Servo Planetary Gearbox Gearbox selection - JAKOB Antriebstechnik

Servo Planetary Gearbox
Gearbox selection
Duty cycle ED:
ED[%]= (t b +tk +tv )
(tb +tk +tv +tp )
ED[min]= ( t2b +t2k +t2V )
ED < 60% and ED < 20 min
Selection for cycle operation S5
ED > 60% or ED > 20 min
Selection for continuous operation S1
Continous operation S1
T 2m = 3
n 2b · t b · T³ 2b + ... + n 2n · t n · T³ 2n
n2b · tb +... + n2n · tn
Determine
cycle operation S5
(look Page 16)
n 2m = n 2b · t b + ... + n 2n · t n
tb +... + tn
n 2N =
n 1N
i
Calculation of the mean
output torque T2m [Nm]
Calculation of the mean output
speed n2m [min -1 ]
T 2N [Nm]
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i=3 35 60 15 240 600
i=4;16;40 40 70 170 300 600
i=5;7;20 50 90 200 400 600
28;50;70
i=1;10 25 55 130 240 600
Change selection parameter
no
no
T2m < T2N
yes
n2m < n2N
yes
n 1N [Nm]
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i=3 2700 2400 2300 2000 1100
i=4; 5 3200 2800 2500 2100 1400
i=7; 1 3200 2800 2500 2100 2000
i=16;2;28 4000 3500 3000 2600 2500
i=4;50;70 4400 3700 3400 2800 2700
i=100 5000 4400 4100 3900 3200
Lifetime Calculation of the output bearing
Gearbox selection finished
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Servo Planetary Gearbox
Gearbox selection
Cycle Operation S5
Preselection of gearbox size, the
gear ratio, and also select the
motor size and the motor speed by
seperate calculation
Determine the number of cycles Z H
Change selection parameter
Determine the shock factor f s
no
no
no
Determine the maximum
acceletation torque on the
output T [Nm]
2b
Determine the emergency
stop torque T 2not
n
T
2bmax
maxmot
T
2not
< T
< n
< T
2B
yes
yes
1MAX
2NOT
yes
Calculation of the service life of
the output bearing
End of gearbox selection
shock factor fs:
Zh < 1000 => fs = 1,0
1000 > Zh < 1500 => fs = 1,1
1500 > Zh < 2000 => fs = 1,3
2000 > Zh < 3000 => fs = 1,6
3600 [s/h]
Zh =
Cycle time [s]
T
[Nm] 2B
efficiency η:
1-stage: > 97 %
2-stage: > 94 %
T2bmax = Tmaxmotor · i · fs · η
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i= 3 50 110 250 500 1200
i= 4;16;40 60 130 300 550 1300
i=5;7;20;28;50;70 70 150 340 600 1300
i= 10;100 40 100 220 450 1200
n [min -1 ]
1MAX
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1-stage 6000 6000 4500 4000 3500
2-stage 6000 6000 4500 4000 4000
JPG-W T
[Nm]
2NOT
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i=3 110 160 590 850 1.850
i=4 150 210 750 1.150 2.450
i=5 170 260 750 1.300 2.800
i=7;20;28;50;70 170 300 750 1.300 2.800
i=16;40 150 300 750 1.150 2.450
i=10;100 170 300 750 1.300 2.800
JPG-F .. / K .. T
[Nm]
2Not
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i=3 110 160 500 900 1.650
i=4 150 210 500 900 1.650
i=5 170 260 500 900 1.650
i=7;20;28;50;70 170 300 500 900 1.650
i=16;40 150 300 500 900 1.650
i=10;100 100 250 500 900 1.650
www.jakobantriebstechnik.de Fon (+49) 60 22 - 22 08 - 0 Fax (+49) 60 22 - 22 08 - 22