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運動控制系統及元件

薄型中空 DD 馬達

 
薄型中空 DD馬達
 
 薄型中空  DD 馬達
 
 
 
 
 
產品規格
TORQUE MOTOR RSMR-T-24-237-25
FEATURES:
·Iron-core three-phase rotary synchronous motor with rare-earth magnets for high force density.
·Direct drive (no gear, no backlash), low profile (height 42 mm) with hollow shaft (Ø112 mm).
·Built-in precision ball bearing, sine optical encoder, thermistors for overheating protection.
·High precision, repeatability and resolution, low cogging, smooth movement.
·High motor stiffness and large bandwidth by position regulator with encoder feedback.
APPLICATIONS:
Semiconductor manufacturing, pick and place machines, indexing tables.
CONSTRUCTION:
Motor consist of a fixed lamination stack with windings (stator) and rotated steel ring with glued permanent
magnets (rotor). Windings are encapsulated in thermally conductive epoxy. The smoothness of movement
is achieved by sinusoidal commutation of motor phases currents.
 
SPECIFICATION OF RSMR-T-24-237-25-C-
 
GS1
GT1
Number of poles pairs 2P
 
31
31
Peak torque Mp (coil at 20ºC)
Nm
111
111
Continuous torque Ma (coil at 120ºC)
Nm
42
42
Bearing friction torque Mb
Nm
0,3
0,3
Cogging (detent) torque Mc
Nm
0,8
0,8
Peak current at Mp
Arms
14,0
24,2
Continuous current at Ma
Arms
5,1
8,7
Inductance L
mH
22,9
7,6
Resistance R
Ohm
4,3
1,4
Maximum velocity Np at 310 VDC and Mp
Rpm
180
330
Maximum velocity Na at 310 VDC and Ma
Rpm
325
565
Maximum velocity Nb at 310 VDC and Mb
Rpm
428
734
Maximum bearing velocity
Rpm
923
923
Rotor moment inertia
Kg·m2
0,07
0,07
Motor weight
Kg
10
10
Maximal axial / radial load
Kg
65 / 30
Maximal load tilting torque
Nm
34
Axial / radial runout
Micron
20
20
Number of encoder lines
 
11152
11152
Position accuracy
arc.sec.
30
30
Repeatability
arc.sec.
2
2
Resolution
arc.sec.
0,1
0,1
 
 
Pin assignment for ATOM4D1 Encoder D-Sub-15M plug
P2 15 pin D-Sub Encoder Male Connector, Front view
   Screen is connected to metal plug housing.
   All sin, cos, ref voltages are differential 1Vptp (point to point) voltages of encoder with return GND.
Voltage range of sin, cos, ref differential inputs is 2.5V +- 0.5V (from 2 to 3V). Use twisted pair
screened cable, screen connection to connector’s case.
 
Wire assignment for Motor Cable OILFLEX-SERVO-700CY 4Gx0,75+2x(2x0,34)
Wire number
Wire color
Cross Section
Description
Connection
01
Black
0.75 qmm
U
Motor phase U
02
Black
0.75 qmm
V
Motor phase V
03
Black
0.75 qmm
W
Motor phase W
 
Yellow-Green
0.75 qmm
GND
Motor case, ground
 
Yellow
0.34 qmm
PTC1
PTC pin 1
 
Green
0.34 qmm
PTC2
PTC pin 2
 
White
0.34 qmm
KTY1
KTY pin 1
 
Brown
0.34 qmm
KTY2
KTY pin 2
PTC is non-linear positive temperature coefficient thermistor correspondent to DIN-44081 norm.
Three serial connected PTC are mounted in motor windings and changes resistance from approx. 150
Ohm at 115 Co to more that 12 KOhm at 125 Co. PTC can be used in servo-amplifier for motor
overheating protection.
KTY is linear positive temperature coefficient thermistor with resistance approx 1 KOhm at 20 Co
and temperature coefficient 0.61%/K. It is mounted in motor case. KTY can be used in servo-amplifier
for motor temperature measurement and overheating warning.
 

 

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