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  1. David Morrow

    Lathe cutting tool sharpening jig - home made

    Just change the grid in your CAD program from Ortho to Polar and draw the lines that way. Snap to grid as required.
  2. David Morrow

    DIY / Hybrid lathe build

    The channel down the center goes right down to the bench top so it's a proverbial bottomless pit. And don't forget that with this being a Sherline based machine, it won't be capable of producing the sort of chip volume that would ever cause a problem.
  3. David Morrow

    DIY / Hybrid lathe build

    My lead screws just arrived so I have some more work to do now. With those machined and installed, I will be able to fire it up and take it for a test drive. Then I'll be able to see what works, what doesn't, what I like and what I don't. More refinements will undoubtedly follow.
  4. David Morrow

    DIY / Hybrid lathe build

    I really didn't need another lathe. I already had three. But, I did want a small lathe that I didn't have to stand up to use. I have a Sherline and it's just fine but I wanted something else with a bit more mass and a few other improvements. ( Improvements are in the eye of the beholder in this...
  5. David Morrow

    Anyone here with an old ( 1930's - 1950's) Atlas lathe ?

    Sold... or at least, a new home. Thanks for looking.
  6. David Morrow

    Anyone here with an old ( 1930's - 1950's) Atlas lathe ?

    If you have an old Atlas lathe like a 618, I have an old manual that may be of interest to you. The title is "Manual Of Lathe Operation And Machinists Tables." The last reprinted date inside says 1954. It doesn't appear to be specific to a 618 but that size lathe seems to be featured...
  7. David Morrow

    Milling Sherline sized T-slots - bit of help required

    Thanks for all of the suggestions. After reading and considering them, I think I have a Plan B. I replaced the X and Y axes on my old Sherline mill with parts from A2Z CNC several years ago. I think I will use the old Sherline X axis. I'll cut it to length and mill the dovetails off the back...
  8. David Morrow

    Milling Sherline sized T-slots - bit of help required

    I've tried those as well and while some are close in size, all of these cutters seem to be disproportionately expensive for cutting 2 x 7.00 inch long slots. I'm starting to look to alternatives.
  9. David Morrow

    Milling Sherline sized T-slots - bit of help required

    Thanks for those links. I suspect that you're correct - those small sizes really are into the specialty range and the prices show it.
  10. David Morrow

    Milling Sherline sized T-slots - bit of help required

    Peter, I think you're thinking of the T-nuts. I need to mill the T-Slots. But you're correct on the 10-32 ; Sherline uses 10-32 threads on almost everything.
  11. David Morrow

    Milling Sherline sized T-slots - bit of help required

    I'd like to make a new Sherline lathe cross slide and that will require milling a pair of T-slots. I would have thought this would have been pretty straight forward but, the Sherline T-slot seems to be at the smallest end of the T-slot world so cutters do not seem to be readily available. I...
  12. David Morrow

    American Precison Museum in Vermont -anyone been ?

    I'm heading home to Vancouver from Newfoundland & Labrador. I was planning a route west towards Burlington from Bar Harbor. I avoid interstates at all cost so no to I-91 thanks. I've ridden Vermont many times so if you have any other suggestions, I'm all ears.
  13. David Morrow

    American Precison Museum in Vermont -anyone been ?

    I'm taking another motorcycle trip eastbound this summer and plan to pass through Vermont. A quick google and I found the American Precision Museum (APM). A little more googling for images showed that this appears to be well worth a detour from my route. https://www.americanprecision.org/ Has...
  14. David Morrow

    cnc router plans and recomendations

    This could be a very long discussion via the forum. If you would prefer, email me : cnc AT ldrider.ca One item of note; I designed this router so that the size could be adjusted to just about whatever is needed ( within reason ). The only parts that would need to change if scaled up or down...
  15. David Morrow

    cnc router plans and recomendations

    I just finished a router build with an X-Y work envelope of about 19 x 39 inches. It's my own design and build. I had built a slightly smaller one ( X-Y of 16 x 20 inches ) two years prior and this was meant to make some design improvements and give me a bit bigger cutting envelope. The frame is...
  16. David Morrow

    Hand Tapper pricing - Buyer beware

    Not too sure what you mean. But, the purpose of my post was for those who have already made a decision to buy, to check around on pricing.
  17. David Morrow

    Hand Tapper pricing - Buyer beware

    After tapping 170 holes in my new tooling plate, I decided that my hand tapping machine could be a little better. All I really need was a proper collet set but a more robust machine wouldn't hurt. A tapping head is out because I almost never tap more than a 5 - 10 holes at once. I watched a...
  18. David Morrow

    Gear suppliers in Oz.

    Have you considered any hobby CNC people in your area ? Besides my engine projects, I also make clocks and cutting gears is dead easy with CNC. I use my Sherline CNC or my home-designed CNC router to cut brass parts - the router is actually better. There are two reasonably priced gear programs...
  19. David Morrow

    Milling Stainless Steel on a Sherline Mill

    Here's my mill, at least the way it looked a few years ago.... http://ldrider.ca/cnc/sherlinebase/sherlinebase.htm It's a bit of a hybrid having removed the stock base and made my own from 1" plate steel plus a new column. I'm also using Mach3 and Sheetcam although I should update them both...
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