钢板剪切工艺规程.doc

江苏江苏宝力重工有限公司 剪切工艺流程Shenring process procedure钢板剪切工艺规程（以下简称规程）适用于（数显）剪切机及通用剪切机斜刃剪切低碳钢板。Steel plateshearprocess planning(hereinafter referred to as therules)is suitable for the(digital)and generalshearing machineshearing machineshearingof low carbon steel.1. 设备、工具1equipment,tools2.1设备The 2.1 deviceQC12Y-6X3200Y液压剪板机QC12Y-6X3200Yhydraulic shearing machine2.2 工具The 2.2 tool钢尺 01000mm钢卷尺 03500mmThe ruleris 0 1000mmSteel tape0 3500mm2. 剪板机调整2shearsadjustment3.1刀片间隙The 3.1 bladeclearance 上、下刀片间隙过小时，剪切断面的断裂带易被挤坏，剪切力也会增大。当间隙过大时，条料的弯曲和拉伸严重，毛刺增大，尺寸精度下降。上、下刀片间隙的推荐数据见表1。Last,the lower bladeclearanceis too small,easilycrushedfracturesection of shearband,shear stressincreases.When the gapis too large,the stripbending and stretchingseriousburrsize precision,increase,decrease.The recommendeddataunderthe blade gap,see table 1.表1剪切刀片间隙Table 1shearblade gap材料厚度The thickness of the material刀片间隙The blade clearance1.00.0751.50.1252.50.153.00.25.00.353.2刀片的直线度The 3.2 bladestraightness刀片的直线度一般规定为0.03mm。Straightnessgeneralblade is0.03mm.3.3后定位及标尺3.3 after thelocation andscale根据产品图样规定尺寸要求，调整后定位及左（或右）标尺并紧固。当剪切材料较厚、尺寸比较大的板料时，为保证尺寸准确，可同时采用前后定位。According to the drawingsrequired sizerequirements,after adjustment forpositioningand left(orright)scaleandfastening.Whencuttingthick material,dimensions of materialof relatively large,in order to ensure theaccurate size,canalsoadopt thepositioning.3.4试剪3.4shear test机器调整好后，试剪12块料，检查试品的长宽，直线度，垂直度，毛刺高度等，若误差不符合要求，应继续调整。Adjust the machine,try tocut 1 2block,check thesamplelength and width,straightness,vertical,burrheight,if theerrordoes not meet the requirements,shouldcontinue to adjust3. 质量要求3 quality requirements4.1 材料平面度4.1 materialflatness钢板平面应不大于表2的规定，当钢板平面度超过表2规定时需用钢板校平机校平后再进行剪切。The provisionsof steel plateshould be less than2,when the plateflatnessspecified in Table 2with thesteel plate levelingmachinelevelingandshearing.表2钢板平面度 Table 2flatness mm材料厚度（mm）The thickness of the material(mm)平面度Flatness32334.2 剪切线性尺寸的一般公差见表34.2shear lineardimensions ofgeneral tolerancesare shown in Table 3表3线性尺寸的一般公差 General tolerancesfor linear dimensionsin Table 3 mm料厚等级尺寸分段22448ABAAB300.050.400.080.600.100.80301200.050.600.100.600.100.801204000.080.600.150.800.151.5040010000.100.800.201.000.151.50100016000.201.000.251.500.302.00160025000.301.200.402.000.502.504.3剪切直线度一般公差见表44.3shearstraightnessGeneral tolerancesare shown in Table 4表4直线度一般公差 Table 4linearityGeneral tolerances mm料厚等级尺寸分段22448ABABAB300.100.300.100.300.200.50301200.150.400.150.800.400.801204000.200.500.251.000.501.0040010000.250.600.301.200.801.20100016000.300.800.401.501.001.60160025000.451.000.501.601.202.004.4剪切垂直度的一般公差见表54.4shearverticalityGeneral tolerancesare shown in Table 5表5垂直度的一般公差 Table 5the verticality ofthe general tolerance mm料厚等级尺寸分段22448ABABAB301200.150.300.250.500.401.001204000.250.500.400.600.501.2040010000.400.800.501.000.601.50100016000.601.200.801.201.002.00160020001.002.001.201.501.502.504.5毛刺的高度的一般公差见表6General tolerances of4.5 of the height of theburris shown in Table 6表6毛刺高度的一般公差 Table 6the burrheight ofgeneraltolerances mm等级料厚AB1.00.050.081.01.50.060.121.52.50.080.162.54.00.100.204.08.00.120.264.6 公差等级的确定当产品图样上剪料尺寸有公差时，剪切件应符合产品图样上的公差要求；若产品图样上没有要求时，应按剪切机的精度等级分A、B两极确定。a)表3表6的A级公差适用于精度高的数控剪板机加工的剪切件。b)表3表6的B级公差适用于精度低的非数控剪板机加工的剪切件。To determine thetolerance levelof4.6When the productpatterncuttingsizetolerances,shearcomponents should comply with theproductdrawingstolerances;if there is norequirement of productdrawings,should according to theprecisionshearing machineis divided intoA,B polesdetermined.A)table 3 to tableatolerance of 6forshearpartsin CNChigh precisionshearing machineprocessing.B)table3 to tableB tolerance class6is applicable toshearthe nonCNC shearing machinemachiningprecision5.剪切力的确定一般在剪板机上的铭牌上都有明确的规定，当铭牌上没有此数据时应查阅剪板机的使用说明书。To determine the 5shear stressGeneralprovisions are clearin the cutting machineon the nameplate,nameplate onthe datawhennoshould consult theshearing machineinstructions.6.检验6.1 操作者对每批剪切件的首件应自检，自检合格后再交给检验员检验，经检验员检验合格后方可继续生产。6 inspection6.1thefirst pieceof each batchof shear connectorsshould beself inspection,self inspectionand thento inspectorinspection,the inspectorbefore it cancontinue to produce.6.2检验员应根据剪切件的品种和数量，除进行首件检验外，还应随时进行抽检，发现问题及时解决。6.2the inspector