IC693MDL240LT
IC693MDL240LT
高轉(zhuǎn)矩:低速運(yùn)行時具有高轉(zhuǎn)矩,以滿足快速啟動、加速、爬坡等要求;
高轉(zhuǎn)速:高速運(yùn)行時應(yīng)具有高轉(zhuǎn)速,調(diào)速范圍寬的特性,以滿足高速行駛、超車等要求;
高效節(jié)能:電動汽車頻繁啟停,工作區(qū)域?qū)挘虼耍蟊M可能寬的高效工作區(qū),以謀求電池一次充電后的行駛里程盡可能長;
抗振動:電機(jī)耐振動,有一定過載能力,在不同工況下能穩(wěn)定可靠地工作。
驅(qū)動電機(jī)對電機(jī)軸承提出的挑戰(zhàn)
一般工業(yè)用電機(jī)使用的電機(jī)軸承,國內(nèi)軸承行業(yè)經(jīng)過不斷的發(fā)展,隨著軸承設(shè)計(jì)理論水平的提高、軸承鋼材料技術(shù)的進(jìn)步,套圈加工設(shè)備、工藝水平的提高,鋼球制造水平的上臺階,已經(jīng)替代進(jìn)口占據(jù)國內(nèi)主要市場,但是汽車驅(qū)動電機(jī)的調(diào)速范圍寬、啟動轉(zhuǎn)矩大、功率密度高、效率高的特性,使其對軸承的高速、高低溫、耐久性、穩(wěn)定性、可靠性提出了更高的要求,目前國內(nèi)新能源汽車電機(jī)軸承還主要依靠進(jìn)口。
速度:驅(qū)動電機(jī)轉(zhuǎn)速高達(dá)20 000 r/min,軸承dm.n值達(dá)到80萬以上,比普通工業(yè)電機(jī)速度高很多。
溫度:-40~150 ℃軸承穩(wěn)定運(yùn)轉(zhuǎn),無嘯叫;長期工作溫度110~120 ℃;寒冷地區(qū)啟動溫度-30~-20℃,啟動力矩小,噪聲低。
潤滑:要求潤滑脂低溫性能優(yōu)異、耐高溫、抗振動、節(jié)能高效、長壽命。
振動、噪聲:為保證乘車的舒適性,電機(jī)的振動噪聲水平要低,保證車內(nèi)的安靜。
電蝕:由于繞組的不平衡,造成轉(zhuǎn)子間存在電位差,形成電流;逆變器高頻電壓造成的電流泄露都可能導(dǎo)致軸承產(chǎn)生電蝕,導(dǎo)致軸承的失效。
壽命:保證與整車質(zhì)保同壽5-8年或10-16萬公里。
COMPACT PCI 100P172820 120P243641 BLADE NEW
Motorola CPN5365 01-W3658F-06J cPCI BOARD 01-W3632F
Siemens S42024-C3016-A1 MAINFRAME BOARD
MIZAR 7710 VIDEO Board 7710-00011-01 REV-W
MOTOROLA COMPACT PCI CPV5370 BOARD 01-W3545F NTAR02NV
MOTOROLA CPTM-04 01-W3764F 01B NORTEL NTAR02NX
MOTOROLA 01-W3739F NORTEL NTAR02JY
SBE VCOM-33 VME CONTROLLER MODULE
METACOMP VMEcomm20 VME MODULE
MOTOROLA MBX860-002C EBX BOARD 01-W3527F
MOTOROLA CPN5360 PROCESSOR CARD + IBM 6.5GB HARD DRIVE
TELEGATE QTE AS1615 EL1 MODULE
MOTOROLA PROCESSOR CARD + IBM 10.06 GB HARD DRIVE
TELEGATE QTE AS1890 MAC MODULE
MOTOROLA BOARD 01-W3739F
JASPER DPCI204-1022-4-M1131 DC DPCI 204-4-M1131
MOTOROLA MVME 147-022 VME BOARD 01-W3964B MVME147-022
MOTOROLA 01-W3749F P/S MODULE PULLED FROM WALKair 3000
MOTOROLA MCP750 HA 01-W3378F MCP 750 MCP750HA 01-W3336F
IRONICS IV3234 VME 16 SIO BOARD VM-3234-10
MOTOROLA CompactPCI PROCESSOR MODULE A93429-011 cPCI
ACT TECHNICO TVME712 VME BOARD PN: 3204194G1 REV B
RADISYS EPC-3305 CPU BOARD EPC 3305 W/ P-III 500Mhz 6GB
JASPER DPCI204-1022-4-NN DC DPCI 204-1022-4-NN
ARTESYN BajaSpan 10000212-00 8 PORT E1 BOARD
ARTESYN BajaSpan 10001532-01 E1 cPCI PROCESSING BOARD
ARTESYN BajaSpan 10000080-06 E1 cPCI PROCESSING BOARD
KONTRON PEP CP6000 CPCI/PICMG PENTIUM M EMBEDDED BLADE
KONTRON PEP CP330 UNIVERSAL XGA GRAPHICS CONTROLLER
MOTOROLA MVME 334B VME BOARD 01-W3875B MVME334B
MOTOROLA MVME162-522A VME BOARD 01-W3960B MVME 162-522A
MOTOROLA MVME162-432 01-W3960B MVME 162-432
MOTOROLA MCPN750A cPCI VME BOARD MCP750 01-W3611F
MOTOROLA MVME BOARD 01-W3580F W / 01-W3186F
KONTRON CTM80-2 REAR I/O T6701AC FOR DT64/CP6010/CP6?000
KONTRON PEP CP602 CPU BOARD FOR CompactPCI SYSTEM CP600
MOTOROLA MVME 334A VME BOARD 01-W3726B MVME334A
KONTRON PEP CP610 CPU BOARD FOR CompactPCI SYSTEM CP600
GENERAL STANDARDS CORP. PMC-SI104-ECI3 BOARD
MOTOROLA MVME162-032 VME BOARD 01-W3884B MVME 162-032
MOTOROLA REAR I/O PEAM SLOT 1 BOARD 63-305-0018 NEW
LIS 073320-183 CLOCK PROCESSOR 133 BLADE
COMPACT PCI 100P172820 120P243641 BLADE
PERFORMANCE TECHNOLOGIES CompactPCI CPC4401 SWITCH
MANGO DSP MVP-03229 BOARD MVP 03229 MVP03229 NEW
LEICA 301-389.040 VME BOARD
ANORAD 000-71003824-00 VME BOARD
ANORAD 000-71003821-00 VME BOARD
DY 4 Systems DMV-739 900816-005 DY-4 DMV739
DY 4 Systems DMV-783 901163-603 DY-4 DMV783
SIEMENS ULAF+ OMI SNMP S3119-Q300-A310?-1
MOTOROLA MVME 162-013A BOARD MVME162-013A 01-W3884B
AGILENT E7300B QA ROBOT (700MHz)CPU Pentium-3256MB RAM
IML ARTEMUX IML-S007 S007-155-SMF NMS PN:50174
NIKON 4S007-776 ALG SIG BLADE
SPINNER I/O BOARD TKB2111 CPC-G223B01A-11
ECI TR28T BLADE TR2-8T 882-091
MARCH NETWORKS VTU 2103 MULTI MEDIA MODULE 11870 12168
TELEXIS CORP VTU 2100 MB W/ 5-VOLT 10BASET MEZZANINE
lot of 3 Lavian Inc. RD323 BPC1828A Video Card 46070
MAGMA 4 PCI DMA 4 PORTS Serial adapter 01-03450-00
Natural MicroSystems NMS ISA P/N 5281 REV 2
Natural MicroSystems NMS P/N 5376 QUAD PCI CARD REV 7
MERCURY RACE MCH9 BLADE
INTEL PHD A505-0002 BARKAN SV BOARD
EQUINOX SST-64/128P PCI CARD PN: 910256-1
DIVERSIFIED TECHNOLOGY 651400975 ISA CARD
CRR 804 CRR804/5 REV B ISA CARD
MOTOR I/O BOARD TKB2133 CPC-G221D01A-11
NIKON 4S015-046 NK386SX BLADE A-001
MATROX MGA-MIL/4/DELL 00053248 PCI BOARD
IFB ADD ON BOARD TKB2151 AP9E-0209A-11 W/ STP IF BOARD