AO202 |
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AO202 AO202 AO202
《聯(lián)系人;歐先生》
測(cè)量工具有標(biāo)準(zhǔn)轉(zhuǎn)臺(tái)、角度多面體、圓光柵及平行光管(準(zhǔn)直儀)等,可根據(jù)具體情況選用。測(cè)量方法是使工作臺(tái)正向(或反向)轉(zhuǎn)一個(gè)角度并停止、鎖緊、定位,以此位置作為基準(zhǔn),然后向同方向快速轉(zhuǎn)動(dòng)工作臺(tái),每隔30鎖緊定位,進(jìn)行測(cè)量。正向轉(zhuǎn)和反向轉(zhuǎn)各測(cè)量一周,各定位位置的實(shí)際轉(zhuǎn)角與理論值(指令值)之差的最大值為分度誤差。如果是數(shù)控回轉(zhuǎn)工作臺(tái),應(yīng)以每30為一個(gè)目標(biāo)位置,對(duì)于每個(gè)目標(biāo)位置從正、反兩個(gè)方向進(jìn)行快速定位7次,實(shí)際達(dá)到位置與目標(biāo)位置之差即位置偏差,再按GB10931-89《數(shù)字控制機(jī)床位置精度的評(píng)定方法》規(guī)定的方法計(jì)算出平均位置偏差和標(biāo)準(zhǔn)偏差,所有平均位置偏差與標(biāo)準(zhǔn)偏差的最大值和與所有平均位置偏差與標(biāo)準(zhǔn)偏差的最小值的和之差值,就是數(shù)控回轉(zhuǎn)工作臺(tái)的定位精度誤差。 考慮干式變壓器到實(shí)際使用要求,一般對(duì)0、90、180、270等幾個(gè)直角等分點(diǎn)進(jìn)行重點(diǎn)測(cè)量,要求這些點(diǎn)的精度較其他角度位置提高一個(gè)等級(jí)。 6、回轉(zhuǎn)工作臺(tái)的重復(fù)分度精度檢測(cè) 測(cè)量方法是在回轉(zhuǎn)工作臺(tái)的一周內(nèi)任選三個(gè)位置重復(fù)定位3次,分別在正、反方向轉(zhuǎn)動(dòng)下進(jìn)行檢測(cè)。所有讀數(shù)值中與相應(yīng)位置的理論值之差的最大值分度精度。如果是數(shù)控回轉(zhuǎn)工作臺(tái),要以每30取一個(gè)測(cè)量點(diǎn)作為目標(biāo)位置,分別對(duì)各目標(biāo)位置從正、反兩個(gè)方向進(jìn)行5次快速定位,測(cè)出實(shí)際到達(dá)的位置與目標(biāo)位置之差值,即位置偏差,再按GB10931-89規(guī)定的方法計(jì)算出標(biāo)準(zhǔn)偏差,各測(cè)量點(diǎn)的標(biāo)準(zhǔn)偏差中最大值的6倍,就是數(shù)控回轉(zhuǎn)工作臺(tái)的重復(fù)分度精度。 Reliance Electric Tigear ReducerRELIANCE ELECTRIC 418283-81A TRBD-1 CONTROL BOARD NEW RELIANCE ELECTRIC GP-2000 AC Drive 200/230V 2hp 4370 NEW Reliance Electric P2090-010 Drive Pulley Reliance Electric 0-54350-3, Field Loss board NEW Expedited shipping available (2) Reliance Electric OLVC 0 52808 2 / 0528082 Reliance Electric 0-51486-17 Relay Input Reliance Electric 0-52808-2 0528082 CLVC Board One-day shipping available Reliance Electric 0-51831-1 CVTB Module PCB GUARANTEED Reliance Electric 0-48652 048652 Reliance Electric MC-D5006-A IC Memory Card PSC Memcard RELIANCE ELECTRIC 418285-113A PSBD-4A CONTROL BOARD NEW Reliance Electric D2900-003 Shifting Yoke D2900003 One-day shipping available RELIANCE ELECTRIC 57430-1 AUTOMAX PROCESSOR #2 Reliance Electric Brushes 419904-1BR, Box of 8 NEW Expedited shipping available Reliance Electric Relay 600434-6 600434-6R 6004346R Expedited shipping available Reliance Electric 1SU41002 2HP SP500 AC Drive 2 HP Reliance Electric 5 slot rack SSBP-2 MD-D4022A Reliance Electric 1DB2002 Dynamic Braking Drive A-C V*S Reliance Electric Analog Input Module # 57409-E Expedited shipping available Reliance Electric Circuit Board 0-54349 054349 0 54349 RELIANCE ELECTRIC RFV600 FUSES LOT OF 3 SURPLUS RECTIFI Reliance Electric 0-51831-6 0518316 CVTG Board One-day shipping available RELIANCE ELECTRIC 0-51851-6 (CRCG) GOOD TAKEOUT RELIANCE ELECTRIC 78094-33R CONTACTOR *FACTORY SEALED* One-day shipping available Reliance Electric Company Amp Tap Ammeter amptap RELIANCE ELECTRIC 0-51845-2 0 51845 2 0518452 RELIANCE ELECTRIC RECTIFIER STACK 86466-87T Expedited shipping available RELIANCE ELECTRIC 30V4160 AC DRIVE IN:380-460V **NNB** RELIANCE ELECTRIC TRANSFORMER 411027-78A NEW (st55) RELIANCE ELECTRIC 6MB40007 DRIVE MD65 460V IP20 7.5HP NIB RELIANCE ELECTRIC 45C60 115V OUTPUT MODULE CONTROL* Reliance Electric 404844-DF Brush RE44DF 404844DF One-day shipping available Reliance Electric Company 0-51865 Drive 051865 USED One-day shipping available Reliance Electric 3141-GU Electric Brush RELIANCE ELECTRIC 5 SLOT RACK #45C912 Expedited shipping available Reliance Electric 0-52824 CLRA Module PCB RELIANCE ELECTRIC PLASTIC REF POT ASSY 608870 - 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