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Choosing the right end mill for milling aluminum on a CNC router
I believe he's asking what alloys of aluminium you cut. 2024 is going to illicit a much different response than 6061 or 6063.- plastikdreams
- Post #4
- Forum: CNC Machining
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Need ideas fixturing, holes true position +-.0005
The best is when you ask the designer to explain true position and he says oh I've seen it on other drawings so I just put it there.- plastikdreams
- Post #19
- Forum: General
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Gauge Pin Question
Place I was at (medical) checked the pins regularly with a laser micrometer that read out like 8 decimal places. We worked with a very abrasive material (think tantalum foam) and the hack operators used to use the pins as reamers lol.- plastikdreams
- Post #18
- Forum: General
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Need ideas fixturing, holes true position +-.0005
Yeah, that's where the unrealistic tolerance comes in lol...especially in 6061.- plastikdreams
- Post #17
- Forum: General
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Need ideas fixturing, holes true position +-.0005
Is there a M with a circle around it on the print in the box with the true position indicator? If so there may be bonus tolerance allowed. For any given hole, the bonus tolerance is equal to the actual size of the hole minus the smallest size of the hole. I hate true position, it's gotta be the...- plastikdreams
- Post #14
- Forum: General
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Need ideas fixturing, holes true position +-.0005
You are running on the ragged edge of repeatability for that machine. If anything I would see if the tolerance can be opened a little bit, it you are hitting .001 or less see if you can get a few or 5 tenths on it. Where in North jersey?- plastikdreams
- Post #4
- Forum: General
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Nakamura WT 250 vs WT300
It would seat it was just off a few degrees- plastikdreams
- Post #33
- Forum: CNC Machining
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Nakamura WT 250 vs WT300
I used to run a 300, accurate and repeatable all day every day...but finniky had the turrets touch in slow motion and it knocked it out of spec. Had to have a tech come out and recalibrate the damn thing.- plastikdreams
- Post #31
- Forum: CNC Machining
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UHMW "Burr" removal help
Razor blade for box cutters...I've done a lot of plastic work and they work the best. Don't try to cut, drag it medium pressure almost completely perpendicular to the surface. You think uhmw is bad, try tefzel lol.- plastikdreams
- Post #12
- Forum: General
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South bend Series O Refurbishment Help Needed
Good choice 😀- plastikdreams
- Post #11
- Forum: Antique Machinery and History
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FS telescope gauges Yaesu Lufkin $30.shipped
Who reads titles these days ;)- plastikdreams
- Post #4
- Forum: Tooling, Parts and Accessories For Sale or Wanted
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South bend Series O Refurbishment Help Needed
Buy something newer...- plastikdreams
- Post #3
- Forum: Antique Machinery and History
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Need Mits MV1200 WEDM power settings for 8 inch steel
What grade stainless?- plastikdreams
- Post #3
- Forum: EDM Machining
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Has anyone tried "Piece Work" to pay employees?
Are you that cheap? And then people wonder why we can't get people into the trade. Get bent ya fuggin wanker.- plastikdreams
- Post #18
- Forum: Shop Management and Owner Issues
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griping on OD of thread
What part of the threads are you griping about? What did they do to you?- plastikdreams
- Post #12
- Forum: CNC Machining
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How to slowly ramp up RPMs on motor
Google has a soft start function now!?!??!- plastikdreams
- Post #7
- Forum: Transformers, Phase Converters and VFD
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Y0 Z0 before tool change how do i get rid of that?
Before each tool change?- plastikdreams
- Post #4
- Forum: CNC Machining
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Newb to machining looking for some advice on milling aluminum
Try running it in reverse...- plastikdreams
- Post #4
- Forum: CNC Machining