制動(dòng)力矩計(jì)算要有足夠的制動(dòng)力矩才能產(chǎn)生需要的制動(dòng)效果，制動(dòng)力矩太小，變頻器仍然會(huì)過(guò)電壓跳閘。制動(dòng)力矩越大，制動(dòng)能力越強(qiáng)，制動(dòng)性能約好。但是制動(dòng)力矩要求越大，設(shè)備投資也會(huì)越大。 制動(dòng)電流是指流過(guò)制動(dòng)單元和制動(dòng)電阻的直流電流。P――――電機(jī)功率P（kW）k――――回饋時(shí)的機(jī)械能轉(zhuǎn)換效率，一般k＝0.7（絕大部分場(chǎng)合適用）I――――制動(dòng)電流，單位為安培計(jì)算得到I=P 制動(dòng)電流安培數(shù)＝電機(jī)千瓦數(shù)即每千瓦電機(jī)需要1安培制動(dòng)電流就可以有100%制動(dòng)力矩制動(dòng)電阻計(jì)算和選擇（按100%制動(dòng)力矩計(jì)算）電阻值大小間接決定了系統(tǒng)制動(dòng)力矩的大小，制動(dòng)力矩太小，變頻器仍然會(huì)過(guò)電壓跳閘。電阻功率選擇是基于電阻能安全長(zhǎng)時(shí)間的工作，功率選擇不夠，就會(huì)溫度過(guò)高而損壞。380V標(biāo)準(zhǔn)交流電機(jī)：P――――電機(jī)功率P（kW）k――――回饋時(shí)的機(jī)械能轉(zhuǎn)換效率，一般k＝0.7（絕大部分場(chǎng)合適用）V――――制動(dòng)單元直流工作點(diǎn)
HD SYSTEMS REDUCER GEARHEAD CP-32A-21-J602A-SP 18 21
From Korea, South
New HD Harmonic Servo Head Drive Gear Reducer 5:1 CP-25A-5-J601A-SP PD-0041
HD Harmonic Servo Head Drive Gear Reducer 33:1 // CP-25A-33-J604A-SP
From Korea, South
Yaskawa AC Servo Motor 400W SGME-04AFJ26 &CP-35C-10-J602A Harmonic Drive Reducer
From Korea, South
2011 PLATES & PATCHES A.J. GREEN RC BLITZ AUTO 3 CLR-JERSEY RC SP#10/25 BGS-10**
Customs services and international tracking provided
YASKAWA SGDM-04ADA,SGMPH-04AAAGB61,HD GEARHEAD CP-25A-11-J602B-SP,DRIVER MOTOR
From Korea, South
NISSAN DATSUN VIOLET A10 140J, 160J EXHAUST GASKET - PCEG25C
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SKF Cuscinetto Radiale A Sfere 10 - 30 - 9 (6200 C3) MBK Booster sp spirit eu25
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SILK LASHES J B C CURL 8 10 11 12 13 14 mm LENGTH INDIVIDUAL EYELASH EXTENSIONS
From United Kingdom
Harmonic Drive Reducer CP-20C-33-J614A-SP Ratio 33:1
From Korea, South
INDIVIDUAL EYELASH EXTENSIONS MINK LASHES J B C CURL 6 8 10 12 13 14 mm LENGTH
From United Kingdom
MINK LASHES J B C CURL 8 10 11 12 13 14 mm LENGTH INDIVIDUAL EYELASH EXTENSIONS
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NEICHA Premium Silk Lash A(J), B, C cb Silk Lash for Eyelash Extension
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HD System Planetary Gear head CP-16C-05-J699A-SP
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INDIVIDUAL EYELASH EXTENSIONS MINK LASHES J B C CURL 6 8 10 11 12 14 mm LENGTH
From United Kingdom
HD GEARHEAD REDUCER CP-40A-33-J602A-SP RATIO 40:1
From Korea, South
Harmonic Drive System Inc. CSF-40-10-2A-GR-SP SF40C0J021 Gear Reduction Reducer
Yaskawa SGM-08A3G14B AC Servo Motor, HD CP-25A-05-J401A-SP 750W 200V 4.4A
From Israel
Power Supply for Toshiba Sablite C55D C645D-SP4283M C75D-A7213 L755D-10J P845T
Pyrex Corning A12C 10 Inch Square Replacement Cover Lid Top No Chips A 12 C 25-J
Customs services and international tracking provided
SANDISK CLASS 10 32GB MICRO SD SDHC MEMORY CARD FOR Sony Xperia Z1 J C A ZA SP E
From United Kingdom
EYELASH EXTENSIONS SILK LASHES TRAY BOX J B C CURL 6 8 10 11 12 13 14 mm LENGTH
From United Kingdom
Lot of 2, 2-Pole Circuit Breakers, FUJI CP6 2DU25 D-25A & MOELLER FAZN C10
2011-12 SP Authentic Autograph JON LEUER #41 10/25 BADGERS (A1C)
Yaskawa Servo Drive & Motor/SGDA-02ASP/SGM-02A3G26/CP-20A-11J602A-SP/HD SYSTEM
From Korea, South
Neicha Twinkle Silk Lash A/J, B, C cb for Individual Eyelash Extension
From United Kingdom
Pyrex Corning A12C 10 Inch Square Replacement Cover Lid Top No Chips A 12 C 25-J
Customs services and international tracking provided
10x 3.7V 350mAh 25C lipo 1pc bag for Genius QR Ladybird Mini super CP V939 816 A
From China
Yaskawa AC Servo Motor 200W SGME-02AFJ26 &CP-20C-10-J602A Harmonic Drive Reducer
From Korea, South
C J Wilson 2012 Allen & Ginter #107 Mini Red A&G Back SP/25 Anaheim LA Angels
New Genuine Nissan J2270-10Y25 A/C Retrofit Kit
CARTOUCHES LC1220 LC1240 LC1280 COMPATIBLE BROTHER DCP MFC A L'UNITE OU EN LOT
From France
HD SYSTEMS GEARHEAD REDUCER CP-16C-33-J604A-SP 57-8 JG-010
From Korea, South
Diamond Silk Lash A/J, B, C cb for Individual Eyelash Extension
From United Kingdom
HD SYSTEMS CP-25A-5-J401A-SP USPP CP25A5J401ASP
FREE 2 YR WARRANTY FREE US SHIPPING ON ORDERS OVER $100
81 HONDA C70 PASSPORT STD PISTON #
ABB Commander 250 C250/0300/STD Controller
ABB C250/0000/STD COMMANDER 250 PROCESS CONTROLLER
FARGO 44202 CARTRIDGE, C30 STD BLACK (K)
UCO C-A-STD Candle Lantern Canlelier, Aluminum
Brand New Factory Original! eCop! Has THE BEST Service!
Nissan Titan Toolbox, Non-sliding Std Bed (c/c)
KERI NXT-C STD LIGHT PROX CARD 06501-001
Yukon Gear & Axle YP C1-D60-STD Differential Cover
010-825k Yam 701 C.c. Std. Piston Kit By Wsm
Customs services and international tracking provided
BUELL 1125CR 2009 Clutch / Brake Std Length Adjustable Levers B/C
From Australia
New battery Std Honda 1000 CB1000C Custom 1983
From United Kingdom
Dell 05C999 STD2401LW 20/40GB Internal Dat Drive
Bomar 100 Series Cast Hatch #C180-STD-B Brand New!
UFO MOTOCROSS HANDLEBAR PAD FOR STD BARS 2509C
From United Kingdom
Hyosung GT650R 06-11 CLutch & Brake Std Length Adjustable Levers Black/C
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Kawasaki ER-6N 2009-2013 Clutch / Brake Std Length Adjustable Levers B/C
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HEAT SINK, BGA, STANDARD, 14.7_C/W, BGA STD 045 2084433
From United Kingdom
82 HONDA GL1100 STD STANDARD GOLDWING SHELTER COVER #5C4
93 94 95 TOYOTA PICKUP WINDSHIELD WIPER MTR STD SPEC 5468
Used Windshield Wiper Motor
83 84 85 S10 BLAZER TEMPERATURE CONTROL W/O AC STD DUTY HTR OPT C41
*Use 503795*Neb C Std Neb65 Apocryp: New English Bible: Old & New Testament W.A
From United Kingdom
New Perkins 404C-22 Overhaul Kit STD
Integy INTEGY C24352BLACK Deluxe Pit Table Std Size V2 LED Light INTC2260
30 day Return Policy for Money-Back or Exchange
Customs services and international tracking provided
NOS Honda Piston STD 82-83 CM250 CM 250 C
93 94 95 TOYOTA PICKUP WINDSHIELD WIPER MTR STD SPEC
3 Month Warranty!
XYCOM MONITOR 3512 KP
XYCOM 3512KP OPERATOR PANEL WITH MONITOR
3410KP XYCOM MONITORS CRT REMANUFACTURED
XYCOM MONITOR 9460 KP
9460KP XYCOM MONITORS CRT REMANUFACTURED
XYCOM 3410KP USPP 3410KP
FREE 2 YR WARRANTY FREE US SHIPPING ON ORDERS OVER $100
XYCOM 3510-23H2144003100N USPP 351023H214400310
FREE 2 YR WARRANTY FREE US SHIPPING ON ORDERS OVER $100
Xycom 9712KP-HU Operator Interface Industrie PC IPC #D7303
From Germany
XYCOM Automation Operator Interface Screen Monitor 3512 KP 3512-23S214003100K
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GENERAL ELECTRIC A03B-0819-C159 SERIES D, SEE DESC
Fanuc A03B-0819-C052 Analog Output Module NEW
FANUC A03B-0819-C057 NSPP A03B0819C057
FREE 2 YR WARRANTY FREE US SHIPPING ON ORDERS OVER $100
USED Fanuc AOA12F Output Module A03B-0819-C159
