D.

With the exception of Earl the rest of the VX CADCAM employees were unknowns to me to be able to know what they did as hobbies or for personal entertainment. Earl was good and today has moved on to Powermill at a company that makes auto floor mat molds with endmills so small at times I don’t see how they make them. Earl always had real life practical experience from the first time we met on.

Next got involved with involved with Solid Edge which became my design program of choice from the initial release of ST1 up until this very day where I quite happily use ST8 and intend to do so for some time.

The Solid Edge people were ones that did become familiar to me and it was surprising how many had actually been there since Intergraph days. They were passionate about what they did. Many of them, especially the programmers I met had hobbies on the side. What I saw though was primarily their CAD work done on their own time because they were fascinated with using it. Don’t recall any of them who were machinists though.

One day while running a user group meeting in Huntsville  and Solid Edge and two Var’s who were good at door prizes were also there. Never forgot that as Jeff Walker was handing out prizes I won a Starrett caliper. Turned it down since door prizes needed to go to attendees. His comment was as he handed it out was that I was probably the only one there that knew how to use them.

I also remember things like Dan Staples who was really good at running and developing design software but lived there with tunnel vision. One day I ran into him in Huntsville where he made a derogatory comment about “my” Karsten Newbury basically interfering with the orderly progression of SE. At the time I had been pushing for integrated CAM software with the idea that unless you had an actual manufacturing solution you were just a part of the puzzle. And after all CAD was created solely to feed CAM in the aircraft industry.

Still believe to this day that design software in and of its own is useless stuff until something is made from it. Yes the only real true purpose and end goal of design is to produce something and if that does not happen it is purely an academic endeavor. The focus from Dan on down was in many ways CAD-centric and it was a fight to change that attitude. Karsten Newbury, tip of the hat to him and Don Cooper, both understood the idea of manufacturing. Neither of them work there now and back into obscurity SE goes.

CAMWorks which was the next major bit of software  bought and it was a nightmare. The only one I met from Geometric who was really good was Mark Bissel. He had actual machining time and got it. I was there to see him argue about common sense workflow things with CAMWorks leadership only to be shot down every time. The rest of the CAMWorks people met were part of the problem. I swear cubical CAM software developers who have never cut metal or observed in person the end results of their programming are the bane of a machinists day and the backbone of Geometric’s CAM programmer base. Woe unto you who enter into the world of CAM software where those who author it don’t use it and the company does not own a single piece of equipment to test what they created on. And then add to that ignore you if they possibly can when you come to them with show stopping problems.

Such was the case of CAMWorks almost all the time I was involved in it. We, that is the users, were the problem for why CW did not work right. WE never followed proper modeling procedures and so WE were the reason for our tales of woe. Of course proper modeling was laughable with Solid Edge ST since any way you got there was OK but that statement became CAMWorks end all be all defense against angry customers for some time.

By the way as an aside here. I had current seats of Volumill inside of CW4SE and HSM at the same time a little over a year ago. At that time with same feeds and speeds and machine and material and end mills Volumill never won against Adaptive clearing. Most of the time it lost by a significant margin and at best came merely close to Adaptive. HSM 3D Adaptive is today’s premier high speed machining tool path generator and if you doubt it try it for yourself. Seeing makes a believer out of you. There is no comparison favorable to CW in regards to ease of use either.

Now all this has been a lot of verbiage to get to this point but I want no doubt in anyone’s mind the process and experience traveled through before getting on board with Autodesk because of HSM.

What a breath of fresh air HSM was. In fact it was my original recommendation for integration with Solid Edge https://solidedging.wordpress.com/2012/03/30/solidworks-and-hsm-works-and-why-not-hsm-edge/ until Autodesk screwed that one up. With Intuitive and simple to use and tons of behind the scenes logic built into the program that just worked for all my 3axis milling no matter what the part complexity. Lathe was and is pretty crude compared to other programs but still does the basic things my shop needs. This shops requirements are pretty simple compared to mill turn or four and five or more axis parts. In other words this shop probably represents 80%+ of the job shop metal cutting market. There you go, a number I just created with no way of verifying it but that seems to be the way it is in the shops around here.

Over the two past years where I have become privy to behind the scenes decisions and the people involved in making them at Autodesk and HSM it has been a complete eye opener into what a true manufacturing ecosphere entails. It’s primary requirement is the involvement of those both in charge and as coders and support in actually producing things with the software. Yes I mean with their own hands.

I think I can talk about this little story. If you were with HSM and Carl Bass wanted to meet with you to buy you out what do you think would be his first question to you? Well whatever you think it should have been what it became was a question on HSM 5 axis posts. As it turns out Carl runs and programs himself. I think he picked HSM as Autodesk’s first CAM acquisition based upon personal knowledge of the product and I bet he had a seat and had used it himself on his own equipment. I do not know of any other major corporate software honcho who has his perspective on manufacturing based upon personal hands on experience  to truly understand our maker problems.

Hearing about Carl as a story was great but the advisory meeting was an entirely different animal. Sitting in a room with perhaps sixty or so individuals as we introduced ourselves and what exactly we did I was amazed. Amazed at how many actual Autodesk employees involved in Fusion360 and HSM had desk top or Tormach or metal-cutting something residing in their homes and garages. I thought to myself as people spoke up how unbelievably high was the percentage of Autodesk dudes who were real-time metal cutters.

The talk about Pier 9 and what was coming up. Bass himself has enough CNC equipment to be his own personal test lab and now they have the Pier to add to it. More capabilities coming and testing for how it all works and works with various tools to better refine the CAM programs is ongoing and continuous as far as I can tell.

Yeah that’s right. Gobs of these guys USE what they are a part of creating.

Here is a prime example of what I had run into before HSM with CAMWorks for example. They sent one of their support guys to my shop to cut parts using SE and CW4SE on my brand new VF4 to have video for the upcoming SEU. The first picture I call “Why Carve When You Can Trench”. Their guy shoved a Helical endmill at rapid speeds right through the work piece. Before I could hit the big red button it had flown through four cuts and how it survived is a mystery to me.why-rough-when-you-can-trench

The second one is the famous CW demo car and represents the best finish he came up with before we quit trying. Keep in mind I am watching all this and stunned by what Geometric sent to my shop as expert talent to create video for a new product launch  The third represents his best finish on one of CAMWorks timeless never changed demo models. It took two plus DAYS before I told him we were going to do it my way primarily with a bull nose end mill and not a ball end mill. This was his best finish and of course the bull nose was far superior to the experts ball nose choice. I have kept these pictures because this whole experience was surreal and little did I know at the time indicative of what would also be my future experiences with these clowns.

Attention all you software authoring companies. Don’t make customers who hate you because of how you treat them. They will never forget.

carglasses-gouges-floor-and-top-general-yuck-finish

In contrast all the guys I have met with HSM are sharp. They were I am quite certain fully vetted by people who knew what they were looking at before they were hired. I have never had bad advice. As a matter of fact the only two bad experiences I have had since I have been on board with Autodesk HSM is the garbage support model from Hagerman   (Moving to Selway will solve the support problems and if you cut chips for a living and use HSM or Fusion I recommend you check them or Nexgen out. Selway in particular sells CNC machines and machining software and they get it.) and the advent of subscription only for new customers. (Sorry guys I could have said Inventor HSM Pro but I love HSM and not Inventor which it is attached to.) It has also taken time to get on the ball with some long-term shortfalls but I believe they know what they are and have and are hiring people to fix these problems.

Even Delcam was a disappointment to me. I looked at Featurecam before Delcam was bought out by Autodesk and sad to say the local rep could not do 3axis parts. His comment was they had not trained him yet to do so. My thought was you work on any sort of commission you better darned well learn what you are TRYING to sell.

Of them all in my own personal experience only the Autodesk, HSM and Fusion people have really impressed me as being knowledgeable and hands on with the end goal of a machine shop owner. To make parts and more money per part at the end of the day.

 

True Cost To Start CAMWorks for SE VS Inventor Pro HSM

Working on parts today and I got an email that jogged my attention away from parts to costs. Mainly costs of ownership. What began this was some more subscription nonsense for CAD CAM I was reading. Of course I hope by now anyone who reads my blog knows I think subscriptions have their place as a way to extend your trial period or to give you an extra bit of muscle when work flows can’t quite be covered by your permanent seats.

Other than that though subscriptions are about as honest towards customers as those satellite TV vendors. They rope you in with cheap prices and then it all goes downhill from there. Look people if you are at all considering getting Inventor HSM of any flavor you have until the end of this month to do so. After that if the CPA minded crooks have their way permanently you are screwed. Truth in plain English. All benefits in time will accrue to the software company and your expenses over time WILL be more than permanent seats. Plus all the other bad things I have covered over the years. I cannot overstate your peril in going subs only as a business model.

However the other part of the price equation today was my pondering over just how much it can cost to get started and thinking of course of CAMWorks for Solid Edge which I left last year and Inventor Pro HSM which I just renewed for my second year. A simple summation of first year expenses below. It assumes you are paying retail without some secret deal you have worked out.

CW4SE
Solid Edge Classic is around $6,800.00 and is $1,500.00 per year for maintenance.
CAMWorks for the level I had which was Trumill 3 axis, 3 axis mill and lathe was around $13,000.00 if I remember right. Plus posts if you were foolish enough to not make that a condition of purchase. A lathe post was offered to me at $500.00. Maintenance for this was right at $2,500.00. No I don’t have the exact pennies but I am not going to bother looking up old invoices this is close enough and you can easily verify by getting a quote. $23,800.00 more or less. Way below what the top levels of SE and especially CW4SE would run you by the way.

Inventor Pro HSM permanent seat and one years maintenance is $11,500.00 full tilt retail. Posts are free. Everything Inventor has and everything HSM has.

This brings us to another category of up front expenses. What will it cost to A, set up the infrastructure of the program itself to function as the sales demos say it should when sold to you and B, what type of effort is needed to train users.

Using the average cost of a CNC programmer from http://www.payscale.com/research/US/Skill=CAD%2fCAM/Hourly_Rate we have $22.18 as a median for a programmer. Using a post on the CAMWorks site where a company claimed to have mostly worked out how to make the Feature Recognition and Tech Data Base work and their numbers we have the following. 12 weeks effort by two people x 40hrs per week I would guess is 960 hours x median wages is a total of $21,292.00 There is in addition to this a very nebulous expense in training a new user to use this complicated program. You put the number in here by thinking of your past experience and add this to the below totals. CAMWorks is complicated both to implement and learn. I have spent half days here just trying to get one tool path to work right and it is a nightmare that never seems to end.

HSM on the other hand requires nothing to make it work out of the box. If you were to make your basic tool library once you learned how you might spend half a day to get well over a hundred tools with speeds and feeds in there. I typically spend about a half hour for the 19 tools in my carousel and set them up for each job. Over time you might implement templates but since these are based upon a known successful CAM plan it takes just minutes to do this each time. Training for HSM would be a week to really get a lot under your belt and you could do 3 axis mill and simple lathe by then. Enough that you could be cut loose to work even though you would still have some questions.

Using the costs an SE user would incur with the above levels the initial costs software and maintenance would be $23,800.00 for the first year and using the cost from the above paragraph as a setup to run CW4SE add $21,292.80 and understand you still are not done. Also understand that this will be an annual recurring cost to some degree as Geometric often will change the guts of the program and you will have to re-do your data to match. I can easily see the above company having an expense of $45,092.00 dollars in their first year of ownership if they had elected to dedicate the man hours to set up the Tech Data Base at that time. It took them a while to realize that CAMWorks will never be mostly right until you jump this hurdle so they incurred this expense after the first year. But the numbers don’t lie and the numbers also don’t account for what level above what I had they have. You add five axis and turn mill and I suspect CW4SE sails WAY past $20,000.00 and now your yearly fees will be at least $4,000.00.

At $11,500.00 for design and machining I think it is foolish to entertain any idea of subscriptions for critical core software use. At $45,000.00 which is such a monumentally ludicrous number I would be compelled to hold my nose and be a subscription cotton picker. I guess part of what I am saying here is look at all the costs and not just what the sales guy fools you into believing. If you are in the market investigate and talk to current or past customers about what their true expenses and headaches were to get going efficiently.

If I was going to just put a match to my money I would rather do it on a riverboat Casino than do it to my shops bottom line.

CAMWorks CW4SE Stress Relieved Profit Center Completed

Made the decision Saturday morning to remove all vestiges of past woes from my life. CAMWorks for Solid Edge has been completely removed and will not be re-installed. Sorry for those of you who were interested in me doing direct comparisons between Volumill and HSM Adaptive but HSM has won every contest so far and I don’t see the point in scraping old wounds open again by inflicting CW4SE upon myself to help you out. Do it yourself if you wish.

It is time for a status report on CW4SE and CAMWorks and HSM. CW4SE and CAMWorks still have strategies for turning and wire and laser cutting that HSM does not have. In truth there are more capabilities with CAMWorks than with HSM. How good they are I don’t know as I only cut parts in milling. I had lathe but if you have followed my story you know Geometric never provided a post for what I had paid for. Never trust Geometric to do what they promise and get everything in writing so you can force Geometric and your VAR to live up to what they said. HSM is in use at a shop close by. They have a lathe with a live axis and do not use HSM for turning. They swear by HSM for milling as I do but use their old seat of OneCNC for turning. Burning and wire and worthwhile turning are still yet to come for HSM but I believe that these are on the way. In the mean time on the SW side of HSM there is grumbling about how long some promises have lingered undone and the Inventor side wants what the SW side has already. On the big plus side for CAMWorks if you can get it to function right is permanent seats now and for the forseeable future to new customers. On the big negative side for HSM is the end of permanent seats coming up within a few months. This is a big deal as far as I am concerned and If I was not the possessor of a permanent seat now I would make darned sure I was before the deadline. You don’t want to make your business’s core functions rely on anyone for pay to play for a ton of reasons.

There is not one single CAM program out there that does not have shortcomings.Some are really serious and pervasive others are irritating. Being a relative Newby to Inventor HSM I have not yet learned to get mad over promises not kept because I came here knowing it was a work in progress. These guys have had a lot on their plate as the integration with Inventor and stuff going on with Fusion and Delcam products has made their days very complex. But I see progress and I believe they will deliver and what is there simply works well and without any big problems. Of course I can remember the halcyon days of CW4SE and smile today at how easy life has become. The HSM guys are closed mouthed about what is coming. From what I see though the indications from various places tells me we are right around the corner from a lot of good changes. In the mean time I make more money per hour and spend less to get the program that does so compared to CW4SE. Fieldweld is a CW4SE free stress relieved profit enhanced job shop now and this is good.

There is a huge philosophical difference between Geometric and HSM too and it is worthy to note it one last time. I know some of the guys at HSM now and they are dead serious about their product and making it right. I have known some of them for years prior to becoming an actual user and their stance on HSM has never varied. Sometimes things go slower than we all wish but they have serious intent and desire to make HSM the very best. HSM Adapative is right now the single best high-speed machining program out there. I base my statement on real life research between current versions of Volumill and Adaptive and Volumill has never won. Compared to Geometric and CAMWorks where they have been around a lot longer and have perfected the arts of stonewalling customer solutions and misrepresenting their products and had to hire an external source for high-speed machining. With intent to save money while charging more and to see just how much they can get away with not doing. Geometric is run by short-sighted individuals whose sole desire in life is to charge as much as they can and spend as little as they can to do it. Your profits and efficiencies are not of great concern to them.

Sometimes going to the Geometric CAMWorks site is funny and at other times seriously aggravating. Since I don’t have to rely on them for anything now it is mostly funny now and then sometimes puzzling. Puzzling because I just don’t understand how a concept that could be so good if implemented right is buried by a company that has no desire and or no technical ability to see it succeed. The Tech Data base is a case in point and the complaints and problems predate Geometrics purchase of ProCam now CAMWorks. To add to it from what I gather reading the SW guys complaints there are changes that take the broken TDB which yields daily problems anyway that are added to with new versions. New versions that apparently require you re-do your TDB once again. And again and again and again. This is not trivial and is terribly time-consuming. It is the basis for which the program is supposed to work from and it fails all the time. You can’t read these things unless you have permission to access the closed forums for a reason. They do not want potential customers to read this stuff.

Going to the Recent Topics post section 10-3-15 shows 17 posts the last two months for CAMWorks. Three are Tech Data Base related and seven are post problems. Geometrics web site is particularly amusing today regarding the posts on the forum.Wonderfull post promise

“Complete Post Processor Support” as a claim by Geometric has such a tenuous relationship to the truth that the kindest thing I could label it would be willful misrepresentation of customer reality. What else can you call what I am showing here today? 41% of the last two months posts are post processor problems where users struggle to help each other on what should be a mature product. Where not one time do you see anyone from Geometric show up and help. Part of the “Complete Post Processor Support” claim made in the splash page I suppose. Geometric has no shame where outright misrepresentations of their products are concerned and will tell you whoppers all day long to get into your cash. Go to http://camforum.autodesk.com/ and see what real support looks like for post processors which are free and support which is real and free. Geometric makes the claim but Autodesk HSM of the two is the only one who lives up to it. Check out the last few months and see for yourself.CAMWorks  forum 1

CAMWorks forum posts 2

CAMWorks forum posts 3

Here is a resounding endorsement of Geometric’s commitment to customers. Regarding CW4SE and Solid Edge they were given the chance to be the first true integrated CAM program with SE. Unknown to the SE guys myself included we had no idea that Geometric had such a terrible philosophy towards delivering a capable qualified product. The failure here is partly to blame I believe on the Siemens UGS kill the SE red headed stepchild group who had no desire to see things work well but based upon the sorry track record with SW I have to believe the majority of the issues are solely due to Geometric’s disdain for customers. Lets have a look at the SE CW4SE forum shall we.Solid Edge CW4SE forum 10-3-15

Clearly there are numerous happy customers here. Don’t you wish you could be one to?

For a shop that cuts parts for a living what you choose can make you or break you. If a Geometric sales rep or VAR shows up the best thing you can do is say show me from A to Z how to set up the TDB on my complex parts and assembly part I am providing you now and not ahead of time. Show me how to then cut the part and don’t you make it a simple one either. Demand in writing a working to YOUR satisfaction post processor for every machine you own and intend to use with CAMWorks and the functions they want to sell you prior to your maintenance time beginning. Load the trial on my workstation and do this TDB work here and show me the proof in MY environment. Then see a real life rendition of a fish out of water gasping for air as the sales dude hits the door protesting your unreasonable demands.

If the HSM dudes show up expect to cut parts and be happy with the caveat of course that there are some capabilities like wire and laser missing. If you need these today you will have to go elsewhere.

Fine Tune Your HSM Adaptive Clearing Results

The whole rationale behind high-speed machining is to remove more cubic inches of material per hour and per endmill or insert. I still watch in awe over what can be done and remembering how it used to be when you had to slow down everything so you would not kill your end mill as you buried it in a step over or corner. There are various flavors of high-speed machining programs out there but they all have one thing in common. Vibration control is essential.

One of the first steps is to have the correct tool holding and while heat shrink is supposed to be the best most of us will never know. It is to darned expensive to set up for and most of us will never need that last tenth accuracy in our life times nor do we have the metrology lab required for this accuracy. The second best and much more affordable option is hydraulic tool holders. Personally I use Schunk Tendo hydraulic holders and right now they are running around $250.00 from my favorite supplier Technology Sales in Chattanooga TN for the .75″ CAT40 holder. The sleeves will run another $80.00 each. The sleeves come in slotted for TSC that will allow for six “sprays” of coolant to be directed straight down into the cut for tooling that does not have coolant holes and unslotted that will allow you to use through tool TSC. The Schunks are very concentric (.003mm claimed runout at 2.5″ on their web site) and also have never in my experience suffered from cutter pullout and I sure can’t say the same for collets and set screw clamp holders which HAVE ruined some of my days. So the first step is to have reliable and capable tool holding. Concentric pullout proof tool holding is essential to your tool life and cut quality in high-speed machining. If you do not take care of this first you can just ignore the rest of this article since your maximum potential will never be achieved unless all the puzzle pieces are put in place.

Have you ever started a cut and found yourself scrambling for the feeds and speeds over ride? Sure you have and we all know the tooth jarring squeal of impending end mill doom. As far as I know there are only two methods to fight this. One is to just fiddle at the controls while cutting until we find the place that sounds and looks good and generally that is where we stay. I dare say this is how most places do it. The second way is to embark on a rational method to fine tuning your specific mill and cutter combination for best results.

Autodesk has a spindle vibration analysis tool that goes on the spindle and analyses during the cut and for all that cut paths conditions. It also costs over 10g. There is another way that any of us can do though and all it takes is chunks of metal and some time. The following link will take you to a PDF well worth downloading and the two screen captures are from this.
http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=0CCYQFjAB&url=http%3A%2F%2Fm.plm.automation.siemens.com%2Fen_us%2FImages%2FMMS-HSM-Oct05-17050hires_tcm1224-4241.pdf&ei=1RdiVcD_BoeyggT8_4DQAw&usg=AFQjCNHsI9TfE-5ynJtSg-M4bXol2gazlQ&bvm=bv.93990622,d.eXY (Yes I know the link is long but looking at link renaming tools always seemed to end up with junk so I just posted the real one. Any worthwhile suggestions and I am all ears as long as it is not a click for profit deal.) Here are two screen captures from the PDF that will show you a graphic example of why one should do this.

Block with cut paths

feeds and speeds breakdown

Every mill has a unique vibration characteristic based upon the actual machine variances and it’s environment like the floor stability. My Haas VF4 will be a bit different from yours and the same is true for those whiz-bang 300,000.00 dollar jobs too some people are so proud of. As a matter of fact UGS did this study and they deal in high dollar production and high dollar equipment where getting that last little bit of quality and speed makes a big difference. Speaking of Modern Machine Shop by the way here is a link http://www.mmsonline.com/articles/chatter-control-for-the-rest-of-us that will take you to a page with other vibration control articles.

Do yourself and your shop a favor and have a look at this idea. It is in most cases the last piece of the puzzle to be implemented and in many cases is never even considered.

Humorous update. I was looking for Helical brand end mills on EBay and these turned up. From the Buonshopping EBAY purveyor of fine goods in Hong Kong we have these fine tools. I went to see just what the end mill feedbacks had to say and much to my amusement the first few (I looked no further) had gobs of smiley faces and bad spelling har-de-har-har.

Hong Kong helical end mill

Buonshopping purveyor of fine goods

Cutting a Basic Part in Inventor HSM Pro 2015

A few posts back I mentioned delving into tool libraries with Inventor HSM. I decided to do a complete part instead as it has been my experience that so much of the YouTube video seems to cater to five-minute bites of time. You can hardly do much in that time frame so here is a complete part and yes, it exceeds five minutes ;-).

This is a basic walk through from zero setting to tool library creation and editing to a finished part and simulation. It is a complete part walk through and not just snippets of various aspects of CAM plan creation. This video is a basic demonstration of why I like HSM so much. Quick and easy tool library creation to tool paths and an interface that just works. Without bells and whistles and un-needed complications that things like Tech Data Bases and Feature Recognition can bring to the table and so often do.

I am a typical small job shop. Well can I say very small at one man? I have used Surfcam, CAMWorks for Solid Edge and VX now ZW3D prior to my arrival to HSM and I will say HSM beats these guys hands down.

What first drew my attention to HSM was a nearby shop that was a real pressure cooker deal with lots of small parts runs that had to be out the door fast. I know these guys and the work they do and I could hardly ignore the proof before my eyes. Their experience was mostly with Mastercam and OneCNC before HSM. I remember going over there one day as they were cutting a formed support back board for some medical group. 3D all the way out of plastic and the gouging with OneCNC at the high speeds needed to cut this part in reasonable time were driving them nuts. OneCNC never did get a post right for them on their Haas VF5 that would not gouge. Desperation led them to try HSMWorks and the rest is history. They have been there for about five years now and have no intention of leaving. They also went through the Autodesk buyout and the ensuing trepidation that brought to HSMWorks users. The way they were treated was also another serious plus for HSM in my eyes. Autodesk has lived up to every promise they made these guys and two years later I think we can safely say the words spoken by Autodesk to treat their newly bought customers right has been followed with proof as manifested in this shop.

They regard HSM as having sophisticated algorithms but a simple intuitive interface that produced great tool paths quickly and easily. I can only say I fully agree. As a bonus it has been my experience that with Adaptive Clearing I now had a high-speed machining capability that beats the current Volumill capabilities and I have current versions of both to play with. In side by side comparisons with same parts, mill and end mills the ease of creating tool paths and the always but sometimes dramatically fewer total inches of travel and thus better cut time HSM was a clear winner. I was pretty surprised about that aspect considering the reputation Volumill has. But like they say the proof is in the pudding and when you can cut parts more easily and quicker it is what it is.

Here is the video. As always I do not represent myself as an expert. I am a shop owner who will rise in ability to the level of parts I accept for work in my shop. These are the strategies I have adopted for better or worse and I encourage HSM users to step in here with better ideas for us all to profit by. Part of my reason for having a blog is the help I have received from those who are better than me who graciously have shared their time with me. The other part is for potential users to see what a real user does and not have to wade through some sales guys canned demo rigmarole.

Adaptive Clearing, The Secret Weapon of Autodesk HSMWorks and Inventor HSM

Well it is not really a secret for those of us who use it but for everyone else I am sure there is a lot they don’t know. In my last post I talked about the idea of software quality control. In that train of thought there were some pretty amazing results achieved by Helical in testing with HSM’s Adaptive that was something I could not talk about until today. But there are a number of things that go on under the radar with Autodesk HSM (A-HSM) that are parts of an ongoing quest to improve the program. To make sure that what is there works and then also steadily improves.

First though a bit of background for HSM Adaptive from my experience. Roughly three years ago I tried both CAMWorks and HSMWorks. Cutting “Jaws of Life” blades out of S-7 tool steel was the test at that time and Volumill in CAMWorks cut a more consistent chip load especially around the pivot hole where HSM spiked pretty badly in tool load. HSM was good but Volumill was a bit better. Fast forward to today when I was forced to look past Volumill due to Geometric’s failure with Camworks for Solid Edge and it is a different story. On same parts and work holding and cutters today I find that not only does HSM Adaptive find all levels better it almost always does so with quicker cut times when compared to Volumill and with chip loads at least as good at worst and better in most cases.

Today over at a post on Helical end mills http://camforum.autodesk.com/index.php?topic=6490.0 some interesting things come out. Volumill has used Helical as their benchmark endmills for the Milling Advisor speeds and feeds calculator available on their site. Keep this in mind as we delve into this thread. http://www.1helical.com/index.php/latest-news/8-latest-news/51-helical-autodesk will take you to the post referenced there and I want you to go there now and check it out. Especially the recorded speeds and feeds.

Using the Volumill Milling Advisor the closest I can come to the testing at Pier 9 was this. Don’t take my word for this download it and see for yourself!
Volumill Helical

I have not achieved this kind of dramatic end mill engagement improvement over Volumill in my shop but then I would never have tried something like this to begin with. My biggest improvements have been in the total number of inches of travel to cut a part. Since I use the Volumill derived Machining Advisor to guide me on speeds and feeds who would have guessed HSM Adaptive had such potential?

Judging by this comment from Helical in the Autodesk CAM forum post—

“Again, we achieved some impressive cutting parameters with Autodesk’s adaptive toolpath strategy conducted at Pier 9 and now are in the process of training our tool application engineering staff so that we can help mutual Autodesk/Helical Solutions customers at anytime. I must say that their pier 9 facility was very impressive and we anticipate more great advancements with Autodesk & Helical Solutions in the near future!”

I would have to say it was an eye opener for them too.

Movin on over Volumill, the big dawgs coming in!