锯机供货的技术要求1 概述：锯机指管坯锯、管排锯和返切（取样）锯。管坯锯的作用是把实心的连铸圆棒料锯 切成要求的长度，不考虑锯切头尾，仅用于锯切定尺：管排锯的作用是对成排的钢管切头、 切尾和锯切成要求的长度：返切（取样）锯的作用是把单支钢管上有缺陷的部分锯切掉。2 管坯锯：21 原料的说明连铸圆棒（在V型辊道上单根输送，输送速度为o.5m/s）直径：直径公差原料长度：原料重量： 原料端部表面质量：坯温：原料椭圆度：原料弯曲度：220 , 280、330 mm （考虑锯切360mm的可能性） 1.4%600010000 mm最大 7990Kg火焰切割（带少量的切割结瘤，其高度W10 mm） 100 CW2.5 %10 mm/m （取大 80 mm/全长）原料钢种：10#45#、Q295、Q345、20G、15CrM0G、12CrMoVG、10CrMo910、Pll、P22、27SiMn、15MnV、12Cr2Mo、40Mn2、40Cr、35CrMoAPI 5L）：A25、A、B、X42X70API 5CT）：J55、L80、N80、P110、C95、V150各钢种的化学成分参见相关标准。4001138N/mmHRC2018004500 mmW10010 mmWRa25抗拉强度：表面硬度： 22 管坯锯切要求 切后坯长： 端部表面垂直度偏差 长度定尺误差： 锯切表面粗糙度23 机组生产能力：指两台或三台锯机的总的生产能力。年生产能力60万吨。（作业时间取6000小时/年）热轧机组的节奏要求为：220坯的产量：120支/小时280坯的产量：95支/小时330坯的产量：65支/小时锯切管坯规格及主要参数（含热轧线能力）。见下表管坯冷锯锯切管坯规格及主要参数序号成品管尺寸管坯热轧线能力外径壁厚长度直径定尺长度倍尺长度锯切刀数mmmmmmmmmmmp/h11335.0011220.0184655783120.021338.0011220.0287286563120.0313310.0010.5220.0337867962120.0413318.0012220.0436587702120.05139.76.2011220.0237771713120.06139.79.1710.5220.0327898743120.07139.715.87&5220.0438388062120.08139.722.239.5220.0441688722120.091405.5011220.0212564153120.0101408.0011220.0302591153120.01114010.0010220.0339768342120.01214024.009220.0443389062120.013141.35.6011220.0218265863120.014141.39.5010220.0326998473120.015141.312.009220.0365573502120.016141.312.709220.0385077402120.017141.319.1010.5220.0431186622120.018153.715.0011.5220.0419584302120.0191596.0011220.0262279063120.0201598.0010220.0313894543120.02115910.009220.0349770342120.02215914.0011.5220.0407481882120.02315918.0010220.0444389262120.02415922.008220.0433287042120.0251686.0010.5220.0265079903120.0序号成品管尺寸管坯热轧线能力外径壁厚长度直径定尺长度倍尺长度锯切刀数mmmmmmmmmmmp/h261688.009.5220.0315995173120.02716810.00&5220.0350170422120.02816816.0010.5220.0446389662120.02916824.007220.0431786742120.03016 8.37.3210220.0306392293120.03116 8.312.0611.5220.0378576102120.03216 8.35.6010.5220.0248474923120.03316 8.38.70&5220.0307492623120.03416 8.314.3011220.0422084802120.03516 8.321.907.5220.0424785342120.036177.85.8710220.0262179033120.037177.88.05&5220.0302291063120.038177.810.3611.5220.0347169822120.039177.815.8710220.0448190022120.040177.822.237220.0430986582120.0411805.510220.0249375193120.04218079.5220.0299290163120.043180912220.0320796613120.0441801210.5220.0369674322120.04518018&5220.0434387262120.046180246.5220.0434787342120.047193.77.62&5220.0314194633120.048193.79.5211220.0335367462120.049193.712.710220.0400780542120.050193.719.057.5220.0439588302120.05119469220.0264279663120.0序号成品管尺寸管坯热轧线能力外径壁厚长度直径定尺长度倍尺长度锯切刀数mmmmmmmmmmmp/h52194812220.0309893343120.053194149.5220.0418084002120.054194246220.0435987582120.055194349220.0446989782120.056219.17.7211290.028818683390.057219.18.9410290.030219103390.058219.112.7&5290.035927224290.059219.1711290.026207900390.060219.1&211290.030499187390.061219.115.911.5290.040198078290.062219.125.48290.043548748290.0632197.511290.028008440390.064219109.5290.032049652390.0652191811.5290.044778994290.066219346.5290.044939026290.067244.57.9210290.030089064390.068244.58.949290.030459175390.069244.510.03&5290.032209700390.070244.513.8411290.037977634290.071244.520.249290.044298898290.072245710290.026738059390.073245&59.5290.030649232390.0742451211.5290.034756990290.0752451810290.044008840290.076245247.5290.044218882290.0772453411290.043548748290.0序号成品管尺寸管坯热轧线能力外径壁厚长度直径定尺长度倍尺长度锯切刀数mmmmmmmmmmmp/h7827379290.026938119390.079273&5