螺絲扭力規(guī)格及標(biāo)準(zhǔn).doc

螺絲扭力規(guī)格及標(biāo)準(zhǔn)螺絲扭力規(guī)格 螺絲直徑 硬度 螺絲扭力規(guī)格 螺絲直徑高硬度材質(zhì)用扭力標(biāo)準(zhǔn)較低硬度材質(zhì)用扭力標(biāo)準(zhǔn)M1.00.150 (kg x cm)0.120 (kg x cm)M1.10.220 (kg x cm)0.176 (kg x cm)M1.20.320 (kg x cm)0.256 (kg x cm)M1.40.480 (kg x cm)0.384 (kg x cm) M1.60.700 (kg x cm)0.560 (kg x cm)M1.81.100 (kg x cm)0.880 (kg x cm)M2.01.500 (kg x cm)1.200 (kg x cm)M2.22.000 (kg x cm)1.600 (kg x cm)M2.53.200 (kg x cm)2.560 (kg x cm)M3.06.000 (kg x cm)4.800 (kg x cm)M3.59.400 (kg x cm)7.520 (kg x cm)M4.014.000 (kg x cm)11.200 (kg x cm)M4.520.500 (kg x cm)16.400 (kg x cm)M5.029.000 (kg x cm)23.200 (kg x cm)M6.049.000 (kg x cm)39.200 (kg x cm)備註：1. 高硬度材質(zhì)為鐵類材質(zhì) 2. 較低硬度材質(zhì)用扭力標(biāo)準(zhǔn)為非鐵類材質(zhì)，如 ABS，M/B，F(xiàn)DD 塑膠框 依材質(zhì)區(qū)分之螺絲扭力規(guī)格Mothersrew sizePlasticAluminumBrassLow Carbon SteelStainless SteelM21.0-1.11.3-1.41.8-2.02.0-2.22.3-2.4M2.62.6-2.62.8-3.24.0-4.54.5-5.05.0-5.5M33.1-3.43.9-4.25.5-6.06.0-6.66.6-7.3M47.6-8.39.5-10.413.5-14.915.0-16.516.7-18.3M511.2-12.213.9-15.319.8-21.822.0-24.224.2-26.9#2 - 561.2-1.31.5-1.62.1-2.32.3-2.52.6-2.9#4 - 402.5-2.73.1-3.44.5-5.04.9-5.45.4-6.0#6 - 324.4-4.95.5-6.18.3-9.19.1-10.010.0-11.0#8 - 329.0-9.911.3-12.417.2-18.618.5-20.520.6-22.8#10 - 3215.9-17.719.9-22.126.9-29.830.8-34.234.4-36.7Unit:Kgf-cmP.S)1. The material of screw is low carbon steel.2. The data as above is used in order to utilize the full strength of threades fasteners without damaging the threads. It should be used as a guid in tightening threaded fasteners.3. 美規(guī)螺絲a . #2-56 (0.086-56): 2 番56 牙 b #4-40 (0.112-40) : 4 番40 牙c. #6-32 (0.138-32) : 6 番32 牙d. #8-32 (0.164-32) : 8 番32 牙 e. #10-24 (0.190-24): 10 番24 牙20.1 " Plastics LCD Monitercase screw : 粗牙 6 kgf-cm inner PCB 4 Kgf-cm speaker : 2 Kgf-cm螺絲扭力標(biāo)準(zhǔn) (目前常用之螺絲扭力標(biāo)準(zhǔn)) A B C D EM3 8 8 6 10 12M3.5 10 8 6 M4 16 12 8 2022M530 20 12 M6 50 30 M8 120 70 M10240 140 M12420 260 單位：Kgf.cm;容許誤差：10%A、 鐵螺絲與鐵螺帽（螺孔）之固定，如：*箱體各組件之組合。*接地螺絲、螺帽之固定。*PCB固定于箱體。B、鐵螺絲、銅螺帽（螺孔及鋁合金材料螺孔之螺定，如：*電晶體或線材端子固定于鋁散熱片上。*鋁散熱片固定于PCB上。*大電容或電晶體端子（TERMINAL）之固定螺絲。*RS-232六角銅柱之固定。C、鐵螺絲（自攻）鎖于塑膠孔。*塑膠面板固定于箱體。*PCB固定于塑膠面板上。D、鐵螺絲（自攻）鎖于板厚1.0之抽牙孔。*M3抽牙也為2.8(+0,-0.05)*M4抽牙孔為3.65(+0.05,-0)E、鐵螺絲（自攻鎖于板厚1.2之抽牙孔，抽牙孔尺寸同D項。