Tormach MICROARC 4 User manual

TECHNICAL DOCUMENT Version 0721A

OWNER'S GUIDE

MICROARC 4 - 100 MM 4TH AXIS

Page 1

PURPOSE

LOOKING FOR A VIDEO?

Before you begin, select the image below to watch a walk-through video of this entire installation

procedure.

TABLE OF CONTENTS

Purpose 2

Product Information 2

Install the A-Axis Driver 3

Install the PCNC 440 Driver and Wiring Kit (PN 38712) 3

Set Driver DIP Switches 4

Install the A-Axis Motor Driver 5

Configure PathPilot 10

Install the M/MX A-Axis Driver (PN38954) 11

Set the Driver DIP Switches 11

Install the A-Axis Motor Driver 11

Set Up the microARC 4 13

Required Tools 13

Install in Machine 13

Center the Chuck Mounting Plate 14

Maintenance 16

After the First Use 16

After Each Use 16

Once a Month 16

PURPOSE

This document gives instructions on installing and using microARC 4.

PRODUCT INFORMATION

Product: microARC 4 - 100 mm 4th Axis (PN 38412)

Page 2

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Specifications subject to change without notice.

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TD10749: Owner's Guide: microARC 4 - 100 mm 4th Axis (0721A)

INSTALL THE A-AXIS DRIVER

The installation of the A-axis driver varies depending on which machine you have. Do one of the following:

Install the PCNC 440 Driver and Wiring Kit (PN 38712) 3

Install the M/MX A-Axis Driver (PN38954) 11

Install the PCNC 440 Driver and Wiring Kit (PN 38712)

Complete the following steps in the order listed:

Set Driver DIP Switches 4

Install the A-Axis Motor Driver 5

Configure PathPilot 10

IMPORTANT! Even if you've already installed a 4th axis driver in your machine, you must set the DIP

switches as detailed in "Set Driver DIP Switches" (on the next page).

Page 3

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TD10749: Owner's Guide: microARC 4 - 100 mm 4th Axis (0721A)

INSTALL THE A-AXIS DRIVER

Set Driver DIP Switches

Set the DIP switches on the motor driver as detailed in the following table.

PCNC440 - microARC 4

Dip Switch Position

1 Off

2 Off

3 On

4 On

5 On

6 On

7 On

8 Off

9 (Top) Off

10 (Top) Off

Note: The stepper driver has two extra DIP switches on top labeled SW1 and SW2 for testing and

configuration. Make sure both are set to OFF.

Page 4

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Specifications subject to change without notice.

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TD10749: Owner's Guide: microARC 4 - 100 mm 4th Axis (0721A)

INSTALL THE A-AXIS DRIVER

Install the A-Axis Motor Driver

WARNING! Electrical Shock Hazard: You must power off the machine before making any electrical

connections. If you don't, there's a risk of electrocution or shock.

1. Power off the machine and the PathPilot controller.

a. Push in the machine's red Emergency Stop button, which removes power to motion control.

b. From the PathPilot interface, select Exit.

c. Turn the Main Disconnect switch to OFF on the side of the electrical cabinet.

2. Verify that you've correctly set the DIP switches on your stepper driver as detailed in "Set Driver DIP

Switches" (on the previous page).

3. Remove the electronics enclosure panel and the Z column cover on the rear of your machine.

4. Thread the two spade terminals on wires 200 and 201 through the Z column and connect them to V- (200)

and V+ (201).

Note: If you already have a SmartCool™ or an ATC installed, the 4th axis shares those terminals.

Page 5

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TD10749: Owner's Guide: microARC 4 - 100 mm 4th Axis (0721A)

INSTALL THE A-AXIS DRIVER

5. Remove the square knockout panel on the side of the cabinet and install the circular connector.

You will need to disconnect wires 320 through 323 from the green terminal block to feed them in from the

outside.

6. Reconnect the four wires (320 - 323) that you fed through the knockout to the 4th axis terminal block in the

order shown in the following image.

7. Using a flat blade screwdriver, unclip the 24V power supply from the DIN rail and tilt it out of the cabinet.

8. Connect the wire labeled 331 alongside the existing wire on the + output side of the 24V power supply.

Page 6

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TD10749: Owner's Guide: microARC 4 - 100 mm 4th Axis (0721A)

INSTALL THE A-AXIS DRIVER

9. Connect the wire labeled 330 alongside the existing wire labeled 330 on the - output side of the power

supply.

10. Gently tug on each of the power supply wires to verify that they're firmly seated in the terminals. Then, clip

the power supply back to the DIN rail.

11. Remove the empty green connector from OUT3 and OUT4 on the machine control board. You'll replace it

with the one supplied on your 4th axis wiring harness.

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TD10749: Owner's Guide: microARC 4 - 100 mm 4th Axis (0721A)

INSTALL THE A-AXIS DRIVER

12. Wires 343, 330, 342, and 330 are already preinstalled in a replacement connector, corresponding to

positions 3+, 3-, 4+, and 4- on the machine control board.

13. Install the connector on the machine control board.

14. Plug the remaining two 6-pin connectors into the 4th axis stepper driver.

Page 8

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TD10749: Owner's Guide: microARC 4 - 100 mm 4th Axis (0721A)

INSTALL THE A-AXIS DRIVER

15. Drill and tap two M4 holes with a 112 mm spacing on the back panel of the electrical cabinet to mount the

stepper driver.

16. Tuck all wires into wire troughs and reinstall the rear panels on the machine.

Page 9

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Specifications subject to change without notice.

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TD10749: Owner's Guide: microARC 4 - 100 mm 4th Axis (0721A)

INSTALL THE A-AXIS DRIVER

Configure PathPilot

You must verify that the PathPilot controller is updated to the latest version of PathPilot. This is because only

PathPilot v2.4.3 and later has settings required to use a microARC 4 configuration. For information, see the

PathPilot support center.

To configure PathPilot:

On the Settings tab, from the 4th Axis drop-down, select the size of the 4th axis that you have installed in

your machine.

Note: Once you change the axis scale, you may see a message indicating a Joint 3 following error.

If you do, select Reset, and the new axis will function as normal.

Page 10

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Specifications subject to change without notice.

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TD10749: Owner's Guide: microARC 4 - 100 mm 4th Axis (0721A)

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