Sabuk-v_muhammad Nurrizal Zabawi_160511609258.docx
This document was uploaded by user and they confirmed that they have the permission to share it. If you are author or own the copyright of this book, please report to us by using this DMCA report form. Report DMCA
Overview
Download & View Sabuk-v_muhammad Nurrizal Zabawi_160511609258.docx as PDF for free.
More details
- Words: 520
- Pages: 2
Nama
: Muhammad Nurrizal Zabawi
NIM
: 160511609258
Prodi / Off
: PTM A2 2016
Perencanaan Sabuk V
1.
P = 3 kW; n1 = 1450 rpm ; n2 = 850; i = 1450/850 = 1,7 ; C = 300 mm
2.
Fc = 1,0
3.
Pd = 1,0 x 3 = 3 kW
4.
T1 = 9,74 x 105 x (3/1450) = 2015,17 kg.mm T2 = 9,74 x 105 x (3/850) = 3437,64 kg.mm
5.
Bahan poros S30C-D, πb = 58 kg/mm2, Sf1 = 6, Sf2 = 2 (dengan alur pasak),
ππ =58/(6x2) = 4,83 kg/mm2, Kt = 2 untuk beban tumbukan, dan Cb = 2 untuk lenturan. 6.
ds1 = {(5,1/4,83) x 2 x 2 x 2015,17}1/3 = 20,42 ο 21 mm (baik) ds2 = {(5,1/4,83) x 2 x 2 x 3237,64}1/3 = 23,9 ο 24 mm (baik)
7.
Penampang sabuk-V: tipe A
8.
dmin = 95 mm
9.
dp =95 x 1,7 = 161,5 mm dkepala = 95 + 2 x 4,5 = 104 mm Dp = 161,5 + 2 x 4,5 = 170,5 mm 5
5
dB = 3 ds1 + 10 = 3 x 21 + 10 = 45 mm 5
5
DB = 3 ds1 + 10 = 3 x 24 + 10 = 50 mm 10. v =
π . ππ . π1 60 .1000
=
π . 161,5 . 1450 60 .1000
= 12,26 m/s
11. 12,26 m/s < 30 m/s, Baik. 12. 300 -
104+170,5 2
= 162,75 mm, Baik.
13. Dipakai tipe standar. πΆ
1
P0 = (dp.n) {(C1 (dp.n)-0,09 β (ππ2 ) β C3 (dp.n)2} -C2.n x{1- πΆ } 5
πΆ2
1
= (120,7 x 1,450) {(C1 (dp.n)-0,09 β (ππ) β C3 (dp.n)2} -C2.n x{1- πΆ } 5
π
1
14. L = 2C + 2 (ππ + π·π) + 4πΆ (Dp β dp)2 π
= 2 x 300 + 2 (120,7 + 129,7) + 4 .
1 300
(129,7 β 120,7)2 = 453,33 mm
15. Nomor nominal sabuk-V: No. 18 L = 457 16. b = 2L β 3,14 (Dp + dp) = 2 x 457 β 3,14 (129,7 + 120,7) = 127,74 mm C=
π+ βπ2 β8(π·πβππ)2
=
8
17. π = 1800 18. π = π
ππ
0
. πΎ0
57 (π·πβππ) πΆ
=π
0
3 . 0,97
127,74 + β(127,74)2 β8(129,7β120,7)2 8
= 1800 -
57 (129,7β120,7) 31,6
= 31,6 mm
= 163,770 ο πΎπ = 0,97
= ο n buah
19. βπΆπ = 20 mm, βπΆπ‘ = 25 mm 20. Tipe A, No. 18, n buah, dk = 80 mm, Dp = 129,7 mm Lubang poros x mm, x mm ππ Jarak sumbu poros 31,6+25 β20 ππ
Jika dipakai sabuk sempit: 7) Penampang sabuk-V: 9) dp = x mm, Dp = x 10) v =
π . ππ . π1 60 .1000
=x
11) x < 35, baik. 12) C -
(ππ+π·π+ 60 .1000
= x m/s πΆ
1
13) Po = (dp.n) {(C1 (dp.n)-0,09 β (ππ2 ) β C3 (dp.n)2} -C2.n x{1- πΆ } = 5
π
1
14) L = 2C + 2 (ππ + π·π) + 4πΆ (Dp β dp)2 = 15)
: Muhammad Nurrizal Zabawi
NIM
: 160511609258
Prodi / Off
: PTM A2 2016
Perencanaan Sabuk V
1.
P = 3 kW; n1 = 1450 rpm ; n2 = 850; i = 1450/850 = 1,7 ; C = 300 mm
2.
Fc = 1,0
3.
Pd = 1,0 x 3 = 3 kW
4.
T1 = 9,74 x 105 x (3/1450) = 2015,17 kg.mm T2 = 9,74 x 105 x (3/850) = 3437,64 kg.mm
5.
Bahan poros S30C-D, πb = 58 kg/mm2, Sf1 = 6, Sf2 = 2 (dengan alur pasak),
ππ =58/(6x2) = 4,83 kg/mm2, Kt = 2 untuk beban tumbukan, dan Cb = 2 untuk lenturan. 6.
ds1 = {(5,1/4,83) x 2 x 2 x 2015,17}1/3 = 20,42 ο 21 mm (baik) ds2 = {(5,1/4,83) x 2 x 2 x 3237,64}1/3 = 23,9 ο 24 mm (baik)
7.
Penampang sabuk-V: tipe A
8.
dmin = 95 mm
9.
dp =95 x 1,7 = 161,5 mm dkepala = 95 + 2 x 4,5 = 104 mm Dp = 161,5 + 2 x 4,5 = 170,5 mm 5
5
dB = 3 ds1 + 10 = 3 x 21 + 10 = 45 mm 5
5
DB = 3 ds1 + 10 = 3 x 24 + 10 = 50 mm 10. v =
π . ππ . π1 60 .1000
=
π . 161,5 . 1450 60 .1000
= 12,26 m/s
11. 12,26 m/s < 30 m/s, Baik. 12. 300 -
104+170,5 2
= 162,75 mm, Baik.
13. Dipakai tipe standar. πΆ
1
P0 = (dp.n) {(C1 (dp.n)-0,09 β (ππ2 ) β C3 (dp.n)2} -C2.n x{1- πΆ } 5
πΆ2
1
= (120,7 x 1,450) {(C1 (dp.n)-0,09 β (ππ) β C3 (dp.n)2} -C2.n x{1- πΆ } 5
π
1
14. L = 2C + 2 (ππ + π·π) + 4πΆ (Dp β dp)2 π
= 2 x 300 + 2 (120,7 + 129,7) + 4 .
1 300
(129,7 β 120,7)2 = 453,33 mm
15. Nomor nominal sabuk-V: No. 18 L = 457 16. b = 2L β 3,14 (Dp + dp) = 2 x 457 β 3,14 (129,7 + 120,7) = 127,74 mm C=
π+ βπ2 β8(π·πβππ)2
=
8
17. π = 1800 18. π = π
ππ
0
. πΎ0
57 (π·πβππ) πΆ
=π
0
3 . 0,97
127,74 + β(127,74)2 β8(129,7β120,7)2 8
= 1800 -
57 (129,7β120,7) 31,6
= 31,6 mm
= 163,770 ο πΎπ = 0,97
= ο n buah
19. βπΆπ = 20 mm, βπΆπ‘ = 25 mm 20. Tipe A, No. 18, n buah, dk = 80 mm, Dp = 129,7 mm Lubang poros x mm, x mm ππ Jarak sumbu poros 31,6+25 β20 ππ
Jika dipakai sabuk sempit: 7) Penampang sabuk-V: 9) dp = x mm, Dp = x 10) v =
π . ππ . π1 60 .1000
=x
11) x < 35, baik. 12) C -
(ππ+π·π+ 60 .1000
= x m/s πΆ
1
13) Po = (dp.n) {(C1 (dp.n)-0,09 β (ππ2 ) β C3 (dp.n)2} -C2.n x{1- πΆ } = 5
π
1
14) L = 2C + 2 (ππ + π·π) + 4πΆ (Dp β dp)2 = 15)
Related Documents
More Documents from "Slamet Barokah"
Turbin Angin&air.docx
June 2020 7
2 Kata Pengantar.docx
June 2020 3
Bab I.docx
June 2020 7
Gotthar Tunnel Slab Track.docx
November 2019 42