Glenn Bouman
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Everything posted by Glenn Bouman
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It can be done in the post. Search for pfr in yout pst file and add the following. code: exitfeedcounter : 0 pfr # Feedrate W/O Negative Feedrates if fr > 0, fr if exitfeedcounter = 1, exitfeedcounter = exitfeedcounter + 1 if cend = 1, exitfeedcounter = 1 if exitfeedcounter = 2, "F2." #change F2 to desired feed if exitfeedcounter = 2, exitfeedcounter = 0
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Yes, from the levels Manager right click to Save Named Levels this saves the levels names as a CSV file. When you start Mastercam right click from the Levels manager to bring in that CSV with Get Named Levels
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By downloading the Addons you can clear up problems that may exist with the default settings in the Mastercam install
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Squashing an arc that is on an angle is going to to give you small seqments. Re-filleting after the squash will give you arcs again. It is how I have seen other people do it.
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It should of read: quote: You can make Mill behave like Wire by using Entry point options in the leadin/out commands. I had the words "behave" and "Mill" reversed. You can also make Wire behave like Mill by not setting the STCW and just set the Thread distance amount in the General parameter page. This will work well with your outside profiles. You could fillet your geometry after you do the squash function to get rid of those small line seqments in the program. [ 07-09-2002, 06:57 AM: Message edited by: Glenn Bouman, In-House ]
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Check to see that the H offset value (tool length) is equal to the tool number. The defaults for that setting is in the Job Setup page.
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You can also turn off "Save thumbnail image with geometry". That thumbnail is used with the file preview and takes just over 100k in size. [ 07-06-2002, 02:53 PM: Message edited by: Glenn Bouman, In-House ]
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Andrew, Since V7 you can convert a library to a text file and work with it in excel or an editor and then convert back from text. Right-click in the tool library to select those functions.
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The main differance between Mill and Wire in regards to Lead in/out is that with Mill the exact position of where the cutter starts the leadin is not that important. With Wire it represents the position of the drilled hole where the machine will thread the wire. You can make behave Mill like Wire by using Entry point options in the leadin/out commands.
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It doesn't do that on my computer. I went Auto-Drill, Entities, Windows and windowed the entire part (partial arcs included) It shows every entity is selected but only programs the full circles.
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Use Create, Point, Srf Project. this will project the points and give you the option to output to a file.
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mpfan, rotary,axis substitution,feed problem
Glenn Bouman replied to Eric S.'s topic in Industrial Forum
What machine are you using? Fadal and Haas have their own wrapping function which will support arcs. Otherwise tighten up the vtol variable in the post. -
mpfan, rotary,axis substitution,feed problem
Glenn Bouman replied to Eric S.'s topic in Industrial Forum
What you are seeing on the angular moves is degrees/min Machine cannot output wrapped arc moves so the post breaks them into linear segments. -
BerTau's, quote: Try selecting the chain, right click, and 'reverse chain' This works fine on my computer. This is the only way as comp left or right is applied to the entire set of changes. "Change side" just changes that parameter. Plasttav, You can also use re-chain single instead of deleting and re-chaining.
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I must be lucky, I have never recieved spam with my work account. Now my home account that is a differant story
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If you looking for "dramatic reductions" in cycle time, you looking at the roughing aspect of highfeed. For roughing you do not need to fine tune for the machine. Just set the minimum cornering angle to at least 100 degrees so it will not slow down in the corners and the rest is up to what "Volume Material removal rate" that the cutter and machine can handle. I have even used it on a lathe doing a face contour. (had to pull the file into mill to run the highfeed)
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My application was cutting a slot with one pass. The loop radius would be slot width - tool dia / 2 Trial&Error is the best teacher. Since Trochoidal cutting is not available in contour I had to remove a pass from a pocketing pass. High speed machining is all about light cuts. The advantage of trochoidal is that you take light cuts and still utilize the full length of the endmill and not just the tip. [ 06-12-2002, 07:41 PM: Message edited by: Glenn Bouman, In-House ]
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Small 20" X 10" Leadwell 40 taper Fanuc OM control This cutting method lets you do wonders on a light-duty machine. Low cutting forces.
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I tried the Trochoidal cutting today and it worked excellant. Used 1/4" 4 flute endmill buried .4 deep in 4140 tool steel. 6000 rpm and 30 ipm. Loop radius of .02 and a .01 Loop spacing. Looked like it was cuttng butter.
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If it is pocketing that you are doing, use the Highspeed cutting method and enter a value for the corner smooting radius.
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quote: I have to refresh at the page that lists all topics and then again at the message itself to get all messages to show up sometimes. Go to Tools, Internet Options, Settings under Temporary Internet Files and Set "Check newer versions of stored pages" to Every visit to page
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Feed rates, router speed, router bits
Glenn Bouman replied to Bill Watt@PM's topic in Educational Forum
quote: typically use feed rates of 20-40 f/minIf that is feet per minute you are ok. If it is inches per minute you are 12X too slow. Make sure your endmills are meant for wood and not steel. Steel-cutting endmills will not have enough clearance. -
And then use the Snap shot option to draw the tool/holder at that point.
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Hardly, I am sure 99.9% of other lathe users would not appreciate 4X the complexity. Just use toolpath point with a custom tool drawn to look like a steady rest along with a few post mods. [ 05-30-2002, 08:09 AM: Message edited by: Glenn Bouman, In-House ]
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Or you can try FORMING TECHNOLOGIES INC