Jaz
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Everything posted by Jaz
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quote: With the exception of the UNJF having a slightly larger minor dia. So I should be able to use a 60 deg single point threading tool without issue. Can anybody confirm or deny this? That is correct. And use the same 1/2-20-3B gages.
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Thanks
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My XP64 box has 16Gb of memory. This switch will allow MasterCam to use a bigger chunk of it? Is MasterCam limited to 3Gb right now?
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quote: is it better to cut steel and stainless steel dry? or with coolant? Unless my cutter rep or catalog tells me otherwise I always use coolant. Currently the only time I cut dry is using inserts on steel. In your case probably you will have better tool life if you cut with coolant.
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Keep us posted.
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quote: what about ramping and helix cut depth and feed? i noticed my tool die the most when there is some sort of material removing while going on z axis such as ramping Most end mills are not really made for end cutting although they can do it. Set your plunge feed rate to what would work good for slotting or a little lighter then set your parameters to use the plunge feed rate when ramping down. In this case I would be looking at about F50 with 5 degree ramp angle. The shallower the ramp angle, the faster your feed rate can be.
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The heat is what is killing your cutter. At only .04" radial engagement your actual chip thickness is much lower than your feed-per-tooth and you do need to keep that up so the cutter has something to 'bite' into and give a big enough chip to carry the heat away. The higher feed rate may make a problem if you have to dive into an internal corner somewhere resulting in signifigantly larger actual cutter angagement.
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I was assuming 4 flutes. Yes, dry if you have enough air to get the chips out of the way so you don't re-cut them. By 'air' I mean an air stream directly onto the cutter like through the coolant nozzle instead of coolant, not an air gun stuck through the door, otherwise use flood coolant.
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At .04 radial cut you should be able to use the entire flute length if you need it and increase your fpt. Try leaving your feed rate alone just decreasing you spindle speed to 4500RPM which give a surface speed of about 600, and a fpt of .0061.
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AlTiN should be fine. Spindle speed seems excessive, I would start at about 1/2 that for annealed 303/304/316 SS, maybe S4000, F50. Chip load of .0038 might could be increased depending on what you call "small cuts". Dry shouldn't be a problem if you have some good air to move chips out of the way.
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1000 hours at $500/hr. But I'm willing to negotiate that.
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Vericut handles lolipop, dovetail and other odd shapes very well now. Vericut is very good and expensive. It adds quite a few features you don't know you need yet.
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Thanks
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I don't know how but I got rid of my MRU menu and now I can't figure how to get it back. Can someone help?
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You can do this using contour/ramp instead of helix bore. Choose multi passes and check "final depth" in the "machine finish passes at" box.
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I have had no problems with kenametal's dynapoint drills in this type of application. Go to your Kenametal rep and tell him what you want to do. If you have the quantities you can afford to have a custom one shot drill made, and if you do get a custom drill, you might consider adding a little chamfer to the drill for debur.
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quote: To me this proves that XP-x64 is not worth the aggravation as far as it pertains to Mastercam performance. I have seen some signifigant gains in generating larger 5-axis toolpaths, mainly because of the available memory I think. Otherwise, I agree, XP64 is worthless for MC.
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Dell T7400 2 Xeon X5472, 3GHz, 1600MHz fsb 16Gb 800MHZ ram 160GB Raptor HD Windows XP Pro-64 Quadro FX3700 X2 - 5:13 X3 - 4:17 Unfortunatly with the introduction of X3 we have moved away from a hardware benchmark score and now have software versions as part of the equation. I think we either need to start a new thread with X3 as the benchmark software or stick to only posting X2 times here. A new thread with a new benchmark file to run in X3 would be my preference.
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Smit, You can do what you want with "create line tangent through point". It is not a default in the sketcher/line toolbar menu.
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In the line creation toolbar there is a tangent button that looks like a diagonal line and an arc. It needs to be toggled 'on'. It will allow selection of arcs and spline to create geometry tangent to. It will stay on once it is selected so may need to be turned back off occasionaly, I leave mine on nearly all the time. Also look for this button in other geometry creation toolbars, it can make all kinds of things possible or be frustrating if it is turned on and you don't remember.
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Can someone try something in Contour for me??
Jaz replied to crazy^millman's topic in Industrial Forum
Appears to work as expected for me. -
quote: maybe it is time to put together a more variegated test file I agree. Maybe something that would take 20-30 minutes on the current fastest box. I would definitely like to see something with some biggish 5-axis toolpaths. If we do come up with something maybe a 'New Benchmark' thread would be appropriate.
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quote: If I decide to overclock don't you think I might as well get the Asus Rampage Formula and DDR 3? Either MoBo would be a little overkill and should do you great. Personally I would get the Rampage (if I could slip it past the wife) on the assumption that it might stand up to overclocking better and take better advantage of overclocked components.
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quote: I don't intent to do any overclocking. You should reconsider overclocking. With today's proccessors if you are not overclocked you are wasting speed that you ALREADY PAID FOR. In the old days this was not the case so much, but things have changed.
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I don't remember exactly but it involved deleting offending funtions, assigning different funtion and creating new custom funtions. It seemed to have something to do with the order in which the custom funtions were created or which funtion was most recently created? I slept since then.