High-precision positioning Backlashless Gears

About Backlash

about backlush


A backlash is a gear intentionally provided to reduce tooth interference and ensure smooth rotation.  

However, the backlash has a negative impact in positioning accuracy due to effects of lost motion. By eliminating the backlash, there are an advantages in reducing play and improving positioning accuracy. On the other hand, when backlash is reduced to zero, the gear cannot rotate.   

The new product has a special spring inside the gear to maintain smooth rotation by reducing lost motion. As a result, positioning accuracy can be improved.

　　　　
　　　　　

Applications

  • Robot Incorporating them into the joints allows for more idealized movement.

    robot arm

  • Semiconductor Equipment Higher positioning accuracy contributes improvement in tact time.

    Semiconductor Device

  • Measuring Instrument By eliminating unnecessary movements,more accurate measurement results can be obtained.

    Measuring instrument

Backlashless gears have been adopted by a number of users, and we recommend with confidence.

　　　　　 　　　　 　　　　　 　　　　　

Specification

■NC-153901


    Coreless DC Servomotor
    □19.8×Ｌ65.7ｍｍ
    ※Dimensions excluding the shaft



■BD-183801

    Coreless DC Brushless Motor
    □19.8×Ｌ66.6ｍｍ
    ※Dimensions excluding the shaft
    We can also accommodate specifications suitable for use in outgassing environments.

　

Outline Drawing

■NC-153901 Coreless DC Servo motor

■BD-183801 Coreless DC Brushless motor