TGW NBC Bedienungsanleitung

NBC, TGW Nitta Belt Welding

Instructions

NBC Full Welding Instruction with

Nitta Blue Urethane Belt

P/N: 1207439

Date: 09/13/2019

TGW

P/N 1207439 Rev Date 09/13/2019 Page 2of 30

CONTENTS

INTRODUCTION............................................................................................................. 3

PURPOSE ..................................................................................................................... 3

SCOPE ......................................................................................................................... 3

TGW SAFETY INFORMATION....................................................................................... 4

WARNINGS AND SAFETY INSTRUCTIONS .......................................................................... 4

TGW SYSTEMS RECOMMENDED STANDARDS FOR CONVEYORS........................................ 5

TGW SAFETY RECOMMENDATION .................................................................................. 6

NBC CONVEYOR PREPARATION................................................................................. 7

FINGER PUNCH PROCESS ........................................................................................ 11

NBC WELD INSTRUCTIONS ....................................................................................... 15

TGW KITS & REPLACEMENT PARTS......................................................................... 22

TROUBLESHOOTING – NITTA CORPORATION ........................................................ 24

AIR BUBBLES .............................................................................................................. 24

IMPROPER BELT WELDING ........................................................................................... 27

WORKS CITED............................................................................................................. 29

TGW SYSTEMS INFORMATION.................................................................................. 30

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”.

TGW

P/N 1207439 Rev Date 09/13/2019 Page 3of 30

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.

SCOPE

The purpose is to obtain strong, consistent belt joints in a safe and efficient manner.

To accomplish this, these instructions must be followed closely.

For more TGW conveyor information:

Visit www.tgw-conveyor.com for more maintenance videos and TGW IOM manuals.

WARNING:

•Use Only TGW Nitta belt welder and punch equipment for TGW Nitta belt

splice/welding. Non-TGW Nitta belt welding or punch equipment is not

compatible with the TGW Nitta belt!

CAUTION

TGW

P/N 1207439 Rev Date 09/13/2019 Page 4of 30

TGW SAFETY INFORMATION

WARNINGS AND SAFETY INSTRUCTIONS

Failure to follow the instructions and

cautions throughout this manual and

warning labels on the conveyor may

result in injury to personnel or damage

to the equipment.

Your TGW Systems conveyor is

stopped only by turning off electrical

power to the motor. As with all

powered machinery, the drive-related

components – including sprockets,

chains, shafts, universal joints, and

pneumatic devices – can be

dangerous. We have installed or

provided guards to prevent accidental

contact with these parts, along with

warning labels to identify the hazards.

Special attention must be paid to the

following areas of this manual:

•Indicates a potentially

hazardous situation,

which, if not avoided,

could result in death or

serious injury.

•Indicates a situation, which, if not

avoided, could result in property

damage.

WARNING

CAUTION

TGW

P/N 1207439 Rev Date 09/13/2019 Page 5of 30

TGW SYSTEMS RECOMMENDED STANDARDS FOR

CONVEYORS

TGW Safety Recommendation

For additional safety information:

TGW agrees to the following safety instruction or

guidelines listed within this manual. This is not to

conflict with your state or 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.

The procedures below are designed to protect

everyone involved with the conveyor against an

unexpected restart. To include understanding of

potential hazard of stored energy, which can exist

after the power source is locked out.

For additional information, refer to the latest issue

of ANSI Z244.1, American National Standard for

Personnel Protection −Lockout/Tagout of Energy

Sources− Minimum Safety Requirements.

http://www.ansi.org/

OSHA 29CRF Part 1910.147 “Control of

Hazardous Energy Sources (Lockout/Tagout)”,

which includes requirements for release of stored

energy and OSHA Safety and Health Regulations

for Construction 1926.555 Conveyors

https://www.osha.gov/

Conveyor Design and Safety Guidelines

A safety risk evaluation is required for all of our

standard equipment. The safety risk evaluation

considers every potential hazard on the

conveyor, weighs the probability and the severity

of the potential injury, and addresses methods of

mitigation to make the risk of injury either low or

negligible. We use the ANSI B11 TR3 standards

for all of our risk evaluation. In addition, all of our

equipment is designed to comply with the

following national and industry standards:

•ANSI Z535.1 – Safety Color Code

•ANSI Z244.1 – Lockout/Tagout of Energy

Sources

•ASME B15.1 – Safety standard for

Mechanical Power Transmission Apparatus

•ASME B20.1 – Safety standard for

Conveyors and Related Equipment

•CEMA – Safety Standards and Labels

•OSHA 1910.147 – The Control of Hazardous

Energy

•OSHA 1910.212 - General Requirements for

all Machines

•OSHA 1910.95 – Occupational Noise

Exposure

•Definitions:

•ANSI = American National Standard Institute

•ASME = American Society of Mechanical

Engineers

•CEMA = Conveyor Equipment Manufacturers

Association

•OSHA = Occupational Safety and Health

Administration

•Safety: Always lock out power source and follow recommended

safety procedures.

WARNING

TGW

P/N 1207439 Rev Date 09/13/2019 Page 6of 30

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.

The procedures below are designed to protect everyone involved with the conveyor

against an unexpected restart. To include understanding of potential hazard of stored

energy, which can exist after the power source is locked out.

For additional information, refer to the latest issue of ANSI Z244.1, American

National Standard for Personnel Protection −Lockout/Tagout of Energy

Sources− Minimum Safety Requirements. http://www.ansi.org/

OSHA 29CRF Part 1910.147 “Control of Hazardous Energy Sources

(Lockout/Tagout)”, which includes requirements for release of stored energy and

OSHA Safety and Health Regulations for Construction 1926.555 Conveyors

https://www.osha.gov/

•Pay attention to the safety instructions!

•Prior to working at or in the immediate vicinity of the system

it is recommended that you make yourself familiar with the

safety instructions included in the present document!

•TGW recommends reading all manuals supplied by TGW

or Nitta Corporation. https://www.nitta.com/

•TGW recommends only trained and maintenance personal

for conveyor repairs.

•Do not use tools or equipment stated in this manual for

other application.

•Do not dismantle or remodel equipment or tools under any

circumstances.

WARNING

TGW

P/N 1207439 Rev Date 09/13/2019 Page 7of 30

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.

Turn off the power to the logic

modules.

Note: If you can’t find the power

supply, you can disconnect the

main power to the logic modules.

This will allow air to flow through

to the pressure pans and push the

pressure pans down.

TGW

P/N 1207439 Rev Date 09/13/2019 Page 8of 30

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.

Depending on your work zone area, there

may be three (3) different finger guards.

Those between the pressure lift

assemblies simply snap-in or out. Those

over the pressure assemblies are

removed by rotating a quarter turn

clockwise and pulling out. If the belt

splicing work area includes in crossmember, a different shape finger guard is used,

which also snaps into place.

•Pay attention to the safety instructions!

•After maintenance, REPLACE guards immediately!

WARNING

TGW

P/N 1207439 Rev Date 09/13/2019 Page 9of 30

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.

Duct tape the top and bottom of the old belt end to the new Nitta belt end (thick

polyurethane side up) making sure to keep both belts are flat and straight, do not

overlap the belts.

TGW

P/N 1207439 Rev Date 09/13/2019 Page 10 of 30

Pull the new Nitta belt through the conveyor. Make sure the Nitta belt is routed

correctly over all the return pulleys underneath the conveyor. Remove the Duct

tape.

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.

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