EasyManua.ls Logo

Miyachi Unitek 250DPS - User Manual

Miyachi Unitek 250DPS
92 pages
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Loading...
USER'S MANUAL 990-280
Revision H March 2004
250DP DUAL PULSE
STORED ENERGY RESISTANCE WELDING
POWER SUPPLIES
Model Stock No.
250DP 1-250-XX
250DP/208 1-250-XX-01
250DP/230 1-250-XX-02
250DP/100 1-250-XX-03
250DPS 1-254-XX
250DPS/208 1-254-XX-01
250DPS/230 1-254-XX-02
250DPS/100 1-254-XX-03
NOTE: Units with the built-in Weld Sentry
Option also require User's Manual No. 990-291.

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Miyachi Unitek 250DPS and is the answer not in the manual?

Summary

Chapter 1: System Description

Applications

Describes the versatility and primary use of the 250DP power supply for precision welding.

Features

Lists the key capabilities and functionalities of the 250DP dual pulse welding power supply.

Chapter 2: Installation

Location

Specifies requirements for installing the 250DP in a suitable environment for optimal operation.

Power Line

Details the connection and considerations for the power line input to the 250DP unit.

Welding Cables

Provides guidelines for selecting, routing, and connecting welding cables for efficient operation.

Rear Panel Components

Identifies and describes the input/output connections located on the rear panel of the 250DP.

Air Actuated Weld Head Connections

Details the procedure for connecting air actuated weld heads to the power supply.

Footswitch

Explains the connection and operation of 1-level and 2-level footswitches for weld control.

Chapter 3: Operating Controls and Screens

Operating Controls

Identifies and explains the function of the controls on the front panel of the 250DP.

Screen Formats

Illustrates the information displayed on the various operational screens of the 250DP.

Chapter 4: Getting Started

Powering Up

Provides step-by-step instructions for powering on and initializing the 250DP unit.

Adjusting an Air Actuated Weld Head

Guides the user through the process of setting up and adjusting an air actuated weld head.

Chapter 5: Operating Instructions

Successful Welding

Offers guidance on establishing parameters for achieving successful resistance welds.

Resistance Welding Parameters

Explains the basic parameters (heat, time, pressure) that control resistance welding.

Weld Schedule Development

Outlines a methodical procedure for creating and optimizing weld schedules.

Weld Head Parameters

Highlights critical weld head parameters like electrode force and face area for attention.

250 DP Power Supply Parameters

Details how to set pulse width and energy levels for single and dual pulse operations.

Making a Weld

Provides instructions for initiating and performing a weld using the 250DP.

Evaluating the Weld

Describes methods to assess the quality of a weld and identify common issues.

Electrode Maintenance

Provides procedures for maintaining electrode tips to ensure optimal weld quality.

Chapter 6: Process Definitions and Weld Functions

250 DP States

Describes the seven operational states of the 250DP (RUN, NO WELD, PROGRAM, etc.).

RUN State

Explains the conditions and display information when the 250DP is ready to make a weld.

PROGRAM State

Details how to enter and use the PROGRAM state for changing and saving weld schedules.

MENU State

Explains how to access common options and information through the MENU state.

Weld Function Field

Introduces the three weld functions (Basic, Repeat, Rollspot) available for programming schedules.

Chapter 7: Maintenance

Modification and Calibration

Advises on performing calibration and modifications, recommending expert assistance.

Line Voltage Changes

Explains the procedure for reconfiguring the unit for different input line voltages.

Calibration

Provides guidelines for checking and performing calibration procedures on the 250DP.

Troubleshooting

Lists common problems and probable causes, such as circuit breaker trips.

Repair Service

Provides information on obtaining telephone and factory repair services for the 250DP.

Appendix A: Technical Specifications

250 DP Power Supply

Provides a general overview of the 250DP power supply's capabilities and features.

Alarms

Lists the three types of alarms (SCR, Emergency Stop, Firing Switch) and their functions.

Miyachi Unitek 250DPS Specifications

General IconGeneral
BrandMiyachi Unitek
Model250DPS
CategoryPower Supply
LanguageEnglish

Related product manuals