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  1. Replies
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    For really small holes forget using inserts.

    For really small holes forget using inserts.
  2. Do you have a DRO with a bolt circle function? ...

    Do you have a DRO with a bolt circle function? Use it to plunge many times around the arc. Spacing of the plunges will depend on the diameter of your tool and the allowable scallop.
  3. YouTube...

    YouTube
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    My guess it is a custom pump made for Clark. I...

    My guess it is a custom pump made for Clark. I would start looking for vendors that handle and/or recondition used forklift parts.
  5. The cross section of the gripper is so great...

    The cross section of the gripper is so great compared to the wire that material strength will not be an issue. Abrasive wear from the wire might warrant a harder material.
    Don't bother trying to...
  6. Replies
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    I missed the threaded surface. That means I...

    I missed the threaded surface. That means I would have to design one of the fixtures so I could mount it to a lathe faceplate for threading. Design of the fixturing will depend a lot on the...
  7. My understanding is that the rollers are very...

    My understanding is that the rollers are very slightly crowned to prevent fatigue cracking at the ends. A truly cylindrical roller is undesirable.
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    An then you see machinists tightening all 3 in...

    An then you see machinists tightening all 3 in sequence. The reason the center shifts when you tighten the other pinions is that it shifts the scroll with respect to the chuck body. The scroll...
  9. I already have one. Same price as yours, not...

    I already have one. Same price as yours, not nearly as nice and no micrometer feeds.
    I have some manuals if anyone needs a copy.
  10. Replies
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    You beat me to it. It could be done in 3...

    You beat me to it. It could be done in 3 fixtures. Designing the fixtures is the hard part.
  11. I don't have the cutter but have everything else...

    I don't have the cutter but have everything else needed to rotary broach it. With the cutter I could rotary broach it faster than you can set up the slotter.
  12. I don't know for certain but I expect the mass...

    I don't know for certain but I expect the mass quench effect of the surrounding metal to be more severe than a water quench. Better include the cost of annealing and reheat treatment in your...
  13. I think you are right. I suspect it was...

    I think you are right. I suspect it was activated by a foot treadle.
    The square bar out the bottom is probably what actuates it. Coming from BC therenis a logical connection with the lumber...
  14. Replies
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    With an imperial leadscrew you can't disengage...

    With an imperial leadscrew you can't disengage the half nuts for metric, module or DP threads.
  15. Replies
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    Switch to an insert with an internal hex...

    Switch to an insert with an internal hex wrenching surface. McMaster has them for hard wood or soft wood.
    McMaster-Carr

    McMaster also sells installation tools for the type od insert you have...
  16. Replies
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    Foundry Services | Custom Casting | Pump Industry...

    Foundry Services | Custom Casting | Pump Industry | Branchfield Casting in Galva, Illinois
  17. At 82 I am no longer an active machinist so I...

    At 82 I am no longer an active machinist so I guess I qualify as a hobby machinist. I say we should give the hobbyists and beginners forum of their own. Those of us that got where we are were...
  18. I figure when you try to bend 1" plate on that...

    I figure when you try to bend 1" plate on that angle iron die the angle iron will just flare out.
  19. Look at the way Harbor Freight builds their 20...

    Look at the way Harbor Freight builds their 20 ton press. That configuration keeps the jack upright and eliminates the problem of trying to operate a jack inverted.
  20. Replies
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    +1 for trying it under load. Both clutch packs...

    +1 for trying it under load. Both clutch packs will have a little drag when in the released position. That drag is probably enough to spin the low gear train. Under load the feed rolls will likely...
  21. I am in agreement with those who suspect a...

    I am in agreement with those who suspect a deformed pocket in the bar. It sounds like you have enough time invested in this to pay for a new bar. In Ali I think you would want a CCGX insert.
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    I am surprised no one asked the material that was...

    I am surprised no one asked the material that was to be cut. It makes a big difference in the drive ratio needed.
  23. Replies
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    Atlas was another that used non-standard jaws. ...

    Atlas was another that used non-standard jaws. They resemble American Standard jaws but the transverse tongue/groove are inverted.
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    Can you get a different clutch plate with the...

    Can you get a different clutch plate with the correct spline?
  25. Another issue to consider: taking heavy cuts...

    Another issue to consider: taking heavy cuts with a large face mill generates enough force to knock the machine out of tram. I settled for a 3" high positive 45* cutter for my 3hp. machine.
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