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Type: Posts; User: rodjava

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  1. Precision Matthews PM-940 CNC with LOTS of extra tooling for sale - $10,000

    Precision Matthews PM-940 CNC with LOTS of extra tooling for sale.
    I am a self taught, home shop machinist. Everything I buy from my shop is top of the line.
    If you want a COMPLETE CNC milling...
  2. Re: Need help to modify gcode so spindle does not turn off at the end of the cycle

    Thanks everybody who chimed in.
    The job was to drill a 9/32 through hole down the center of a 1/2-13 x 3/4 hex bolt which are M8 hardness.
    Since there are 500 pieces, I thought I could save wear...
  3. Need help to modify gcode so spindle does not turn off at the end of the cycle

    Hi,
    I have a repetitive job on my cnc mill.
    The code from Fusions stops the spindle at the end of the cycle.
    I would like to keep the spindle running at the end of the cycle while I swap out parts...
  4. My DIY power drawbar for the PM940 CNC VS No air needed

    Take a look at my DIY power drawbar for the PM 940 CNC VS. I already had a Milwaukee right angle impact tool which I used for the drawbar. I can get quite a few tool changes on a single charge. There...
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    Ebay buyer beware of cncmachinesupply

    Hello, membership.
    I may have exposed this Ebay seller named cncmachinesupply of possible bait and switch tactics, and they blocked me from further sales.

    I was shopping for some Kurt soft jaws...
  6. Feedback requested on CncMasters Max cnc, Novokon Pulsar or Precision Mathews PM-940

    I'm researching different bench type cnc mills.and narrowed it down to 3 models.
    If anybody has any information pro and con about the 3 mills, please comment.
    If you know of similar cnc mills that...
  7. Ben, First, thanks for your help with this. ...

    Ben,
    First, thanks for your help with this.

    I calculated the x and y steps per unit using the mach3 feature. My ball screws were a ebay purchase, so I dont know the exact pitch or threads per...
  8. Please calculate my backlash distance based on the dims on the circle in this pic

    Hi,
    I just a bit confused why my circles are still not round after using a test indicator to find my backlash.
    Right now it is .003 for x and .002 for y and this is what I entered into Mach3.

    I...
  9. Ger, I never thought to look into the Toolpath...

    Ger,
    I never thought to look into the Toolpath tiling feature. Didn't know it existed.
    Sorry for the double post. I would have posted to the Vectric forum first, but my new registration to the...
  10. How to slice large carving on an medium size table?

    HI,
    My cutting area is only 24x40 and I have a carving that is 36x36inches.

    I purchased a complete 3d model from VectorArt3d.com that can be scaled to my desired size.

    Is there anyway that I...
  11. Gerry, You are right about the 189 inches per...

    Gerry,

    You are right about the 189 inches per minute. I was setting it at 80 mm/sec in Aspire and thought I was cutting at 80 inches per minute. Both ipm and mm/ses translates to the same speeds....
  12. HI Gerry, First of all, thank you in advance for...

    HI Gerry,
    First of all, thank you in advance for your assistance.
    Here is the small segment of the tool path I mentioned.
    Any help to explain how I can manage the rapids would be appreciated.
    ...
  13. Gerry, I can post the gcode later today. Thanks...

    Gerry,
    I can post the gcode later today.
    Thanks in advance for your help.
    Rod
  14. Faster rapids after cutting multiple straight tool paths

    Hi,
    We are cutting 100 straight tools paths that are 24" long in plexiglass. The material is .500 and I am routing down to .400 with a 1.00 dia 90 degree v bit. Cutting speed is 80 ipm.

    Without...
  15. I just heard from the guy with the Youtube vid. ...

    I just heard from the guy with the Youtube vid.

    He thanked me for my comment and said that he built it himself! Too bad. I would have considered buying one for Xmas.

    Rod
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    No problem. BTW, my mailbox is now empty. Rod

    No problem. BTW, my mailbox is now empty.
    Rod
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    pm sent

    pm sent
  18. Very interesting cnc mill/router on youtube. Anybody know anything about it?

    W1000 8mm End Mill - YouTube

    Hammer W1000 is what is on the side of the amazing machine. Google search brings up nothing. I think the poster is from Hungry

    Anybody know anything about this...
  19. Hi robotex, It's almost 2 years since I...

    Hi robotex,
    It's almost 2 years since I installed the complete DMM servo kit. All I can tell you is that it works. Once installed correctly, you don't have to worry about it. The guys at DMM are...
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    Thanks to everybody who chimed in so far. Lots...

    Thanks to everybody who chimed in so far. Lots of great ideas. I will give all of them a try a make a attempt to report back.

    Rod
  21. Thread: DMM Tec Servos

    by rodjava
    Replies
    421
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    59,005

    Mactec, Thats a good lucking enclosure you have...

    Mactec,
    Thats a good lucking enclosure you have there. Nice and neat. A real "made in the USA" finish. If my hands, fingers and thumbs weren't so big, I might have used a smaller case. Yes, as I now...
  22. Thread: DMM Tec Servos

    by rodjava
    Replies
    421
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    59,005

    Al, Good point. I'm glad I went overboard with...

    Al,
    Good point.
    I'm glad I went overboard with the size and cfm of my fan. It's powerful enough to blow a little boy away if standing too close.
    Rod
  23. Thread: DMM Tec Servos

    by rodjava
    Replies
    421
    Views
    59,005

    Azam, Look right above the far left power supply...

    Azam,
    Look right above the far left power supply and you will see a terminal block where all the wires from the 3 power supplys tie into. This terminal block distributes the power. I may have miss...
  24. Thread: DMM Tec Servos

    by rodjava
    Replies
    421
    Views
    59,005

    Azam, The metal mounting plate came with the...

    Azam,
    The metal mounting plate came with the enclosure. I used a dremel tool to cut out a circle for the fan on the door. The fan was wired to the terminal block which came from the 3 power...
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    What spray for MDF to make it non-porus?

    I want to make a "one of" vacuum clamp made from MDF. I don't want to use any of my HDPE material for this up coming job

    I read somewhere that some type of spray or coating can be used on the MDF...
  26. Thread: DMM Tec Servos

    by rodjava
    Replies
    421
    Views
    59,005

    Here is a picture of my electronic enclosure for...

    Here is a picture of my electronic enclosure for all of my DMM components.
    I bought the enclosure on Ebay and its 20x24x7". You should always plan on having extra space to add a 4th axis. As you...
  27. Has any used Raptor nails to hold down materials like in this video?

    I saw this video and wanted to know if anybody has any experience with Raptor nails. Good or Bad. I did a search on the zone but did find anything.

    RAPTOR for CNC.mov - YouTube

    It seams like a...
  28. Thanks Gerry, I really meant to say "as slow as...

    Thanks Gerry,
    I really meant to say "as slow as 20ipm"...........

    I guess the mister I just bought was for not and a shot of wd40 now and then would have been enough.

    I can always transfer the...
  29. I watch lots of videos of cutting AL without coolant. Is it reallty necessary?

    Like the title says,
    I've watch many videos of cnc routers cutting AL without any type of coolant. Wood routers and high end spindles were used and the cuts appear to be just fine with out using ...
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    Sticky: Thank you to whom ever uploaded the corpo...

    Thank you to whom ever uploaded the corpo human.dxf.
    It will be prefect for Halloween this year.

    Only issue is have is that I didn't go to medical school or have watched enough episodes of...
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