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Linear Actuator

LIM-TEC Servo Cylinder

Servo Cylinder can replace the hydraulic cylinder and air cylinder completely and implement the environment greener and more energy efficient, more clean,
Easy connect to PLC control system , realize the high precision motion control!

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Servo Electric Slide Bevel Gear Box

LIM-TEC IMB Series Servo Electric Cylinder

Long life grease maintenance free

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LIM-TEC Servo Electric Cylinder

LIM-TEC IMB Series Servo Electric Cylinder with advanced servo cylinder structure design and imported parts assembly, ensure that Lim-Tec servo electric cylinder in the domestic leading position, precision grinding ball screw to ensure the overall precision of the position servo cylinder is 0.02 mm, closed-loop control accuracy is 5 um; Maximum rated load reach 50 tons; Speed is 1 m/s, 100% can work continuously; Precision thrust control accuracy was 5%, the closed-loop control accuracy is 1%; Precise control the speed, high performance low speed, high dynamic response time, high acceleration, high rigidity, impact resistance; Long life, simple operation and maintenance, low noise.
Can trouble-free long-term work under the bad environment, and realize high strength, high speed, high precision movement, movement is smooth, low noise, special anti-rotating function ensure the high accuracy position control and high security; Servo electric cylinder hydraulic cylinder and the cylinder can replace completely, greener and more energy efficient, and implement the environment cleaner, the advantages of easy connect to PLC control system such as to achieve high precision motion control. Servo electric cylinder can achieve IP55 protection grade, IP56, so it can be widely used in paper making industry, chemical industry, welding industry, such as outdoor conditions under the condition of normal work!

IMB Servo Electric Cylinder Performance Table:

Model IMB10 IMB20 IMB30 IMB40 IMB50 IMB60 IMB80
  Lead mm 4 5 10 5 10 25 5 10 20 5 10 20 6 10 20 16 20 32
  Max Load N 600 3500 3500 8500 8500 5000 18000 22000 12000 22000 45000 30000 30000 55000 60000 100000 150000 150000
  Max. Speed mm/s 333 350 700 229 458 1145 142 283 567 112 225 450 105 175 350 226 283 453
  Torque max. Force Nm 0.53 3.87 7.66 9.40 18.61 27.40 19.70 48.66 52.55 24.08 98.53 131.37 39.41 120.4 262.74 308.82 579.04 926.46
  Dynamic load Ball Screw KN 4.7 7.6 7.5 12.7 17.4 10 23.2 29 15.8 26 55.6 45.7 34.2 62.4 90.8 200 305 305
  Parallel inertia kg㎡10-4 0.0415 0.552 0.575 1.286 1.351 1.426 7.079 7.482 9.186 78.739 78.913 79.609 82.452 82.793 83.545 196.664 200.613 205.236
  Inline inertia kg㎡10-4 0.0245 0.128 0.156 0.745 0.81 0.885 4.006 4.425 6.028 32.619 32.793 33.489 52.312 53.356 54.127/td> 150.534 154.630 154.630
  Inertia/100mm kg㎡10-4 0.0165 0.0515 0.053 0.301 0.305 0.329 1.965 1.978 2.129 4.83 4.83 4.83 12.1 12.1 12.1 31.742 31.850 32.318
  Max. Stroke mm 500 500 1000 1200 1500 2000 2500
  Max. input rpm 5000rpm 4200rpm 2750rpm 1700rpm 1350rpm 1050rpm 850rpm
  Max. Acceleration m/s2 3 3 6 3 6 10 3 6 10 3 6 10 3 6 10 3 6 10
  Weight（Without motor）kg 5.3 7.9 18.2 29 76.9 126.3 132.6
  Weight per 100mm kg 0.78 1.03 2.1 3.5 4.8 7.1 15
  SCREW TYPE     IMB Series----Ball screw actuator ,100% duty cycle, long lifetime
IMA Series----ACME screw actuator ,30% duty cycle, moderate lifetime
IMR Series----Roller Screw actuator 100% duty cycle, very long lifetime, 15X of ball screw
  Max.idling angle° ±0.3 ±0.3 ±0.3 ±0.25 ±0.15 ±0.15 ±0.3
  Axial backlash mm 0.02-0.04 0.02-0.04 0.02-0.04 0.02-0.04 0.02-0.04 0.03-0.05 0.03-0.05
  Lead error/300mm mm 0.023 0.023 0.023 0.023 0.023 0.023 0.03
  Repeat accuracy mm 0.02 0.02 0.02 0.02 0.02 0.02 0.03
  CAD drawing download  CAD drawing download CAD drawing download CAD drawing download CAD drawing download CAD drawing download CAD drawing download CAD drawing download

Servo electric cylinder Coding

Lifetime calculation

Expected Ball screw lifetime L10 is 90% of stroke ability that screw could reach before metal fatigue, Unit is million millimeters. The expected lifetime does not guarantee a lifetime. In order to reach max. Lifetime the screw needs been appropriate maintenance and lubricate.

If the expected lifetime L10 need higher than 90%, need multiple follow coefficient:

95% ：L10 x 62% 96% ：L10 x 53% 97% ：L10 x 44%
98% ：L10 x 33% 99% ：L10 x 21%

Standard Nut lifetime calculation：


L10 : Expected Lifetime km
C : Rated Dynamic load N S：Screw Lead mm

Pre-load Nut lifetime calculation：


L10(1)Extending direction expected lifetime, formula same as standard nut
L10(2)Retract direction expected lifetime , formula same as standard nut



Mean Load Calculation

In order to calculate accurate lifetime of ball screw, we need get cubic mean load.


The dynamic load rating of zero backlash, pre-loaded screws is 63% of the dynamic load rating of standard non-preloaded screws, The calculated lifetime of preloaded screw will be 25% of the calculated lifetime of same size standard non-preloaded screw.

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