公制 英制 美制螺紋對(duì)照表 螺紋標(biāo)準(zhǔn)手冊(cè).doc

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1、公制英制美制螺紋對(duì)照表螺紋標(biāo)準(zhǔn)手冊(cè)常用規(guī)格（公制）M1.2×0.25M2.5×0.45M6×0.75M10×0.75M1.4×0.3M2.6×0.45M6×1M10×1M1.6×0.35M3×0.5M7×0.75M10×1.25M1.7×0.25M3×0.6M7×1M10×1.5M1.7×0.35M3.5×0.6M8×0.75M11×1M1.8×0.35M4×0.5M8×1M11×1.5M2×0.4M4×0.7M8×1.25M12×1M2.2×0.45M5×0.5M9×1M12×1.25M2.3×0.45M5×0.8M9×1.25M12×1.5常用規(guī)格（美制）0-80UNF5-

2、40UNC10-32UNF5/16〃-32UNEF1-64UNC5-44UNV12-24UNC3/8〃-16UNC1-72UNF6-32UNC12-28UNF3/8〃-24UNF2-56UNC6-40UNF12-32UNEF3/8〃-32UNEF2-64UNF5/32〃-32UNC1/4〃-20UNC7/16〃-14UNC3-48UNC8-32UNC1/4〃-28UNF7/16〃-20UNF3-56UNF8-36UNF1/4〃-32UNEF7/16〃-28UNEF4-40UNC3/16〃-24UNC5/16〃-18UNC1/2〃-13UNC4-48UNF10-24UNC5/16

3、〃-24UNF1/2〃-20UNF常用規(guī)格（英制）1/8〃-401/2〃-121〃-82〃-4.55/32〃-329/16〃-121-1/8〃-72-1/8〃-43/16〃-245/8〃-111-1/4〃-72-1/4〃-47/32〃-2411/16〃-111-3/8〃-62-1/2〃-41/4〃-203/4〃-161-1/2〃-62-3/4〃-45/16〃-1813/16〃-101-5/8〃-53-1/4〃-43/8〃-167/8〃-91-1/4〃-53-1/2〃-47/16〃-1415/16〃-91-7/8〃-4.53-3/4〃-44〃-4英制管螺紋對(duì)照表英制錐管螺紋對(duì)照表

4、公稱直徑螺距底孔直徑底孔深度公稱直徑螺距底孔直徑底孔深度G1/41.33711.420(19)ZG1/80.9078.115(28)G3/81.33714.924(19)ZG1/41.33710.820(19)G3/41.81424.131(14)ZG1/21.81417.929(14)G12.30930.337(11)ZG3/41.81423.231(14)G1-1/42.30938.940(11)G12.30929.237(11)G1-1/22.30944.842(11)1-1/42.30937.740(11)G22.30956.644(11)ZG1-1/22.30943.

5、542(11)ZG22.30955.044(11)應(yīng)該是1"7/16-12UN（F）吧是美制螺紋的一種標(biāo)注，1-7/16表示螺紋尺寸理論大徑為25.4*23/16=36.5125-12表示每英寸12牙。UN（F）表示粗牙螺紋查表數(shù)據(jù)為：大徑36.467，中徑34.943，小徑33.947（外螺紋尺寸）大徑36.513，中徑35.331，小徑34.671（內(nèi)螺紋）實(shí)際加工時(shí)：螺紋外徑車到36.32mm（36.178～36.466），螺距為2.1167（外螺紋）車到33.65mm螺紋孔徑車到33.50mm（34.214～34.671），螺距為2.1167（內(nèi)螺紋）車到36.84mm