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Gearhead SPG12Gearhead Motor

Planetary Gearhead

Note) Dimension maeked ※ is measured with shaft pushed against gearhead.

SPG12 General specifications

    Gearhead SPG12
1 Housing material Metal  
2 Geartrain material Steal  
3 Recommended max input speed 8000 rpm
4 Operation temperature range -10...+60
5 Backlash at no-load per stage ≦ 1 °
6 Bearings on output shaft Sintered Sleeve bearings  
7 Max shaft radial load(7mm from flange) 4(25) N
8 Max shaft axial load 2 N
9 Max shaft press fit force 30 N
10 Shaft radial play ≦0.03 mm
11 Shaft axial play ≦0.3 mm
12 Max allowable torque (Continuous) 100 mNm
13 Max allowable torque (Intermittent) 200 mNm

Spec Based on stages

                             
    Gear Ratio  
    SPG12-3.5 4.8 12 23 58 107 509  
14 Reduction ratio (absolute value) 3.50:1 4.80:1 12.25:1 22.56:1 58.19:1 107.177:1 509.07:1 
15 Number of stage 1 1 2 2 3 3 4 
16 Efficiency 85.0 85.0 72.3 72.3 61.4 61.4 52.2%
17 Direction of rotation = = = = = = =
18 Gearhead length : L1 14.2 14.2 18 18 21.8 21.8 25.7mm
19 Weight 11.6 11.6 14.1 14.1 16.6 16.6 19.1g

Combination with motor

    Reduction ratio (Motor + gearhead total length)  
Type Model name 3.5 4.8 12 23 58 107 509
Coreless Motor CMS12-15..P 29.2 29.2 33 33 36.8 36.8 40.7 mm
CMS12-20..P 33.4 33.4 37.2 37.2 41 41 44.9
CMS12-30..P 44.2 44.2 48 48 51.8 51.8 55.7
Brushless Motor BMS12-15..P 20.5 20.5 23.5 23.5 26.5 26.5 29.6 mm
BMS12-21..P 35.2 35.2 39 39 42.8 42.8 46.7

※Example: CMS12-1506 MOTOR + SPG12(3.5) → CMS12-1506P3.5

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