What's new

Recent content by MCritchley

  1. M

    Vertical CNC Router, Running a 20lb Aggregate Head

    Thanks, that is clever. If I was in this situation I’d make my own floating head but much lighter.
  2. M

    Vertical CNC Router, Running a 20lb Aggregate Head

    Could you please explain what a HSD Floating head aggregate tool is? Does it vibrate?
  3. M

    Helical Lens finisher

    Has anyone seen a lens form cutter smaller than Emuge's 4 mm Dia? I could really use a 3 mm or 1/8 for an upcoming Molybdenum job.
  4. M

    Remington Arms Auction, Ilion, New York

    Not a robot in sight. I read about the M-1 Garand receiver having 40 separate milling operations, Remington must have been doing it the same old inaccurate way.
  5. M

    How do I machine a tapered point on small stainless steel capillaries?

    I’d ask Vita needle to do the job. I’ve had them do custom work, great outfit to deal with. I think you could also get through the job with a royal master center less grinder. Hypodermic points are simply ground in a few passes.
  6. M

    Machining thicker carbon fiber ring shapes

    Study how composite boats are built, foam core sandwich and tabbing. Use the carbon’s strength to your advantage and mold parts that move the load path away from your joints. Also to note, normal west systems resin is too brittle for secondary bonds. You’ll want to use a rubber toughened epoxy.
  7. M

    0t--Russian mobile rail machine shops--WW1

    The wood shop at 2:37 is cool, the axe on the floor did most of the roughing work. It looks like they are making a wing rib and to the left it looks like a prop is getting re-glued. At 4:00 you can see a compass plane that looks like it was shaping a landing skid. landing skids and struts were...
  8. M

    Buying a Mastercam Seat

    I don’t think the OP talked about buying ten machining centers nor scaling so he could expand. It sounds like he wants an after hours gig to make some extra cash. We have all read the threads about the guy who wants to put a machining center in his garage to make parts for extra income. What...
  9. M

    Modern equivalent to 1020 steel

    A-36 replaced 1020 as a common grade run of the mill steel. Before steel recycling became widespread 1020 was very common 1020 is not that uncommon in plate, Alro had the 10" plate we needed. Round bar is out there.
  10. M

    Buying a Mastercam Seat

    Just a thought- if you spent the 15 k on Mastercam and 5k on a computer and can bill $100-150 an hour, you will be light years ahead in profit margin then the person that owns the spindle.
  11. M

    haas new controller vs prototrack RMX

    I think the Tsugami lathes have a tracking feature. The first place ive seen it was on a CNC spring making machine.
  12. M

    support points for flatness inspection on surface plate

    I perform the same inspection task you are talking about often. I use three 2” long square gauge blocks. I will move the blocks around under the part to find the average deviation. I used eBay as a source for the blocks.
  13. M

    Highest accuracy VMC brands?

    Look into Mitsui Seki, or Yasda. I spoke with a Yasda sales guy that mentioned they were milling to a few microns on silicon mold shut off's all day. They did have in machine probing so it was a closed loop system. You could probably do it on a lesser machine with glass scales and develop a...
  14. M

    lathe recommendation needed for micron accuracy

    You can get an air gauge that will measure a tapered bore, it will be custom. https://westportcorp.com/blogs/air-gages/flexibility-of-air-gaging
  15. M

    Broaching vendor wanted

    I spoke with Ohio broach and the part was not a good fit for broaching. They were helpful and did a few calculations to determine the required root cross section would be too weak for the amount of material to be removed.
Back
Top