1.3.2、MIG焊接试验和TIG焊一样,它几乎可以焊接所有的金属,尤其适合于焊接铝及铝合金、铜及铜合金以及不锈钢等材料,与TIG焊相比它不采用钨极,成本比TIG焊低,而且生产效率高。异种金属焊接选择合适焊接参数是至观重要的。根据两种材料特性,选择小电流大电压参数。焊接时焊丝对准坡口中心,保证铜侧和钢侧母材同时熔化,减少钢侧未熔化缺陷产生。经过一些系列的焊接试验,可以看出焊接外形美观,焊接截面熔合效果良好,增加了导热面积而且焊材熔化后的材料为铜。焊接速率9mm/S,是TIG焊接的7倍。1.4、成本核算扩散泵原锡铅焊接工艺与现焊接工艺成本对比如下: 从表2表3可以看出,无论材料和人工费用都降低了60%左右,效益上比较客观的。 翌忱通(上海)工业设备有限公司如下: R911340170 MPA01-PGH4F-NN-VLN-M11CBHA-S3F-NN R911340171 MPA01-PGH4H-NN-VLN-M11CBHA-S3F-NN R911340172 MPA01-PGH4K-NN-VLN-M11DBHA-S3F-NN R911340173 MPA01-PGH4M-NN-VLN-M11DBHA-S3F-NN R911340174 MPA01-PGH4P-NN-VLN-M11EBHA-S3F-NN R911340175 MAD180C-0150-SA-S2-HH0-35-N1 R911340182 MAD130C-0150-SA-S2-AH1-35-N1 R911340194 MAD130B-0200-SA-M2-AK1-35-N1 R911340200 MAD180C-0150-SA-S2-FP2-35-R1 R911340209 MSK071C-0300-FN-M1-UG0-NNNN R911340217 MAF160C-0200-FQ-S2-HH0-35-H3 R911340244 MSK100A-0200-NN-S3-AG0-NNNN R911340325 MAD180D-0150-SA-S2-EQ0-35-A1 R911340326 KSM02.1B-061C-35N-M1-HP2-ET-L3-D7-TO-FW R911340327 KSM02.1B-061C-35N-M1-HP0-ET-L3-D7-TO-FW R911340328 KSM02.1B-041C-42N-S1-HP2-ET-L3-D7-TO-FW R911340330 MAD130C-0200-SA-S7-AG0-05-N3 R911340331 MSK075D-0200-NN-M1-UP1-NNNN R911340332 MAD130D-0250-SA-S2-AH0-35-H1 R911340342 MAD160C-0150-SA-S2-RQ0-35-A1 R911340343 MAD100B-0200-SA-S2-EG0-05-N1 R911340346 MAD130D-0150-SA-M2-EK0-35-V1 R911340350 MSK075E-0450-NN-M1-UG1-NNNN R911340384 MAF180D-0150-FQ-S2-HP0-35-V1 R911340392 MAD130B-0150-SA-M2-HP0-35-N1 R911340395 MSK050C-0600-NN-M1-BG1-NNNN R911340408 MSK050C-0450-NN-M1-UP1-NSNN R911340410 MSK100B-0200-NN-S3-AG0-NNNN R911340411 MSK101E-0200-FN-S3-AG0-NNAN R911340414 MSK101E-0200-FN-M3-AG0-NNAN R911340415 KSM02.1B-061C-61N-M1-HG0-ET-NN-D7-TO-FW R911340420 MSK076C-0450-NN-M3-UG1-NNNN R911340421 MSK070C-0300-NN-M3-UG1-NNNN R911340424 MAF130C-0150-FQ-N0-AG0-05-N1 R911340425 MAF130C-0200-FQ-N0-AG0-05-N1 R911340428 MSK100A-0200-NN-S1-BP1-NNNN R911340429 MSK070E-0300-NN-M3-AG0-NNAN R911340430 MSK070E-0300-NN-M3-BG0-NNAN R911340431 MSK070E-0300-NN-S3-AG0-NNAN R911340432 MSK070E-0300-NN-S3-BG0-NNAN R911340441 MAF130C-0250-FQ-N0-AG0-05-N1 R911340442 MAD130B-0250-SA-S2-RF0-35-N4 R911340443 MAD160B-0100-SA-S2-RF0-35-N4 R911340446 MSK101D-0450-NN-S2-AG0-RNNN R911340455 ADF134C-B05TA0-BS07-C2N1/S032 R911340458 MAD100C-0150-SA-N0-BH0-35-N1 R911340463 MAD130C-0050-SA-M2-AH1-05-N1 R911340466 MAD100D-0150-SA-S2-BH1-05-N1 R911340469 MAD100D-0200-SA-M2-AG0-05-A1 R911340470 MAD130D-0200-SA-N0-AG0-35-A1 R911340473 MAD130D-0200-SA-M2-AG0-35-A1 R911340474 MAD100D-0200-SA-N0-AG0-05-A1 R911340484 MST530G-0010-FS-N0CN-D303 R911340486 MAD130C-0150-SA-S2-GK0-05-N1 R911340487 MAD130C-0150-SA-S2-DK0-05-N1 R911340489 MAD130B-0150-SA-M2-GP0-35-N1 R911340491 MSK100C-0300-NN-M3-RG0-NNNN R911340492 MSK100B-0300-NN-M3-RG0-NNNN R911340507 MAD130C-0150-SA-C0-BQ0-35-V1 R911340529 MSK100B-0200-NN-S2-LP0-RNNN R911340531 MAD130C-0150-SA-S2-HH0-35-H1 R911340532 MSK075D-0200-NN-M1-UG1-NNNN R911340534 MAD160C-0200-SL-S2-EP0-35-V1 R911340555 MSK070C-0300-NN-M3-UG0-NNNN R911340556 MSK050C-0300-NN-M3-UP1-NNNN R911340559 MSK050C-0300-NN-M3-UG1-NNNN R911340568 MSK101C-0200-FN-M2-BG0-RNNN R911340574 ROTORWELLE MSK133B-S1-B0 R911340576 ROTORWELLE MSK133C-S1-B0 R911340577 ROTORWELLE MSK133D-S1-B0 R911340578 ROTORWELLE MSK133E-S1-B0 R911340579 MSK101E-0300-FN-M1-LG2-NNNN R911340584 ROTOR MAF130C-M7-G0-N R911340585 MAD160C-0200-SA-C0-AH0-35-N1 R911340601 MSK050C-0450-NN-S1-UG0-NSNN R911340619 MAD160B-0150-SA-S0-HG0-35-V1 R911340620 MAF180D-0150-FQ-S2-FH0-35-N3 R911340636 MSK050B-0450-NN-S3-UG0-NNNN R911340638 MAD130B-0200-SA-M2-BP0-35-N1 R911340639 MOT-FC-ET2- V1- 90L-4-5CA- 1,5-A3T-HOY R911340640 MOT-FC-ET2- V1-100L-4-5CA- 2,2-A3T-HOY R911340641 MOT-FC-ET2- V1-100L-4-5CA- 3-A3T-HOY R911340642 MOT-FC-ET2- V1-112M-4-5CB- 4-A3T-HOY R911340643 MOT-FC-ET2- V1-132S-4-5CB- 5,5-A3T-HOY R911340644 MOT-FC-ET2- V1-132M-4-5CB- 7,5-A3T-HOY R911340645 MOT-FC-ET2- V1-160M-4-5CB- 11-C3T-HOY R911340646 MOT-FC-ET2-B35-160M-4-5CB- 11-C3T-HOY R911340647 MOT-FC-ET2- V1-160L-4-5CB- 15-C3T-HOY R911340648 MOT-FC-ET2-B35-160L-4-5CB- 15-C3T-HOY R911340649 MOT-FC-ET2-B35-180M-4-5CB-18,5-C3T-HOY R911340650 MOT-FC-ET2-B35-180L-4-5CB- 22-C3T-HOY R911340651 MOT-FC-ET2-B35-200L-4-5CB- 30-C3T-HOY R911340652 MOT-FC-ET2-B35-225S-4-5CB- 37-C3T-HOY R911340653 MOT-FC-ET2-B35-225M-4-5CB- 45-C3T-HOY R911340654 MOT-FC-ET2-B35-250M-4-5CB- 55-C3T-HOY