| A8GT-70GOT-EB日本發(fā)那科 |
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價(jià)格：99999 元(人民幣) | 產(chǎn)地：福建福州市 |
| 最少起訂量：1個(gè) | 發(fā)貨地：福建福州 | |
| 上架時(shí)間：2020-11-30 12:06:47 | 瀏覽量：483 | |
福建鴻飛達(dá)自動(dòng)化科技有限公司
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| 經(jīng)營(yíng)模式：經(jīng)銷商 | 公司類型：私營(yíng)獨(dú)資企業(yè) | |
| 所屬行業(yè)：PLC控制系統(tǒng) | 主要客戶：全球 | |
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A8GT-70GOT-EB日本發(fā)那科 G2CrNi2Mo滲碳鋼制圓錐滾子軸承外圈，在使用過(guò)程中出現(xiàn)開(kāi)裂現(xiàn)象。由于該軸承產(chǎn)量高，使用部位關(guān)鍵，為避免再出現(xiàn)同樣的開(kāi)裂現(xiàn)象，必須找出其產(chǎn)生失效的原因。本文通過(guò)宏觀分析、微觀分析、掃描電鏡的分析，就開(kāi)裂的原因進(jìn)行了討論。滲碳鋼制圓錐滾子軸承外圈開(kāi)裂失效分析1.外圈開(kāi)裂宏觀特征失效的滲碳鋼制圓錐滾子軸承外圈外表面除有一條貫通的、且與軸線平行的開(kāi)裂裂紋外，還有兩條源自大裂縫的散射細(xì)裂紋。除兩端及中部非工作區(qū)外，套圈上有兩道大的磨損區(qū)，呈不同的亮白色光澤帶。 MVME172-233 MVME172-233A MVME172-243 MVME172-243A MVME172-253 MVME172-253A MVME172-263 MVME172-263A MVME172-303 MVME172-303A MVME172-313 MVME172-313A MVME172-323 MVME172-323A MVME172-333 MVME172-333A MVME172-343 MVME172-343A MVME172-353 MVME172-353A MVME172-363 MVME172-363A MVME172-373 MVME172-373A MVME172-410 MVME172-410A 51400978-100 Processor (early version) 51400988-100 US Touchscreen, Smart 51400988-200 US Touchscreen, Smart, CE 51400997-100 PLC Gateway Interface博大精深 同心致遠(yuǎn) 51400997-200 Enhanced PLC Gateway I/F 51401052-100 SPC Card 51401072-200 QMEM-2 51401072-300 3 M-Word Enhanced Memory博大精深 同心致遠(yuǎn) 51401088-100 CNI - Interface for PLNM 51401163-100 Process Network Modem-NIM 51401286-100 EPDG Interface Card 51401286-100 EPDG Interface Card博大精深 同心致遠(yuǎn) 51401288-100 68020 w/2 Meg 51401288-200 68020 w/3 Meg 51401291-100 LCN I/F 51401291-100 Low Power LCN (LLCN) 博大精深 同心致遠(yuǎn) 51401496-100 Dual Node Fan Assembly 51401497-100 Dual Node Power Supply 51401551-200 68020 w/2 Meg 51401551-300 68020 w/3 Meg博大精深 同心致遠(yuǎn) 51401551-400 68020 w/4 Meg 51401551-600 68020 w/6 Meg 51401551-800 68020 w/8 Meg 51401560-100 QWERTY Membrane Keyboard博大精深 同心致遠(yuǎn) ABB微型斷路器S203-D63 ABB微型斷路器S204-D0.5 ABB微型斷路器S204-D1 ABB微型斷路器S204-D2 ABB微型斷路器S204-D3 ABB微型斷路器S204-D4 ABB微型斷路器S204-D6 ABB微型斷路器S204-D10 ABB微型斷路器S204-D16 ABB微型斷路器S204-D20 ABB微型斷路器S204-D25 ABB微型斷路器S204-D32 ABB微型斷路器S204-D40 ABB微型斷路器S204-D50 ABB微型斷路器S204-D63 ABB微型斷路器S201-D0.5 ABB微型斷路器S201-D1 ABB微型斷路器S201-D2 ABB微型斷路器S201-D3 ABB微型斷路器S201-D4 ABB微型斷路器S201-D6 ABB微型斷路器S201-D10 ABB微型斷路器S201-D16 ABB微型斷路器S201-D20 ABB微型斷路器S201-D25 ABB微型斷路器S201-D32 ABB微型斷路器S201-D40 ABB微型斷路器S201-D50 ABB微型斷路器S201-D63 ABB微型斷路器S202-D0.5 ABB微型斷路器S202-D1 ALLEN BRADLEY 291E-FAZ-G1-3FR / 291EFAZG13FR (NEW NO BOX) ALLEN BRADLEY 872C-A10C18-A2 / 872CA10C18A2 (USED TESTED CLEANED) ALLEN BRADLEY 961454 / 961454 (USED TESTED CLEANED) ALLEN BRADLEY 871TM-BH2N12-B4 / 871TMBH2N12B4 (USED TESTED CLEANED) ALLEN BRADLEY 32A24 / 32A24 (USED TESTED CLEANED) ALLEN BRADLEY 855T-B10YL3 / 855TB10YL3 (USED TESTED CLEANED) ALLEN BRADLEY 193206-A01 / 193206A01 (USED TESTED CLEANED) ALLEN BRADLEY 50906 / 50906 (USED TESTED CLEANED) ALLEN BRADLEY CF-271 / CF271 (NEW NO BOX) ALLEN BRADLEY 1610L-T0220SA1 / 1610LT0220SA1 (NEW NO BOX) ALLEN BRADLEY 140-L2 / 140L2 (NEW NO BOX) ALLEN BRADLEY GA-473 / GA473 (Used) ALLEN BRADLEY 190-P024R / 190P024R (RQANS1) ALLEN BRADLEY 1777-IB / 1777IB (USED TESTED CLEANED) ALLEN BRADLEY 871TM-DH2NN12-D4 / 871TMDH2NN12D4 (RQANS1) ALLEN BRADLEY 100S-D110A22C / 100SD110A22C (NEW NO BOX) ALLEN BRADLEY 1799-D10U10BL / 1799D10U10BL (USED TESTED CLEANED) ALLEN BRADLEY 801-ASC27 / 801ASC27 (USED TESTED CLEANED) ALLEN BRADLEY 60-2668 / 602668 (USED TESTED CLEANED) ALLEN BRADLEY 1771-CX5 / 1771CX5 (NEW IN BOX) ALLEN BRADLEY 205-BOG / 205BOG (USED TESTED CLEANED) ALLEN BRADLEY 91886 / 91886 (USED TESTED CLEANED) ALLEN BRADLEY 1798-BP4 / 1798BP4 (USED TESTED CLEANED) ALLEN BRADLEY 440E-E25010 / 440EE25010 (USED TESTED CLEANED) ALLEN BRADLEY 197-FLA2 / 197FLA2 (RQANS1) ALLEN BRADLEY 855T-BSPM60 / 855TBSPM60 (USED TESTED CLEANED) ALLEN BRADLEY 855BS-N24DH5 / 855BSN24DH5 (USED TESTED CLEANED) ALLEN BRADLEY 285-BRC25-M6 / 285BRC25M6 (RQANS1) ALLEN BRADLEY CWEB4-VS2 / CWEB4VS2 (RQANS1) ALLEN BRADLEY 440E-D13124 / 440ED13124 (USED TESTED CLEANED) ALLEN BRADLEY 42JT-B2LAT2-P4 / 42JTB2LAT2P4 (USED TESTED CLEANED) ALLEN BRADLEY 500F-COD-93 / 500FCOD93 (USED TESTED CLEANED) ALLEN BRADLEY 610936-01 / 61093601 (USED TESTED CLEANED) ALLEN BRADLEY 802T-W4A / 802TW4A (Surplus New In Box)  一般使用車床進(jìn)行機(jī)械加工時(shí)，會(huì)發(fā)生所謂的振刀的場(chǎng)合大概有這幾種場(chǎng)合：利用成型刀片進(jìn)行成形車削；細(xì)長(zhǎng)圓桿的外圓車削；薄肉圓桿的外圓車削；箱形部品（如鈑金焊接結(jié)構(gòu)件）車削；超硬材質(zhì)切削；軸承已受損而繼續(xù)切削等。當(dāng)振刀發(fā)生時(shí)，刀具、工件與車床的振動(dòng)往往導(dǎo)致工廠內(nèi)部有刺耳的噪音，而其振幅大小單邊達(dá)數(shù)十微米以上，有時(shí)其至高達(dá)1微米以上。這種振刀不僅造成刀具或工件的夾持變松之外，同時(shí)也因其嘈雜的噪音對(duì)操作人員造成不良的身心影響，而加工精度也因此無(wú)法達(dá)成客戶的要求，因此各工具機(jī)廠莫不戰(zhàn)戰(zhàn)兢兢地將振刀問(wèn)題之排除視為莫大的挑戰(zhàn)。 |
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