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  1. Replies
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    835

    Bulldogs are strong and secure but frequently...

    Bulldogs are strong and secure but frequently require a hammer.
  2. The conventional wisdom is that adapting a...

    The conventional wisdom is that adapting a machine with 2 speed motor is that you must choose one of the speeds and live with that choice.
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    451

    Surface plates are weird to buy and sell. I own...

    Surface plates are weird to buy and sell. I own an 18x24" Starrett Crystal Pink plate in excellent condition. A few years ago I decided to sell it. I advertised it on CL for about a year. I started...
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    2,074

    In Botswana is an amazing place called Okavango...

    In Botswana is an amazing place called Okavango Delta. I was there a few months ago and one of the locals pointed out a big thorny shrub. He told us it was thorn acacia, and that the thorns were...
  5. Back in my freshman physics c3the prof told us...

    Back in my freshman physics c3the prof told us that there was once an experiment wherein subjects had glasses fitted with prisms which inverted the apparent image. Lo and behold after a few days...
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    818

    A 2MT taper doesn't have enough surface area to...

    A 2MT taper doesn't have enough surface area to withstand the cutting forces of a 2" drill into steel. Sorry.

    metalmagpie
  7. You did say Italian, right? Maybe you have to...

    You did say Italian, right? Maybe you have to disassemble the motor and release the pump from the inside.
  8. I have a Kondia mill. So far parts for a Sharp...

    I have a Kondia mill. So far parts for a Sharp mill have all fit fine.

    metalmagpie
  9. Replies
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    1,206

    I think the use model for a magnetizer is simple....

    I think the use model for a magnetizer is simple. Put item into area of max flux density. Energize. Done.
  10. Replies
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    1,206

    I found a cheap mag/demag unit. So when it shows...

    I found a cheap mag/demag unit. So when it shows up I'll get some more data points.

    metalmagpie
  11. Replies
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    1,206

    Mine held onto templates just fine - until I took...

    Mine held onto templates just fine - until I took it apart. And the Ultra-Graph is still in the ESAB product line. This particular machine is about the best of its type. It can turn on your torch,...
  12. Many motors have grease ports whose only purpose...

    Many motors have grease ports whose only purpose is to lubricate the bearing races so that they can slide when the rotor gets longer from heat. These motors should never have grease or oil pumped in...
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    727

    Want to sell it?

    Want to sell it?
  14. Replies
    8
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    727

    Wanna sell it?

    Wanna sell it?
  15. Replies
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    1,206

    Obviously I am no expert, but my reading has led...

    Obviously I am no expert, but my reading has led me to believe that many small motors are first assembled and then magnetized. Also, the remagnetizing force can be too small but not too large.
    ...
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    1,206

    I hate to post a link to a YT video but this one...

    I hate to post a link to a YT video but this one shows exactly the operation that I need done: YouTube
  17. Replies
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    1,206

    I am dead positive. I have several tracing lugs...

    I am dead positive. I have several tracing lugs of different diameters. The ingenious part of the motor design is the way the magnetic field is carried out of the end of the rotor through the tracing...
  18. Replies
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    1,206

    I sort of thought I could remagnetize it with it...

    I sort of thought I could remagnetize it with it fully assembled. No plans to remove the rotor ever again.

    metalmagpie
  19. Replies
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    1,206

    small DC motor lost some magnetism

    I have a pattern cutter (oxyacetylene). The torch moves as a speed-controlled DC motor turns. In the end of its rotor is snapped a knurled steel lug. The DC motor is permanent magnet type. Some of...
  20. Sure, an engine hoist isn't the most elegant...

    Sure, an engine hoist isn't the most elegant lifter. But your C frame chuck hook is pure genius.

    metalmagpie
  21. Replies
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    18,856

    I was in a guy's shop who made every Washington...

    I was in a guy's shop who made every Washington State Patrol badge for over 100 years. They used huge drop forges.

    4 tons? No way in the world.
  22. Replies
    15
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    1,079

    I used to make stainless cable stair railing...

    I used to make stainless cable stair railing stanchions out of square tube. Lots of angle drilling. Any method that took too long was out. In the end I used short solid carbide drills and a...
  23. Short piece of rope and learn to tie a hitch...

    Short piece of rope and learn to tie a hitch knot? Or wire and a pair of dykes?
  24. Replies
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    What if you cut off most of the flures of an HSS...

    What if you cut off most of the flures of an HSS drill and then ground the tip to 90 degrees, thinning the web as needed? Should be easy if you own a drill grinder.
  25. Several reputable punch vendors sell these for...

    Several reputable punch vendors sell these for about $14. So buying them on ebay for full retail price is not IMO a sensible thing to do. That's why I asked for surplus. Thanks for the tips.
    ...
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