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Type: Posts; User: mactec54

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  1. Re: Ball screw support bearing questions. Are $420 bearings necessary on this machine

    That would be a no if the Bearing where taped together as a set they are not factory packaged that way, there is nothing wrong with universal Ground they just cost more to make as you have 2 extra...
  2. Re: Having problems with tool offsets, machine will only work with them turned off

    That is not how it works at all, having it in the Header block does nothing at all unless it is associated with a tool offset yes it has been around for ever

    Here is some information on how it...
  3. Re: Ball screw support bearing questions. Are $420 bearings necessary on this machine

    Yes 25 degree is to light for a machine like yours
  4. Re: Ball screw support bearing questions. Are $420 bearings necessary on this machine

    That's totally Bs what some people will post is amazing :)
  5. Re: Having problems with tool offsets, machine will only work with them turned off

    It only has one function and is used with G43 H8 the H8 value in this case is Tool 8 what it cancels is the H8 value tool offset G43 activates the H value

    It serves no purpose, in the header...
  6. Re: Having problems with tool offsets, machine will only work with them turned off

    A G49 became a standard code back 30 years ago and is just a carry over from when it was need, when you had to hand code everything on single line controls, you had to know how to code, and what each...
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    Re: DYN 2 - Overheat, Overcurrent

    This is not a normal problem I have run there drives and motors for more than 8 years and they perform like the day they where installed, you may have an EMI problem that has caused this problem
    ...
  8. Re: Mach 4 running tool off the table at the start?

    Then in your program that has to have the same X0Y0 start point if it has not then the machine will go to where ever that is, as I said cut and paste the program here, and that will tell us if you...
  9. Re: Having problems with tool offsets, machine will only work with them turned off

    You never want to use a G49 in the Program Header
  10. Re: Having problems with tool offsets, machine will only work with them turned off

    Your problem is / was in your program N3 G91 G28 Z0 this will take the Z axis up to machine Zero ( Home in your case ) setup some soft limits this will help not to go all the way up to the limit,...
  11. Re: Mach 4 running tool off the table at the start?

    Have you homed the machine, and then done your work OFF Sets does your program match you X0Y0 machine start point post the start of your program you are having trouble with past it in a post
  12. Re: Boss 8 CNC retrofit and 5 HP upgrade - Build thread

    At higher speeds you can run smaller cutters which don't need very much torque to run them you can have the best of both high speed and low speed

    If you still have the Back Gear in place then...
  13. Re: Boss 8 CNC retrofit and 5 HP upgrade - Build thread

    The Spindle can run at much higher than 4200 I have run them at 12,000 RPM the main problem at higher speeds is the long splined shaft if it is not perfect which most are not then 6,000 is a safe...
  14. Re: HELP My old PC running XP has died and hope i can get the files off of the hard

    What computer was your XP running on, I have some new Intel mother boards that will run XP they are SE440BX-2 they support Pentium II Processors

    You can use Windows 10 with the UC100 this runs...
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    Re: Centroid Acorn experiences?

    Read what was posted (wedge)

    At the time I posted on this thread, there was no payed employees from centroid, or contractor's posting here, there where only users :)
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    Re: G28/G30 and move to zero do not work.

    How are you using them post your code you may not have it in the correct format
  17. Re: ATC Spindle Assembly using a Chinese BT30 Spindle Cartridge

    I did not say you could not use them Face to Face it is your choice and your uneducated knowledge with Bearings that you would use this configuration, most machining centers today use Bearings like...
  18. Re: Making Z axis not lift all the way up everytime.

    Post the main line of code and I will correct it for you here is an example in inch


    G73G98X1.Y1.Z-.200R.1Q0.1F8.

    G98 will act with R value when the cycle is finished and lift the Z axis up by...
  19. Re: ATC Spindle Assembly using a Chinese BT30 Spindle Cartridge

    The NSK Tac series Bearings come in DB/DF/DT and can be installed in any orientation you want, including Back to Back if you are smart you buy universal, it all depends on design and how you want the...
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    Re: haas mini mill alarm 160 and 119

    This is a very old thread, how are you powering your machine
  21. Re: Avid Z stage, Clearpath motor and a 22 pound Spindle. Z drops when powered off.

    You could make a clamp that is solenoid operated or use a spring loaded air cylinder to clamp it, the spring load would clamp the shaft and the air cylinder would open it on power up

    The Emco...
  22. Re: ATC Spindle Assembly using a Chinese BT30 Spindle Cartridge

    This is a ER16 build I did for a Zone member some years ago, but the ER16 part was only modified I did not make that part, but do make complete Spindles if I need to, as well as special Bearings when...
  23. Re: ATC Spindle Assembly using a Chinese BT30 Spindle Cartridge

    Face to Face and Back to Back AC Bearing mounting need the same precession for mounting, there is no alignment forgiveness not sure how you would come up with this Bs

    Back to Back DB is a superior...
  24. Re: ATC Spindle Assembly using a Chinese BT30 Spindle Cartridge

    I have used the Emco Head as a 4th axis and as a milling head and it works very well, I normally build my own spindles though, the Emco head I used was from a parts machine I had so is still in use...
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    Re: Knocking sound when plunging

    No the material of the cutter will not affect what you are doing, can you do a video of it make the noise, there are many thing that could be causing this

    If you look at how the end of the cutter...
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