DC motor with Planetary Speed Reducer

A manufacturer of doors needed gearmotors for elegant three and four element sliding glass doors in residential applications. These doors had to open and close smoothly and quietly in sequence

The Challenge

• A quiet powerful gearmotor
• Good speed control to allow smooth orchestrated opening and closing
• Inexpensive, but precise, control unit
• Small Package to fit in wall cavity

The Solution

• Low speed DC motor with high starting torque
• Plastic planetary gears for quiet operation
• Integrated controls with special features designed to eliminate the need for expensive servo-controls and end limit switches 
• Start and stop limits built-in and programmable for each application