IS200DSPXH1CAA咨询***：18506919598（卢工）***：312782195由以上分析可知，数控冲床基准的选择关系到零件加工精度，产品的装配精应和性能指标。设计基准的选择应在产品设计阶段确定，要从成台产品的技术指标、性能要求、零部件装配关系等出发，结合零件的制造和数控冲床装自己方泌选定。***基准、度量基准和装配准则由工艺人员在制订工艺规程时确定，并涵过生产实践不断改造。***基准选择的原则如下。1.粗基准的选择(1)所选择的粗基：住妥能保证主要加工交由有足够及均匀的加工余量，这样有利于保证主要表而加工的精度和表面层的物理机械性能。(2)若工件有不需加工的表面，则应选择其巾与加工表面有相互位置精度裂求的表因为粗基准。如图所示铸造零件，要求加工及表面B，则宜选择毛面C为粗基准，用三爪卡盘兴持C处，这样，孔加工完后零件壁事较均匀。(3)所选择的粗基准应比较先洁平整，避兔选择有飞边、浇胃口的表面。(4)一个粗基准一般只能使用一次，在练工序中应选择已加工表面作为精基准。但对于精度高的毛坯，如由精销、精锻等方法制造的毛坯，在加工表面相互位置精庭要求较低时也可重复使用同一粗基准。2.数控冲床价基准的选择(1)选择精度较高的己加工面为精基准。(2)使寇位基准与其它基准(如设计基准、度量基准、装配基准)重食，通常称之为"基准重合"原则。当***基准与说计基准不重合日才会产生***误差。(3)所选择的精基准应使工件安装可辙，在加工时不敖因切削力的作用而过多地变彤、偏移等，应尽量选较大的加工面为精基准。(4)所选择的精基惟应尽可能在几个工序中重复使用，即符合"基准同一"原则，可以应免因基准转担起而带来误羞。MitsubishiA1S61PEUPowerSupply200-240VAC,5vdc5AMitsubishiA1S63PPowerSupply15-31VDC,5VDC5AMitsubishiA2USHCPU-S1CPUUnit30KMitsubishiA1SCPUCPUUnitMitsubishiA1SJ71UC24-R2RS232MitsubishiA1S68TDTempertureInputModule8CHMitsubishiA1S68ADAnalogInputModule8CH0-10VDC0-20MitsubishiA1S68ADAnalogInputModule8CH0-10VDC0-20MitsubishiA1S63ADAAnalogInput/OutputModule3CH0-10MitsubishiA1S68DAIAnalogOutputModule8CH4-20mADCMitsubishiA1S38BBaseUnit/RackCPU,Power,8I/OSlMitsubishiA1S68B-S1ExtensionUnit/RackPower,8I/OMitsubishiA1S68B-S1ExtensionUnit/RackPower,8I/OMitsubishiA1S55B-S1ExtensionUnit/Rack,5I/OSlotsMitsubishiA1S55B-S1ExtensionUnit/Rack,5I/OSlotsMitsubishiA1S58B-S1ExtensionUnit/Rack,8I/OSlotsMitsubishiFXOS-30MR-DSPLCMitsubishiF1-12MR-ESPLC6Inputs6Outputs30vdc250vMitsubishiF-EEPROM-1MemoryCassetteNewMitsubishiF-EEPROM-2MemoryCassetteMitsubishiA2SNMCA-30KE30KEEPROMMemoryCassetteMitsubishiA1***CA-2KE2KEEPROMMemoryCassetteMitsubishiFR-S520SE-0.4K-?EC1PH240VAC0.4KW2.5AInveMitsubishiFR-D720SE-025-E?C1PH240VAC0.4KW2.5AInverMitsubishiFR-E520S-0.75K-?EC1PH240VAC0.75KW4AInverMitsubishiFR-E520S-0.4K-E?C1PH240VAC0.4KW2.5AInverMitsubishiFXON-8EYT-ESS/U?L8CHOuput5-30VDCExpansionMitsubishiFX1N-40MR-ES/ULPLC24IN16OUTMitsubishiFR-Z024-S0.37K1PH220-240VAC0.4KW2.5AInvMitsubishiFR-Z024-S0.75K1PH220-240VAC0.75KW7AInveMitsubishiFR-E540-7.5K-EC3PH380-480VAC7.5KW17AInvMitsubishiFR-A044-0.75K-E?C3PH380-415VAC0.75KW2.6AMitsubishiFR-A024-S0.4K-E?R1PH220-240VAC0.4KW2.5AIMitsubishiFR-E540-0.75K-E?C3PH380-480VAC0.75KW2.6AMitsubishiNV400-CSMCCB400AmpMCCBMitsubishiA1SY10EUOutputModule16CHRelay120vac24vMitsubishiA1SY80OutputModule16CHRelay24/12vdc0.8MitsubishiA1SY10OutputModule16CHRelay240vac24vdcMitsubishiA1SY60OutputModule16CHRelay24vdc2AMitsubishiA1SX80InputModule16CH12/24vdc3/7mAMitsubishiA1SX10EUInputModule16CH120vac7mAMitsubishiA1SG60BlankUnitMitsubishiA1SX81InputModule32CH12/24vdc3/7mAMitsubishiA1SX80InputModule16CH12/24vdc3/7mANEWMitsubishiFX-20P-CABN/3MCommunication/P?rogrammingCabMitsubishiMAC50CommunicationCableHMIToPLCMitsubishiFX3U-485ADP-MBRS485MitsubishiA1S62PEUPowerSupply200-240VAC,5vdc3A24MitsubishiF2-20MR-DSPLC12Inputs8Outputs30vdc250MitsubishiF2-60ES-ESPLCExpansionModule36Inputs24MitsubishiF2-6A-EPLCAnalogModule4Inputs2OutputsMitsubishiF2-40MR-ESPLC24Inputs16Outputs30vdc25MitsubishiF2-40MR-UA1PLC110vac24Inputs16OutputsMitsubishiF2-60ES-UA1PLCExpansion110vac24Inputs3MitsubishiF2-60MS-UA1PLCExpansion110vac24Inputs3MitsubishiF1-20MR-ULPLC12Inputs8Outputs120-240vaMitsubishiA1S61PNPowerSupply100-240VAC5VDC5AMitsubishiA1SJ71PT32-S3MitsubishiA1SJ71UC24-R4RS422/485DateLinkModuleMitsubishiA1SJ71AT21BMitsubishiA1SJ71E71-B2-S3EternetI/FModuleMitsubishiA1SD61MitsubishiA1S68ADAnalogInputModule8CH0-10VDC0-20MitsubishiA1S62RD4PT100TempertureSensorModule2CHMitsubishiA1S64ADMitsubishiA1SCPUMitsubishiA2SHCPUMitsubishiA1SCPU-S1MitsubishiA1SHCPUMitsubishiA1S62PEUPowerSupply200-240VAC,5vdc3A24MitsubishiA1S61PEUPowerSupply200-240VAC,5vdc5AMitsubishiA1S63PPowerSupply15-31VDC,5VDC5AMitsubishiA2USHCPU-S1MitsubishiA1SCPUCPUUnitMitsubishiA1SJ71UC24-R2RS232DateLinkModuleMitsubishiA1S68TDMitsubishiA1S68ADAnalogInputModule8CH0-10VDC0-20MitsubishiA1S68ADAnalogInputModule8CH0-10VDC0-20MitsubishiA1S63ADAAnalogInput/OutputModule3CH0-10MitsubishiA1S68DAIAnalogOutputModule8CH4-20mADCMitsubishiA1S38BBaseUnit/RackCPU,Power,8I/OSlMitsubishiA1S68B-S1ExtensionUnit/RackPower,8I/OMitsubishiA1S68B-S1ExtensionUnit/RackPower,8I/OMitsubishiA1S55B-S1ExtensionUnit/Rack,5I/OSlotsMitsubishiA1S55B-S1ExtensionUnit/Rack,5I/OSlotsMitsubishiA1S58B-S1ExtensionUnit/Rack,8I/OSlotsMitsubishiA2SNMCA-30KEMitsubishiA1***CA-2KEMitsubishiA1SY10EUOutputModule16CHRelay120vac24vMitsubishiA1SY80OutputModule16CHRelay24/12vdc0.8MitsubishiA1SY10OutputModule16CHRelay240vac24vdcMitsubishiA1SY60OutputModule16CHRelay24vdc2AMitsubishiA1SX80InputModule16CH12/24vdc3/7mAMitsubishiA1SX10EUInputModule16CH120vac7mAMitsubishiA1SG60BlankUnitMitsubishiA1SX81InputModule32CH12/24vdc3/7mAMitsubishiA1SX80InputModule16CH12/24vdc3/7mANEWMitsubishiA1S62PEUPowerSupply200-240VAC,5vdc3A24)