gary dunn
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Everything posted by gary dunn
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I am a toolmaker at Perlos, Inc. in Ft. Worth Texas. We mainly do Nokia molds and other various tooling.
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can you do a helix entry ? it owrks real well for me.
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in metric, pitch X RPM = feedrate. for instance, a 6mmX1 metric tap spinning at 250mm per minute (roughly 9.8 inches per minute) would have a feedrate of 250mm per minute becuase there is one thread per revolution. to save those vales, set up your taps in the tool definition library. we setup mine and they have never changed. NCutils/ define tools / library
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the way i figure it, it may be kinda dumb but it works. half of the diameter of the chamfer tool, assuming it is a 45, is used. for instance, if you have a 12mm by 45 cutter, then take half that which is 6mm. then the z value could be Z-3 and the XY offset would be -3 and that would give you a zero chamfer. (3+3=6) to get a .5mm (.02") chamfer, then either increase the Z value by .5 or the XY value by .5, ie. Z-3.5, XY -3. (3.5 + 3 = 6.5 or a .5 chamfer)
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is there a way to get the setup sheet function to print out the max and min values for the Z axis, along with the tool numbers, only ? i don't really need mcuh of the other info, just the Z values for the operator.
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there a chook called Thelix that works really good.
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i've got one (Bost3200X post), but today is saturday and i don't get to go back to work until monday .... my email there is [email protected]. itoo am using a Bosto 3200 on a model 22 machine. it is a good machine but some of the functions on it don't work. hehe, even the Bosto tech couldn't get them to work. it isn't very user freindly. email me and i will email that post back to you along with a couple of others that i have that work good with it.
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if there are surfaces involved, try creating a boundary around the out side, the use toolpath/surface/rough/pocket, all surfaces, and check the boundary box then select it after hitting OK. works real good. these guys here at emastercam gave me some tips on how to speed up the process that worked real good. listen to 'em.
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we are doing some stuff that has a lot of surfaces. is it normal for a "surface-rough -pocket" on around 640 surfaces in a boundary, to take over an hour to generate a tool path ? 850mhz p3 with 768 megabytes of ram, etc. the whole pocket is about 100mm by 75mm with an island of 50mm by 25mm and 15mm deep. lots of surfaces, very busy shape, and using a 10mm cutter. it's hard to keep from falling asleep after 8 or 10 hours of waiting. gary
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customizing menus ... i agree, MC doesn't allow much there. if they could make it like autocad menus, you can do them anyway you want and it is fairly easy to do.
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pick parameters for that operation, right click the window and get the new tool from the library that you want. regen the path. if you want to, the pick ncutils, then define tols. then current and uncheck the filter if active, which will list all of the tools in your current program. the ones that are being used will have a green check on them. the unused will be slightly indented. you can delete the unchecked ones without doing any damage.
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does anyone have any thoughts on how to do this ? the machine i am trying to set up only has 7 programable positions and i have 8 positions to machine . if i got the positions, and then did a program for each position in the same nc file, it would be 48 miles long. urrrrr.
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can any of you guys give me any data on high speed milling as far as speeds, feeds, depth of cut, etc. ?