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Unread 15-10-2013, 18:45
Adrian Clark Adrian Clark is offline
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Re: Show off your machining!

Quote:
Originally Posted by DampRobot View Post
It puts a lot of load on a end mill to dive or spiral into a part, even for center cutting end mills.

For teams with ATCs, it's generally faster to just drill a quick hole and dive your cutter into the part rather than taking a while to spiral down through the part. Of course, if you have to manually change tools, its probably faster just to spiral in.
True. I'm used to using a cnc controlled bridgeport so predrilling isn't as fast as milling and with a helical ramp spindle load is minimal when you plunge (I use a super slow z feed). But with an ATC I can see the advantage of predrilling. Makes sense.

Last edited by Adrian Clark : 15-10-2013 at 18:51.
 


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