【正文】 t loos e ning ? No proper tight e ning to ols ? Ins uf fici e nt i nstruc tio n of tight e ning s pec ifi c a ti ons ? Broke n j oint ? Bolt l oose ning ? Not e noug h fix ing of j oint ? Hea t and c urr e nt tra n s mi s s ion fail ure ? Oi l le a d, ga s l e a k , e tc . 擰緊錯(cuò)誤 Tightening faults can be caused by the joint, the tool or the operator擰緊錯(cuò)誤可由連接、工具或操作人員引起 These faults typically show up as major deviations from normal這些缺點(diǎn)通常顯示為相對(duì)正常的偏離 The detection of tightening faults is best done by uncovering deviations from normal angle緊固故障的檢測(cè)最好不要覆蓋正常角度的偏離 Modern DC controllers have the capability to monitor or control angle to flag these process errors現(xiàn)代的直流控制器能夠監(jiān)視和控制的角度，平復(fù)進(jìn)程中遇到的各種錯(cuò)誤 裝配過(guò)程中 擰緊錯(cuò)誤 由下列方法判斷 : 錯(cuò)誤種類 扭矩控制 扭矩控制帶 角度監(jiān)視 屈服點(diǎn)控制帶 扭矩和角度監(jiān)視 Bolt too Soft (Low or high friction conditions)摩擦過(guò)大或過(guò)小 NO YES YES Bolt too Soft (Normal Friction)摩擦適中 NO Usually NO YES Bolt too Hard螺栓過(guò)硬 NO NO YES Thread Fault (Friction High)摩擦過(guò)大 NO YES YES Coating/ Lube Fault (Friction extremely Low)摩擦微乎其微 NO YES YES 擰緊錯(cuò)誤 Angle, q Torque, T Blind Hole Too Short孔的深度欠缺 Effect on Torque/Angle End of Cycle Data: Torque Angle Tightening Cycles Torque High Limit Torque Low Limit Angle High Limit Angle Low Limit 擰緊錯(cuò)誤 Angle, q Torque, T Inplete Operation (tool shut off early)沒(méi)有完全操作 Effect on Torque/Angle End of Cycle Data: Torque Angle Tightening Cycles Torque High Limit Torque Low Limit Angle High Limit Angle Low Limit 擰緊錯(cuò)誤 Angle, q Torque, T Misaligned Parts忽略了角度 Effect on Torque/Angle End of Cycle Data: Torque Angle Tightening Cycles Torque High Limit Torque Low Limit Angle High Limit Angle Low Limit 擰緊錯(cuò)誤 Angle, q Torque, T Crossed Threads孔直徑過(guò)大 Effect on Torque/Angle End of Cycle Data: Torque Angle Tightening Cycles Torque High Limit Torque Low Limit Angle High Limit Angle Low Limit Angle, q Torque, T Joint Component Fails零部件連接錯(cuò)誤 擰緊錯(cuò)誤 Effect on Torque/Angle End of Cycle Data: Torque Angle Tightening Cycles Torque High Limit Torque Low Limit Angle High Limit Angle Low Limit Angle, q Torque, T Stripped Threads多方面的滑扣 擰緊錯(cuò)誤 Effect on Torque/Angle End of Cycle Data: Torque Angle Tightening Cycles Torque High Limit Torque Low Limit Angle High Limit Angle Low Limit Angle, q Torque, T Warped Mating Parts要與外包部件匹配 擰緊錯(cuò)誤 Effect on Torque/Angle End of Cycle Data: 扭矩 /角最終的循環(huán)數(shù)據(jù)的作用 : Torque Angle Tightening Cycles Torque High Limit Angle High Limit Angle Low Limit Torque Low Limit All final cycle data is good所有的數(shù)據(jù)是有效的 案例分析 客戶 : Swaraj Engines Ltd S發(fā)動(dòng)機(jī)有限公司 問(wèn)題 : Cylinder Head Leakage缸蓋滲漏 分析 : Method of Tightening : Run down with Impact Wrench, final tightening to 14 manual Torque Wrench 方法 :使用沖擊扳手進(jìn)行手動(dòng)擰緊致 14千克 .米 Methodology: Sensor Expert set to JCS Yield Mode with 4 degree capture angle, recorded Yield Torque data from 24 Nuts amp。 Studs of Two Engines. 沒(méi)有翻譯 Findings:Nuts yielded at Average of Torque. 結(jié)果 :最終扭矩平均值為 Inference :Considering the effect of friction torque applied on this joint should not be more than 11 . (Safety Factor of ) 推論 :考慮到摩擦效用的應(yīng)用，這種聯(lián)合不應(yīng)超過(guò) 11 。 (安全系數(shù) )。 使用 IR Sensor Expert力矩扳手實(shí)例 使用 IR Sensor Expert力矩扳手實(shí)例 結(jié)論 The results Indicate usage of Low Grade of Nuts/ Engine Confirmed that a few years ago the had changed the grade of stud from to and specified Torque was increased as per grade. However Nuts grade was not changed. 結(jié)果表明沒(méi)有翻譯 行動(dòng) : Grades of Nut Changed, problem ,問(wèn)題也隨之解決。 Ingersoll Rand The Solution Providers 問(wèn)題提供者 Pneumatic Tools Accessories Testing Equipments 氣動(dòng)工具配件的檢測(cè)設(shè)備 Fastener Tightening Systems amp。 Assembly Automation 緊固件緊固系統(tǒng)及 裝配自動(dòng)化 Ergonomic Handling Systems 人機(jī)工程學(xué)處理 系統(tǒng) , Line Application Survey線性供應(yīng)調(diào)查 Turnkey Solutions 解決方案 Software amp。 Integration軟件與集成 After Sales Services售后服務(wù) Tool Crib Management 工具管理 Calibration 校準(zhǔn)