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Type: Posts; User: 4040peters

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  1. Replies
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    A machinist can make a part from a drawing. A...

    A machinist can make a part from a drawing. A toolmaker can make that same part but also make it closer, faster, and work. They can also make or invent the special tooling and work holding that might...
  2. That's an excellent machine if it has been taken...

    That's an excellent machine if it has been taken care of. I just bought a 40" DoAll-Romi 13-5 myself. Worked with and on them for 30 years. They are well made and will maintain accuracy even after...
  3. 163069I used DoAll/Romi lathes for almost 30...

    163069I used DoAll/Romi lathes for almost 30 years. I did all the maintenance and repairs and love the machines for their utility and accuracy.

    As for the pump oiler, The check valve may be stuck...
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    Your machine has a 42" table with a 30" travel,...

    Your machine has a 42" table with a 30" travel, 27 1/2" if there is a power feed. For the "Z" axis Newall Spherosyn scales are available stock in 26", 28" and 32" travel. Add 10.2" for the actual...
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    Table travel for a 42" mill is 30". If you buy a...

    Table travel for a 42" mill is 30". If you buy a Newall DRO as a kit, the scales should already be sized for your machine. Newall has kits for both knee and quill "Z" axis but adding a readout scale...
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    The adjustment for the feed trip is the long set...

    The adjustment for the feed trip is the long set screw and jam nut in the Feed Trip Lever. The Feed Trip Lever is in the slot in the lower part of the casting that supports the Micro-Screw Quill...
  7. I'm just commenting on the metal and using it. ...

    I'm just commenting on the metal and using it.

    I have worked extensively with 17-4PH (precipitate hardening} steel to made prototype and actual surgical tools and instruments, face mills, and...
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    One solution may be that the spline on the...

    One solution may be that the spline on the spindle is twisted. The twist usually occurs in one area at the top of the travel so when you get past it the quill travel appears to straighten out. This...
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    It's not the tailstock, taper, drill chuck, or...

    It's not the tailstock, taper, drill chuck, or drill, brass and bronze have a tendency to suck twist drills in. Your drill need to have small negative rake stoned on the lead cutting edge. Larger...
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    Woke up in the middle of the night with the...

    Woke up in the middle of the night with the solution to that days problem of why a prototype didn't work. In a dream, I assembled the prototype and when I got to a certain part woke bolt upright with...
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    We used a master level whenever we leveled lathes...

    We used a master level whenever we leveled lathes and I used the same level on our Bridgeports. The level on a combination square just wasn't fine enough for some of the work we did. We had very...
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    I worked in a shop with 14 Bridgeport mills....

    I worked in a shop with 14 Bridgeport mills. Whenever I had to remove or replace the head I fashioned a couple of simple tools to make the job easy. First, you need to be able to stand the head up...
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    This happened on some of our more worn machines...

    This happened on some of our more worn machines if the quill stop screw had a worn snap ring screw or snap ring. If the snap ring groove is worn so the snap ring keeps popping off, machine the groove...
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