Recent content by drafter16

The subcontractor makes the tube and we drill the holes. We need to measure the location of the holes from the datum and not the diameter. Tolerance is +/-0.005". Thank you all for the tips.

I'm not sure what a wobble center is. But I think you mean an edge finder. This may work. :)

CMM would be too expensive as we would need to build a room to control the environment.

Thanks. No, we have not talked about using a CMM. I will look into it. We need to measure a length of at least 102".

Hi all Does anyone here have experience in measuring drilled hole location on a finished part? I included a picture of what I have in mind. The part with the drilled holes is what we make. We would like to use a linear encoder thats connected to a track that can be pushed back and forth. Just...

Anyone know what the chamfer is? I know its a 45 deg angle. ASG-11 bevel angle I think its called

Thanks. I will check that out.

Thanks fixo. But I read those sites already. It doesn't tell me the info. Someone directed me to the book Metal Cutting Theory and Practice. I will check that out.

I was trying to find a patent online. But there isn't a lot of info on the web.

I'm trying to find some info on a Racon point drill. Maybe a patent or wikipedia. Can someone direct me to an article or maybe a book? best ones I found so far http://www.precisiontwistdrill.com/techhelp/help_pages/drill_dictionary.asp http://www.mohawkeuropa.com/ti_mohawk/CAT_36.pdf

I found my answer http://www.niagaracutter.com/techinfo/millhandbook/speedfeed/carb.html

When one looks at the Basic Carbide Grade Chart, whats the difference from C-1, C-2, and C-9? All 3 are in the same category. Chart can be found by clicking on the link.