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Type: Posts; User: Jim Dawson

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  1. Replies
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    Re: Anilam 3 axis Mill Y axis Lag over Max

    Blown fuse?
    Failed encoder?
  2. Re: Replacing a Manual Pulse Generator with a PLC.

    Forget the MPG, not needed. There are 2 inputs on each stepper driver: 1 Step bit, and 2 Direction bit. Both are digital inputs. You can run these with 6 outputs from the PLC for 3 axes.

    If...
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    402

    Re: Need help with euro conversion

    I used 1.5:1 on mine. Been working fine for years. 2:1 loses too much torque, 1.5:1 is about right and gives you a good speed range. I run mine at about 10 to 90 Hz.
  4. Re: Re-purposing surplus servo and spindle motors is it possible?

    I can answer this one, having done it. I ran my lathe spindle with the same motor and a VFD for a few years until I upgraded to a servo motor. I just bought a sensorless vector capable VFD of...
  5. Re: Bonding V- Across Various Power Supplies

    I normally bond all of the V- wires to panel ground. The exception to this is a non transformer isolated direct rectified line voltage servo power supply, grounding the V- on this would be a dead...
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    Re: Bridgeport boring issues

    Rather than run a Bore operation, make the same cut with a Contour operation with the Ramp check box checked on the Linking tab. Around a 2 degree ramp. Should give you about the same tool path,...
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    Re: Machining weird fillets

    You might try a 3D 'morphed spiral' and the 1/8 bit.
  8. Replies
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    1,214

    Re: Onlinestepper T6 Servo on Bridgeport

    The Onlinestepper T6 Servos seem to be step & direction only, so you should be able to use the same control as you were using for your steppers.

    Do's
    Follow the instructions in the documentation...
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    1,478

    Re: Bridgeport boring issues

    Normally torque mode works well.
  10. Replies
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    Re: Bridgeport boring issues

    Install the motors on the machine.
    Mount the drives in your electrical cabinet
    Wire the drives to the motors, power, and your controller per the documentation supplied with the servo system...
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    Re: Bridgeport boring issues

    Servos are good :)
  12. Re: Bridgeport Knee Mill Stepper to servo upgrade

    What Craig said
  13. Re: Bridgeport Knee Mill Stepper to servo upgrade

    0.75kW or 1kW servos would be my choice. Much better than closed loop steppers.
  14. Replies
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    Re: Bridgeport boring issues

    I think this might be your problem

    N50 G1 Z2. F3177

    Try setting F = 300

    I'm surprised your machine is not walking across the floor at 3177

    From the post format, it looks to me like you...
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    Re: Bridgeport boring issues

    There are so many possibilities here it is difficult to know where to start. And I am just guessing here due to the limited information provided

    Mechanical
    Backlash or binding
    Overloading the...
  16. Re: Baldor TSD DC Servo Drive replacment... something newer???

    I think Karl may have hit on the over current issue. The acceleration might be a bit high. On the other hand, I understand that hard acceleration makes for better cuts in a plasma system, so...
  17. Re: Should there be a voltage across the inputs and outputs of a transformer?

    The mill motor runs on 230V, 3 phase. Input to the transformer would be 230V and output would be 115V. You would not measure across the input to the output.

    Has this mill been running or is this...
  18. Replies
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    1,872

    Re: How to remove Helix milling?

    Assuming you are using Fusion 360, uncheck Ramp on the Linking tab for that operation
  19. Re: Galil DMC Controller with Baldor TSD Servo Drive --- Wiring Help

    You may have a problem there. It looks like the +/-10V input needs to be a differential input, the Galil only outputs a single ended +/- 10V command signal, with a differential signal as a factory...
  20. Re: How do I Orient the A-axis to follow a Path?

    I think you want the camera to maintain an angle of 0° to the vector angle of the X and Y axes. That should keep the camera pointed in the right direction.

    The The G code command would look...
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    Re: AC servo recomendations

    My current prefered vendor of servo systems is Automation Direct. They carry both the SureServo2 (Delta) line, and the slightly less expensive LS Electric servos line.
    ...
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    Re: 12 axis cnc software

    One thing you have not told us is the type of machine. Is this a turning machine, milling machine, mill/turn, or some other type of machine? There are many control options available, but it depends...
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    Re: Bridgeport Knee Mill Labor Quote

    For a complete rebuild the price seems OK. Labor is expensive and this is a time consuming job. It really depends on what condition your machine is in.

    But that is not the route I would take. ...
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    Re: 12 axis cnc software

    In the hobby class controllers, I think only Dynomotion has a 16 axis board. https://www.dynomotion.com/Kogna.html

    Max for the others is 6 axis I think
  25. Re: Can I control a Fanuc servo drive with 3rd party controller?

    It depends on the exact red cap spindle motor. Look at the data tag, if it does not say 'Exite Perm Magnet' and 'AC Servo Motor' then it is most likely a standard(ish) 3 phase induction motor, and...
  26. Re: Can I control a Fanuc servo drive with 3rd party controller?

    I researched this possibility and concluded it was more cost effective to remove everything from my machine that said Fanuc on it, and replace it with new controls and servos. Depending on the Fanuc...
  27. Re: Attempting to Upgrade Computer any help would be appriciated.

    That error would indicate that there is communication with the Galil.

    I don't have any experience with CamSoft, but about 25 years experience with Galil products.
  28. Re: Newbee "**** happens when your party naked"

    I'm going to go out on a limb here and guess that your fixture offsets are not correct.
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    Re: Horizontal / 90-degree machine or adapter

    I assume you are machining electrical enclosures.

    There have been times I wished I had a horizontal machine to make the cutouts on the sides. The most economical way you can make those side...
  30. Re: Measuring an Internal Spherical Diameter

    I guess I would use a snap gauge or a dial bore gauge.
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