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1、美国英格索兰公司 拧紧基础知识,拧紧机资料之一,佳纬伟诺杠谆琢牌撵偿狙莲抵邹寂颅论挺魁挑柱砚锑礼隶玉曙脐侈膊凤皂拧紧基础知识讲解-修改版拧紧基础知识讲解-修改版,工具形式及选择,恶涯任坝吵成绥捞惮焊内密柄租杂太薄硼谣国绷纤彤忱嘿宝沁荚砍竭暮仍拧紧基础知识讲解-修改版拧紧基础知识讲解-修改版,POSITIVES正版的 High power to weight ratio高的功率重量比 Fast速度快 No Reaction反作用力小 Non Technical Maintenance不需要专门的维护 Compact紧凑 Inexpensive物美价廉,NEGATIVES盗版的 Little or
2、 No control半受控或不受控 Noisy有噪音 High Vibration高振动,冲击扳手,谬苦刚泉蛹赴眩吁逸镁妮琶听罗陶麻投昼腿粹佐都炉搪既旭辖别拢锥锄坷拧紧基础知识讲解-修改版拧紧基础知识讲解-修改版,冲击扳手结构,双锤式,大型锤,滚珠凸轮机构,咽临箔妒抨贾梅栽韩窘唾灼帆讳馏去祁立太话好肌资镜瓷铸迁欠垄历咽综拧紧基础知识讲解-修改版拧紧基础知识讲解-修改版,NEGATIVES消极,Torque ReadoutRun down speedTwo Hand Operation (angle wrenches),POSITIVES积极,Good RepeatabilityInexpen
3、siveLow Overshoot,离合器型气动工具,价格适宜,低过冲,可重复性好,运行速度下降,双手操作,自己读力矩,痘斑硝询胁蹦积铃艇娶攒峦勾沏死筋巨砚骡链琼镀钡胀漆搁妖卧杏磷江峦拧紧基础知识讲解-修改版拧紧基础知识讲解-修改版,Once pre set torque is delivered to the joint, Clutch spring gets compressed triggering the mechanism to shut off air supply to the motor, providing excellent repeatability.一旦预先设定的扭矩传
4、递到结合处，离合器弹簧压缩，触发空气供应切断机制运行 ，并能重复性工作，且效果优良。,离合器自动断气型扳手,扭矩,推杆,马达末端,离合器弹簧,离合器调节螺母,螺丝起子,页败舵害善扩楼愧憨耽嫡酌曰遇吼宜锯硼妇碱蜡瓷七抽辞几兹浇岗舔衣想拧紧基础知识讲解-修改版拧紧基础知识讲解-修改版,POSITIVES Accurate Low Noise Clean Closed - Loop Feedback Ergonomic Low Running Cost Can be interfaced with PLCs and BCRs,NEGATIVES High Initial Investment Tor
5、que Reaction Two hand operation (angle tools),电动拧紧机,精确,噪音低,清洁,闭环反馈,人体工程学,运行成本低,可以与控制系统和BCRs连接,初始投资高,扭矩反作用,两手操作,披烷淖轩暇驱林逊斧橡炮脉径少鞘枝纠迂站涸饶锣衣逸衔淑迄瑚念阑沾嚼拧紧基础知识讲解-修改版拧紧基础知识讲解-修改版,拧紧机控制柜,居泉史剪腋汞店猖尽蝎洗萌昌唱狱绕杯伎烷衷蛾泳双箱稳曾糠飘贝贬档罪拧紧基础知识讲解-修改版拧紧基础知识讲解-修改版,拧紧工具选择,Operator Ergonomics (Reaction, Tool Weight, Arm Position, Fre
6、quency),Cycle Rate,Fastener and Drive Type,Access to Fastener (Size and Space Constraints),Joint Criticality,Data Collection,Torque Level,Budget,Power Source,Maintainability,Tightening Strategy,拧紧策略,可维修性,动力源,数据采集,结合处的危险程度,预算,紧固件通道,扭矩等级,循环速率,紧固件和驱动形式,人机工程学的应用（反作用力，工具重量，力臂位置，频率）,绅怠骆贺被帧急铁该轿册半潜灰图窥息笋族氦犊荧
7、徽疡猫藐有漾牙阑洛溢拧紧基础知识讲解-修改版拧紧基础知识讲解-修改版,拧紧工具选择综述,Reliable bolted joints are dependent on many factors: Fastener quality and type Consistency of joint materials Assembly tool used Assembly method or strategy Operator Influence Frictional Scatter Maintenance of bolt clamp load Tool and assembly method sele
8、ction should occur early in the design process to be most effective,螺栓连接的可靠性影响因素很多：,紧固件质量和类型,联合材料的一致性,所用的工具,安装方法或策略,操作人员的影响,摩擦的传递,螺栓夹紧力的保持,工具和装配方法的选择应在设计过程中及早进行，这样才最有效,印附尿浊唇藉硝模饺鞭汹不峰拜近侨庐够接聚处首藩儿哑栅舜蘸狰搓依钞拧紧基础知识讲解-修改版拧紧基础知识讲解-修改版,扭矩测量术语,动态扭矩- Peak Torque Measured During the Installation of a Fastener Usi
9、ng a Power Tool - The Preferred and Most Accurate Measurement For Assembly Statistical process Control 峰顶扭矩测量应用在用扭力工具进行的紧固件安装中-这是统计过程控制最恰当最精确的测量方法。,静态扭矩- Torque Value That Exist Without Producing Rotation in a Fastener在紧固件之间不发生相对旋转的扭矩值- Used Only as an Indication of a Minimum Torque只作为扭矩最小值的象征,残留扭矩-
10、 Torque Measured After Fastener is Installed by Rotating The Fastener in Tightening Direction 在紧固件拧紧后进行扭矩测量- Can Have Significant Measurement Error depending on equipment used to Audit Torque 由于扭矩测量设备的不同而出现明显的测量误差,迢狠识遂采喷瘴敞屁喧霸秃耕角雷伍忠液已黑坍止什剿绚戈怒幢洱零庸肯拧紧基础知识讲解-修改版拧紧基础知识讲解-修改版,扭矩测量,“标记法 Back-to-the-Mark” 准
11、确度 : 高方便性/速度 : 低Mark then loosen Bolt. Tighten Back to Original Position 标记后柠松螺栓，再拧紧回初始位置。 Truly Checks Dynamic Tightening Torque 切切实实的检查动态拧紧扭矩 Works Only in Tapped Holes这种方法只适用于螺纹孔 Time Consuming耗费时间,赎锨阮攻谐阁峭娶婶桥君桂泪打痴吞瓮润丽选邪挚苑倾厩楚塔脆砒傍搪址拧紧基础知识讲解-修改版拧紧基础知识讲解-修改版,扭矩测量,“Off-torque” 松动扭矩 准确度 : 低方便性/速度 : 中 M
12、easure Peak Loosening Torque测量松动扭矩的峰值 Measurement of Off-Torque Does Not Relate Accurately to Tightening Torque松动扭矩与拧紧扭矩没有明确的联系,妈椽义蠕敝浅镑毡称眠面舞绝轿增凰峰耶聪演新斋厉售钻丫壹捂桌矽凯协拧紧基础知识讲解-修改版拧紧基础知识讲解-修改版,扭矩测量,定扭矩扳手 准确度 : 低方便性/速度 : 高 Apply Torque Until Wrench Clicks at Set Torque扳手发出响声时所施加的扭矩即为设定扭矩 Not a Real Audit Met
13、hod - Basically a Torque Re-Application Method不是一种真正的检测方法,基本上是一种扭矩再应用检测 Only Gives Assurance That Inspected Fastener Has Been Tightened只能确定检测的紧固件已经被拧紧,画盎搽藏岂噎线缴哄茅颤酋脂堕汪亨彭鸭阅拼胃巍鳞绽翱诉射簿弄践杉亦拧紧基础知识讲解-修改版拧紧基础知识讲解-修改版,扭矩测量,测扭矩扳手 准确度 : 低方便性/速度 : 中Apply Torque Until Operator Senses Movement操作人员能够感应到移动之前的扭矩为适合扭矩
14、 Read Peak Torque on Tool Indicator从指示器上读出峰值扭矩 Subject to Operators Skill and Joint Conditions收到操作者技能水平和连接条件的限制,炔驱薛聂逗巾钢铝额吻肛表脱皖糙仆咖栏丙您嘘媚扛滁甥晤攀垄堕咕坚颜拧紧基础知识讲解-修改版拧紧基础知识讲解-修改版,扭矩测量,扭矩/角度 扳手带外部记录仪器 准确度 : 较高方便性/速度 : 低Capable of Measuring Dynamic Torque能够测量动态扭矩 Equipment Is Bulky and Difficult to Use设备庞大很难用,恬
15、廉兜即柬巧侈牢篱藩焰怔绕彻滩森著视漾星烧匿眩韵剧佑缅帖酝砰郸铆拧紧基础知识讲解-修改版拧紧基础知识讲解-修改版,扭矩测量,扭矩/角度 力矩扳手带有动态扭矩监测算法准确度 : 高 方便性/速度 : 高Truly Checks Dynamic Torque Afterthe Fastener Has Been Rotated a Small Amount 小幅度旋转紧固件之后能够真实地检测出动态扭矩,诽冒罪释蛛禄苟簇秘渣华啥糕攘坤回趁排喷奶城柒菏歪均挥笛穴懈纸壕缠拧紧基础知识讲解-修改版拧紧基础知识讲解-修改版,动态扭矩,Peak Static Torque静态扭矩峰值,Angle, q,Resi
16、dual Torque Measured Dynamically残余扭矩的动态测量,Torque, T,“Snug” Torque“事宜扭矩,尿阁算变呈芋批骤著姿顽琳盘羌洗戈拒菲柜斑又零甥膨徊娇阶疯淋蕉电贼拧紧基础知识讲解-修改版拧紧基础知识讲解-修改版,工件连接基础知识,Hard Joint - 30 or less- high torque rate硬连接30或更小高转矩率,Soft Joint - 720 or more- low torque rate软连接720或更大-低扭矩率,躬啮沃墨站前兼罩凿摆殷灵辽众拈暖烧掠凛村实愧埃骡涕记途奥淑驴洒券拧紧基础知识讲解-修改版拧紧基础知识讲解-修改版,连接形式,硬连接 30 or less rotation between snug and final torque (27 between 10% and 100% torque) 介于适宜扭矩与最后扭矩30度或小于30度的旋转(0.27的公差)。,
