• Our Original Brushless Motor Technology

  ► No wearing parts (carbon brushes, commutator, field coil)
  ► Our original compact controller

  Long Lifetime, Maintenance-Free

  The brushless motor offers a significantly extended product life cycle by eliminating trouble including armature burnout, layer short or commutator wear even in severe work environments. Besides, no carbon brush replacement is required.

  Compact, Lightweight

  

• Equipped with Our original, compact and high efficiency inverter circuit, the disk grinder works with an engine generator that doesn’t have an on-board inverter.

  

  • When using the brushless motor tools with engine generators whose output voltage can be adjusted, excessive voltage could cause these tools to fail.

• The brushless motor runs cooler, and its performance isn’t affected as much by voltage drop from long extension cords on site. This vastly improves electrical efficiency.

  

The highly efficient brushless motor and electronic speed control maintains the speed and ensures work efficiency even when load on the motor increases.

• The slim, lightweight and compact design allows for increased maneuverability and work efficiency.

  

  1. As of November 2015. Among 125mm class electronic disk grinders made by leading power tool manufacturers
     (surveyed by Koki Holdings).
  2. The weight may vary depending on accessories included. Weight according to EPTA-Procedure 01/2003.

• Rotation speed can be changed continuously with a dial between 2,800/min and 10,000/min according to the application.

  

  Dial	No load speed (/min)	Use
  1	2,800	Polishing, finishing
  2	3,700	Removal of paint or coat
  3	5,500	Removal of rust
  4	7,500	Removal of burrs
  5	9,000	Grinding
  6	10,000	Rough grinding / Cutting

When a pinched or snagged rotating wheel causes rapid stalling of the rotating wheel, this feature will automatically cut off power to the motor to reduce kickback.

CAUTION

Depending on operating conditions, the Kickback Protection System may not work or provide specified performance. Make sure that the workpiece is placed and supprted properly, and that the main unit is held firmly during operation. Additionally, carefully read “KICKBACK AND RELATED WARNINGS” in the instruction manual.

This feature disables the motor from restarting when power is unexpectedly cut and then recovered, thus minimizing accidents due to unexpected motor restart.

Upon start up, this feature gradually builds wheel rotation speed and therefore reduces the reactive force generated during motor start up. It provides increased safety and control.