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  1. Lots of nasty interrupted cuts with grooving...

    Lots of nasty interrupted cuts with grooving tool.

    Sent from my moto z3 using Tapatalk
  2. Making crankshafts. Dual centers on each end so...

    Making crankshafts. Dual centers on each end so we can turn and grind each journal between centers. Then wire Edm off each end. Finished grinding after heat treat. Finished part on right side of...
  3. Replies
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    816

    Kind of the same idea as a cold saw. Every other...

    Kind of the same idea as a cold saw. Every other tooth is slightly V shaped and slightly longer than the square tooth to spread out the stress thereby reducing the force needed to cut. I've done...
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    273

    No help, but if it were me, i would remove the...

    No help, but if it were me, i would remove the software update and see if that solves the problem. Doesn't say much for DMG support (unless this is an ancient machine)? I haven't heard too many good...
  5. Thread: Aluminum Grinding

    by RJT
    Replies
    13
    Views
    1,516

    Norton 32A46H grey wheel, lots of coolant and a...

    Norton 32A46H grey wheel, lots of coolant and a sharp diamond to dress the wheel and an aggressive dress (several passes at .002" and a quick motion). Don't take light passes for a finish dress. I...
  6. We do as post #3 except we have someone other...

    We do as post #3 except we have someone other than the person who makes the parts do the inspection. Too much chance of a transposed number from the person that made the initial measurement being...
  7. Thread: CMM Fixturing

    by RJT
    Replies
    3
    Views
    861

    We make conventional fixturing for CMM and vision...

    We make conventional fixturing for CMM and vision systems. We find most of the time customers don't want to spend the money on custom fixturing. They think they can get something custom made for the...
  8. Replies
    8
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    656

    I use Harvey Tool for specials, things are easy...

    I use Harvey Tool for specials, things are easy to find on the website with lots of pictures and dimensions and pricing. Same with Mari tool and YG1.
  9. Plenty of Mitutoyo indicators to choose from with...

    Plenty of Mitutoyo indicators to choose from with lug backs.
    Special Dial Indicators Series 2
  10. Replies
    1
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    530

    Indicator extension Hommelwerke 3-35.991

    I have one of these that came on a gage a customer gave me as a sample. They have no idea where it came from and I am having very little success hunting it down. It looks like it may be obsolete? ...
  11. Replies
    18
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    1,893

    We have a mini mil that has been great for the...

    We have a mini mil that has been great for the right kind of work. We have other more rigid VMCs as well. We use a spindle speeder and it is again OK for the right application. We use it for .005 -...
  12. Nothing that has gone across borders, but i have...

    Nothing that has gone across borders, but i have had success getting things resolved by sending a registered letter to the owner / manger that clearly states the facts and your intentions in a non...
  13. Replies
    4
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    476

    Milling 95A polyurethane

    Is this hard enough to mill without too many problems? I have milled plenty of Delrin, nylon, UHMW, but never had too much luck with polyurethane. But I don't recall what durometer I have tried in...
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    1,977

    I did this a couple years ago. Check with your...

    I did this a couple years ago. Check with your power company, they may have rebate programs and will usually do a free energy survey and make recommendations. They ended up paying for 50% of my...
  15. Replies
    7
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    1,052

    Metric roll pins vs English roll pins

    Usually an English roll pin is a few thousandths larger than nominal , but compresses fairly easily to get a press fit into a nominal size hole. I bought 3 mm roll pins from 2 different vendors and...
  16. Replies
    30
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    3,074

    OT Stuff apprentices do

    I asked a new apprentice to get me a 10-32 screw to check a thread with. He came back with a 5/16 screw. I told him that wasn't right, but he insisted it was, he had just reduced the fraction 10/32...
  17. Replies
    13
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    3,501

    I just broke my window and used the search...

    I just broke my window and used the search function to see what others had done.
  18. Replies
    13
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    3,501

    Thanks for the recommendation, they were about...

    Thanks for the recommendation, they were about half the price of the OEM for our replacement window.
  19. Replies
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    1,920

    I like this solution the best. Won't have to fish...

    I like this solution the best. Won't have to fish around in the chip to find parts.
  20. Replies
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    1,920

    How to avoid this machine crash

    Turning a simple part in a CNC lathe, face, turn, thread, groove and cut off, 30 part run, the back side will be done in a second op. On the 21st part, at cutoff the part flips into the counter bore...
  21. Thread: Doosan

    by RJT
    Replies
    36
    Views
    4,969

    Thanks, firm believer in keeping things neat and...

    Thanks, firm believer in keeping things neat and organized pays for itself. Especially since we do a lot of quick turnaround precision work.

    Sent from my moto z3 using Tapatalk
  22. Thread: Doosan

    by RJT
    Replies
    36
    Views
    4,969

    Samchully 8 inch, we use it mostly for indexing,...

    Samchully 8 inch, we use it mostly for indexing, haven't done much contouring, but so far it works great. Only had it about 9 months.

    Sent from my moto z3 using Tapatalk
  23. Thread: Doosan

    by RJT
    Replies
    36
    Views
    4,969

    We have several, lathes, mills, and mill / turn....

    We have several, lathes, mills, and mill / turn. Been very happy with performance and reliability. We don't run production, strictly tool room work, so lots of setup and short run parts. Lots of...
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    1,329

    Time for a thorough cleaning? How can you even...

    Time for a thorough cleaning? How can you even start cutting when you have a contact alarm? Look carefully inside the lower housing that secures the power contactor. Any suspicious erosion inside...
  25. What makes Ingersol Rand Ultra coolant worth $148.00 for 5 liters?

    What is this stuff made of ? I was shocked by the price. This is coolant / lube for screw compressors.
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