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Huayuan Electric NB-500HK User Manual

Huayuan Electric NB-500HK
29 pages
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NB-500HK
MIG/MAG/CO
2
WELDING MACHINE
MANUAL
INSTRUCTION
(PLEASE READ CAREFELLY BEFORE OPERATION)
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Huayuan Electric NB-500HK Specifications

General IconGeneral
Output Current Range50-500A
Duty Cycle60%
Efficiency85%
Protection GradeIP21S
Insulation GradeF
Applicable Wire Diameter1.2mm

Summary

Safety Introduction and Precautions

General Safety Advice

Fundamental safety guidelines for operating the welding machine.

Critical Operational Warnings

Key safety points requiring utmost attention before and during use.

Hazard Identification and Mitigation

Electric Shock Hazard Mitigation

Procedures to prevent electrical shock risks.

Arc Ray Protection Strategy

Methods to shield eyes and skin from arc radiation.

Fume and Gas Exposure Control

Managing risks from welding fumes and shielding gases.

Spatter Control and Fire Prevention

Measures to prevent fires caused by welding spatter.

Equipment and Environmental Safety

Gas Cylinder Handling Safety

Precautions for safe management of gas cylinders.

Electrical System Safety

Safety requirements for power supply and electrical connections.

Engine-Driven Unit Safety

Specific safety measures for engine-powered welding equipment.

Electromagnetic Field Considerations

Information on EMF effects and user precautions.

Safe Lifting and Handling

Guidelines for safely moving the welding machine.

Noise Exposure Management

Awareness of noise hazards and health impacts.

Product Information and Specifications

Model, Features, and Usage

Overview of the welding machine's model, key features, and applications.

Operating Environment Requirements

Specifies the conditions under which the welder can operate safely.

Symbol Interpretation Guide

Explanation of symbols used in the manual for clarity.

Technical Performance Data

Main Technical Parameters Table

Comprehensive table detailing electrical, mechanical, and performance specifications.

Control Panel and Interface

Front Panel Functionality

Description of controls, indicators, and meters on the front panel.

Control Panel and Interface

Lower Front Panel Details

Explanation of the functions located on the lower section of the front panel.

Rear Panel Connectivity

Identification and purpose of ports and connectors on the rear panel.

Installation and Setup Guide

Power Supply Connection

Requirements and steps for connecting the welder to the electrical supply.

Cable and Grounding Procedures

Instructions for correctly connecting cables and ensuring proper grounding.

Installation and Setup Guide

Wire Feeder and Torch Setup

Guide for connecting the wire feeder and welding torch.

Gas System Integration

Steps for connecting the gas cylinder and regulator assembly.

Pre-Operation Procedures

Safety Equipment and Inspection

Essential safety gear and pre-use checks.

Pre-Operation Procedures

Gas Flow Adjustment Process

How to set and verify the shielding gas flow rate for optimal welding.

Wire Installation and Loading

Detailed steps for installing and preparing the welding wire spool.

Welding Operation Modes

4-Step Welding Procedure

Comprehensive guide to performing welds using the 4-step mode.

Welding Operation Modes

2-Step Welding Procedure

Instructions for utilizing the 2-step welding mode for specific applications.

Weld Condition Examples

Angle Weld Parameters

Recommended settings for angle welding based on material thickness and wire size.

Technical Principles and Diagrams

Working Principle Explained

Description of the IGBT-based inverter technology and operation.

Electrical System Schematic

A visual representation of the internal circuit design.

Maintenance and Repair Protocols

Component List and Identification

A table listing key components with their models and codes.

Routine Maintenance Schedule

Recommended procedures for cleaning and upkeep.

Qualified Repair Guidelines

Instructions for authorized personnel on equipment repair.

Troubleshooting Common Faults

Fault Diagnosis and Solutions

A guide to identifying and resolving common operational issues.

Package Contents and Accessories

Included Items Checklist

A list of all items provided in the product packaging.

Technical Annexes

Detailed Electrical Schematic

The complete electrical schematic diagram for the welding machine.