Planetary Gear Drive

C Drive Unit ■
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■Drive Unit Selection Example
Conditions and final selections ○:Conditions ■:Selected item Reference page No.
○ Ambient Condition :indoor, Ambient temperature 25℃
■ Check ambient condition →OK C-2 Standard Specification
○ Load power P
■ Determine Motor power
○ Electric source
○ Slow speed shaft speed
:P=20kW
→22kW (Code:30)
:200V 50Hz
:10.4r/min
Load condition
○ Type of load, operating hours,
application
:Uniform load: 14 hours/day,
conveyor
■ Determine Service Factor →1.25 C-8:Service Factor
○ Motor Capacity, Service Factor :Capacity 22kW SF≧1.25 C-4~5:Nomenclature
■Determine size/reduction ratio of →Size 1110
C-21:Selection Table
reducer
Reduction Ratio 140
■ Check dimension :Flange, Horizontal C-44~45 *1 :Dimension Table
■ Check nomenclature →DHFM30-1110-140 Nomenclature
Check overhang load
○ Overhang member
:Sprocket (Single row)
■ Overhang factor K3 →K3=1.0 C-24:Allowable Radial load
○ Radial load position
:Center of solid shaft
○ Radial load F r
:100kN
■ Equivalent radial load F r E →F rE =100×1.25×1.0=125kN
■ Allowable radial load →225kN C-24:Allowable Radial load
125
225 =0.56 < 1 →OK
○ Motor specification
■ Check motor specification
○ Completion of selection
■ Model selected
:200V 50Hz without brake, indoor
→OK
→DHFM30-1110-140
:200V 50Hz without brake, indoor
A-6:Available Combination
*1 page number of the relevant Dimension Table
is indicated in the Selection Table.
C―7