焊接作业指导书及焊接工艺.docx

焊接作业指导书及焊接工艺 XXX XXX: 005 XXX: A/0 Date: 2010.2 1.Purpose: To clarify work responsibilities。XXX。XXX processing。Standardize safety ns。prevent potential safety hazards。XXX. 2.Scope: 2.1.Applicable to XXX. 2.2.Not applicable to products with special XXX。etc. 3.Responsibilities: XXX. 4.Workflow 4.1 Workflow Chart Check the current shift's work plan Read drawings and processes XXX-finished products according to drawings Check tools。measuring tools。materials and semi-finished products Weld and self-inspect Report n 4.2 Basic ns: 4.2.1 Check the current shift's work plan: Carry out ns in accordance with the work plan and progress XXX needs. 4.2.2 Read drawings and processes: Before welding。the welder should carefully read the drawings。XXX documents。XXX welding symbols。and determine the XXX that need to be cut。XXX according to the process requirements。For semi-finished products。check the materials and sizes。and only XXX. 4.2.3 n: Calibrate the necessary tools。XXX assembly welding. 4.2.4 n and mutual n: All welded parts are spot welded first。and n and mutual n should be carried out after spot welding。For large and key parts。the XXX. 4.2.5 First piece n: In mass n。first piece n must be carried out。and n can only XXX. 4.2.6 n report: After the workpiece is welded。report the n in time。The operator needs to sign the processing XXX work plan according to the drawing。(The delivery note and self-XXX). 5.Process Guidelines: 5.1 n before welding 5.1.1 Before welding。the surface of the weld zone (groove surface。I-type joint vertical surface and both sides of the weld) within 20-30mm of the base metal should be thoroughly cleaned of oxides。oil。dirt。rust。etc。and present a uniform metallic luster. 5.1.2 Check whether the quality of the joint (groove form) of the welded part meets the requirements of the drawing。and evaluate the welding quality。If there is any doubt。contact the XXX to take corresponding process measures. 5.1.3 Receive welding materials according to the corresponding weld