AVL Industrial Dobby Loom User manual

Industrial Dobby Loom
User's Manual
AVL Looms
2360 Park Ave.
Chico, CA
95928-8305 U.S.A.
530 893-4915
530 893-1372 (fax #)
[e-mail] www.avlusa.com
Copyright © 2018
All Rights Reserved Worldwide

Industrial Dobby Loom User's Manual Introductory Information
Introductory Information Page | 3
Introductory Information ................................................................................................................ 1
Safety .......................................................................................................................................... 2
Warnings: ................................................................................................................................ 2
Safety Features: ....................................................................................................................... 3
IDL Setup ........................................................................................................................................ 5
Introduction ................................................................................................................................. 6
About This Manual ..................................................................................................................... 6
Preparations................................................................................................................................. 6
Safety .......................................................................................................................................... 6
Stopping your loom safely ...................................................................................................... 8
Restarting After an "Emergency Stop" ................................................................................... 9
Additional Loom Setup ............................................................................................................. 10
Square and Level the Loom .................................................................................................. 10
Flexible Air Link ................................................................................................................... 11
Floor Brackets ....................................................................................................................... 11
Power Supply ........................................................................................................................ 11
Setup Your Computer ............................................................................................................... 11
Setup the Air System ................................................................................................................ 12
Compressor ........................................................................................................................... 12
Filter-Regulator (FR) ............................................................................................................ 12
Regulators ............................................................................................................................. 13
Cylinder Flow Controls (Speed Controls) ............................................................................ 14
Testing The Loom ..................................................................................................................... 14
Pre-Operation Checklist ............................................................................................................ 15
Normal Loom Firing Sequence ................................................................................................. 15
Using the IDL ............................................................................................................................... 17
Operating the Loom .................................................................................................................. 18
Manual Loom Control ........................................................................................................... 18
Automatic Loom Control ...................................................................................................... 19
Reversing Cloth Direction ........................................................................................................ 19
Adjustments .............................................................................................................................. 22
Synchronized Loom Motion ................................................................................................. 22
Automatic Cloth Advance Speed Adjustment ...................................................................... 22
Automatic Advance and Cloth Beam Gear Adjustment ....................................................... 23

Introductory Information Industrial Dobby Loom User's Manual
Page | 4 Introductory Information
Dobby Cylinder Speed Adjustment (controls harness lifting) .............................................. 25
Shuttle Box Adjustment ........................................................................................................ 26
Cloth Storage Power Control ................................................................................................ 33
Establish Picks Per Inch (P.P.I.) ............................................................................................... 34
Pressure Roller .......................................................................................................................... 36
Temple System (To Prevent Draw-In) ...................................................................................... 37
Setting the Temple Rollers .................................................................................................... 37
Temple Rings ........................................................................................................................ 38
Warp Tension ............................................................................................................................ 38
Set Tension ............................................................................................................................ 39
Troubleshooting Tip.............................................................................................................. 39
Shuttle Box System ................................................................................................................... 40
Normal Mode ........................................................................................................................ 41
Special Mode ........................................................................................................................ 43
Extra Mode............................................................................................................................ 44
Maintenance .................................................................................................................................. 47
Maintenance .............................................................................................................................. 48
General .................................................................................................................................. 48
Square and Level the Loom .................................................................................................. 48
Maintenance .......................................................................................................................... 49
Trouble-shooting ........................................................................................................................... 51
Basic Troubleshooting Tips ...................................................................................................... 52
Shuttle Doesn't Fire ............................................................................................................... 52
Shuttle Won't Stay On Race .................................................................................................. 52
Shuttle Doesn't Box Completely ........................................................................................... 52
Loom Fires on Empty Box .................................................................................................... 52
Loom Stops -- Red Light Is On ............................................................................................. 52
Loom Stops -- Green Light Is On ......................................................................................... 52
Harnesses Drop or Don't Lift ................................................................................................ 53
Automatic Cloth Advance Inoperable ................................................................................... 53
Inconsistent Pick Count ........................................................................................................ 53
Loose Shed ............................................................................................................................ 53
Adjusting the Compu-Dobby .................................................................................................... 53
Adjusting the Shuttle Sensors ................................................................................................... 55

Industrial Dobby Loom User's Manual Introductory Information
Introductory Information Page | 5
To make the adjustment ........................................................................................................ 55
Troubleshooting the Picker Cylinders ...................................................................................... 56
Diagram of the PLC .................................................................................................................. 57
The Fine Print ............................................................................................................................... 59
AVL Customer Service ............................................................................................................. 60
AVL Warranty .......................................................................................................................... 60
AVL Returns Policy .................................................................................................................. 61

Industrial Dobby Loom User's Manual Introductory Information
Introductory Information Page | 1
INTRODUCTORY
INFORMATION
INTRODUCTORY INFORMATION

Introductory Information Industrial Dobby Loom User's Manual
Page | 2 Safety
SAFETY
Before Getting Started:
Please read the entire manual before using the loom.
Warnings:
WARNING:
EQUIPMENT SHOULD ONLY BE USED FOR TEXTILE MANUFACTURING. IF
THE EQUIPMENT IS USED IN A MANNER NOT SPECIFIED BY THE
MANUFACTURER, THE PROTECTION PROVIDED BY THE EQUIPMENT MAY
BE IMPAIRED.
WARNING:
ELECTRICAL SHOCK HAZARD. DO NOT TAMPER WITH ELECTRICAL WIRES
OR OPERATE THE LOOM WITH SAFETY PANELS OPENED OR REMOVED.
WARNING:
PINCH, CRUSH, AND FINGER CUT-OFF HAZARDS. DO NOT OPERATE THE
LOOM WITH SAFETY PANELS OPENED OR REMOVED. DO NOT PLACE
HANDS IN MOVING MECHANISMS OR SCISSORS.

Industrial Dobby Loom User's Manual Introductory Information
Safety Page | 3
WARNING:
EQUIPMENT PANELS ARE AWKWARD AND HEAVY. TO AVOID MUSCLE
STRAIN OR INJURY, USE PROPER LIFTING TECHNIQUES AND A HELPER.
WARNING:
DO NOT POSITION EQUIPMENT IN A WAY TO BLOCK OR IMPEDE ACCESS
TO DISCONNECTING DEVICES, EMERGENCY STOPS, OR ON/OFF BREAKER
SWITCHES
WARNING:
USE OF CONDUCTIVE FIBER OR YARN ON OR AROUND THIS EQUIPMENT
WILL VOID WARRANTY AND MAY DAMAGE EQUIPMENT.
WARNING:
THIS EQUIPMENT IS CLASSIFIED FOR LIGHT INDUSTRIAL ENVIRONMENT
ONLY. OPERATION OF HIGH-CURRENT DRAW EQUIPMENT (EX. MIG
WELDER) ON THE SAME ELECTRICAL CIRCUITS MAY CAUSE EQUIPMENT
FAILURE.
Safety Features:
Covers and shielding separate weaver from moving components where pinch
hazards exist. Do not reach under covers and shielding while the loom is
operating.