USING THE EDGEFINDER ON THE BRIDGEPORT MILL tubalcain

This is how to find the edge of your work on a milling machine. You can then accurately locate holes or slots. In effect, your layout work can be done on the machine with great accuracy. This is done using a Starrett edgefinder.

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[rosevalley0110]

Great videos! I know this one is a year old but I wonder if you could clarify something for me. Is it true that when the edgefinder starts to run true, that's the edge of the part? But then you keep going just slightly more until the edgefinder just slips to the side. Is this like a trip point telling you that you are indeed at the edge? If I had ever used an edgefinder I'd probably know exactly what you are doing but that's not the case.

Thanks so much for sharing!

[mrpete222]

@rosevalley0110 YES--let it slip to the side--which is about an extra .001

[oink079]

What RPM range works best for the edge finder? I can't thank you enough for these informative videos. I feel like I need to write you a check.

[mrpete222]

Around 1000 RPM

[capriracer351]

Methinks that the "Ollllld buggy whip maker" is one sharp cookie :)

[mrpete222]

Thanks!!!!!!!

[chrissd40]

Mr Pete, you are the greatest! Thanks for your videos.

[bentontool]

superb... Thanks. A.

[scienceman64]

My dad was a machinist for 20 years and this makes me appreciate the work he did.

[makedoandmend2]

could you please put a video on about digital read outs both for use on mills and lathes including how to fit them to the machines.

thank you

[juacartav]

Thank you very much Tubalcain! I am a 40 year old auto mechanic and for many years i have been sending my machine work to a shop, but now im looking for a lathe and a mill for my shop and I will be doing my own machine jobs, I am very grateful for your videos.

PS I just subscribed!!

[Machinist5527]

Very good video,as is all of them, I have learned a great deal watching these videos thank you, if you have time could you do one on cutting radius's on the milling machine both rounds and convex or fillets, thanks again for all your knowledge, Bill

[TheBobby73]

I agree with bddc201. If the material is ground stock or it has been milled to a known dimension measuring and splitting the difference is fine. On rough stock i always zero one edge, find other edge then split the difference to center. Even on ground material I always find each edge and split the difference.

[Caterhamse7en]

Thanks for the videos... I'm a gunsmithing student and absorbing all the new machines and tools has been a lot of work. Videos like these help me out quite a bit.