CEMC

Benefits:
  • Easily integrated into existing equipment
  • Increased acceleration and speed of the robotic arm and welding gun
  • Better process control and stability compared to fluid actuation
  • Reduced maintenance costs
Features:
  • Very compact, with integrated motor
  • Extended service life thanks to planetary roller screw technology
  • Very light material with aluminium body
  • Very low maintenance requirements and easy relubrication process

With 20 years of automotive experience in car body spot welding, the last generation of CEMC offers multiple configurations to fit customer needs and to provide the best power-to-weight ratio on the market.
The integrated and specially designed hollow shaft motor gives an extreme axial compactness of the actuator and a lightweight construction (only 12 kg). By using planetary roller technology we maximize the service life: it can deliver twice the life of the former series (up to 20 million welding spots over lifetime), requiring only one relubrication interval in between (up to 10 million spots on a single gun without any relubrication). It is possible to equip the actuator with different position feedback devices, resolver or encoder, compatible with main robot and servodrive OEMs from the market, as well as choose from several attachment options, that lead at the end to more than 600 different combinations. On demand customizations on attachment sizes and special greases are also available.

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Technical Data

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Overview
CEMC1808CEMC2105
Max dynamic axial force (kN)1525
Speed (mm/s)480300
Dynamic load capacity (kN)3859
Screw type / diameter lead (mm)Roller screw, 18/8Roller screw, 21/5
Max stroke (mm)150 and 300180
Motor typeServo motorServo motor
Duty cycle (%)100100
Operating temperature0 to 40°C0 to 40°C
Type of protectionIP65SIP65S
2D / 3D
Publications
IL-05001/4-EN-September 2022 High performance actuator
IL-07017/5-EN-November 2022 Electric cylinder CEMC
TC-08035/1-EN-November 2022 CEMC operating manual
IL-07031-EN-March 2021 High power density solution
EL-04012-EN-July 2022 Compact actuator updates.pdf
EL-04014-EN -October 2022 Linear solution for spot welding
EL-02001/2-EN-September 2022 Fluid power replacement
EL-03008/1-EN-September 2022 Linear technology for joining
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