Atlas Copco基本拧紧技术

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阿特拉斯拧紧机技术方案

◊ 型号 ◊ 转速 ◊ 最大扭矩 ◊ 最小扭矩 ◊ 系统扭矩精度 ◊ 系统转角精度 ◊ 重量 ◊ 噪声级别
QMX50-15RT
330 rpm
150 Nm
30 Nm 2.5% 2
5.8 Kg 65 dB
拧紧轴QMX50-15RT用于485缸盖拧紧机 •采用18轴标准拧紧轴固定位置
拧紧轴布置
▼ 阿特拉斯·科普柯推荐Power MACS拧紧轴技术参数（方案一）：
QMX62-19RT
330 rpm
190 Nm
40 Nm 3% 2
9.5 Kg 65 dB
▼ 拧紧工位三: 缸盖螺栓拧紧
拧紧要求：
1) 拧紧参数要求:
应用一
应用实例参考
YZ485产品：18个M12 螺栓、扭矩控制、角度监测法。扭矩目标值为95~105Nm。应用二
YZ4DE1产品：10个M12 螺栓、扭矩控制、角度监测法。扭矩目标值为140~200Nm 。
D1
Types of product:
Type 1 – YZ485: Max. Torque: 95~105Nm Bolt size: M12; D=65mm; D1=138mm
Type 2 – YZ4DE1: Max. Torque: 140~200Nm Bolt size: M12; D=101mm;
30 Nm 3% 2
8.0Kg 65 dB
偏置拧紧轴QMX50-15ROT用于18轴合用方案
•采用10轴标准拧紧轴和8轴偏置拧紧轴 •通过汽缸变距机构满足不同产品拧紧
▼ 阿特拉斯·科普柯推荐Power MACS拧紧轴技术参数（方案二）：
主轴承盖及缸盖螺栓选用拧紧轴 QMX62-32RT

阿特拉斯基本拧紧技术

夹紧力, 10% 螺纹副中的摩擦了, 40% 螺栓头下表面的摩擦力, 50%
The 50-40-10 规则
螺栓头下摩擦力 50%
螺纹副中 40%
扭矩
夹紧力 10%
90% 的扭矩用于克服摩擦力
100%
15 2021-04-10
夹紧力与摩擦力的关系
通常的情况螺栓头下摩擦力 50%
在螺栓头下加润滑油螺栓头下摩擦力 45%
6 2021-04-10
测量拧紧效果
T
我们能够测量的是扭矩T
F
F
F
F
我们想要得到的是夹紧力F
7 2021-04-10
扭矩－夹紧力
• 旋转螺母或螺丝使螺杆受力伸长 • 螺杆伸长产生的夹紧力把连接件夹紧 • 我们需要的是连接件中的夹紧力
8 2021-04-10
螺拴与连接件的关系
9 2021-04-10
动力工具输出扭矩
92 94 91 92 94 92 92
X=92,43
=1,13
T (Nm)
扭力扳手静态扭矩
103 106 103 100 100 103 100
X=102,14
(A)工具输出 120 (动态扭矩) 110 100
80 60 40 20
=2,27
26 2021-04-10
(B) 扭力扳手 (静态扭矩)
扭矩的过扭程度受连接件硬度以及工具转速影响。
目标扭矩旋转角度
23 2021-04-10
软、硬连接
扭矩
目标
过扭
硬连接
软连接
均值偏差
贴合点
2021-04-10
角度
如何在一个连接件上测量扭矩

亚特兰蒂斯·克彭高速紧固工具说明书

High-speed tightening – with low reaction toolsWhat is important in your tightening processes?Atlas Copco's low reaction tools close to eliminate the reaction force in assembly applications, delivering high-speed quality tightening while taking great care of the operator.Atlas Copco’s line-up of battery powered low reaction tools are designed to improve operator ergonomics. Not only will you increase productivity and optimize your factory up-time, you will also have less costs and time lost on operator injuries and fatigue.Choosing the right tool is the first – and most important – step towards a perfect operation. Regardless of which tool within our LRT range you choose, you will have a well balanced high quality tool. And choosing the right one will make the whole world of a difference.If you need a small and reliable workhorse that promises accuracy and speed, the pneumatic ErgoPulse PTI is an excellent solution.For maximum flexibility, high torque and the lowest vibration on the market – a cordless and powerful Atlas Copco TBP Pulse Tool is your choice.For reliable and accurate low reaction tightenings with lower torque, the cordless Tensor SRB offers an error-proof production.ErgoPulse PTI – your productive workhorseThe pneumatic, low weight ErgoPulse PTI is an excellent addition to the Atlas Copco LRT line-up. Increasing tool uptime with up to five times longer service intervals.With a durable and robust design the ErgoPulse PTI is faster and more accurate than ever and will improve the production quality and throughput. The ergonomic design of the tool takes care of your operators wellbeing, all while lowering the Total Cost of Ownership of your pulse tools. With fewer tool installations you can also enjoy lower set-up costs.The ErgoPulse PTI reduces the need formaintenance and is a proven and importantpart of this fleet. Our DuraPulse® technologymeans longer time between services with upto 5 x longer service intervals. With the rightstartup and maintenance you will have optimalperformance throughout the lifetime of the tool.With Torque Boost® the torque build-up is even faster, giving you reduced hoursper production unit. Quality is improved with a more robust and stable shut-offmechanism that increases accuracy and lowers the mean shift.Faster productionwith improved qualityQuality critical tightening and high productivity with the TBP-SThe all new cordless and slender TBP-S for one-handed operations, will ensure that your joint is tightened properly and trace the job done. Perfect for a reliable and quality critical tightening.With the same hardware as the TBP but with aslimmer software version suited for quality criticaltightenings, the TBP-S battery pulse tool is a robustyet slender solution for the middle segment. With amix of productivity, ergonomics and error-proofingthe TBP-S is proven to offer less maintenance andless down-time in production.Our DuraPulse® technology – also featured in theTBP – will ensure a robustness making the TBP-S areliable pulse tool that keeps on delivering.Low vibration and long service intervalsJust like the TBP, the TBP-S shows the lowestvibration levels in the market. This means operatorcomfort and safety, reducing work related costscaused by fatigue and injuries.The patented technology and design gives youlonger service intervals than with traditional pulsetools. With TorqueBoost®, the TBP-S has activecooling and advanced motor steering, so thetorque build up is fast and gives reduced hours perproduction unit.If you need morefunctionality in yourTBP-S you can easilyupgrade it to a fullyfunctional TBP withour upgrade kit.Future ProofSafety critical tightening and full traceability with the TBPSince launch, the TBP has been redefining what a low reaction pulse tool can do. Enjoy the benefits of a cordless tool for one-handed operations, enabling error-proof production.The Atlas Copco TBP is a reliable and powerful pulsetool, offering high torque tightening with very littlereaction. Giving you speed, accuracy, traceabilityand flexibility – with cordless freedom. With a TBPyou will have direct and accurate feedback of thejoint behavior.Anything is possible. Bring Error-Proofing to thenext level with our Barcode reader (EHMI) and alocation system like the ILT. Customize your toolwith accessories to fit your specific needs.Thanks to the patented technology and design,you will have longer service intervals than witha traditional pulse tools. Reduced oil leakage,separation of air and oil, and a cooler tool –meaning higher performance and uptime.Offering better protectionBV from injuries andincreasing the lifespan of your tools, results in hugesavings.Error-proof production with the cordless Tensor SRBThe Atlas Copco Tensor SRB delivers multipletightening technologies with accuracy, traceability, flexibility – and low reaction. It offers both traditional strategies like 2 steps and Quick Step, but also more advanced strategies such as TurboTight and TensorPulse. With a slim design it allows for easy access in cramped spaces.The Tensor SRB has low weight and great balance – with a slim design – ergonomically designed to prevent operator fatigue. New electronics and an improved motor will boost your productivity. Choose between 18v or 36v battery withoutcompromising the performance of speed or torque.Total Flexibility, Direct Drive, TurboTight™ and TensorPulseThe productive and cordless Tensor SRB will change the way you plan your assembly stations. Experience low reaction, one-handed operations with a strategy that fits your needs.DHD EEENTQSOORRLJJJKKKBBBBPFFCCAAGA B C D E F G H J K L NO PQ RSpacked with smart and innovative solutions. All to support our promise of delivering exactly the tool you need.A complete offerA flexible offer – Choose the functionality you needEach specific assembly has its own unique needs when it comes to functionalitylevel. With our flexible offer it is easy to find just the tool to get the job done, andfit it into your existing fleet. This, in combination with a common controller andvirtual stations, will lead to the best set up for your specific needs.Virtual stations: One controller – any toolIn a traditional assembly environment you willhave a vast range of reporting and non-reportingtools with different functionality, communicatingto a large number of controllers. Severalcontrollers, each controlling just the one tool.With Atlas Copco Virtual Stations you have onecontroller for multiple tools and reporting levels.Guided Rotaction socketsOur Rotaction concept promotes the increasing demands regarding operators safety and non-marking tools.The combination of free rotating sleeves and toolcovers for the connections "tool-to-socket" and socket covers for "extension-to-socket" improve operators safety significantly. This also eliminates user influence on the tightening.Thanks to extra stability from the elongated sleeve the socket delivers correct torque to the joint.Ergonomically this stability also protect operators from injury such as "white finger syndrome"Paired together we call it "Guided Rotaction".It protects your operators and maintains accuracy in your tightenings.Taking good care of your operators safety while maintaining joint accuracyBesides a wide range of standard products, customized solutions such as sockets, tool covers, multiples and much more can be realized with our team in Tierp, SwedenThe Rotaction range covers:¥Numerous sockets, bit sockets, bits and nut setters with freely rotating protection sleeves ¥Tool covers to bridge gaps between tool and socket ¥Socket covers to bridge gaps between extension and socket ¥Various extensions with rotating protection sleevesGuided socketWith Guided Rotaction the socket extends past the square drive A to give extra stability. The socket is held stable and eliminates wobbling thus maintaining force and improving operator comfort. This design is also found on our guided rotaction extensions.Rotaction covered socketsThe yellow sleeve B protects the user while the socket rotates on the inside. This provides a safer operation andminimized risk of scratches and marks on painted surfaces. It also eliminates any operator influence on the tightening. A tool cover C closes the gap between tool and socket protecting the operator from glove entanglement .BCAGuided Rotaction Sockets:¥Ergonomic¥Minimizes risk for injuries¥Eliminates user influence on the tightening ¥Gives extra stability ¥No scratching¥Delivers correct torque to the jointTake care of your investmentsEvery production line and industrial site is unique and has its own challenges. With that in mind, our service solutions are designed to help you get the most out of your industrial equipment. We combine analyses of production data with know-how and expertise in order to enhance your productivity and quality; while keeping you cost efficiency maintenance under control.Easystart – Right the First TimeNo two installations are the same. With Easystart it is easy to customize accordingto the customer needs per station. A trouble-free and efficient start of operationsfor your tightening system. Through a globally standardized and certified processfor every step, from programming to training, you will get it right the first time,saving time and money.ToolCover Maintenance Solutions help you optimize performance and gainefficiencies in your production while minimizing your tool costs and productionrisks. With a modular set of products, ToolCover is designed to meet your specificneeds and tool usage.Based on your needs, you can choose between Protect, Stability, Uptime.PreventiveMaintenanceOnce per tool and year Optimization based on historicproduction dataOptimization based on real-timeproduction dataKPI Monitoringand analysisYearly direct cost tracking Bi-annual direct and indirect costtracking per toolCustomized real-time monitoring andmonthly optimization analysis per tool Warranty Extended 3 month warranty aftermaintenanceFull contract lifetime warranty Full contract lifetime warrantyAtlas Copcoprofessional supportAnnual feedback meetings Bi-annual feedback andoptimization consultancyDedicated on-site Atlas Copco personnelRepairs Not included - but possible tocouple with RapidRepair contractYes - priority on workshop repairsand spare parts includedYes - included on-site supportRead more about our service offers at Take care of yourinvestmentsIncreasing valueIncreasing use ofproduction dataOptimize your tools –minimize your costsGuard your tools – maximizeyour productivityUptimeQualityCost eff.ModelBolt size mm Square drive in Torque range 1Free speed 2 r/min Weight Length mm CS dist mm Airconsumption under load Rec. hose size mm Air inlet thread in Ordering No.Nm ft lb kg lb l/s cfm High Pressure 3EP5PTI19 HR10-MT M63/88-196-1473000.9216823 6.51481/48431 0381 30 EP5PTI17 HR42-MT M61/4⁵7-175-1373000.9216823 6.51481/48431 0381 32EP6PTI32 HR10-MT M6-M83/816-3212-2390000.921682361381/48431 0381 40EP6PTI28 HR42-MT M6-M81/4⁵15-2811-2195000.921682361381/48431 0381 42EP7PTI55 HR10-MT M8-M103/830-5522-407000 1.2 2.517927919101/48431 0381 50EP8PTI70 HR10-MT M103/840-7029-517100 1.3 2.8179271021101/48431 0381 55EP9PTI80 HR13-MT M101/250-8037-595200 1.5 3.3191311328101/48431 0381 60EP11PTI100 HR13-MT M121/270-10052-744200 1.7 3.7201311430101/48431 0381 65EP13PTI150 HR13-MT M12-M141/285-15063-1105300 2.35201361532133/88431 0381 70Low pressure4EP5PTI15 HR10-MT-L M53/87-155-1169000.9216823 6.31381/48431 0382 30EP5PTI13 HR42-MT-L M4-M51/4⁵6-134-1069000.9216823 6.31381/48431 0382 32EP6PTI25 HR10-MT-L M63/813-259-1882000.921682361381/48431 0382 40EP6PTI25 HR42-MT-L M51/4⁵11-228-1682000.921682361381/48431 0382 42EP7PTI35 HR10-MT-L M63/823-3517-266200 1.2 2.517927615101/48431 0382 50EP8PTI45 HR10-MT-L M6-M83/833-4524-336300 1.3 2.817927817101/48431 0382 55EP9PTI65 HR13-MT-L M101/243-6532-484500 1.5 3.3191319.520101/48431 0382 60EP11PTI80 HR13-MT-L M10-M121/250-8037-593600 1.7 3.7201311328101/48431 0382 65EP13PTI110 HR13-MT-LM12-M141/263-11046-8140002.35201361634133/88431 0382 70Accessories Ordering No.Oil filling kit4250 3220 90Protective cover EP5/6PTI 4250 3209 00Protective cover EP7/8PTI 4250 3206 00Protective cover EP9PTI 4250 3216 00Protective cover EP11PTI 4250 3218 00Protective cover EP13PTI 4250 3214 00Quick Change Chuck4250 3218 00ErgoPulse PTIProtective cover is included for every tool1To be used as a guide only, final torque depends on type of joint, accessories used and air pressure.² In full speed mode³ Air pressure 6.3 bar / 91 psi ⁴ Air pressure 4 bar / 58 psi ⁵ Female Hexagon drive, Quick Change ChuckModelSquare Drive Guide Socket Torque range Nm ft lb ETP SRB31-25-103/8135-25 3.7-18.4ETP SRB31-25-I061/41135-25 3.7-18.4ETP SRB31-25-10-BD 3/8135-25 3.7-18.4ETP SRB31-25-I06-BD1/41135-25 3.7-18.4ETP SRB31-20-103/8125-20 3.7-14.75ETP SRB31-20-I061/41125-20 3.7-14.75ETP SRB31-20-10-BD 3/8125-20 3.7-14.75ETP SRB31-20-I06-BD 1/41125-20 3.7-14.75ETP TBP61-32-103/81312-358.9-25.8ETP TBP61-32-10-BD 3/81312-358.9-25.8ETP TBP61-32-421/411312-358.9-25.8ETP TBP61-32-42-BD 1/411312-358.9-25.8ETP TBP81-55-103/81320-5514.8-40.6ETP TBP81-55-10-BD 3/81320-5514.8-40.6ETP TBP91-80-131/21840-8029.5-59.0ETP TBP91-80-13-BD 1/21840-8029.5-59.0ETP TBP131-150-131/21855-15059-110ETP TBP131-150-13-BD 1/21855-15059-110ETP TBPS61-32-103/81312-359-26ETP TBPS61-32-421/411312-359-26ETP TBPS81-55-103/81320-5515-41ETP TBPS91-80-131/21830-8022-59ETP TBPS131-150-131/21855-15041-111ModelMax TorqueTensorPulse Nm ft lb Nm ETP SRB 31-20-102014.7516ETP SRB 31-25-102518.425Model Square Drive Input d mmLength mm Ordering No.Extension 1003/8251004027 1234 72Extension 1503/8251504027 1234 74Extension 2503/8252504027 1234 77Reference Code Square Drive Input d mmLength mm Ordering No.C223/8227.54027 1297 90C253/8257.54027 1297 91Model Length mm Square Drive Input d mmSocket Cover Ref.Ordering No.Socket 88503/822C224027 1292 08Socket 1010503/822C224027 1292 10Socket 1212503/822C224027 1292 12Socket 1313503/825C254027 1292 13Socket 1616503/825C254027 1292 16Socket 1717503/825C254027 1292 17ModelSquare Drive Guide socket Input d mm Length mmOrdering No.ETP TBP61-32-10ETP TBP61-32-10-BD ETP TBPS61-32-103/81322 & 259.54027 1297 30Batteries Ordering No.Ugrade kit TBP-S64211 5645 30Ugrade kit TBP-S84211 5645 31Ugrade kit TBP-S94211 5645 32Ugrade kit TBP-S134211 5645 33AccessoriesOrdering No.Protective cover TBP6 & TBP84250 3135 60Protective cover TBP94250 3135 62Protective cover TBP134250 3135 63SRB/TBP Tool Holder 4220 3584 86 Protective cover SRB 4220 2744 07 AccessoriesFoot protective cover Protective cover 18V Protective cover 36V STB Battery Charger Adapter4211 6083 87Tensor SRB Torque RangesLow Reaction Battery ToolsGuided Rotaction Extensions 13 Socket covers, Rotaction Guided Rotaction Sockets 13 Tool cover for Guided Rotaction Sockets TBP-S Upgrade kit Accessories 25 mm22 mmLdTool covers, Guided Rotaction sockets and others that aren't listed here can be special requested from our Competence Center Sockets & Bits1 0 9 0 123 3 8 9。

Atlas Copco基本拧紧技术

Tensile load
1-8
AC tightening technique
Bolt tension = 20 kN
1-9
AC tightening technique
Bolt tension = ?
1-10
AC tightening technique
ton
Bolt tension = ?
1-15
AC tightening technique
The Joint Loaded by an Applied Force连接负载被一应用的力产生
1-16
AC tightening technique
The Joint Loaded by an Applied Force
Zero clamp at the
1-5
AC tightening technique
Clamping force vs tensile load and shear load夹紧力和螺栓张力和剪切力
Tensile load
Clamping force
Shear load
Shear load
1-6
AC tightening technique
历史背景
十九世纪工业革命开始，为得到更大的生产力要求工业产品必须达到： •系统化 •质量可控性 •可复制性
28
AC tightening technique
连接图
德国人Rotscher 在1927年提出了连接图，这种方法直到今天仍在使用，帮助我们理解连接的力学特性和进行计算。
29
AC tightening technique
AC tightening technique

拧紧技术介绍

Atlas电动工具的拧紧网络系统设计
底层总线结构
Ethernet TCP/IP für SDOK Server Interbus zur Fördertechnikanbindung PF3000 Master RS232 Scanner
ü IO Expander ber mehr mö glich
连接件
扭矩 (Nm)
塑性拧紧弹性拧紧屈服点
预拧紧
贴合点
拧紧角度值 (o)
抗拉强度 / 屈服
应力 N/mm²
抗拉强度
失效 75 % 抗拉应力 100* 8=800 N/mm2 屈服应力 800* 0,8=640 N/mm2 屈服弹性区
拉伸度
螺栓连接形式
Torque
X Nm
< 30 deg
Hard Joint
Torque
Cp & Cpk
High Cp-value Low Cpk-value
High Cp-value High Cpk-value
Demands vary in MVI : Ford accept Cpk > 1.33 Volvo accept Cpk > 2
能力计算
We did a test on a joint that should be tightened at 50+/- 5 Nm. We got an average of 49 Nm and =0.8 Nm.
屈服点控制法
优点：屈服点控制法的优点是将螺栓拧至其屈服点,最大限度地发挥了螺纹件强度的潜力。
缺点：屈服点法对拧紧全过程进行控制和监测。它对干扰因素比较敏感, 同时对螺栓的性能及结构设计要求极高, 控制难度较大。因此拧紧工具价格十分昂贵。

基本拧紧技术

动态扭矩:在拧紧螺栓的同时用在线式扭矩传感器测量静态扭矩:安装后用扭矩扳手测量
软连接－－静态扭矩较动态扭矩要偏小，原因是衰减。VDI2230里系统的方法设置螺拴即有计算扭矩衰减这一步骤
软连接上实测值
均值标准偏差 (Sigma) 3 Sigma
装配 (动态) 100.2 100.5 100.7 100.3 100.4 100.8 100.5 100.2 100.2 100.4
Angle of rotation 旋转的角度
弹性松弛会影响夹紧力
Time
材料弹性松弛会使夹紧力衰减!
衰减的时间
牛米
断气
衰减
时间
• 60-70%的衰减发生在30毫秒以内
软连接和硬连接
软连接、硬连接
Joint characteristics can also define the tool type required (ISO 5393) 连接的特性也决定着所需工具的类型．
100.42 0.21 0.63
86.7
手测 (静态) 88 84 92 86 90 88 86 85 84 84
2.8 8.4
硬连接上－－由于较高的静态摩擦力，静态扭矩可比动态扭矩要高。右下图中倒V 的拐点即是扭力扳手测得的硬连接上的静态扭矩
硬连接上的扭矩实测值
动力工具输出扭矩
92 94 91 92 94 92 92
基本拧紧技术

内容
1.扭矩，摩擦力和夹紧力
2.软连接和硬连接 3.动态扭矩和静态扭矩 4.拧紧时检测出现的问题
扭矩，摩擦力和夹紧力
生产装配的几种方法
▪ 焊接 ▪ 胶合 ▪ 铆接 ▪ 螺栓连接
为什么使用螺栓连接
• 装配简单 • 拆卸方便 • 效率高 • 成本低

Atlas Copco拧紧的五个质量等级

AC Tightening Technique阿特拉斯·科普柯拧紧技术五步拧紧-怎么达到零错误装配？错误越晚被发现，成本损失越大。

且损失不是简单的倍数关系，而是成几何级数增长。

装配开始工位1错误侦测成本: <2 min 操作人员时间工位2错误侦测成本: 10-30 min 操作人员时间+材料成本最终工位错误侦测成本: >30 min 操作人员时间+ 材料成本或者废次品更可怕的是用户发现错误成本: 产品价值, 未来的销售, 良好的形象等等。

12发生在装配行业的一些常见的问题Conventional tool遗漏螺丝坏螺纹的螺丝扭矩错误过早切断错误/ 遗漏部件交付的质量?T重复性差•Hardjoint •Softjoint OK NOK品质损失返工遗漏12没有可追踪性5 个等级...12•Step 1扭矩OK !•Step 2批次OK !•Step 3连接OK !•Step 4安全性要求的拧紧OK!•Step 5零错误装配•Step 0部件结合!Step 0:把部件结合在一起过程质量级别:+ 速度快，没有反作用力-没有精度和过程的安全等级可言-操作人员和工具无法决定精度12345部件结合!所需设备:z 冲击扳手z 非断气的油压脉冲型工具离合器12Step 1.确保一个正确的拧紧扭矩所需设备:z 工具可以提供一个精确的和预先设定的扭矩过程质量等级:+工具有正确的扭矩精度-部分受操作人员和工件的影响12+/-25 to 40%+/-2,5Pulse AirImpact Wrench Tensor S/ST +/-5%Tensor DS/DL +/-10 to 25%Clutch tools +/-7,5 to 10%over 6σin accordance to ISO5393QMX /ETX+/-10 to 15%Step 1.确保一个正确的拧紧扭矩21Step 2.确保所有的螺丝被拧紧所需设备:z一个具有拧紧自动计数的系统过程质量等级:+工具有正确的扭矩精度+所有的螺丝都会被拧紧--依然不了解连接的状态21Step 2.确保所有的螺丝被拧紧z 你如何可以完全确认螺栓旋入是正确的？计算角度, 比如旋转度数的数值12345Step 3.确保连接正确完成零出错拧紧的5个等级z 旋入的角度监控12Step 1 angleacceptance windowacceptance windowTorqueAngleFinal targetSpeedStep 3.确保连接正确12TimeSpeedTorque50 ms在拧紧旋入过程中会暂停50 ms , 以消除弹性释放力z 两步拧紧消除了弹性释放力Step 3.确保连接正确12What is a safety critical joint? See the critical joint application guide on: /criticaljointStep 4.确保有安全性要求的连接件完全拧紧所需设备:z 通过一个可追踪校准的传感器进行扭矩控制z 对于扭矩结果进行文档保存z 在整个拧紧过程进行连续的监测Station 1Tighten with Pulse/ImpacttoolStation 2Click Wrench to secure it hasbeen fastenedStation 3Paint marker to prove it hasbeen tightened第一次就正确的理念Station 1更少的操作人员更少的人力更低的生产成本更高的生产效率减少人机工程学问题缩短生产线!12In the PAST:/过去:NOW:现在：Advant age:优点:12Tensor S 应用于安全性要求的装配:z 可追踪的数据(通过一个校准过的传感器)z 结果包括日期、时间和VIN 储存在控制器(PF) 中z结果会被送到更高等级的数据收集系统Step 4.确保有安全性要求的连接件完全拧紧Tensor S/ST 可追踪过程的循环12工具配备传感器，旋入& 实时监控结果存贮在PF3000 和ToolsNet 3000每一把工具的校准数据存贮扭矩的验证Power Focus 3000 内置的出错校验12z “拧紧OK”(每个螺拴OK/NOK 信号)z “批次OK”( 具有相同扭矩的一组螺拴OK/NOK信号)z “Job OK”( 使用一个PF3000拧紧的一系列的螺拴OK/NOK 信号)z “Cell job OK”(使用多个PF3000拧紧的一系列的螺拴OK/NOK 信号)Link to animation “Job”Link to animation “Cell Job”Tool enable to PF3000End of Footprint12ToolsNet案例: PF 内置的在线控制1. 产品进入工位–条形码扫描仪被激活2. 条形码被扫描–Batch/Job/Cell job 被选择，工具被激活3. 操作人员完成拧紧操作4. 每一次拧紧和条形码一起汇报给ToolsNet 数据库5. 当Job = OK 工具断开, 等待新的产品6. 当在Job OK 前产品到达印记末端, PF 输出报警ToolsNet 3000-“所有的拧紧都文档纪录”12z 自动收集来自于所有PF3000 和PowerMACS 控制器的数据z ToolsNet 储存每一个拧紧包括P roduct ID-number, T ool serial number, T ightening result, T races, D ate, T ime, etc.z 方便在数据库中搜索z 标准的报告Tools Net Server21Step 4.Case: Water tight engine assembly (Volkswagen Marine, Germany)21Step 5.确保零错误装配系统需求:z工具控制器和工厂网络的网络连接z局部鉴定z不合格产品管理21Step 5.确保零错误装配12Step 5.Case: BMW -KISSQKISSQ -serverProductioncontrolsystemToolsNet-精确的和预设定的工具扭矩-不受操作人员影响•连接OK !•安全性要求的拧紧OK!•零出错拧紧概要5 steps...-螺丝计数-无重复拧紧-坏的连接-角度监测=>连接控制-可计算数值-可追踪-拧紧数据收集-控制器和工厂生产系统网络连接-不合格产品管理•批次OK !•扭矩OK !-无精度和过程安全完成零出错拧紧的5个等级We are committed to your superior productivity throughinteraction and innovation.通过互动与创新，我们承诺您实现卓越生产力。

《基本拧紧技术》课件

工业制造
工业制造领域中的许多设备和机械都需要扭矩拧紧来确保安全和可靠性。
扭矩拧紧的注意事项
1 选择合适的扭矩值 2 使用正确的工具
3 拧紧前检查紧固件
根据紧固件和应用的要求，选择适当的扭矩数值。
使用专业的扭矩工具进行拧紧操作，确保精准和安全。
检查紧固件的状态、配件是否齐全，确保拧紧过程的顺利进行。
4 适当维护保持其准确度和可靠性。
存放扭矩工具时，避免潮湿的环境，以免影响工具的使用寿命。
扭矩拧紧技术的优势
保证紧固件的正确拧紧
扭矩拧紧技术确保紧固件按照要求达到准确的扭矩数值。
提高生产效率
扭矩拧紧工具的使用可以提高装配速度和生产线的效率。
减少紧固件的损坏
精准的扭矩控制能够避免紧固件过紧或过松而引起的损坏。
降低安全事故概率
正确的扭矩拧紧可以有效减少因紧固件问题引起的安全事故概率。
通过弹簧拉力的变化来测量扭矩数值。
2
扳手表
使用电子力矩传感器来测量扭矩数值。
3
扭矩限制器
通过设置扭矩限值来限制扭矩的大小。
扭矩拧紧的应用
汽车制造
扭矩拧紧用于汽车装配过程中，确保紧固件牢固可靠。
航天航空
扭矩拧紧技术在航天器和飞机的制造和维护中扮演着重要角色。
机器人制造
机器人的精准扭矩控制是实现高质量产品的关键。
《基本拧紧技术》PPT课件
欢迎来到《基本拧紧技术》PPT课件。在本课件中，我们将深入探讨拧紧技术的基础知识以及应用领域，并分享一些有效的技巧和注意事项。让我们开始吧！
什么是扭矩？
扭矩是指在力的作用下，物体绕着一个轴旋转时所产生的力矩。它是衡量拧紧力大小的关键参数。

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Why use bolted joints?为什么使用螺栓连接
It’s so easy that a child can do it
• Easy and quick assembly(简单方便) • Can be disassembled and reassembled(可以拆卸和重新装配) • Standardised well-defined element(标准化)
AC Tightening Technique
阿特拉斯·科普柯拧紧技术
BASIC TIGHTENING T E C H N I Q U E
基本拧紧技术
1-1
AC tightening technique
基本拧紧技术
介绍装配过程中的基本问题，为正确和使用选择工具提供指导
对客户来讲，成功的关键是所使用的工具／设备能够匹配其特定需要．
• 我们需要的是连接件中的夹紧力
1-36
AC tightening technique
Torque measurement扭矩测量
Clamping force is the aim at but it is hard to measure.
Torque is easy to measure and apply.夹紧力是目标但是比较难测量但是扭矩比较容易测量
1-5
AC tightening technique
Clamping force vs tensile load and shear load夹紧力和螺栓张力和剪切力
Tensile load
Clamping force
Shear load Shear load
Tensile load
1-6
AC tightening technique
1-23
AC tightening technique
螺栓连接的受力
剪切
1-24
AC tightening technique
拉伸
一定要确保施加的扭矩达到最小需要扭矩
• 夹紧力一定要高于外部载荷
• 安全余量载荷的影响因素: – 振动 – 摩擦力的变化 – 连接件尺寸变化 – 拧紧精度
1-25
AC tightening technique
30
AC tightening technique
VDI 2230－使用范围
VDI 2230的应用非常广泛，包括带60度法兰的高强度螺拴，螺丝大小从M4到M39。
它给出的是单螺拴连接的分析指导。由多个螺拴组成的连接，负荷首先要被分配，使每个螺拴上的负荷确定下来。
31
AC tightening technique
The applied torque is measured应用力矩
Clamping force Needed需要的夹紧力
1-37
AC tightening technique
Torque T=Fxr
F
Ta
r F
Ta=Fr Tb= ½ Fr
Result: Ta= 2 Tb
TbБайду номын сангаас
½r
F = applied force (in Newton) r = lever length (in meters)
1-20
AC tightening technique
Question
What is the major difference between a bolted joint on one hand and a welded, glued or riveted joint on the other hand? THE BOLTED JOINT IS PRELOADED!
28
AC tightening technique
连接图
德国人Rotscher 在1927年提出了连接图，这种方法直到今天仍在使用，帮助我们理解连接的力学特性和进行计算。
29
AC tightening technique
VDI 2230，德国工程师协会 2230标准
基于从1960年代就开始的研究，德国工程师协会(VDI， German Society of Engineers) 发布了VDI2230：高负荷连接的系统计算方法－ Systematic Calculation of High Duty Joints.
1-8
AC tightening technique
Bolt tension = 20 kN
1-9
AC tightening technique
Bolt tension = ?
ton
1-10
AC tightening technique
Bolt tension = ?
ton
= 10 kN
1-11
1-17
AC tightening technique
The Joint Loaded by an Applied Force
1-18
AC tightening technique
Question
What is the major difference between a bolted joint on one hand and a welded, glued or riveted joint on the other hand?螺栓连接和焊接铆接粘接有什么最大的区别 And what is the consequence of this difference?这个不同点有什么重要的
AC tightening technique
Is the bolt tension now approximately…….. 现在螺栓的拉伸力大约是多少?
10 kN? 20 kN? Or 30 kN?
1-12
AC tightening technique
The Correct answer is: 正确的答案是:
1-38
AC tightening technique
为了拧紧螺栓, 必须施加力以便拧紧螺母/螺丝
1-39
AC tightening technique
1-15
AC tightening technique
The Joint Loaded by an Applied Force连接负载被一应用的力产生
1-16
AC tightening technique
The Joint Loaded by an Applied Force
Zero clamp at the interface. 界面中没有夹紧
螺拴与连接件的关系
拉伸弹簧＋压紧弹簧
1-32
AC tightening technique
连接件图
螺拴和连接的变形
压力力
拉力
连接件压缩
螺栓拉伸
压缩量
伸长量
连接件图
1-33
AC tightening technique
螺栓连接的变形关系
夹紧力
预紧力
螺栓伸长δ1
连接件压缩δ2
变形
连接图解
INTERESTING – BUT WHAT IS THE VALUE OF THAT? 意义-但是这个价值是什么
1-22
AC tightening technique
Variations in external loads are only to a small extent transferred to the bolt => The fatigue resistance of the bolt becomes very high 外部负载的变化只有很小的一部分会转移到螺栓上=>这样螺栓就不容易由于负载的交变而产生疲劳损坏 It provides a frictional grip => It will not come apart if the parts cannot move in relation to each other 提供了一个有摩擦力的夹紧=>这将不会出现部件分离如果部件不能有相互的位移
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AC tightening technique
Question
What is the major difference between a bolted joint on one hand and a welded, glued or riveted joint on the other hand? THE BOLTED JOINT IS PRELOADED! And what is the consequence of this diffference? ONLY A SMALL PORTION OF THE EXTERNAL LOAD IS TRANSFERRED TO THE BOLT!
1-19
AC tightening technique
Question
What is the major difference between a bolted joint on one hand and a welded, glued or riveted joint on the other hand? THE BOLTED JOINT IS PRELOADED!螺栓连接有预加负载 And what is the consequence of this diffference?
1-2
AC tightening technique
Different ways of assembling装配的不同方法
• Welding(焊接) • Gluing(粘接)