Chapter 3. Specifications
HR4 Motor User manual
3-3
3.2 Specification
Parameters
3.2.1 Performance
Maximum Allowable Velocity:
250 [mm/sec]
Dynamic Stall Force:
30 to 36 [N]
Static Holding Force
28 [N] (reference value)
Non-Energized Stiffness
3.3 to 3.8 [N/
µ
]
Nominal Preload on Stage
144 [N]
Kf
4 to 8 [N/Volt] - driver & command dependant
Kfv
120 to 144 [N
•
sec/m]
Offset
1 to 2 [V] – driver dependant
Attainable Resolution
Better than 100nm – see application notes.
Nominal Lifetime
20,000 hours under nominal operating conditions
3.2.2 Electrical
Maximal Voltage:
270Vrms, 39.6KHz, sine wave.
Maximal Current consumption:
600 mA rms
Maximal Power Consumption:
30W
3.2.3 Environmental
Ambient Temperature:
0 - 50
°
C
Storage:
-20
°
C - +70
°
C
Humidity:
0 - 80% non condensing
Vacuum level (high-vacuum motors):
Vacuum level (ultra-high-vacuum motors):
10
-7
Torr (guaranteed only after baking)
10
-10
Torr (guaranteed only after baking)
Maximum Baking Temperature (for vacuum
motors):
120ºC (140ºC for ultra high vacuum motor)
3.2.4 Physical
Dimensions
Length:
41.9mm
Width:
46.6mm
Height:
23.8mm
Weight:
120/170 gr. (high & ultra high vacuum motors /standard motor)
