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GB28K


Planetary Reduction Gearhead - 0.03……. 3.5 Nm

Design

Gearhead GB28K, a moderately priced gearhead, is specially designed to cater heavy duty application in a cylindrical frame with centre shaft. This is a planetary gear box with all plastic gears . The output bearing is robust and is made of powdered metal (ball bearing on special request). The entire gearhead is permanently lubricated and therefore requires no maintenance. Brushed and Brushless DC Motors upto 36mm diameter are generally mounted on this gearhead to provide a compact and yet powerful drive.

Technical data

Gear type   Spur Gears
Gear Torque Nm 0.5….3.5
Combination with Mechtex motors (add assembly drawing along with proper mounting)   BI28, DC28, DC30, DC32, DC38, MTR2b, BI24, BO32, (others like BO42, DC42, etc on special request).
Mounting   4 ~ M3X5.5 dp, PCDØ26
Axial thrust N 20
Lateral force N 40
Radial torque Nm 0.8
Output Bearings   Powdered metal (Ball bearing on special request)
Output shafts Ø 6mm (others on special request)
Ambient temperature operation °C -15….+55
Enclosure IP 40

 

Gearhead Data:

Reduction   3.71 5.18 13.73 19.2 26.85 50.89 71.16 99.51 139.14 188.61 263.73 369.76 515.63 720.99 938.85
Max.output shaft diameter mm 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6
number of stages   1 1 2 2 2 3 3 3 3 4 4 4 4 4 4
Max.continous torque (Nm) 0.5 0.5 0.5 0.5 0.5 2 2 2 2 3.5 3.5 3.5 3.5 3.5 3.5

 

Transmission Ratios

1 Stage 3.71 ,5.18
2 Stage

13.73 ,19.2 ,26.85

3 Stage

50.89 ,71.16 ,99.51 ,139.14

4 Stage

188.61 ,263.76 ,369.76 ,515.63 ,720.99 ,938.85*

 

Note - DC38 Motor not possible with ratio marked with * suffix

 

Dimensional Drawing