螺丝扭力规格及标准.doc

螺絲扭力規格及标准 ?? 发布日期：2010-01-17 ??浏览次数：213 螺絲扭力規格 螺絲直徑 硬度 螺絲扭力規格 螺絲直徑 高硬度材質用扭力標準 較低硬度材質用扭力標準 M1.0 0.150 (kg x cm) 0.120 (kg x cm) M1.1 0.220 (kg x cm) 0.176 (kg x cm) M1.2 0.320 (kg x cm) 0.256 (kg x cm) M1.4 0.480 (kg x cm) 0.384 (kg x cm) M1.6 0.700 (kg x cm) 0.560 (kg x cm) M1.8 1.100 (kg x cm) 0.880 (kg x cm) M2.0 1.500 (kg x cm) 1.200 (kg x cm) M2.2 2.000 (kg x cm) 1.600 (kg x cm) M2.5 3.200 (kg x cm) 2.560 (kg x cm) M3.0 6.000 (kg x cm) 4.800 (kg x cm) M3.5 9.400 (kg x cm) 7.520 (kg x cm) M4.0 14.000 (kg x cm) 11.200 (kg x cm) M4.5 20.500 (kg x cm) 16.400 (kg x cm) M5.0 29.000 (kg x cm) 23.200 (kg x cm) M6.0 49.000 (kg x cm) 39.200 (kg x cm) 備註： 高硬度材質為鐵類材質 較低硬度材質用扭力標準為非鐵類材質，如 ABS，M/B，FDD 塑膠框 　 　依材質區分之螺絲扭力規格 Mothersrew size Plastic Aluminum Brass Low Carbon Steel Stainless Steel M2 1.0-1.1 1.3-1.4 1.8-2.0 2.0-2.2 2.3-2.4 M2.6 2.6-2.6 2.8-3.2 4.0-4.5 4.5-5.0 5.0-5.5 M3 3.1-3.4 3.9-4.2 5.5-6.0 6.0-6.6 6.6-7.3 M4 7.6-8.3 9.5-10.4 13.5-14.9 15.0-16.5 16.7-18.3 M5 11.2-12.2 13.9-15.3 19.8-21.8 22.0-24.2 24.2-26.9 #2 - 56 1.2-1.3 1.5-1.6 2.1-2.3 2.3-2.5 2.6-2.9 #4 - 40 2.5-2.7 3.1-3.4 4.5-5.0 4.9-5.4 5.4-6.0 #6 - 32 4.4-4.9 5.5-6.1 8.3-9.1 9.1-10.0 10.0-11.0 #8 - 32 9.0-9.9 11.3-12.4 17.2-18.6 18.5-20.5 20.6-22.8 #10 - 32 15.9-17.7 19.9-22.1 26.9-29.8 30.8-34.2 34.4-36.7 Unit:Kgf-cm P.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 Moniter case screw : 粗牙 6 kgf-cm ??????????????????? inner PCB 4 Kgf-cm ??????????????????? speaker : 2 Kgf-cm 螺丝扭力标准 (目前常用之螺丝扭力标准)?????????? A???? B?? ? C???? D???? ?EM3??? ?8???? 8??? ? 6??? 10???? 12M3.5 10??? 8??? ? 6??? —????? —