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滾珠絲杠在機(jī)床行業(yè)的普遍應(yīng)用，推動了加工機(jī)床行業(yè)的快速發(fā)展，但機(jī)械式傳動的局限性，已無法應(yīng)對日益高速化、高效化切削的發(fā)展趨勢。直線電動機(jī)式就是在這種趨勢的需求下產(chǎn)生的一種高速高效傳動方式，特別是機(jī)床的高速傳動發(fā)展跨上一個新臺階。德國作為世界先進(jìn)機(jī)床的先驅(qū)，20世紀(jì)80年代就開始了高速銑削和車削技術(shù)的研發(fā)。1993年，德國EXCELLO公司推出了世界上第一個由直線電動機(jī)驅(qū)動的工作臺HSC-240型高速加工中心，機(jī)床主軸最高速達(dá)到24 000r/min，最大進(jìn)給速度為60n/min，加速度達(dá)到1g。

當(dāng)進(jìn)給速度為20m/min時，其輪廓精度可達(dá)0.004mm。美國的Ingersoll公司緊接著推出了HVM-800型高速加工中心，最大進(jìn)給速度達(dá)到75.20m/m i n。

1996年開始，日本相繼研制成功采用直線電動機(jī)的臥式加工中心、高速機(jī)床、超高速小型加工中心、超精密鏡面加工機(jī)床、高速成形機(jī)床等。從此以后，直線電動機(jī)在高速數(shù)控機(jī)床的應(yīng)用如雨后春筍般地迅速發(fā)展起來。近十年來，世界上各工業(yè)發(fā)達(dá)國家紛紛投入巨資，大力研究、開發(fā)成功不少直線電動機(jī)驅(qū)動的高速數(shù)控機(jī)床，并逐漸有搶占傳統(tǒng)滾珠絲杠市場的態(tài)勢。

直線電動機(jī)加工中心在國外的寶馬、通用等著名汽車公司已經(jīng)有成熟的應(yīng)用，在國內(nèi)上汽通用、東風(fēng)雪鐵龍、昌河鈴木、海馬汽車等也有整線的應(yīng)用實例。本文從技術(shù)分析和應(yīng)用實例上進(jìn)行了直線電動機(jī)和滾珠絲杠驅(qū)動加工中心的對比。圖1為Comau Urane25直線電動機(jī)高速加工中心。
傳動原理分析對比滾珠杠副存任的問題如下：

（1）“旋轉(zhuǎn)電動機(jī)+滾珠絲杠副”的直線驅(qū)動方式存在著多個彈性環(huán)節(jié)，當(dāng)整個系統(tǒng)在高速運動時，會出現(xiàn)剛度下降，同時彈性變形使系統(tǒng)的階次變高，系統(tǒng)的魯棒性降低，從而使伺服性能下降。彈性變形是數(shù)控機(jī)床產(chǎn)生機(jī)械諧振的根源。

（2）中間傳動環(huán)節(jié)的存在，增加了運動體的慣量，使得位移和速度響應(yīng)變慢。

（3）間隙死區(qū)、摩擦、誤差積累等因素，使進(jìn)給速度和加速度受到限制。

（4）動轉(zhuǎn)平穩(wěn)性較差，在高速運動下噪聲易發(fā)熱。

（5）精度保持壽命相對短。
而直線電動機(jī)以—個運動部件實現(xiàn)直線運動，則具有以下優(yōu)點：直接驅(qū)動中力是無接觸傳遞的，因此無磨損，使用壽命長，維護(hù)簡單；傳動剛性高，推力平穩(wěn)，直接驅(qū)動，彈性環(huán)節(jié)減少，系統(tǒng)剛性提高，傳動效果高；定位精度和重復(fù)定位精度高，可達(dá)亞微米級，比伺服電動機(jī)及滾珠絲杠副傳動的加速度和重復(fù)定位精度提高7～10 倍。
 

194R-60-C3 194R60 A Line or Load Terminal Shield

2090-CFBM7DD-CEAF30 Kinetix 30m Flexible Cable

2090-CPWM4DF-14AF09 MP-Series 9 m Length Power Cable

2090-XXNPT-16S12 Kinetix Drives 12m Standard Cable

BC647MQPU01 Machine Edition View for Quick Panel 1 user Upgrade from QuickDesigner with Proficy GlobalCare Complete with USB Hardware key

GA647IFSTRN00300 GCA iFIX Std HMI 300 I/O Run

HE693IBS100 Discontinued Part. Check with GE IP on migration path.

IC646MDA075 View Development/Runtime 75 I/O

IC647DNP010 "DNP3 Master Protocol for 10,000 points"

IC647S2GC S2G:SECS-II

IC693MDL632LT 125 Vdc Input (8 Points) (LT)

IC756DVE000E-99 EO GECK (Graphical Editor Construction Kit) - Unix, English, Version 9 .9

MSI-QUAL-10-43 Quality Mang Clients 10 Pack-43

PLC-5/1771 System 1771-ASB PLC-2,-3,-5, REMOTE I/O ADAPTER MODULE

Distributed I/O 1790D-0B16 DNET LDX I/O, 24VDC, 16 SOURCE OUT BASE, D-SHELL

Communications 6628-A5 WDLAN-EPR F001 ETHERNET ADAPTER CARD (XT/AT)

Operator Interface 2711E-UK12EK10 PANELVIEW 1200E KEYPAD TO 1000E KEY MIGRATION KIT

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Support 9324-RLDFBDR SUPT REINSTATEMENT CONTRACT FOR 9324RLDFBDEN

DeviceNet Products D1771-6.5.118 DEVICENET SCANNER CONFIGURATION MANUAL

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2225-LV Greyline OS, 4 Line, (20) 4MM Chars, LCD. ASCII /Serial Interface, 10-30 VDC, NEMA 4

HE800ACC512 DIN-rail mount Terminal Block, 12-pin. Compatible with most SmartStack Analog I/O.

IC693ACC318 Connector Kit, 24 Pin, Qty (10), Ribbon Type (For MDL654, 655, 752, 753)

QPK3D200L2P 6" Monochrome, TCP Label, 24Vdc, UL,cUL,CE,UL1604

TGT-000A-4-0RR Target 4-Axis Motion Control Module

SCC-DI01

DS817-03

586ITOX

DAT2000 ISA

M1S2-5500V4H

MTC-610/611

1492-SPM1B500-N MCB Supplementary Protector 50 A

直流電源 6EP1437-3BA00 3 相 400-500VAC 輸入。24VDC/40A 輸出

電機(jī)啟動器 3VU13400MG00

1497D-A16-M14-0-N Gen Purpose Transber

1608G-6F1 I-Grid 6-Channel Subbion Renewal

1769-OB32T CMPLX 32 Pt 24VDC Terminated D/O Module

190S-AND2-CB63C 4.0-6.3 A Compact Comb Starter W/Ckt-Bkr

194R-N60-1753-PBS1 Non-Fused 194R Disconnect Switch

2090-CPBM7DF-16AA20 MP-Series 20m Standard Cable

2090-XXTFMP-S12 MP-Series 12 m Length Feedback Cable

CBL-T7-MP-20 Power cable for MTR-3T10 or MTR-3T20 or MTR-3T40 series servo motors. 20 feet

GF-3093R Connecting FlashCable to Sensotec Pressure Transducer, Keyence LS-5000 .

IC200UDR002 14 point PLC,(8) 24VDC In, (6) Relay Out, 24VDC Power Supply

IC646TPR935 ProServer 35,000 I/O Point Runtime System

IC647PATAXS0 Proficy PAT - Driver For All Axsun Technologies Near-Ir Spectrometers

IC693APU300 High Speed Counter (HSC)

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Support 9380-RSBEDRCPR SUPT REINSTATEMENT CONTRACT FOR 9380RSBEDRCP

DeviceNet Products 1738-ADN18P DEVICENET ADAPTER WITH MINI PASS THROUGH

RSI Software Products 9301-2SE3203DEE RSVIEW32 RUNTIME 300 WITH RSLINX (GERMAN)

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Motion Control 2090-SCVG200-0 SERCOS FBR CABL,CONN,STNDRD PVC JKT,GLASS,200.0M

GFZ-0043 Genius I/O System Troubleshooting Guide for Series Six PLC

IC646MPC001 Logic Developer - PLC Configuration Tools

MTR-1324-N-D-E-0 Stepping Motor, Nema34, Series Wdg

QPJ-ABD-201 Communication Module for 5 inch & 6 inch: AB DataHighway Plus/ UL/ cUL/ CE/ UL 1604

PXIe-5170R

E2073-66501-3643-02-1999

MATROX MGI PH-P256

PBA75F-12

PEAK 635

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1495-N80 Line Side Cover

1585J-M8TBJM-4 RJ45 Ethernet Media

1761-CBL-AS09 MicroLogix Cable

188-K3B200-N Miniature Circuit Breaker 20 A

194L-E16-3254 16 A 194L Load Switch

2090-CPBM4DF-16AF25 MP-Series 25 m Length Cable

2090-XXNFMF-S25 Kinetix Drives 25m Standard Cable

BC647OEM0500 OEM Edge Program - Complete (Approval Required)

GC647PATBRS0 Proficy PAT - Driver For Brimrose Near-Ir Spectrometers - Assist Support

IC200MDD844LT MIXED 24VDC POS LOG OUTPUT 0.5A GRP 16PT / INPUT GRP 16PT (LT)

IC646NRX000 System Sentry

IC647MBL001 Machine Edition Lite Development Suite with USB Hardware key

IC675GSD001 Profibus Station IP67 GSD Configuration Files

IC697MDL740 24/48 Vdc Output, 2 Amp, Positive Logic (16 Points)

IC800SLR003 External regeneration resistor rated 20 ohm 300 Watt for SL and S2K series

ControlLogix/1756 System 1756-BATM CONTROLLOGIX BATTERY MODULE

Industrial Computers 6182H-15BRH15D VVCE 1500, KEY/TOUCH, STD MEM, CNET, DC

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ControlNet Products 1734-EP24DC 24V DC POWER/BUS EXTENSION MODULE

RSI Software Products 9301-2SE240ITU3R RSVIEW32 WORKS 150-32K UPGRADE OUT-SUPT (IT)

RSI Software Products 9358-B60U3R UPGRADE: OUT-SUPT: RSBIZWARE BATCH 30 TO 60

Motion Control MPL-A430P-SK22AA MOTOR,SERVO,5.42 NM,5000RPM,SINGL,230V,6.4KG

Motion Control 2090-UXNFM-S03 CABLE,ULTRA, DRIVE CN2 TO N/C,3M

CBL-1C-ET-20 Encoder Cable, MTR-1216, 1221 & 1231 Stepping Motors, 20 Ft.

IC630MDL303RR 5-12Vdc (TTL) Sink Input Module, D Connector (32 points)

IC800SLCFLYV010 Flying Lead Cable, 1-5 kW SL Amplifier I/O to OCS or 3rd Party Controller, 1 Meter

OC647IFSETKTC iFIX Optn: System Extension Toolkit (M1Component Part)

PXI-2569

ROBO-8712VLA

PHILIPS HEALTHCARE SNGBP 459800079641

N2200-PAC-400W

NUPRO-A301 NuPRO-852

4036A H9MSER40XX

1492-MCBA180 80 A UL489 Miniature Circuit Breaker

1494V-DJ622-A-B-D NEMA Flange Mtd Rod Switch Disconnect Sw

軟啟動器 3RW44566BC35

工程組態(tài)編程軟件 6AV2103-2DH04-0BD5 SIMATIC WinCC 專業(yè)版 Powerpack 512 PowerTags -> 4096 PowerTags V14

1585D-M4UBJM-4 Ethernet Media M12, Patchcord

1756-L72 ControlLogix 4 MB Controller

1799-BRKD Embedded Input/Output DIN Rail Bracket

194E-FA16-P11-PE 194E Load switch

2090-CFBM6DF-CBAA15 TL-Series 15m Feedback Cable

2090-SCNP32-0 Kinetix 32-32m Fiber Optic Cable

BC646MPM001 Logic Developer PLC Nano/Micro with Proficy GlobalCare Complete

GC647AHC001 GC PA Historian Connector

HMI-CAB-ETH 6 feet, Ethernet Cross-over cable for direct connection to CE devices

IC641VPD010 VersaPro Distributor Demo 10 Pack

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IC660EBD120RR High Speed Counter Electronic Assembly

IC697ACC644 24VDC fan tray for Series 90-70 or RX7i short racks.

IC756WRE499E-27 Runtime License Windows 100+ Users English v2.7

FlexLogix System 1794-IE8 ANALOG INPUT MODULE, 12 BIT, 8 POINT

PLC-5/1771 System D6200-6.4.11RU PLC5 PROG. SW INSTRUCTION REFERENCE MNL (RUSSIAN)

Process Control 1757-PLXSU300 PLX SERVER 100 TO 300 POINT EXPANSION

Operator Interface 2711P-T10C4D1 PV PLUS 1000, TOUCH, ENET, DC PS, STD MEM

Support 6001-A1CS SUPT RENEWAL CONTRACT FOR 6001A1C

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Support F1785-L46BSERD FIRMWARE UPGRADE FOR 1785-L46B PLC5 PROCESSOR MODU

RSI Software Products 9301-2SE2303ZHE RSVIEW32 WORKS 1500 WITH RSLINX (CHINESE)

RSI Software Products 9701-VWSS000FRU2 RSVIEW SE 100 TO UNLTD DISP UPGRADE (FRENCH)

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Motion Control 1394C-SJT05-T-RL MODULE,SYSTEM,5KW,IMCS TURBO,W/RIO,W/AXIS LINK

BC646MODEV05PK Motion Developer 5-pack Proficy Global Care Complete for the S2K Series Amplifiers/Controllers

IC300OCS056 8 DC Inputs (12/24vdc), 6 Relay Outputs (3.0A ea), 4 Analog Inputs (0-20mA, 0-5v, thermister), 2 Analog Outputs (0-20mA, 0-10v)

IC752WFB203 Display Station 2020 w/ touch - 12.1" SVGA (800x600), Pentium 233 MHz, 64MB RAM, 6.4 GB HD, expansion slots, Ethernet, floppy drive, CD ROM front access, built-in keypad, unlimited point count CIMPLICITY HMI R&D, Win 95

MTR-3T21-G-R-0-M-SRR Servo Motor Metric with Seal

PCI-6225

AR-B1684VL

DiVA011-1104-481

PWS-1K28P-SQ

IAC-H487A

SPI-8151-LLVA

1492-L3-W IEC Term Blck 5.1x59.5x31.3mm Spr Clp

1494C-CM11 Cable Mechanism

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附件 6ES7 954-8LF02-0AA0 存儲卡：24 MB

1585A-DD4JD Accessories Ethernet Media

1746-RT28 SLC Replacement Terminal Block

1790D-T0A6 CompactBlock LDX 6 Point O/P Base Block

194E-A32-1753 32 A 194E Load switch

20-PP12001 OPTICAL FIBER SET

2090-CSBM1DF-18AF11 Kinetix Cable Single DSL 2090-Series

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GC646MBP001 Proficy GlobalCare Complete for ME Professional Development Suite

HE670IBU100 Discontinued Part. Check with GE IP on migration path.

IC600LX680RR 64K Logic/16K Register Memory Module

IC647HSTESEO100KM eSignature Option for Historian - Enterprise Server 100000 Points (M4 Key)

IC655CCM500RR Communications Control Module (CCM)

IC694MDL230 Input module, 120 VAC 8 point, isolated per point.

IC756SDV001K-98 DV Development - Solaris Op Sys Addt'l User, Korean, Version 9.8

MicroLogix 1500/1769 System 1769-IM12 12 POINT 240 VAC INPUT MODULE

PLC-5/1771 System 1771-PT4 FIBER OPTIC CABLE

Distributed I/O 1794-TB32S TERMINAL BASE FOR 32 POINT MODULES - SPRING CLAMP

Communications 9399-WABOUGPT RSLINX OEM USER GUIDE (PORTUGUESE)

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IC697VAL308 Analog Output, Isolated, 8 channel, 12 bit, Voltage - bipolar +/-2.5VDC, +/-5VDC, +/-10VDC. Removable terminal block, no cable required

MTR-1331-J-N-D-E-0RR Stepping Motor Nema34

MID-7604

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150-F85NBR SMC Flex Smart Motor Controller

1734-IR2E POINT I/O 2 Point RTD Input Module

1783-HMS16T4CGN Stratix 5400 20 Port Managed Switch

193-EPT E1 Plus Module 193-EPT

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2090-CPWM7DF-14AA02 MP-Series 2m SpeedTec Standard Cable

2098-DSD-075-DN Ultra 3000 Servo Drive

GA646IFCLNTCRO050 GCA iFIX iClient Read Only 100 PK Keyless Runtime Version

GFK-2209 Stepping MotorCube with Pulse & Direction Interface Manual

IC220TBK122 I/O TERMINAL STRIP, 12 POSITION SPRING STYLE, INPUT, QTY 10

IC647GE6M GE6:GE Fanuc CCM2

IC647SES010 Scheduler Server Medium

IC693MDL646 24 Vdc Input, Neg/Pos Logic, 1 msec Filter (16 points)

IC756DVE010K-98 EO GECK (Graphical Editor Construction Kit) - Inb x87, Korean, Versi on 9.8

MSI-QUAL-UNL Unltd Site Clients - Quality Management

PLC-5/1771 System 1771-RK I/O RACK KEYING BANDS, 36 PER PACKAGE

Distributed I/O 1790D-4T0 DNET LDX, 4 INPUT THERMOCOUPLE BSE,D-SHELL CONN

Communications 1770-SC DATA HWY STATION CONNECTOR

Operator Interface 2727-M7P20D1Q2 MOBILEVIEW MACHINE TERMINAL MT750

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EtherNet/IP Products 2706-P44C INVIEW MESSAGE DISPLAY. 1 OR 2 LINE

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IC693APU302 Axis Positioning Module (APM), 2 Axis

QPLCGDE0000 12.1" Color TFT, Ethernet, CF Card, 24VDC, UL, cUL, CE

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