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Tormach PCNC 1100 Series Technical Document

Power drawbar installation
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TECHNICAL DOCUMENT
PCNC 1100 Power Drawbar Installation
Product Identification: PCNC 1100 Power Drawbar (PN 31706)
Purpose: This document details installation of the Power Drawbar on the PCNC 1100 mill.
Qty. PCNC 1100 Power Drawbar
2
1/4 inch Plastic Tube: 112 mm
1
1/4-20 x 1 Screw w/ Flat Washer, Nut
2
105A Wire Labels
2
Air Fitting: Elbow
2
Air Fitting: T-connector
Cable Carrier End Bolt w/ Washer, Lock
1
Washer
1
Control Assembly
1
Cylinder Assembly
1
Drawbar
1
Drawbar Bushing
1
Eccentric Mounting Post
1
Leg Bracket
1
M6 x 25 mm Screw w/ Flat Washer
1
M6 x 45 mm Screw w/ Lock Washer
4
M16 Flat Washer
1
Pendant
1
Plastic Mount Tab
1
Sheet Metal Screw
1
Spanner Pin Wrench
1
Spindle Flange w/ Set Screw
8
Spring Washers
1
Thread Seal Tape
1
Wire Tie
NOTE: If any of these items are missing, contact Tormach
Customer Service for a replacement at (608) 849-8381.
©Tormach® 2017. All rights reserved.
Specifications subject to change without notice.
TD10039_PCNC1100_PowerDrawbar_0717A
PN
31457
31331
—
35924
35923
—
31470
31380
31320
31330
31316
31318
32371
31332
31445
31471
31460
31718
31118
31321
31319
—
31719
Page 1
TORMACH.COM

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Summary of Contents for Tormach PCNC 1100 Series

  • Page 1 Spring Washers 31319 Thread Seal Tape — Wire Tie 31719 NOTE: If any of these items are missing, contact Tormach Customer Service for a replacement at (608) 849-8381. ©Tormach® 2017. All rights reserved. Specifications subject to change without notice. TORMACH.COM TD10039_PCNC1100_PowerDrawbar_0717A...
  • Page 2 Electrical Requirements When Power Drawbar is used in combination with the Automatic Tool Changer (ATC), power is provided internally. Otherwise, the unit’s power requirements are 115-230 Vac. ©Tormach® 2017. All rights reserved. Tormach, Inc. Specifications subject to change without notice.
  • Page 3 Elbow connector When complete, make sure your power drawbar cylinder matches Figure 3. 5. Identify two 112 mm 1/4 inch Plastic Tubes included with this kit. ©Tormach® 2017. All rights reserved. Tormach, Inc. Specifications subject to change without notice.

  • Page 4: Power Off/On Procedure

    3. Remove and discard the existing spindle lock, spring, spacers, pin, and fasteners that are indicated by white dots in Figure 4. Figure 4 ©Tormach® 2017. All rights reserved. Tormach, Inc. Specifications subject to change without notice. P: 608.849.8381 / F: 209.885.4534 TD10039_PCNC1100_PowerDrawbar_0717A tormach.com...
  • Page 5 7. Inspect the top face of the Pulley for rust or other debris and clean if necessary. ©Tormach® 2017. All rights reserved. Tormach, Inc. Specifications subject to change without notice. P: 608.849.8381 / F: 209.885.4534 TD10039_PCNC1100_PowerDrawbar_0717A tormach.com...

  • Page 6: Mechanical Assembly

    Spring Drawbar Washer Orientation Apply Spring multi- Washers purpose grease Bushing Pocket for Bushing Figure 9 Figure 8 ©Tormach® 2017. All rights reserved. Tormach, Inc. Specifications subject to change without notice. P: 608.849.8381 / F: 209.885.4534 TD10039_PCNC1100_PowerDrawbar_0717A tormach.com Page 6...
  • Page 7 Leg Bracket 1/4-20 x 1 mm Screw with Flat Washer Figure 11 ©Tormach® 2017. All rights reserved. Tormach, Inc. Specifications subject to change without notice. P: 608.849.8381 / F: 209.885.4534 TD10039_PCNC1100_PowerDrawbar_0717A tormach.com...
  • Page 8 Power Drawbar. IMPORTANT! Make sure that the Hex Head Screw is tight on the cylinder rod when complete. ©Tormach® 2017. All rights reserved. Tormach, Inc.

  • Page 9: Control Assembly

    NOTE: Though it is not required, it may be easier to perform the following steps with the mill moved away from walls and other obstructions. 1. Remove the existing Z-axis motor mount cover; set aside screws. ©Tormach® 2017. All rights reserved. Tormach, Inc. Specifications subject to change without notice.

  • Page 10: Electrical Connections

    NOTE: For both the terminal block and strip, the wiring numbers and layout shown in Figure 18 are the same. Figure 17 ©Tormach® 2017. All rights reserved. Tormach, Inc. Specifications subject to change without notice. P: 608.849.8381 / F: 209.885.4534 TD10039_PCNC1100_PowerDrawbar_0717A tormach.com...
  • Page 11 Pry the terminal clip open carefully. Then, insert the wire into the terminal block. c. Slowly remove the screwdriver. Figure 19 ©Tormach® 2017. All rights reserved. Tormach, Inc. Specifications subject to change without notice. P: 608.849.8381 / F: 209.885.4534 TD10039_PCNC1100_PowerDrawbar_0717A tormach.com...
  • Page 12 Do not exceed maximum pressure rating of 120 psi. Input Air (user must supply connections to 1/4 NPT port) Figure 21 ©Tormach® 2017. All rights reserved. Tormach, Inc. Specifications subject to change without notice. P: 608.849.8381 / F: 209.885.4534 TD10039_PCNC1100_PowerDrawbar_0717A tormach.com Page 12...
  • Page 13 Pendant, mount the Pendant to the spindle head (see Figure 23 inset). Route the pendant’s wire as shown in Figure 23. Spindle Door Figure 23 ©Tormach® 2017. All rights reserved. Tormach, Inc. Specifications subject to change without notice. P: 608.849.8381 / F: 209.885.4534 TD10039_PCNC1100_PowerDrawbar_0717A tormach.com...
  • Page 14 11. Connect the air hoses to the cylinder (see Figure 25). 12. Plug the power cord into any 120 Vac outlet. Figure 25 ©Tormach® 2017. All rights reserved. Tormach, Inc. Specifications subject to change without notice. P: 608.849.8381 / F: 209.885.4534 TD10039_PCNC1100_PowerDrawbar_0717A tormach.com...

  • Page 15: Operation

    3. Perform belt change (for more information, refer to mill’s Operator Manual. 4. Reposition the Cylinder Assembly. 5. Lower the support leg. ©Tormach® 2017. All rights reserved. Tormach, Inc. Specifications subject to change without notice. P: 608.849.8381 / F: 209.885.4534 TD10039_PCNC1100_PowerDrawbar_0717A tormach.com...
  • Page 16 Avoid these conditions: • High chatter machining • High cutter engagement (chip load) combined with high helix angle cutter geometries ©Tormach® 2017. All rights reserved. Tormach, Inc. Specifications subject to change without notice. P: 608.849.8381 / F: 209.885.4534 TD10039_PCNC1100_PowerDrawbar_0717A tormach.com...

  • Page 17: Exhaust Valve Adjustment

    1. Top of the Power Drawbar (under the drawbar flange and the spring washers) 2. Eccentric pivot mount • Spring washers are wear items; inspect all spring washers once a month for cracks. Replacements available for purchase at www.tormach.com include: Description Power Drawbar Spring Washer 31319 •...

  • Page 18: Optional Accessories

    TECHNICAL DOCUMENT • The TTS collet and drawbar are wear items; using the power drawbar may cause these items to ® wear faster than with a manual drawbar. Replacements available for purchase at www.tormach.com include: Description Power Drawbar 1100/Bushing Assembly...
  • Page 19 VFD Interconnect control board (see Figure 32). Spindle Door Switch Interface Power Power Drawbar Foot Pedal Pendant Figure 32 ©Tormach® 2017. All rights reserved. Tormach, Inc. Specifications subject to change without notice. P: 608.849.8381 / F: 209.885.4534 TD10039_PCNC1100_PowerDrawbar_0717A tormach.com Page 19...

  • Page 20: Troubleshooting

    Filter- (too high or low) pressure and there may not be enough Regulator-Lubricator (FRL) gauge. downward force available to release tool. ©Tormach® 2017. All rights reserved. Tormach, Inc. Specifications subject to change without notice. P: 608.849.8381 / F: 209.885.4534 TD10039_PCNC1100_PowerDrawbar_0717A tormach.com...
  • Page 21 (for more information, refer to table binding Power Drawbar Will Not Release earlier in this section). Inspect, adjust, and replace components as necessary. ©Tormach® 2017. All rights reserved. Tormach, Inc. Specifications subject to change without notice. P: 608.849.8381 / F: 209.885.4534 TD10039_PCNC1100_PowerDrawbar_0717A tormach.com...

This manual is also suitable for:

31706

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