导轨尺寸(公差)和重量

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1、导轨可为冷拔型，也可为机械加工型。其制造工艺用下列符号表示：/A为冷拔型，/B表示机械加工，/BE表示高质量机械加工。所使用的原材料钢的抗拉强度应至少为370N/mm2且不大于520N/mm2。宜使用Q235作为原材料钢，机械加工导轨的原材料钢的抗拉强度宜不小于410N/mm2。导轨的长度以毫米表示：公差为±2mm。批量供应的产品，长度宜为5000mm。机械加工导轨的技术特性型号s/cm2q1/(kg/m)e/cmIx-x/cm4wx-x/cm3ix-x/cmIy-y/cm4wy-y/cm3iy-y/cm(T75/B)10.918.5641.86140.299.2861

2、.92126.477.0601.557(T78/B)9.8467.7301.64529.927.5641.74326.396.7661.637T89/B15.7712.382.03259.8314.351.94852.4111.781.823(T90/B)17.2513.542.612102.020.862.43152.4811.661.744(T114/B)20.8916.402.865179.329.702.930108.619.052.280T125/B或/BE22.8217.912.430151.026.162.572159.125.462.641T127-1/

3、B或/BE22.7417.852.770187.930.653.065149.923.612.361T127-2/B或/BE28.7222.552.478201.731.172.640229.936.202.829T140-1/B或/BE35.1527.593.236403.353.323.387309.744.242.968T140-2/B或/BE43.2133.923.484456.768.013.251358.251.182.879T140-3/B或/BE57.5245.154.418947.5114.44.059466.766.672.848导轨尺寸和公差单位为

4、毫米型号和公差b1h1kncfgrsm1m2u1u2dd1b3l2gl3glh(T75/B)7562103089733.002.973.503.001326421052513861(T78/B)7856102678.562.53.002.973.53.001326421052513855T89/B896216341011.17.936.406.377.146.35132657.2114.338.115661(T90/B)907516421010846.406.377.146.35132657.2114.338.115674(T114/B)1148916389.51184

5、6.406.377.146.35173370114.338.115688T125/B或/BE1258216421012846.406.377.146.35173379.4114.338.115681T127-1/B或/BE1278916451011846.406.377.146.35173379.4114.338.115688T127-2/B或/BE1278916511015.912.756.406.377.146.35173379.4114.338.115688T140-1/B或/BE140108195112.715.912.756.406.377.146.35214

6、092.1152.431.8193107T140-2/B或/BE14010228.65117.517.514.556.406.377.146.35214092.1152.431.8193101T140-3/B或/BE14012731.75571925.417.556.406.377.146.35214092.1152.431.8193126公差/B类别±1.5±0.75＋0.10＋30－±0.75±0.75－＋0.0600-0.06±0.1±0.1－－±0.2±0.2±0.2＋30±0.1公差/BE类别±1.5±0.75＋0.050＋30－±0.75±0.75－＋0.0

7、300-0.03±0.1±0.1－－±0.2±0.2±0.2＋30±0.05注：l2g、l3g、d和b3与连接板的l2f、l3f、d和b3的尺寸及公差相同。导轨的化学成分、机械性能质量保证范围项目钢号化学成分%机械性能CMnSiSP延伸率%抗拉强度Q235-A0.14—0.220.30—0.650.12—0.30≤0.050≤0.045≥26≥37515D0.12—0.220.35—0.650.12—0.30≤0.040≤0.040≥25370—520连接板（FISHPLATES）技术参数型号db2b3l1l2l3vmmmmmmmmmmm