OPENBUILDS Spindle Kit User Guide

Spindle Kit

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Product Specifications

• Compatibility: CNC Machines via PWM
• Control Modes: Automatic and Manual
• Voltage: 110v or 220v
• Includes: VFD, Spindle Cable, Control Cable, Collets, Collet
  Nut, Wrenches, Power Cable

Product Usage Instructions

Manual Mode

To run your spindle in manual mode:

1. Flip the Manual Override switch up or 1 to enable VFD Keypad
   controls.

2. Use the Run/Stop button and Potentiometer dial on the VFD to
   control the motor.

Automatic Mode

To control your spindle via g-code and your CNC machine’s
controller:

1. Ensure the Manual Override switch is in the automatic
   position.

2. Follow the instructions provided by your CNC machine’s
   controller for spindle operation.

Installation Guide

Identify and connect the components of the spindle kit:

1. Connect the Spindle Cable from the motor to the VFD.

2. Connect the Control Cable from the VFD to your CNC machine’s
   controller.

3. Mount the collet and nut onto the motor shaft using the
   provided wrenches.

4. Plug in the appropriate Power Cable based on your voltage
   requirement.

Immediate Testing

If you wish to test the spindle kit before installation:

1. Connect Power and Spindle cables to the VFD and motor.

2. Flip ON the VFD power switch, set Manual Override to
   Manual.

3. Press the green Run button on the VFD and adjust RPM using the
   dial.

4. Press the red Stop/Reset button to end the test.

Frequently Asked Questions (FAQ)

Q: Can I use this spindle kit with any brand of CNC

machine?

A: Yes, the spindle kit is compatible with many different brands
and models of CNC machines. Ensure proper installation and
configuration for optimal performance.

Q: What should I do if I encounter issues during installation

or operation?

A: If you have any questions or face difficulties, please reach
out to us at support@pwncnc.com for assistance.

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Controller Guide
Applies to:
CNC Machines via PWM
Your new Spindle Kit is fully programmed for automatic control but also has a “Manual Override” switch which lets you run your spindle in manual mode via the VFD’s keypad controls.
If you’d like to run your spindle in manual mode, flip the “Manual Override” switch up or “1” to enable VFD Keypad controls. Then use the Run/Stop and Potentiometer dial on the front of your VFD to run your motor.
If you’d like to automatically control your spindle via g-code and your CNC machines’ controller, perform the following:
In your Computer Aided Machining (CAM) software, you’ll need to change max RPM in your GRBL settings to $30=24000. Above the phoenix connector is an adjustment knob. Then command 24k RPM by typing M3S24000 into your MIDI/MDI input and execute. You may need to tune your output with a Philips screwdriver in the 0-10v adj potentiometer. Using a multimeter by touching the black lead to the ground, and red lead to the 0-10v pin, adjust the potentiometer to read 10v. Type M5 and hit enter to stop the voltage from being sent into your MDI/MIDI screen. After that is complete, screw the red PWM wire into the 0-10v, and black wire into the neighboring gnd port of the phoenix connector. Ensure your Computer Aided Design software has tool data and RPM speeds input. To test your connection, type M3S6000 into your MDI/MIDI and your spindle should spin up to 6000 RPM (there maybe some fluctuation. It is normal) M5 to stop.
If you have any questions, reach out to us at support@pwncnc.com

Quick Start Guide
We’ve poured all our knowledge and experience into this high-quality product capable of being used with many different brands and models of CNC machines. Installation is very easy but it does help to identify each of the parts of our kit so you can understand the terminology in documentation.

Our enclosed vfd (left) is the heart of our spindle kit and allows you to control the motor (right).

• Your motor may be different than pictured here, however all enclosed VFD’s will look like this. (Water Cooled Shown)

The Spindle cable (left) links the above motor (upper-right) to the VFD (upper-left).
The Control cable (right) links the VFD (upper-left) to your CNC’s controller.

• The spindle cable may have different end than pictured to match your configuration (H20 shown)

We include the most common collet sizes and a collet nut (left). These snap together and mount onto the end of shaft of the motor
(upper-right) using the included wrenches (right).

• Collets, Nuts and Wrenches – sizes may vary.

Lastly you’ll find a power cable (left) which is either 110v or 220v depending on your order.

• 220v shown

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  Immediate Testing… If you’d like to test your spindle kit prior to installation. Connect the Power and Spindle cables to your enclosed VFD and plug the other end of the Spindle cable into your motor (do not install collet or nut for this test). Flip ON the VFD’s p2o0w22e-r0s6w-0it8ch, flip the “Manual Override” switch to Manual, then press the green Run button on the fro1nt. Lastly turn the dial to adjust the spindle RPMs. Press the red Stop/Reset button to stop the test.

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