Category: Rivet welding
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Analysis and Improvement of the Reasons for Cracking the Upper End of the Bucket Bar of Excavators
挖掘机斗杆上端开裂原因分析与改进,1.开裂现象某型号挖掘机出厂后工作3000h左右，相继出现斗杆上端开裂现象，…
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Development and Implementation of Welding Procedure Qualification Records (PQR) and Welding Procedure Specifications (WPS)
焊接工艺评定PQR/WPS的制定与执行-压力容器|换热设备|反应设备|分离设备|储存设备|南通赛孚机械设备有限…
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Understanding Welding Procedure Qualification: From pWPS to WPQR – What Exactly Is Being “Qualified”?
案例：某造船厂在试件焊接后发现UT检测有线性缺陷，经分析为焊接速度过快导致未熔合，调整速度后重新焊接并通过评定…
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Project Management Methods: Several Key Steps in Schedule Management
如何做好项目进度管理呢？其实关键在于细节管理。 项⽬管理是指按照客观规律的要求，在有限的资源条件下，运⽤系统工…
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3D Scanning, Reverse Engineering and Modelling of Irregularly Shaped Enclosures: A Breakthrough in 3D Scanning and Reverse Engineering
三维扫描抄数建模测绘与 3D 扫描逆向工程的融合应用，以 “非接触式测量 + 数字化重构”的技术优势，为异形壳…
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What are the different methods for dealing with welding distortion?
What are the methods for dealing with welding distortion? Distortion in general welded components does not require correction; only when the distortion resulting from welding exceeds the technical specifications should
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[Practical Tips] Welding Sequence for Ship Hull Structures
3.3 如角焊缝的端部位于分段的合拢边，则在该段部应留出约200mm的长度暂时不焊，待合拢时再焊，如图4(c)…
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Repost – Detailed Explanation: How Heat Exchangers Work
来源：星际 化机之家换热器是在不同温度的两种或两种以上流体间实现热量传递的节能设备，对于大面积供热而言，换热器…
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Methods for Inspecting the Deflection of the Main Girder and Correcting Deformation in Bridge (Gantry) Cranes
［摘要］桥(门)式起重机主梁变形的检测与矫正是企业生产中普遍面临的问题，本文介绍了检测与矫正变形的几种实施方法…
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Methods for Welding and Repairing Excavator Buckets and Bucket Teeth
I. Bucket Materials and Their Weldability 1. Before welding, the weld area must be thoroughly cleaned—that is, the original cracked weld metal must be removed, either by grinding with an angle grinder or, where possible, by carbon arc gouging.
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