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  1. Replies
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    I always avoided hardness files because I...

    I always avoided hardness files because I wouldn't know when they are worn out. But I have used a generic file to check. Our drawing says HRC but I only want to check yes/no to see if our supplier...
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    I have an Ames in a stand right here on my desk. ...

    I have an Ames in a stand right here on my desk. Works as well as Wilson minus one decimal place. Mine only goes up to R45N but that converts nicely to HRC. Highly recommended.
    The only fiddling...
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    Thank you ! I would vote this up but don't think...

    Thank you ! I would vote this up but don't think this forum has that crap (thankfully!)
    I was scared of Leeb after bad experience with ultrasonic. Starting to come around.
    Didn't know about the...
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    Sure, and the diamond is fine etc. It's a good...

    Sure, and the diamond is fine etc. It's a good unit, digital.

    (Covers ears with hands) Laa laa laa laa...! :( (so at least it's not just me)
    They would love me if I made them EDM these every...
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    Hardness testing advice?

    Sorry for the world's dullest topic...
    Have to certify hardness on a casting that won't fit on a Rockwell tester. Weighs about 10 lbs. Only induction treated on one small appendage.
    I can cut off...
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    Metric vs Imperial: Who Would Win ?

    If you had a 1/2-inch boring bar and a 12 mm boring head, would you

    * Turn the bar down to 12 mm?
    * Drill the head out to 1/2 inch?
    * Be more careful next time you bought stuff?

    I'm in USA...
  7. Replies
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    635

    Thanks for that info. I looked at their drawing...

    Thanks for that info. I looked at their drawing and it was like a carriage bolt with a square boss and a hex head. I hope they are planning to use hex stock. Even so, it's like making a toothpick...
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    635

    Flatting Cycle G77, HAAS to Miyano

    We would like to use an old program from a Haas lathe, but it calls flatting cycle G77.
    We got rid of the Haas & now have a Miyano BNE51SY5 (Fanuc).
    We were wondering if there is a way to code...
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    Deep drilling 1/8 inch

    Sorry for flogging a tired horse - I did read some other threads about deep drilling, but still not confident.
    I need to make a punch/die for a pattern of holes a little over 1/8 inch. Just to...
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    1,210

    I misstated the problem... parts that are in...

    I misstated the problem... parts that are in tolerance actually work. The problem is about one part in a thousand that is out of tolerance.

    Facing is out of the question. Threading the hubs...
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    Internal thread as sort of a knurl

    We have a chronic problem with pressing an axle into a wheel hub.
    It goes in with clearance, then gets hydraulically pressed to swell and lock the pin.
    But such is the tolerance, that the clearance...
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    Enlarging holes in cast 8620

    A couple of thousand undersized holes in cast & hardened 8620... about RC 58
    Holes are supposed to be 0.390 +- 0.005 in., came in at about 0.380 in.

    So we need to increase .380 to at least .385...
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    834

    I have better uses for tonic water! :cheers: but...

    I have better uses for tonic water! :cheers: but the gin might work... especially F*manns
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    Parts Washer Disinfectant

    Any ideas of a good disinfectant for parts cleaning tanks?
    We have one solvent based tank and one alkaline aqueous tank (with an orange smell).
    They both smell like sewage. And it isn't just going...
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    Multipress out of business?

    Multipress (formerly Denison) hasn't returned an email for years, and now all their contact addresses are undeliverable. Anybody heard rumors of their demise?
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    Bearing shields ZZ tightness

    You all know what a "shielded" bearing is, type Z or ZZ...

    Well, our mgmt has decided that shields must be ABSOLUTELY incapable of any rotation.
    We buy 100s of thousands of bearings from another...
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    I bought a Fiskars scissors & almost need 2...

    I bought a Fiskars scissors & almost need 2 people to pull the "ergonomic" handle off of my fingers. Might just wear it all day like Edward Scissorhands. Seriously, can't put it down with one hand....
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    This worked for us... a real radio plus a...

    This worked for us... a real radio plus a streaming server

    1) Put a radio somewhere where it will work - AM, FM, shortwave, Morse code - doesn't matter
    2) Patch the audio to the Line input on a...
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    That's odd... I have lots of busted carbides...

    That's odd... I have lots of busted carbides lying around...
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    How to check sprocket hardness

    A customer just returned many tons of product because we did not provide a hardness certification for a small sprocket.
    (Nor did they ask for one until after they received the shipment.)
    The part...
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    Success. Unbolted the tie rods & pulled the...

    Success. Unbolted the tie rods & pulled the piston out from the top. With the rod on the bench, they tapped the screw out with a punch. Didn't even wreck the packing.

    Now... the same people are...
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    Big screw broke off inside - Help extract!

    :eek: A 3-inch hydraulic rod has a 7/8-9 screw broken off about 1/2 inch inside ! :eek:

    The screw is some really hardened tool steel.
    They managed to grind a slot in the end of the screw with a...
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    Reverse threading blind hole

    Threading question...
    I need one piece of a threaded blind hole, with as little wasted space as possible at the bottom of the hole. Don't want to turn forwards, doing multiple passes I will surely...
  24. Any chance you disturbed some dust in the...

    [QUOTE]Any chance you disturbed some dust in the cabinet during the move?[/QUOTE

    Dust! HAHAHAHA! :ack2:

    Yeah, I'll try flipping the legs.
    Another great blunder was swapping the water hoses,...
  25. Mits DWC90C Err70 "EP Condition" (Electric Power)

    We moved a DWC90C WEDM, and now it gives Error 70, "EP Condition" which means Electric Power.
    Voltage was 208 before & after the move.
    Actual voltage is 209 - 210 on all 3 phases (really good...
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