West Bond 7476D Series User Manual

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WEST•BOND MODEL 7476D SERIES INSTRUCTION MANUAL

i Revision: 15 April, 2004

MODEL 7476D

Manual Wedge Bonder

SERIAL # _______________

P.O. # __________________

Table of Contents

Questions and Answers:

M
Mark BowenAug 3, 2025
How to fix wire bond not sticking on West Bond 7476D?
- J
  John ColeAug 3, 2025
  If you're experiencing poor bonding performance with your West Bond Laboratory Equipment, several factors could be the culprit. First, the parameters might be improperly set, or the tool may be incorrect. Try fine-tuning or adjusting the power, time, force, or work heat, or consider replacing the tool. Another cause might be contaminated or poor-quality parts, materials, or wire, so clean the components or test with known good parts. Also, check for excessive drag on the wire by inspecting the filter or mechanical drag, ensuring it's set for only slight drag. Finally, too much drag on the wire spool mount can cause issues; try loosening the nut or spring.
A
Angela DoyleAug 12, 2025
What to do if West Bond 7476D is losing wire and not feeding properly?
- J
  Jimmy KellyAug 13, 2025
  If your West Bond Laboratory Equipment is experiencing issues with improper tail formation, wire loss, or feeding problems, consider these potential causes and solutions. The tail might be improperly set, so try adjusting it. Insufficient wire drag could also be the problem; in this case, replace the filter or adjust it as needed. Furthermore, excessive pull stroke might cause the wire to come out of the tool; adjust the tail accordingly. Keep in mind that this could be due to operator error or technique, and the tail length will vary depending on the looping techniques used.

West Bond 7476D Series Specifications

General

Model	7476D Series
Category	Laboratory Equipment
Type	Wire Bonder
Bondhead Type	Manual
Ultrasonic Frequency	60 kHz
Power Requirements	115/230 VAC, 50/60 Hz
Weight	80 lbs

Summary

Cautions

Safety and Ergonomic Guidelines

Provides advice on wiring safety, work environment, and general exercises.

Installation

Unpacking and Initial Setup

Covers removing the machine from packaging, initial handling, and platform attachment.

Component and Bracket Installation

Accessory and System Installation

Covers installing the manipulator arm, PCBs, air supply, and power.

Machine Set-up

Bond Tool and Wire Installation

Describes selecting and installing bonding tools and routing wire.

Positioning Utility and Calibration

Explains the Ultrasonic Positioning Utility (UPU) and bond tool position setup.

Operation

Operator Controls Overview

Introduces the main front panel controls and their functions.

Wire Bonding Procedure

Outlines the step-by-step process of performing a wire bond.

Operation Sequences and Features

Programming

Bond Settings: Key Parameters

Covers Bonds per Wire, Ultrasonic Power, Ultrasonic Time, and Force.

Bond Settings: Loop Height and Options

Machine Settings: Wire Handling and Calibration

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