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NEMA34 86mm Integrated Stepper Motor Linear Actuator

 
Linear stepper motors can dramatically
reduce cost and save space. There is no coupling, no additional bearing support and no assembly work required. This not only reduce cost but also reduce failure rate due to the less number of components and more simple construction. In applications with small load ratings a linear guide is also not required. The special design and material of the nut secure long life operation.

Below versions can be delivered
  • Non-Captive linear actuator with nut inside motor. Linear moving part can rotate so it should be fixed.
  • External linear actuator. Nut are mounted on lead screw.
  • Captive (will be available for NEMA34 in the future) and External linear actuator in NEMA size 23 and 34 can be delivered with integrated driver or controller.
  • IP42
  • Rolled ball screw, grade C7
On request
  • Different shaft and stroke length
  • Special nut design

 



Motor Type Supply Voltage
[VDC]
Power
[W]
Travel/rev
[mm]
Travel length [mm]
Interface Motor Length (L)
[mm] (inch)
Weight
[kg] (lb.)
MIL341AEK-EIH285E
Lead screw external nut
12-80 260 2.54 118.3 Ethernet IP, PLC Max 126.5 (4.98)
Typical 124.5 (4.90)
2.8
(6.17)
MIL341BEZ-EPH285E
Lead screw external nut
12-80 260 2.54 118.3 Profinet, PLC Max 126.5 (4.98)
Typical 124.5 (4.90)
2.8
(6.17)
MIL341BNR-EIH385H
Non-captive, internal nut.
12-80 260 5.08 175.5 Ethernet IP, PLC Max 126.5 (4.98)
Typical 124.5 (4.90)
2.8
(6.17)
MIL341BBR-Q5H285F
Ball screw
12-80 260 5.0 157.6 RS485, PLC 8IO Max 126.5 (4.98)
Typical 124.5 (4.90)
2.8
(6.17)
MIL341BBR-EIH285F
Ball screw
12-80 260 5.0 157.6 Ethernet IP, PLC 8IO Max 126.5 (4.98)
Typical 124.5 (4.90)
2.8
(6.17)
MIL341BBR-EIH385HB37
Ball screw with brake 3-4Nm
12-80 260 5.0 257.6 Ethernet IP, PLC 8IO Max 126.5 (4.98)
Typical 124.5 (4.90)
2.8
(6.17)
 
Make your own Motor Partnumber here where x, y and z are described.

Size 34 Captive (C), External nut (E), Non captive (N) Rolled Ballscrew (B)
Axial load Max 2000N * Max 2000N *
Axial play (Endplay) Max 0.1 mm * Grade 4 ***
Radial load 0 N ** 0 N **
Radial play 0 mm 0 mm
Recommend load limit Max 2600N Max 2600N
* We don´t use wave washer and we applied pre-load to the bearings. So the axial play is very small, it comes from the mechanical deform when there is axial load, it should be less than 0.1mm.
** For the motor with screw shaft, there should be no radial load on the screw, otherwise the shaft will be bend and affect the linear accuracy.
*** Read more about ball screws data here.

 
 
 
 
 
 
Normally the lifetime will typical be as following but will depends on load, force, acceleration, speed, temperature and many other factors.
Nut Type External Plastic External Bronze External Anti-backlash Non-captive Ball Screw
Lifetime
(in cycles)
3.000.000 200.000 3.000.000 3.000.000 10.000.000


Standard motors are Class B rated for maximum temperature of 130 °C. Standard protection grade IP42. Motor can also be delivered as a 6 wire unipolar with 30% less force. Other travel per step, special nut and mechanical shaft dimensions/length can also be delivered. Weight and inertia depend upon shaft length. All measures in mm. All electrical tolerances 10%.
 
 

DETAILED
 
 
 

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Tel: +45 4582 4440 Fax: +45 4582 5550 E-mail: jvl@jvl.dk
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