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TGW NBC Instructions Manual

Full welding instruction with nitta blue urethane belt
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NBC, TGW Nitta Belt Welding
Instructions
NBC Full Welding Instruction with
Nitta Blue Urethane Belt
P/N: 1207439
Date: 09/13/2019

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Summary of Contents for TGW NBC

  • Page 1 NBC, TGW Nitta Belt Welding Instructions NBC Full Welding Instruction with Nitta Blue Urethane Belt P/N: 1207439 Date: 09/13/2019...

  • Page 2: Table Of Contents

    History – Revision Changes Revision Date Description 9/13/2019 Add caution note to use only TGW welder equipment 06/27/2019 Changed belt overlap length. NBC-150-AT from 36” to 18” and added 500-AT to be 36”. Page 2 of 30 P/N 1207439 Rev Date 09/13/2019...

  • Page 3: Introduction

    INTRODUCTION PURPOSE This manual contains the instructions to properly weld a Nitta belt for use with TGW NBC flat belt conveyor. These instructions use the TGW Nitta belt Finger Punch and Weld Press. TGW recommends watching the enclosed flash drive video instruction along with all TGW or Nitta manuals before repairs.

  • Page 4: Tgw Safety Information

    Indicates a potentially • Your TGW Systems conveyor is hazardous situation, powered by a motor and can be which, if not avoided, stopped only by turning off electrical could result in death or power to the motor.

  • Page 5: Tgw Systems Recommended Standards For Conveyors

    For additional safety information: A safety risk evaluation is required for all of our standard equipment. The safety risk evaluation TGW agrees to the following safety instruction or considers every potential hazard on the guidelines listed within this manual. This is not to conveyor, weighs the probability and the severity conflict with your state or legal requirements.

  • Page 6: Tgw Safety Recommendation

    TGW SAFETY RECOMMENDATION TGW agrees to the following safety instruction or guidelines listed within this manual. This is not to conflict with your state legal requirements. TGW Recommends for maintenance or repair purposes, to incorporate a lock out or tag procedure. To ensure all starting devices, prime movers, or powered accessories are off before attempting to maintenance or repair.

  • Page 7: Nbc Conveyor Preparation

    NBC CONVEYOR PREPARATION Make sure the main air regulator is at 40psi. Before installing the belt, make sure the air is OFF to the belt take-up. This moves the take-up pulley to the retracted position which allows you to work with the maximum belt slack.
  • Page 8 Remove rollers between two pressure pan supports in a 3' zone. Any zone can be selected, but it is easier to select one near the charge or discharge end of the conveyor. Note: Pull the axles with pliers to protect the frame. Remove any figure guards.
  • Page 9 Un-coil the Nitta belt. If replacing an existing belt, cut the previous belt straight. Note: For new installation use the NBC threading tool (located and attached under each drive from factory). NBC threading instructions are also in TGW IOM Manual at www.tgw-conveyor.com.
  • Page 10 Before cutting the belt to length, make sure there is 18” overlap for NBC 150-AT and for NBC 500-AT 36” overlap. The overlap is to compensate for belt loss in the finger splice process. Both belt ends must be cut straight.

  • Page 11: Finger Punch Process

    CAUTION WARNING: • Use Only TGW Nitta belt welder and punch equipment for TGW Nitta belt splice/welding. Non- TGW Nitta belt welding or...
  • Page 12 Hold the belt firmly while tightening the hold-down bars bolts in an alternating pattern. Position the top index pin with the first Index pin outside hole on the hold-down plate. Hold-down holes (6X) WARNING: Each hole must be punched in PROPER SEQUENCE EVERY HOLE (6x).
  • Page 13 Return the handle to original position. Move the support plate to the next hole and repeat the process. When complete, loosen the hold-downs and remove the belt. Handle to slide the support plate Belt inserted from the left Repeat process for other belt end. Thread the belt into the puncher from the opposite direction.
  • Page 14 Install one end of the belt in the Pre-setter mold, making sure the belt fingers are centered in the pre-setter plate. Insert the other end of the belt and slide the fingers together, mating them with no overlaps or large gaps. Install the silicone sheet, with textured side facing down on the belt finger spliced section.

  • Page 15: Nbc Weld Instructions

    Non-TGW Nitta belt welding or punch equipment is not compatible with the TGW Nitta belt! Place the TGW welder press on the conveyor and set the pre-setter mold center in the weld press. Clamp the press closed and turn the knob until it slips.
  • Page 16 Plug in the TGW welder cord then push the yellow button to start. WARNING WARNING! WELD PRESS IS HOT! TGW recommends to wear heat resistant gloves when operating the press. WELD PRESS IS HOT! Do not leave press unattended while in use.
  • Page 17 185 Degrees Celsius (185°C). Note: When starting the TGW welder press it will automatically run a diagnostic test for about 6 seconds then starts heating up to the preset temperature. After 10 minutes at full temperature, the press will automatically shut down the heaters and start the cooling fans.
  • Page 18 Only when the actual temperature (green light) is 50°C or lower and when the welder press power cord is unplugged it’s safe to open the TGW welder press. Loosen the knob and pull the clamp down to open the press.
  • Page 19 Remove the pre-setting mold, pre-setter top plate, silicone sheet, and loosen the keeper plate wing nuts to unlock the belt. Remove the belt from the pre-setter mold. Page 19 of 30 P/N 1207439 Rev Date 09/13/2019...
  • Page 20 Inspect the top and bottom of the belt. Make sure the belt splice has smoothly joined even fingers with no bubbles, gaps, or overlaps. (See troubling shooting section for defect details.) TOP OF BELT (WELDED) BOTTOM OF BELT (WELDED) Page 20 of 30 P/N 1207439 Rev Date 09/13/2019...
  • Page 21 If excess material is present, carefully trim the excess material off the side edges of the belt. Note: Do not cut into the belt. Reinstall the finger guards and rollers. Turn on the air to the take up unit. Restore power. Page 21 of 30 P/N 1207439 Rev Date 09/13/2019...

  • Page 22: Tgw Kits & Replacement Parts

    TGW KITS & REPLACEMENT PARTS To rent or order parts contact TGW Lifetime Services at 231-798-4547. TGW NITTA BELT FULL WELD & PUNCH KITS (RENTAL KITS ONLY!) Description Item # 1207112 TOOL,NBC-NITTA-RENTAL-WELDER KIT-FULL TGW Rental Kit Include: Finger Punch Press, T-wrench, Heated Weld Press, Pre-setter Mold, Silicone Sheet, Instruction Manuals, and Flash Drive with Instruction Video.
  • Page 23 NITTA BELT Description Item # 1205548 BELT,NBC-1.75"W-CFTG-BLU-U-WLD (WELD ONLY!) NBC NITTA BELT COMPLETE WELDER KIT (PURCHASE ONLY) Description Item # 1207241 TOOL,NBC-NITTA-PURCHASE-WELDER KIT-FULL Include: Heated Weld Press and Nitta NPS-2005-1/2 Manual , Finger Punch Press, T-wrench & Nitta FP-200T Manual, & Pre-setter Mold with 1 Silicone...

  • Page 24: Troubleshooting - Nitta Corporation

    TROUBLESHOOTING – NITTA CORPORATION AIR BUBBLES Cold cook which may be caused by low or interrupted voltage to the welder press. Forgetting to insert the Silicone sheet or sometimes known as the impression cloth. Page 24 of 30 P/N 1207439 Rev Date 09/13/2019...
  • Page 25 Cooking the belt with the fingers too far apart. Cutting too much off the finger or not merging the fingers enough causing large gaps. Good finger gaps Bad finger gaps Belt fingers not trimmed properly, causing material to push under. Page 25 of 30 P/N 1207439 Rev Date 09/13/2019...
  • Page 26 Mismatched or bending of the belt fingers caused by not securing the press-setter hold-downs. Wing Nuts not tight Page 26 of 30 P/N 1207439 Rev Date 09/13/2019...

  • Page 27: Improper Belt Welding

    IMPROPER BELT WELDING Placing the pre-setter mold centered in the heater press is important for the weld operation to keep the heat evenly dispersed over the entire spliced area. Failure to center the mold will cause an improper belt weld. Pre-setter mold not centered in the weld press.
  • Page 28 Buildup of urethane caused by the pre-setter mold not being centered in the weld press properly. Page 28 of 30 P/N 1207439 Rev Date 09/13/2019...

  • Page 29: Works Cited

    OSHA QuickTakes: https://www.osha.gov/ TGW General Information Visit TGW Systems website at https://www.tgw-conveyor.com/ for maintenance videos and other application information. NBC Flat Belt Installation Operation Maintenance Manual at https://www.tgw- conveyor.com/support/iom-manuals/nbc-manual NBC TGW Nitta Belt Welding Instruction Manual at https://www.tgw- conveyor.com/support/iom-manuals/nbc-manual NBC TGW Nitta Belt Replacement Maintenance Video at https://www.tgw-...

  • Page 30: Tgw Systems Information

    TGW SYSTEMS INFORMATION Mission TGW Systems, located in Spring Lake, Michigan, is a leading deliverer of “smart” material handling systems, technologies, products, and services, creating solutions for material flow applications. As a global supplier of conveyor systems and equipment since 1964, TGW Systems provides sorters, conveyors, and accessories to satisfy a broad spectrum of accumulation, transportation, and sortation applications.

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