3 Wire thread measurement

[EdK]

Didn't Tom already do a video showing how to use thread wires?
My memory isn't so good anymore so maybe I saw it somewhere else.

Ed

[TomG]

I did use the three wire system in my video on cutting external threads, but I didn't do one specifically on the three wire system.

I'll add it to the list.

Tom

[EdK]

(11-25-2013, 05:25 PM)TomG Wrote: I did use the three wire system in my video on cutting external threads, but I didn't do one specifically on the three wire system.

I'll add it to the list.

Tom

Good, my memory isn't quite as bad as I thought.

Ed

[eightball]

I use wires all the time. If im on a shaft above an inch or so, I use rubber bands or o rings to hold the wires in place while i measure over them. On something small i usally use a piece of dum dum and stick the wires into it so i only have to hold the one end and dont drop the wires. I have used wires to measure double lead threads also.

[TomG]

Welcome aboard eightball. I've used rubber bands in the past, but normally end up launching the wires across the room with them. It's probably just my clutziness.

Tom

[eightball]

Thanks Tom, I hope you saw on one of the other forums that I am now cancer free. A colostimy is a small price to pay to see my granddaughter grow up. I posted once b4 a test shaft i made to make a #4 double lead left hand acme nut. Being a 1/2 inch lead i had to be very creative on how i held my wires. If i dropped them they went into the river. This was an automatic discharge valve that is literally over the edge of a river. I used o rings on the wires and a couple of rubber bands to hold a 1/4 tool steel over the top two wires to span the gap so i could mic over the wires.Fortunantly both threads were the same pitch diameter. I made the test piece about a thou bigger than the actual valve stem. the nut fit like a glove. I have made several ends for hydraulic cylinders at work measuring over wires held on by o rings. The other machinist at work borrow my test plugs all the time. Kinda funny when they used to laugh at me for making myself additional work. Guess i get the last laugh huh?

[stevec]

I sorta thought we might have had something in common, I had a prostatectomy and subsequent radiation 12 or so years ago.
We just gotta hang in!

[TomG]

I was actually banned from that forum (along with most everyone here) for promoting my instructional videos, so I didn't get the news. Congratulations on beating the odds, it must feel good to have a new lease on life.

Tom

[eightball]

Hate to here that Tom, I like your no nonsence approach to machining. Kind of ironic, i found this site watching a Doubleboost video on the other forum. To tell ya the truth its not as active there as it once was.Glad i found my way here.

[eightball]

Steve, I had rectal cancer. Went through radiation and kemo 5 days a week for a month to try and shrink the tumor. Fortunantly it never got in my lymph nodes and all my margins were clear. I have a permanant colostimy, but by god I have A future now. I dont mean to hijack the thread , im just new here. Try to post a pic of my method of measuring over wires but couldnt get it to work. Not sure what im doing wrong.