Permanently Lubricated Spur Gear Drive
GB2

GB2


Permanently Lubricated Spur Gear Drive

Application

Timers, Chart Recorders, Potentiometer Drives, Light Displays, Hour Meters, Cam Timers, Programming Devices and Control Instrumentation.

Design

GB2 is a permanently lubricated thick shaft spur gear drive with 0.3Nm Gear Torque. It can combined with various types of motors. In this gearhead, spur gears rotate on hard steel spindles which are polished to a mirror finish. To dampen running noise at slow running times and low motor loads, the initial spur gears after the rotor shaft are made of injection-molded polyacetal. The spur gears close to the output shaft, on the other hand, are made of metal. The output shaft is mounted in two special brass bushes.

The entire gear train is put between metal plates with a plastic frame. It is permanently lubricated and therefore requires no maintenance. Thicker shafts (Ø 6-7mm) mounted in robust bushing (Ø 12) are available in the new variant (GB2S). This gearbox can combined with Synchronous Motors, BLDC Motors, PM Stepper Motors, and DC Geared Motors as per requirement. 


Technical Data
Gear Type   Spur
Gear Torque Nm 0.3
Combination with Mechtex motors   Motor MTO, MT6, MTR/S3a/3b,MTR/S-5 and small DC motors
Mounting   any position
Weight g 60
Axial thrust N 20
Lateral force N 50
Radial torque Nm 0.5
Slipping clutches/free wheel   single left/right
Slipping clutches/friction 2 way Nm 0.05
Output bearing   Sintered bronze sleeve bushings
Output shafts B 3.175,4.00,4.76,5.00,6.00 & 7..00 (others on request)
Ambient temperature operation °C -15...+ 55
Enclosure IP 40

Dimensional Drawing
Dimensional Drawing of Mechtex Spur Gearbox GB2

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