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Showing content with the highest reputation on 05/05/2020 in all areas
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The pallet changer for our Okuma Genos M460-5ax showed up this morning. Some assembly required....
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Yup...many times that's exactly the issue...me3 points
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i get that all the time from one operator, "something's wrong with your program" ooook , let's check your tool offsets, your fixture offsets, are you running the correct program, did you even read your set up sheet ?2 points
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While Mastercam most certainly does have bugs, blaming bugs at the first sign of trouble is usually a bad call 99% of the time when I think I've found a bug, the problem is the idiot sitting between the seat and the keyboard2 points
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Acrolocs were my first exposure to real CNC I thought they were the coolest thing ever1 point
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On a few occasions camplete would have an arc going outside of the machine like 10 or 20 ft in diameter. I'm guessing it's one of those very small arc length deals. So I usually adjust the filtering parameters and it goes away1 point
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classic example of pebkac
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Yep. Don't get me wrong, I've found and reported probably over 100 bugs over the years, however, by far more often than not, I am at fault. Bad geometry, not waiting for the software to finish a task, etc..., etc..., etc... ad infinitum. Before I scream "bug", I have to be able to repeat the behavior at will. If I can't repeat it, I look in the mirror. Ego prevents most programmers from being able to accept the fact they are in error however. This is what separates the programmers from the good or great programmers. IMHO.1 point
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My favorite is when someone blames the machine for acting up. “ I added -.020 to the wear comp and it’s not opening up.” Then I take a stroll over to the machine and see that he’s been putting the value in Length wear. This has happened twice.1 point
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Yup 100% I have only once so far ran into a case where another modern control couldn't keep up with a 10+ year old Fanuc. It could go at the same speeds, but the part barely looked like what was programmed. No amount of reasonable programming or tuning was going to get a good part off in the same time. Some would say that some tuning was needed, but the dealer threw up their hands and had no answers to solve the problem with their machine, upon asking the MTB, they also didn't have any suggestions. To date thousands of parts have been made using a Fanuc control on a few different types of machines from a few different MTB's and not one machine has needed any tuning or special settings to make these parts. Just works.... FYI it's a high speed 4 axis rotary surfacing application. Shooting for somewhere around 20000mm/min peripheral speed. Oh and you don't even need to use inverse time, all you need is AICC I, once again just works...1 point
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Thanks for bumping the thread on the main forum. I have seen that thread before. I have not experienced the problem myself, and I'm not aware of every defect that the system team has for planes, so when you asked for me to ask them about, "the moving plane issues in 2020" I wasn't sure exactly what I was asking them for. Thanks for clarifying.1 point
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I doubt it. Check the chaining tolerance on the seat that is swirling and on the seat that is not. I think you have some chains with gaps between the enities. Someone got around this by opening up the chaining tolerance. Now you`re running the files on a seat with the chaining tolerance set at the default, .0001 and the chains are broken1 point
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At the time I did the test the Siemens fans were still touting the superior performance...1 point
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What is the feature that you're cutting? For me that would determine how I would handle it if there are many... Here's another based on a repeating feature but knowing exactly the kind of feature you're working with would be helpful https://www.dropbox.com/s/nc320dsca1cqauo/JP-Transform location 2.mcam?dl=01 point
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@Mark@dmg-mori .001" long length line segments or .001" chordal deviation segments on the 10" diameter? Speaking of tests, I ran a head to head test 840DI vs. a 30i-B on an impeller. Fastest I could get the 840DI to go was 20% slower than the FANUC. I tried everything. COMPCAD... everything. The whole friggin kitchen including the sink. Same program. Same tooling. Same everything. FANUC beat it hands down. So there's that. I'll post up a link for the program for anyone that wants to run it. Just tell me the kinematic you need (A/B, A/C, or B/C).1 point
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FANUC really does itself a disservice honestly. When I took a class in Chicago last year at their US HQ, I told 'em as much. They don't do a good job of educating those that support it's product, they don't do a good job of educating end users. THe only thing they do a good job of is making the most robust motion control product on the market. That must be enough for them I guess. So, it's up to folks like me that have a pretty good handle on them (and believe me I still feel like I'm only scratching the surface on what's possible with them) to pass along what we know so we can stop the disinformation fest the Heidenhein and Siemens fans continue to perpetrate. JM2CFWIW YMMV1 point
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I just ordered all of the components to build 2 new computers for my brother in law and his sister. If you're not into the computer scene, right now prices are a little inflated, and they keep going up. This is due to the current pandemic, manufacturers are unable to make more products and items are rapidly going out of stock. However, Intel just announced their 10th gen processors yesterday, they are supposed to come out this month. This gives us all something to be excited about.1 point
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Okay that make more sense as to the process of the switch. Issue becomes absolute and continuous encoders on rotation axis. Then when we throw in signed direction axis on top of that it starts to get real deep like you stated with it not ending well. Thank you for breaking down the logic and the process to help me wrap my head around what you meant. Have a good day.1 point
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Computer Thrombosis!0 points
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very early in my career I was running an Arcoloc doing high speed production on aluminum extrusions. Most of you are too young to know what an Acroloc is.. but the were very weak machines, more a high speed drilling and very light duty milling machine. I replaced a dull 1/2" 2 flute endmill with a new 1/2 4 flute endmill On first contact, it ripped the tool holder off the end of the spindle. The tool mowed through the part, through the fixture and blew up when it hit the table, leaving a large divot in the table. It was a spectacular crash for a newbie… and the boss was not pleased.0 points
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All those controls serve a purpose and I'm not going to knock one over the other...at least not too much The biggest differentiation by far is always the guy programming them. Most of the time they won't even matter, but in those special circumstances...it could be a difference between making a profit or not for the shop owner. There is also no excuse for a modern control to puke when reading large program and going thru thousands of lines of code at high rate of speed...not good. Changed my profile name, so I can say more0 points
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Lol... that name tho0 points
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Version 1.0.0
616 downloads
The Mastercam 2020 Mill Essentials Training Tutorial features concept-filled tutorials, challenging practice exercises and short quizzes following every tutorial providing a comprehensive look at geometry creation and 2D toolpathing for Mastercam Mill. This book begins with the absolute basics by introducing the Mastercam user interface and it will have you creating geometry, drilling and creating contour toolpaths before you know it. Its gradual progression lends way to more advanced concepts such as multiple setup scenarios and 2D High Speed Toolpaths. All of the parts within the book are designed with machinability in mind. A multitude of topics are covered including 2D geometry, solid geometry, tool settings, stock setup, drilling, tapping, contouring, pocketing, circle milling and slot milling. You will learn the 2D High Speed Toolpaths such as Dynamic Mill, Area Mill, Dynamic Contour, Peel Mill & Blend Mill, how to import a solid and machine it and using the WCS in multiple fixture applications.Free0 points
