
140ACI03000
140ACI03000
140ACI03000
140ACI03000
2.传动比
总传动比由电动机轴转数与轧辊转数之比确定。总传动比小于7—8一艘用一级减速机,大于7—8用二级减速机。二级减速机中绍一级传动比i1和第二级传动比i2的比值也是按接触等强度原则计算确定,并和中心距比值一并考虑和计算。实际使用表明,适当提高i1/i1比值(同时适当降低A2/A1比值),即适当减小第二级的JA2和i 2,能使对减速机尺寸重量起决定作用的低速级大齿轮尺寸重且减小,有利于改善减速机酌重量与体积指标。高速级传动比大,对促高运转的平稳性有利。
3.齿宽系数
齿宽系数9为齿轮工作宽度b与中心距A之比,即∨=6/A。∨值取得大些较合理,因此增大能使齿轮承载能力按比例提高,可使中心距及仍轮直径减小。但吵酌增大也右限度,由于载荷沿齿宽分布的不均匀性与齿宽成正比,d增大时应力集中系数舟f位将增大,从而位齿轮承载能力有些降低。所以在大型减速机中一般取∨=0.4—0.6,个别情况可取到0.7。
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Abicor Binzel Torch 962.9202
AT & T DID Trunk TN753
Eaton Cutler-Hammer, Comet Photoelectric, 11100R6517
Peer Rubber Interliner Cartridge Unit 1-3/16" UCR206-19
Netgear ProSafe 16 Port 10/100 Switch JFS516
Brecoflex 50T20/8640 Transport Belt D6 20 001
Siemens-Allis, Motor Protection, MSP-10D-ALL
ServiceFirst 1 3/16 dia X 25.968 LG SHF01505
Aro Fluid Power Pneumatc Valve 5040 35
Sandvik Coromant 5N0460734
SRAA1404
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Werner Kammann, IST Metz GmbH, D-72622
Allen Bradley Single Pole Circuit Breaker 7A 1489-A1C07
Inpro/seal Bearing Isolator, 1271-Q-17893-5
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Howard Lighting 100W HPS Lamp, MED base, S54, ED17 LU10
HA 1/4 NPT manifold DBL CB PS551153MP
Parker 250 psi Air 01.12NLPMS4 3.000
Parker 250 psi Air 01.12NLPMS4 1.500
Windshield Wiper Motor 0577-62221589
Parker 250 psi air 01.12 NLPM 4 2.000
Parker 02.00 4RLPS 4 0.875
Siemens, Contactor Coil Kit,460v 3TY6565-0AD8
Koyo, 2A7 Pump Ball Bearing
Smith Blair 274 8" Bell Joint Leak Clamp
ILS Timing Belt 32AT5/1480 HOV1-753-007
Brecoflex 16T10/3000 Q 019 048340
SMC, NVFS2100-5FZ
SMC, NVFS2100-5FZ
Bag of 500 Clean Room Swabs A-1880-A
KVM Cartridge Filter 12"OD X 8"ID X 9 1/2" HT 5000299
Aleco Esrobbins Strip Door Clear Flex 994177
Sprecher + Schuh, Motor Starter CA4-5C-10-24VDC
BEARING INSERT 19X47X31MM W/COLLAR AND SNAP RING ER12K
Unibilt 3559585
Browning v Belt Puller 2 Groove, 2B52SDS
Hayes Chain Wire Strainer 108
HSS, Cutting Wheel 275x2.5x40 ~180-C
HSS Cutting Wheel L40T
Goyen Controls, Main Pulse Valve CA20T-R
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