Yaskawa launches direct drive servo motor for ‘backlash-free’ automation applications

yaskawa sgm7f servo motor

Yaskawa has introduced a direct drive servo motor that the company says packs a new level of performance into a more compact size than anything offered before. 

The new Yaskawa SGM7F line of direct drive servo motors delivers from 4 to 35 Nm of torque in a device as small as 2.1” high and 5.3” in diameter (53x135mm).

This size advantage makes it possible to apply the mechanical benefits of a direct coupling between a servo motor and a load in tighter spaces than ever before. 

Yaskawa says machine designers can use SGM7F to make automated machinery more compact, freeing up valuable space on crowded plant floors.

The company adds the chief advantage of direct drive products is the ability to attach a load directly to the servo motor, allowing a full range of motion control without the need for a shaft coupling or gearhead.

“SGM7F also offers a superior level of torsional stiffness and virtually eliminates mechanical backlash,” says the company.

It adds that this yields an output that minimizes damage to components and maximizes positioning accuracy and repeatability. The SGM7F also offers a host of other advantages, including:

An open core design that adapts easily to shaft mounting and allows wiring to pass
through easily

  • 24-bit encoding for exceptionally precise motion control
  • A self-cooled design that generates a low level of heat
  • A design that is ideal for applications which require downsizing and shorter cycle time

The SGM7F line offers eight different models to suit a wide range of industrial applications, including dial tables, transfer lines, die actuators, electronic parts assembly, and print registration.

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