A.
Kijang 5k
Diketahui: gigi 1 Z1: 32 gigi4 Z4: 16 counter gigi 2 Z7: 21 gigi hub 1 Z10 :34
Gigi2 Z2: 28 counter gigi 4 Z5:
33 counter gigi 1 Z8: 15 counter gigi R Z9: 14
Gigi3 Z3: 22 counter gigi 3 Z6:
27
gigi mundur ZR:23
Putaran input : 2000rpm
Moment input: 200kg/m
Ditanya:
A. Gear ratio
B. Putaran Output
C. Moment Output
Jawab:
A. Gear ratio
GR 1 :Z5/Z4×Z1/X8=33/16×32/15=1056/240=4,4
GR 2 :Z5/Z4×Z2/Z7=33/16×28/21=942/336=2,8
GR 3 :Z5/Z4×Z3/Z6=33/16×22/27=726/432=1,68
GR 4 :Z5/Z4×Z4/Z5=33/16×16/33=528/528=1
GR R:Z5/Z4×ZR/Z9×Z10/ZR=33/16× 923/14×34/23=1122/224=5,01
B.
Putaran output
PO gigi 1 :Ninput/GR1=2000/4,4=545,55 rpm
PO gigi 2: Ninput/GR2=2000/2,8=714,28 rpm
PO gigi 3:Ninput/GR3=2000/1,68=1190,47 rpm
PO gigi 4:Ninput/GR4=2000/1=2000 rpm
PO gigi R:Ninput/GRR=2000/5,01=399,2 rpm
C.
Moment output
MO gigi 1:M input×GR= 200×4,4 =880 kg/m
MO gigi 2: M input×GR= 200×2,8 =560 kg/m
MO gigi 3: M input×GR=200 ×1,68 =336 kg/m
MO gigi 4: M input×GR=200 ×1 =200 kg/m
MO gigi R: M input×GR=200 ×5,01 =1002 kg/m
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