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taperlength

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Everything posted by taperlength

  1. taperlength
    Get a Citizen with LFV (low frequency vibration). It breaks chips on every rotation.
  2. taperlength
    For a UNJC thread make it the max minor hole diameter, .094 inch. Another trick is to run progressively bigger passes, starting .001 higher each time so its cutting on one side like a lathe threading tool.
  3. taperlength
    Is it a right hand or left hand end mill ?
  4. taperlength
    You could edit in a M99 Pnnnn line after the tool change and Z rapid move to jump to line nnnn. Just remember to edit it out afterwards
  5. taperlength
    Did that years ago by turning the area to be stripped .010 higher and cutting it off the coating with a PCD tool
  6. taperlength
    I have a set of these attachments for calipers. With some practice, they will measure inside grooves to +/-.001 Just calibrate them on a ring gage or just a micrometer set for the groove diameter. I set the dial or digital readout to Zero at the nominal diameter.
  7. taperlength
    Thanks Daniel, lots of good info in that document JLW, we are programming with the included conversational software at the machine, so not much macro knowledge on this control. Newbee, we have a tech coming soon from Siemens, I will ask him what is known about it. Hand changing tools on a cnc lathe is kinda weird, but it does allow some long boring bars to be used and then removed to be out of the way.
  8. taperlength
    My book on geometric tolerancing says that if coaxiality is the prime consideration, then a Concentricity callout is preferable to a True Position. The same MMC can be applied to both the feature and the datum.
  9. taperlength
    I have a toolroom type CNC lathe with a Siemens 828d control on it. The control only has 8 active tool offsets possible. However, the tools are hand changed on an Aloris type toolpost, so I could have way more than 8 tools for a job. So the question is; how to change the number of active tool offsets? I'm sure this control is also used on lathes with larger tool turrets than only 8. Any info or links welcome
  10. taperlength
    Looks similar to the Variaxis J-500-5X only the trunnion tilts the other way. If I won the lottery, I would put one in my garage.
  11. taperlength
    Used to turn 15-5 on an Okuma years ago. Nowhere near that long though. Nice feature on the Okuma is the LAP cycle can be modified with decreased depth of cut and/or feedrate depending on the diameter. So it can start roughing with heavy cuts and then at specified diameters, reduce the DOC and/or feedrate. As I recall it is a G84 line after the G85 line and before the G81 line.
  12. taperlength
    I use Sterling. They will make it for the material you are drilling.
  13. taperlength
    Try a different mouse?
  14. taperlength
    Page 5 in this pdf; http://www.commandtool.com/assets/uploads/general/U_Class_Flyers/URMA_Boring_Head_Kits.pdf
  15. taperlength
    I had a similar situation recently and copied the existing library, renumbered the tools and then made a cheat sheet showing showing the new tool numbers next to the old numbers. Changing the tool numbers on the Robodrill if even possible, would be confusing to the operator because the numbers are on the magazine right above the spindle. The machine uses a 30 taper spindle so its not going to be sharing the actual tools with other machines any way.
  16. taperlength
    What happens if a file done on Mill 3D is opened on a computer with only Mill ?
  17. taperlength
    Do they sell Doosan there? It's a popular brand here and I've never had any problems with it.
  18. taperlength
    Here is a tip. Most common causes of broken taps are from drilling undersize or not deep enough or chips getting into the holes. Before tapping the first time, check the hole diameter and depth with gage pins. For roll taps it MUST be the nominal size to the depth the tap is going.
  19. taperlength
    What size end mills are you using? I assume the large end of the blank is held at the 4th axis and the small end with a center?
  20. taperlength
    Yes, it looks like MC is not interpreting the step file correctly. Does Seco have DXF files for import? Might work better to create a tool from a line drawing.
  21. taperlength
    https://youtu.be/uEiRE1YVCq8?t=11m48s
  22. taperlength
    Ok, I will work on that.
  23. taperlength
    They are used on toe clamps, under the bolt in the slot.
  24. taperlength
    One of the tools is doing several operations in a row and I want it to go home and option stop between each task. So I checked the box for Force Tool Change. The output is: M09 G91 G28 Z0 M6 M01 So the machine alarms because there is an M6 with no tool specified. Should not be an M6 at all, because it's just a dummy tool change.
  25. taperlength
    In the 1980's (gasp), I used to run a G&L machining center that had a hole skip button on the pendant. Great feature, just push the button when the spindle was at an existing hole and it would skip it and go to the next one. Nowadays, I edit the program lines with an "L0", which means don't drill at this position. Just remember to remove all the L0's afterwards!

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