Test to Failure保载度测试 - Instructions

1、Torque to Failure TestRevision: November 19, 2013Approved By: Mike M.Work Instruction保证载荷测试修改: 2013.09.19批准: Mike M.工作指令PurposeSet Up EquipmentTestingRecording Results目的设置机器检测结果记录Purpose Alternative testing method to ensure the proof load of the nut meets the specified requirements Proof load is eva

2、luated on the nut via torque. The test bolt will usually break before the value is reached目的 备选测试方法，以确保螺母的保载度满足规定要求 保载度是通过计算螺母上的扭矩得出的 测试所用螺栓通常在达到该值前断裂Equipment Test dies (91-06-00) as indicated on the Die Fixture Torque to Failure Test Dwg. Left hand bolt for left hand nuts & right hand bolt for

3、 right hand nuts. Check nut print to determine thread specification. Torque wrench with capability to evaluate test results within the values identified on the control sheet.Test DiesTest BoltTorque Wrench设备 检测螺栓(91-06-00)作为指示给对模具夹具扭矩保载测试的Dwg. 向左方向、向右方向的螺栓和螺母需配套。检查螺母确定其螺纹规格。 扭矩扳手应在控制表中的值的范围内评估测试结果。检

4、测模具测试螺栓扭矩扳手 SPAC Nut Socket as indicated on drawing # 90-02-00: Octagon Test Sockets Table vise Thread gauge as per control sheetTable ViseSPAC Nut SocketThread Gauge SPAC螺母套筒如图纸90-02-00所述：八角形测试座 台虎钳 螺纹量规如每个控制表所述台虎钳SPAC 螺母套筒螺纹量规Set-Up1.Insert the test bolt through the pair of diesT he test bolt must

5、 be protruding through both dies to allow for the nut to be threaded on fully. Head of bolt to Head of bolt to be flush with diebe flush with dieProtruding BoltProtruding BoltDieDieDieDie设置1.通过组合模具的插入测试螺栓测试螺栓必须通过这两个模具伸出，以使得所述螺母被充分拧上。螺栓头与模具螺栓头与模具齐平齐平伸出的螺栓伸出的螺栓模具模具模具模具Set-Up2.Hand screw the nut onto t

6、he test bolt. The body of the nut must be against the die. The pilot face must be facing up as shown.SPACSPAC Nut NutNut is Bottomed Nut is Bottomed on Dieon DiePilot Face, Pilot Face, facing upfacing upDiesDiesTest BoltTest Bolt设置2.用手拧紧螺母到测试螺栓上。 螺母的主体必须是紧靠模具。 导正筒的上部必须朝上，如图所示。SPACSPAC 螺母螺母螺母与模具螺母与模具

7、触底触底导正筒导正筒朝上朝上模模具具测试螺栓测试螺栓Procedure1. Clamp assembled unit into the vise. Clamp only the across flats of the Hex on the test bolt. Test bolt must be clamped tight enough to refrain from rotating during test. The dies must be free to rotate.Clamped on Across Flats of Test BoltDies are on top of the v

8、ise and are free to rotateNut程序1. 夹具组装该组合插入台钳。 只夹紧测试螺栓的对边。 测试螺栓必须夹足够紧，以避免在测试过程中旋转。 模具必须能够自由地转动。夹紧测试螺栓的对边模具在台虎钳上并可以自由转动螺母Procedure2. Install socket onto the torque wrench. Use Drawing # 90-02-02 for SPAC Sockets SPAC Nut SocketTorque Wrench程序2. 将套筒安装在扭矩扳手上 用SPAC 套筒的图纸# 90-02-02SPAC 螺母套筒扭矩扳手Procedure3

9、. Place the torque wrench over the nut and torque the nut (clockwise for right hand nuts or counter clockwise for left hand nuts) to the specified torque value on the control sheet or to failure, whichever come first.a)Zero the torque wrenchb)Torque until either the bolt breaks or the requirement to

10、rque value has been met.c)Note: To determine if nut is left or right hand see customer print for thread specification.Bolt BROKE程序3. Place the torque wrench over the nut and torque the nut (clockwise for right hand nuts or counter clockwise for left hand nuts) to the specified torque value on the co

11、ntrol sheet or to failure, whichever come first.将扭矩扳手放在螺母上并扭转螺母（顺时针方向为向右方向的螺母或逆时针向左方向的螺母）扭矩到在控制表规定的扭矩值或断裂，无论哪种情况先产生。a)扭矩扳手归零b)扭转，直至螺栓断裂或已经达到要求的扭矩值。c)注意：要确定螺母是向左方向或向右方向，见客户所规定的的螺纹规格.螺栓断裂Procedure4. Remove the nut from the bolt or remove the broken segment from the nut.程序4. 将螺母从断裂螺栓上拧下，或将断裂螺栓从螺母中旋出Procedure5. Verify thread acceptability using the thread gauge on the control sheet. Go & No Go Thread Gauge must pass the nut.程序5. 使