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  • CAD data and documentation for your configuration
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The benefits for you

Suitable for tight spaces
thanks to a high torque density and an installation length up to 40% shorter than versions with adapter mounting

High efficiency and accuracy during production
as a result of outstanding control characteristics and consistent precision throughout the entire service life

Optimum adaptation to your application
thanks to a comprehensive modular system enhanced by numerous options from the three gear unit performance classes and the flexibility of the available motor encoder systems

Perfect solution for highly dynamic applications
due to a low mass moment of inertia combined with excellent acceleration

Specifically developed for highly dynamic applications involving precise positioning

Our PxG®M..CM3G.. precision planetary gearmotors have been specifically developed for highly dynamic applications involving precise positioning. One key feature is their extremely compact design, with aninstallation length up to 40% shorterthan conventional servo planetary gearmotors with adapter mounting for the motor. In the future, this means PxG® integrated precision planetary gearmotors will even be suitable for many applications that previously required right-angle gear units. Furthermore, the compact design ensures extremely high torsional rigidity and a low mass moment of inertia. Together with the high overload capacity, these features maximize the solution's dynamic credentials.

In conjunction with the high-performance materials being used, the latest winding and magnet technology results in high efficiency and reduced heat generation, despite the compact design.

The acoustic optimization of components and the high-precision helical planetary gear units of the PxG® series also ensure low-noise operation.

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Features

  • Three gear unit sizes (PxG® 3, 4, and 5), each in three performance classes, can at present be combined with two motor sizes (CM3G71 and CM3G80), each in two lengths (S and M)
  • Single-stage, two-stage, and three-stage precision gear units with gear ratios of 4 to 220
  • Output variants: flange block with/without index bore, solid shaft – smooth or with key/splining
  • Output shaft designs optionally also available in stainless steel
  • Rotational clearance between 1 and 8 angular minutes, depending on the size and number of stages
  • Can be used instead of right-angle gearmotors thanks to the extremely compact design
  • IP65 degree of protection (option of IP66)
  • Ambient temperature of -15 °C to +40 °C
  • Exceptionally smooth running and excellent controllability thanks to an optimized electromagnetic design
  • Flexible encoder options – Resolver, Hiperface, EnDat2.2 (MOVILINK® DDI in preparation)
  • Less cabling thanks to single-cable technology with EnDat2.2 digital encoders
  • Compact version with single-cable technology and no encoder

Technical data

The technical data is based on the combination of our PxG® precision planetary gear units in sizes 3, 4, and 5 and the new CM3G71 and CM3G80 motors.

PxG®M technical data

PxG® P5G
the scalable all-rounder

Optimized for S3 short-time duty (cdf* < 60%)
P6G
the fast endurance runner

Optimized for high mean speeds or S1 continuous duty (cdf* = 100%)
P7G
the precision powerhouse

Optimized for high overload capacity and precision
Gear ratio 4 – 100 4 – 100 16 – 220
Peak torque
Nm
105 – 840 70 – 480 169 – 990
Rotational clearance 3 – 4 arcmin 3 – 4 arcmin 1 arcmin

cdf = cyclic duration factor

CM3G.. technical data

CM3G 71S 71M 80S 80M
Speed
rpm
3000 6000 3000 6000 3000 6000 3000 6000
Standstill torque
Nm
2.45 5.8 4.65 15.6
Standstill current
A
1.46 2.75 3.95 7.3 3.15 6.2 10.1 18.9
Maximum torque
Nm
4.5 12.6 8 30
Maximum current
A
3.2 6 9.2 17 6.1 12 21.5 40

Areas of application

  • Machine tool gantries
  • Delta robots
  • Mounting presses
  • Drilling and pegging machines
  • Filling and transfer starwheels
  • Printing machines
  • Diaper machines
  • Laser cutting machines
  • Wire and pipe bending machines
  • Chain magazines and tool changers


Sample applications

Delta robot

The benefits for you
  • Easy to integrate into the robot thanks to the exceptionally compact design
  • A high level of precision as standard, ensuring high repeat accuracy and precise positioning – even at a rate of over 200 positioning tasks per minute
  • High control quality based on the extremely high torsional rigidity of the short design
  • Drive with small mass moments of inertia that enable high acceleration values and make it possible to boost productivity
  • Parameterizable MOVIKIT® software solutions for robotics

Chain magazine and tool changer

The benefits for you
  • Drive with small mass moments of inertia that enable high acceleration values and make it possible to boost productivity
  • Space-saving installation in the tool changer thanks to an exceptionally compact design
  • "Chip-to-chip time" minimized as a result of the very quick tool change made possible by the PxG®M..CM3G.. servo actuator's high overload capacity
  • Wide variety of encoders for optimum integration into the machine tool

Wire and pipe bending machine

The benefits for you
  • Highly dynamic servo gearmotors that support thousands of processing steps per minute and increase the machine's throughput
  • Significantly faster inline functions such as straightening, cutting, chamfering, and bending facilitated by the new PxG®M..CM3G.. solutions
  • Maintenance-free servo actuators that are ideal for non-stop production
  • Huge energy-saving potential realized by replacing conventional hydraulic drive technology

Available options

  • Reduced rotational clearance
  • Food-grade lubrication
  • Stainless steel output shafts
  • Permanent-magnet holding brake
  • Approvals: UL and CSA (in preparation)
  • Encoder systems:
    • Resolver
    • Hiperface® encoder with electronic nameplate, single-turn and multi-turn
    • EnDat2.2 from HEIDENHAIN with single-cable technology, single-turn and multi-turn
  • Design with single-cable technology and no encoder