自攻螺丝自攻螺丝 扭力强度Word文档格式.docx

1、Procedure:測試程序A. PI ace the sp lit collet into the collet holder and screw the faste ner into the collet such that a minimum of 2 full threads are in the collet and a minimum of 2 threads are above the collet.將螺絲置入測試夾具中再將夾具放入夾具座，螺絲至少應有兩個完全牙在夾具中，兩牙在夾具上方.B. P lace the collet holder in the screw test i

2、ng fixture and cla mp into p lace.將夾具座固定在螺絲測試座上C. App ly torque with a torque wrench un til the part twists off.扭轉扳手直到螺絲扭斷D. Record failure value and compare to the required sp ecificati on.記錄破壞值且與規範值比較Failure: Part twists in two at less tha n sp ecified mi nimum.失效：螺絲扭斷值小於規範值Po ssible Failure Cause

3、s: 失效可能因素A. Core Hard ness too low.心部硬度太低B. Case Hardn ess too low.表面硬度太低C. Case Hardn ess too shallow.有效滲碳層不足D. Minor diameter too small. 最小徑（牙底徑太小ASME B1863 -20134.11.3 Torsi onal Stren gth Test. Screws shall be securely clamped by suitable means, such that the cla mped p orti on threads are not d

4、amaged and that at least two full threads p roject above the cla mping device, and that at least two full threads exclusive of point, flutes, or end slot, are held with in the cla mping device. （A bli nd hole may be used in p lace of a threaded cla mping device, pro vided the hole dep ths is such as

5、 to in sure that breakage will occur bey ond the point or the full le ngth of the flutes or end slot. By means of a suitablycalibrated torque measuri ng device, torque shall be app lied to the screw un til failure occurs. The torque required to cause failure shall no less tha n the minimum value giv

6、e n in Table 50 for the type and size of screwtorsi onal stre ngth tests onbeing tested. A typ ical fixture for con duct ing tapping screws is depi cted in Fig. 4.扭力強度測試：螺絲應以適當的方式安全的夾於一相配合的分離盲孔或其他裝置 中以防止所夾緊的螺紋不致損毀，並且露出至少 2全牙於夾具上至少2全牙（不包括尾端、割尾、或凹槽握於夾具之中。（盲孔可以取代螺紋夾具，其孔深應能保証螺絲不會在尾端、割尾全長或尖尾位置斷裂以一校正過且適當的

7、扭力量測設備，測試直到斷裂為止，當斷裂時的扭力應不可小於表 50之最小值。典型的扭力強度測試設備請參考圖4。!| a.*5 二圖4-扭力強度測試參考圖表50 -自攻螺絲之扭力強度要求螺絲規格最小扭力強度,Ib-in.TypeType AAB ,B ,BF ,BP ,BTType C ,D , F, G , TType TRS粗牙細牙10121315141820222423273039424748# 10567465# 12838893108# 141251/4142140179156# 16152# 181965/16290306370330# 20250# 244923/87/161/259

8、0560710600620700820840102010751285ASME B18.6.5M -20003.3Torsio nal Stren gth Test for All Types of Screws . The sha nk of thesample screw （coated or un coated, as received shall be securelycla mped in a mat ing, sp lit, bli nd hole die （see Fig.1 , or otherequivale nt means, such that the followi ng

9、 requireme nts are met:所有類型之螺絲的 扭力強度測試：將螺絲（接收時有塗層或無塗層）的桿部安全 的夾在一個相配合的分離盲孔模具（參閱圖1,或其他相同裝置中，並滿足下列規 定：（a the clamped p orti on of the threads is not damaged被夾部位的螺紋不能損傷（b at least two full-form threads p roject above the cla mping device至少2全牙突出於夾具上方（c at least two full-form threads exclusive of the poin

10、t taper or the flutes are held within the cla mping device （a bli nd hole may be used in pl ace of the cla mping device, pro vided the hole depth en sures that screw breakage will occur bey ond the point taper or the full le ngth of the flutes至少2全牙（不包括尾端、割尾、或凹槽 夾在夾具之中。（盲孔可以取代夾 緊裝 置，其孔深應能保證螺絲不會在尾端、割尾

11、全長或尖尾位置斷裂By means of a suitably calibrated torque-measuri ng device, torque shall be app lied to the screw un til failure occurs. The torque required to cause failure shall equal or exceed the minimum value sp ecified in Table 4 for the type and size of screw being tested.以一校正過之適當的扭力量測設備，測試 螺絲直到產生斷裂

12、。當斷裂時的扭力應 不可小於表4規定之最小值。oFIG.1 TYPICAL TORSIONAL STRENGTH TEST FIXTURE表4 -自攻螺絲之扭力強度要求Type AB, B, BF, BT 螺絲 丁心 D絲 T 螺扭力，Nm2.2X0.80.4M2X0.40.52.9x11.5M2.5x0.451.13.5X1.32.7M3X0.52.04.2X1.44.4M3.5X0.63.14.8X1.66.3M4X0.74.65.5X1.89.9M5X0.89.46.3X1.816M6x18x2.133M8x1.25409.5X2.167M10X1.578SAE J78-2013 Ste

13、el Self-Drilling Tapping Screws 鋼鐵自鑽螺絲（IFI 113與SAE J78完全相同 5.1 Torsio nal Stre ngth Screws shall not fail with the app licati on of a torque less tha n the torsi onal stre ngth torque sp ecified in Table 5, whe n tested in accorda nee with 5.1.1.扭力強度：當依據5.1.1段所述測試時，螺絲扭斷時的扭力強度應不能小於表 5所列的數值。5.1.1 TORS

14、IONAL STRENGTH TEST The sam pie screw shall be securely cla mped by suitable means （Figure 5 such that the threads in the cla mped len gth are not damaged, and that at least two full threads p roject above the cla mping device, and that at least two full threads exclusive of point, flutes, or thread

15、 cutt ing slot, are held with in the clamping device. By means of a suitably calibrated torque measuri ng device, torque shall be app lied to the screw un til failure of the screw occurs. The torque required to cause failure shall be recorded as the torsi onal stre ngth torque.螺絲樣品應安全的被夾緊於適當的夾座（圖5以防

16、止螺絲夾緊長度 部位的螺紋損傷，並且露出至少 2個全牙於夾具上，至少2個全牙握於夾具之中 但不包括尾端、凹槽、或割溝螺紋在內。以一校正過適合的扭力設備測試直到斷 裂，斷裂時所記錄的扭力就是扭力強度扭力。表5 Type BSD與Type CSD自鑽螺絲的機械性與功能性要求#4#6#8#1061#1292100150SAE J81-2012 Thread Rolli ng Screws _ 螺紋滾牙螺絲3.3.3TORSIONAL STRENGTH Screws shall not fail with the applicati on of a torque less tha n the tors

17、i onal stre ngth torque specified in Tables 5A and5B, whe n tested in accorda nee with 4.5.依據 4.5 段所述測試時，螺絲扭斷時的扭力強度不能小於表 5 所歹U的數值。4.5 Torsi onal Stren gth Test The sample screw shall be securely clampedby suitable means （Figure 2 such that the threads in the clamped length arenot damaged, and that a

18、t least two full threads p roject above the clamping device, and that at least two full threads exclusive of point （2 to 3 1/2 thread p itches are held with in the cla mping device. A bli nd hole may be used in place of a threaded clamp ing device, provided the hole depths is such as to insure that

19、breakage will occur beyond the po int （2 to 3 1/2 thread p itches By means of a suitably calibrated torque-measuri ng device, torque shall be app lied to the screw until failure of the screw occurs. The torque required to cause failure shall be recorded as the torsional strength torque.扭斷強度測試:螺絲樣品應以

20、適當的方式牢固的夾緊（圖2以防止在夾具中的螺紋 不被損傷，並且露出至少2個完全牙在夾具上，以及至少 2個完全牙（不包括2二 3.5 P的尾端在內握於夾具之中。一種盲孔可以使用來取代螺紋夾具，所提供之孔 深需能確保斷裂不會產生在尾端（2广35 P處。以一支校正過的適當扭力設備測試 直到斷裂。失效的扭力應被記錄並作為扭斷強度扭力。4.10 Torque Wren ches Torque wren ches used in all tests shall be accurate within 2% of the maximum of the sp ecified torque range of th

21、ewren ch. Alter natively, a torque-se nsing po wer device of equivale ntaccuracy may be used.扭力扳手:測試時使用的所有扭力扳手，其準確度應在扳手最大扭力範圍的 之內。此外擁有相同準確度的扭力感應動力裝置也可被使用。%表5-螺紋滾牙螺絲的機械性能與功能性要求最小扭力強度in-lb2-563-484-405-406-328-3210-243/8 -167/16 -141/2 -131080SAE J933-2013 Mecha ni cal a nd Quality Requireme nts for T

22、apping Screws 自攻 螺絲的機械性與品質要求3.3 Torsio nal Stren gth Test Shank of sample screw （coated or un coated,as received shall be securely cla mped in a mati ng, sp lit, bli nd-hole die（Figure 1 or other means, such that the cla mped p orti on of the threads isnot damaged and at least two full threads proje

23、ct above the clampingdevice and at least two full form threads exclusive of point, flute（s, or end slot are held within the clampi ng device. （A bli nd hole may be used in placeof the clamp ing device, provid ing the hole depth is such as to in sure that the breakage will occur bey ond the point, or

24、 the full le ngth of the flute（s or end slot. By means of a suitably calibrated torque measuri ng device, applytorque to the screw un til failure occurs. The torque required to causefailure shall equal or exceed the mi nimum value show n in Table 2 for the type and size of screw being tested.螺絲樣品的桿部

25、_（接收時是電鍍或未電鍍應被穩固的夾於一相配合 的分開盲孔中（圖9或用其他方式，使被夾緊的螺紋部分不受到損傷，並且露出至 少2個全牙於夾具上及至少2個全牙（不包括尾端、割尾或末端握於夾具之中。（一 種盲孔可以用來取代夾具，其孔深應能保證螺絲不會在尾端、割尾全長、或尖尾位 置斷裂。以一支校正過且適當的扭力量測設備，施加扭力於螺絲上直到斷裂為 止，斷裂時的扭力應等於或大於表 2所列的最小值。表 2 自 攻螺絲 的最小 扭力強度要求螺絲規格最小扭力強度，Ib-inType C, D,F,G,TAB,B,BF,BG,BP 和 Type CBTNo.2456No.39No.4No.5No.6No.7二-

26、No.8No.10No.12No.14No.16No.18No.20SAE J1237-2001 Metric Thread Rolli ng Screws 公制螺紋滾牙螺絲3.5.3TORSIONAL STRENGTH Type 2 ? screws shall not fail with theapp licati on of a torque less tha n the tors ional stre ngth torque sp ecified in Table 6 whe n tested in accorda nee with 4.5.當依據4.5段測試時，Type 2 ?螺絲扭斷時的扭力強度應不能小於表 所列的數值。表6 Type 2 ?螺紋滾成螺絲的機械性要求最小扭力強度N.m07M2 5x0 45M3x0.53.5M4x0.75.2M5x0.810.5M6x1.017.743.0M10x1.587.0M12x1.75152.04.5 Torsio nal Stren gth Test The sam pie screw shall be securely clamped bysuitable means （Figure 3 such that the threads in the clamped