Andi Iswan_kelompok 1_tmk 3b_laporan Praktik Getaran.docx

LAPORAN PRAKTIKUM ANALISA GETARAN MESIN

Disusun Oleh : Nama Mahasiswa NIM Program Studi Konsentrasi Diploma Tingkat

: : : : : :

Andi Iswan 161430004 Teknik Mesin Kilang Teknik Mesin Kilang IV (Empat) III (Tiga)

KEMENTERIAN ENERGI DAN SUMBER DAYA MINERAL BADAN PENGEMBANGAN SUMBER DAYA MANUSIA ENERGI DAN SUMBER DAYA MINERAL POLITEKNIK ENERGI DAN MINERAL Akamigas PEM Akamigas

Cepu,

November 2018

DAFTAR ISI Halaman DAFTAR ISI ........................................................................................................... i 1. Blower ................................................................................................................ 1 1.1. Buat Sket Mesin ................................................................................................... 1 1.2. Data Mesin........................................................................................................... 1 1.3. Data Bantalan Gelinding ...................................................................................... 2 1.3.1. Perhitungan pada Bearing......................................................................... 3 1.4. Data Gear Box ...................................................................................................... 4 1.4.1. Perhitungan Gear ...................................................................................... 4 1.5. Data Sudu Blower : .............................................................................................. 5 1.5.1. Perhitungan Sudu Blower .......................................................................... 5 1.6. Data Belt .............................................................................................................. 5

2. Piringan 1 ........................................................................................................... 8 2.1. Buat Sket Mesin ................................................................................................... 8 2.2. Data Mesin........................................................................................................... 8 2.3. Data Bantalan ...................................................................................................... 9 2.3.1. Perhitungan pada Bearing......................................................................... 9

3.

Piringan 2 ............................................................................................... 11 3.1. Buat Sket Mesin ................................................................................................. 11 3.2. Data Mesin......................................................................................................... 11 3.3. Data Bantalan .................................................................................................... 12 3.4. Perhitungan pada Bearing ................................................................................. 13 3.4.1. Perhitungan pada Bearing 1 dan 2 .......................................................... 13 3.4.2. Perhitungan pada Bearing 3 .................................................................... 13 3.4.3. Perhitungan pada Bearing 4 .................................................................... 14

4. Piringan 3 ......................................................................................................... 15 4.1. Buat Sket Mesin ................................................................................................. 15 4.2. Data Mesin......................................................................................................... 15 4.3. Data Bantalan .................................................................................................... 16 4.3.1. Perhitungan Bearing ............................................................................... 17

5. Pompa ............................................................................................................... 19 5.1. Buat Sket Mesin ................................................................................................. 19 5.2. Data Mesin......................................................................................................... 19 5.3. Data Bantalan Gelinding .................................................................................... 20 5.3.1. Perhitungan pada Bearing 1 dan 2 .......................................................... 21 5.4. Data Sudu Impeller Pompa : .............................................................................. 21 5.4.1. Perhitungan Sudu Impeller...................................................................... 21

6. Kompresor ....................................................................................................... 22 6.1. Buat Sket Mesin ................................................................................................. 22 6.2. Data Mesin......................................................................................................... 22 6.3. Data Bantalan Gelinding .................................................................................... 23 6.3.1. Perhitungan pada Bearing....................................................................... 24 6.4. Data Gear Box ........................................................Error! Bookmark not defined. 6.4.1. Perhitungan Gear ........................................Error! Bookmark not defined. 6.5. Data Belt ............................................................................................................ 25

i

1.

Blower

1.1.

Buat Sket Mesin

1.2.

Data Mesin Blower

Nama Model / Type Air Flow Pressure Rotation Power Voltage / Phase Motor Class Serial Number Nama Model Type Voltage Power Frequency Isolation IP Serial Number Current Cos 𝜙 Rotation

: : : : : : : :

Centrifugal Blower DE190/Direct 2300 CMH 840 Pa 2800 rpm 1,1 kW 220 V / 1 IP44B 011 211 212 046 Motor Listrik : 3 Phase Motor : IEC 60038 : A-Y3A-80 M2-4 B5 : 220/380 V : 0,75 kW : 50 Hz : F : 55 : 121003007 : 3,6 / 2,1 A : 0.76 : 1390 m

1

1.3.

Data Bantalan Gelinding

Data : Putaran mesin (rpm) = Bantalan No.

1

2

3

4

5

Parameter Kode Bantalan Diameter pitch Diameter bola Jumlah bola Sudut kontak

Simbol

1

2

3

4

5

6

-

6204RZ

6204RZ

6204RZ

6204RZ

6204RZ

6204RZ

Pd

47 mm

47 mm

47 mm

47 mm

47 mm

47 mm

Bd

7.92 mm

7.92 mm

7.92 mm

7.92 mm

7.92 mm

7.92 mm

N

8

8

8

8

8

8

𝜙

0

0

0

0

0

0

2

1.3.1.

Perhitungan pada Bearing Rumus

1

2

3

Hasil

𝑁 𝑅𝑃𝑀 𝐵𝑑 𝐵𝑃𝐹𝑂 = 𝑥 𝑥 [1 − cos 𝜙] 2 60 𝑃𝑑

𝐵𝑃𝐹𝑂 =

𝑁 𝑅𝑃𝑀 𝐵𝑑 𝐵𝑃𝐹𝐼 = 𝑥 𝑥 [1 + cos 𝜙] 2 60 𝑃𝑑

𝐵𝑃𝐹𝐼 =

1 𝑅𝑃𝑀 𝐵𝑑 𝐹𝑇𝐹 = 𝑥 𝑥 [1 − cos 𝜙] 2 60 𝑃𝑑

𝐹𝑇𝐹 =

𝑩𝑷𝑭𝑶 = 𝟕𝟕, 𝟎𝟓 𝑯𝒛

5

𝐵𝑆𝐹1 =

8 1390 7,92 𝑥 𝑥 [1 + cos 0] 2 60 47 𝑩𝑷𝑭𝑰 = 𝟏𝟎𝟖, 𝟐𝟖 𝑯𝒛 1 1390 7,92 𝑥 𝑥 [1 − cos 0] 2 60 47 𝑭𝑻𝑭 = 𝟗, 𝟔𝟑

2 47 1390 7,92 𝐵𝑆𝐹2 = 𝑥 𝑥 {1 − [ cos 0] } 2 𝑥 7,92 60 47

2

4

8 1390 7,92 𝑥 𝑥 [1 − cos 0] 2 60 47

𝑃𝑑 𝑅𝑃𝑀 𝐵𝑑 𝑥 𝑥 {1 − [ cos 𝜙] } 2𝐵𝑑 60 𝑃𝑑

𝑩𝑺𝑭 = 𝟔𝟔, 𝟕𝟗 𝑯𝒛

2 𝑃𝑑 𝑅𝑃𝑀 𝐵𝑑 𝐵𝑆𝐹2 = 𝑥 𝑥 {1 − [ cos 𝜙] } 𝐵𝑑 60 𝑃𝑑

𝐵𝑆𝐹2 =

2 47 1390 7,92 𝑥 𝑥 {1 − [ cos 0] } 7,92 60 47

𝑩𝑺𝑭 = 𝟏𝟑𝟑, 𝟓𝟖 𝑯𝒛

3

1.4.

Data Gear Box Putaran mesin (rpm)

= 1390 rpm.

Jumlah gigi gear

1.4.1.

1.

Gigi Poros Motor

= 7 buah

2.

Jumlah gigi ke 1

= 10 buah

3.

Jumlah gigi ke 2

= 34 buah

4.

Gigi Keluar Poros

= 42 buah

Perhitungan Gear Berikut merupakan perhitungan frekuensi pada gear : Gigi

Rumus

Hasil

𝑓𝑔𝑒𝑎𝑟 = 𝑍𝑔 𝑓𝑝 Poros Motor 𝑓𝑔𝑒𝑎𝑟 = 𝑍𝑔 𝑥

𝑟𝑝𝑚 60

𝑓𝑔𝑒𝑎𝑟 = 𝑍𝑔 𝑓𝑝 Ke-1

𝑟𝑝𝑚 60 = 𝑍𝑔 𝑓𝑝

𝑓𝑔𝑒𝑎𝑟 = 𝑍𝑔 𝑥 Ke-2

𝑓𝑔𝑒𝑎𝑟

𝑓𝑔𝑒𝑎𝑟 = 𝑍𝑔 𝑥 Keluar Poros

𝑟𝑝𝑚 60

𝑓𝑔𝑒𝑎𝑟 = 𝑍𝑔 𝑓𝑝 𝑓𝑔𝑒𝑎𝑟 = 𝑍𝑔 𝑥

𝑟𝑝𝑚 60

4

𝑓𝑔𝑒𝑎𝑟 = 7 𝑥

1390 60

𝑓𝑔𝑒𝑎𝑟 = 𝟏𝟔𝟐, 𝟏𝟕 𝑯𝒛 𝑓𝑔𝑒𝑎𝑟 = 10 𝑥

1390 60

𝑓𝑔𝑒𝑎𝑟 = 𝟐𝟑𝟏, 𝟔𝟕 𝑯𝒛 𝑓𝑔𝑒𝑎𝑟 = 34 𝑥

1390 60

𝑓𝑔𝑒𝑎𝑟 = 𝟕𝟖𝟕, 𝟔𝟕 𝑯𝒛 𝑓𝑔𝑒𝑎𝑟 = 42 𝑥

1390 60

𝑓𝑔𝑒𝑎𝑟 = 𝟗𝟕𝟑 𝑯𝒛

1.5.

1.5.1.

Data Sudu Blower : Putaran mesin (rpm)

= 1390 rpm

Jumlah sudu (Zs)

= 36 buah

Perhitungan Sudu Blower Berikut merupakan perhitungan pada sudu blower : Rumus

Hasil

𝑓𝑠𝑢𝑑𝑢 = 𝑍𝑠 𝑓𝑝 𝑓𝑠𝑢𝑑𝑢 = 𝑍𝑠 𝑥

1.6.

𝑓𝑠𝑢𝑑𝑢 = 36 𝑥

𝑟𝑝𝑚 60

1390 60

𝒇𝒔𝒖𝒅𝒖 = 𝟖𝟑𝟒 𝑯𝒛

Data Belt

Data : Putaran mesin (rpm1, rpm2)

= 1390 rpm

/ 342 rpm

Diameter pulley (Dp1, Dp2)

= 33,25 mm

/ 135,05 mm

Panjang belt (Bl)

= 1140 mm

Atau : Jari-jari (r1, r2)

= 16,63 mm

Jarak antar sumbu (c)

= 410 mm

5

/ 67,53 mm

Persamaan : 𝑙 = √𝑐 2 − (𝑟2 − 𝑟1 )2 , mm 𝑙 = √4102 − (67,53 − 16,63)2 , mm 𝑙 = 406,83 𝑚𝑚 𝜃

𝐷1 = 𝜋 𝑟1 (90) ,mm α = 21O 𝜃1 = 90𝑂 + 𝛼 𝜃1 = 90𝑂 + 21 𝜃1 = 111O 𝜃2 = 90𝑂 − 𝛼 𝜃2 = 90𝑂 − 21 𝜃2 = 69O 𝜃

𝐷1 = 𝜋 𝑟1 ( 1 ) ,mm 90 𝐷1 = 𝜋 16,63 (

111 ) 90

𝐷1 = 64,44 mm

𝐷2 = 2𝜋 𝑟2 (1 −

𝜃2 ) 180

𝐷2 = 2𝜋 𝑥 67,53 𝑥 (1 −

69 ) 180

𝐷2 = 261,65 Belt length (Bl)

= 2l + D1 + D2 = 1139,75 mm = 1140 mm

6

1.7.

Data Pulley

1.7.1.

Putaran mesin 1 (rpm1)

= 1390 rpm.

Putaran mesin 2 (rpm2)

= 342 rpm.

Diameter pulley 1 (Dp1)

= 33,25 mm

Diameter pulley 2 (Dp2)

= 135,05 mm

Panjang Belt (Bl)

= 1140 mm

Perhitungan Pulley Berikut perhitungan pada pulley :

Pulley

Rumus

1

𝜋. 𝐷𝑝1 𝐹𝑝1 = 𝑘. 𝑟𝑝𝑚1 . , 𝑯𝒛 𝐵𝑙

𝐹𝑝1 = 1 .1390 .

𝜋. 𝐷𝑝2 𝐹𝑝2 = 𝑘. 𝑟𝑝𝑚2 . , 𝑯𝒛 𝐵𝑙

𝐹𝑝2 = 1 .342 .

2

Hasil

7

𝜋. 33,25 , 𝑯𝒛 1140

𝑭𝒑𝟏 = 𝟏𝟐𝟕, 𝟑𝟕 𝑯𝒛 𝜋 . 135,05 , 𝑯𝒛 1140

𝑭𝒑𝟐 = 𝟏𝟐𝟕, 𝟐𝟖 𝑯𝒛

2.

Piringan 1

2.1.

Buat Sket Mesin

2.2.

Data Mesin Motor Listrik Nama Tipe Serial Number Voltage Current Power Cos Ø Frequency Isolation IP Rotation

3 Phase Electric Motor A-Y3A 80 M1-2 B3 120313051 220/380 V 3,2/1,9 A 0,75 kW 0,83 50 Hz F 55 2845

8

2.3.

Data Bantalan

Data : Putaran mesin (rpm) = 2845 Parameter

1

2

3

4

5

Simbol

1

2

3

4

-

6204-2Z

6204-2Z

6204-2Z

6204-2Z

Pd

38,5

38,5

38,5

38,5

Bd

6

6

9

9

N

12

12

14

14

𝜙

0

0

0

0

Kode Bantalan Diameter pitch Diameter bola Jumlah bola Sudut kontak

2.3.1.

Bantalan

Perhitungan pada Bearing 1 dan Bearing 2 Rumus

1

Hasil 𝐵𝑃𝐹𝑂 =

𝑁 𝑅𝑃𝑀 𝐵𝑑 𝐵𝑃𝐹𝑂 = 𝑥 𝑥 [1 − cos 𝜙] 2 60 𝑃𝑑

12 2845 6 𝑥 𝑥 [1 − cos 0] 2 60 38,5 𝑩𝑷𝑭𝑶 = 𝟐𝟒𝟎, 𝟏𝟔 𝑯𝒛

9

2

3

𝑁 𝑅𝑃𝑀 𝐵𝑑 𝐵𝑃𝐹𝐼 = 𝑥 𝑥 [1 + cos 𝜙] 2 60 𝑃𝑑

𝐵𝑃𝐹𝐼 =

1 𝑅𝑃𝑀 𝐵𝑑 𝐹𝑇𝐹 = 𝑥 𝑥 [1 − cos 𝜙] 2 60 𝑃𝑑

𝐹𝑇𝐹 =

𝑩𝑷𝑭𝑰 = 𝟑𝟐𝟖, 𝟖𝟒 𝑯𝒛

𝐵𝑆𝐹1 =

𝐵𝑆𝐹2 =

𝑃𝑑 𝑅𝑃𝑀 𝐵𝑑 𝑥 𝑥 {1 − [ cos 𝜙] } 2𝐵𝑑 60 𝑃𝑑

𝐵𝑆𝐹2 =

2.3.2.

2 38,5 2845 6 𝑥 𝑥 {1 − [ cos 0] } 2𝑥6 60 38,5

𝑩𝑺𝑭 = 𝟏𝟒𝟖, 𝟒𝟑 𝑯𝒛 2 38,5 2845 6 𝐵𝑆𝐹2 = 𝑥 𝑥 {1 − [ cos 0] } 6 60 38,5

2

5

𝑃𝑑 𝑅𝑃𝑀 𝐵𝑑 𝑥 𝑥 {1 − [ cos 𝜙] } 𝐵𝑑 60 𝑃𝑑

𝑩𝑺𝑭 = 𝟐𝟗𝟔, 𝟖𝟕 𝑯𝒛

Perhitungan pada Bearing 3 dan Bearing 4 Rumus

1

2

3

4

5

1 2845 6 𝑥 𝑥 [1 − cos 0] 2 60 38,5 𝑭𝑻𝑭 = 𝟐𝟎, 𝟎𝟏 𝑯𝒛

2

4

12 2845 6 𝑥 𝑥 [1 + cos 0] 2 60 38,5

Hasil

𝑁 𝑅𝑃𝑀 𝐵𝑑 𝐵𝑃𝐹𝑂 = 𝑥 𝑥 [1 − cos 𝜙] 2 60 𝑃𝑑

𝐵𝑃𝐹𝑂 =

𝑁 𝑅𝑃𝑀 𝐵𝑑 𝐵𝑃𝐹𝐼 = 𝑥 𝑥 [1 + cos 𝜙] 2 60 𝑃𝑑

𝐵𝑃𝐹𝐼 =

1 𝑅𝑃𝑀 𝐵𝑑 𝐹𝑇𝐹 = 𝑥 𝑥 [1 − cos 𝜙] 2 60 𝑃𝑑

𝐹𝑇𝐹 =

14 2845 9 𝑥 𝑥 [1 − cos 0] 2 60 38,5 𝑩𝑷𝑭𝑶 = 𝟐𝟓𝟒, 𝟑𝟑 𝑯𝒛 14 2845 9 𝑥 𝑥 [1 + cos 0] 2 60 38,5 𝑩𝑷𝑭𝑰 = 𝟒𝟎𝟗, 𝟓𝟏 𝑯𝒛 1 2845 9 𝑥 𝑥 [1 − cos 0] 2 60 38,5 𝑭𝑻𝑭 = 𝟏𝟖, 𝟏𝟕 𝑯𝒛

2 𝑃𝑑 𝑅𝑃𝑀 𝐵𝑑 𝐵𝑆𝐹1 = 𝑥 𝑥 {1 − [ cos 𝜙] } 2𝐵𝑑 60 𝑃𝑑

𝐵𝑆𝐹2 =

2 𝑃𝑑 𝑅𝑃𝑀 𝐵𝑑 𝐵𝑆𝐹2 = 𝑥 𝑥 {1 − [ cos 𝜙] } 𝐵𝑑 60 𝑃𝑑

𝐵𝑆𝐹2 =

2 38,5 2845 9 𝑥 𝑥 {1 − [ cos 0] } 2𝑥9 60 38,5

𝑩𝑺𝑭 = 𝟗𝟓, 𝟖𝟖 𝑯𝒛 2 38,5 2845 9 𝑥 𝑥 {1 − [ cos 0] } 9 60 38,5

𝑩𝑺𝑭 = 𝟏𝟗𝟏, 𝟕𝟓 𝑯𝒛

10

3.

Piringan 2

3.1.

Buat Sket Mesin

3.2.

Data Mesin Motor Listrik Nama Merk Tipe Serial Number Power Current Voltage Rotation Connection Frequency Weight Isolation IP

1 Phase Electric Motor Alliance Motori IEC 34-1 AY71 LI PHS 88863 0,16 kW / 0,25 HP 25 A 220 V 1440 rpm Δ/Y 50 Hz 14 kg F 55

11

3.3.

Data Bantalan

Data : Putaran mesin (rpm) = 1440 rpm Parameter

1

2

3

4

5

Kode Bantalan Diameter pitch Diameter bola Jumlah bola Sudut kontak

Simbol

Bantalan 1

2

3

4

-

UC202

UC202

6202

6201

Pd

31 mm

31 mm

24,25 mm

23,25 mm

Bd

8,4 mm

8,4 mm

5,75 mm

5,25 mm

N

11

11

11

12

𝜙

0

0

0

0

12

3.4.

Perhitungan pada Bearing Berikut ini hasil perhitungan kemungkinan terjadinya getaran pada

bearing : 3.4.1.

Perhitungan pada Bearing 1 dan 2 Rumus

1

2

3

Hasil

𝑁 𝑅𝑃𝑀 𝐵𝑑 𝐵𝑃𝐹𝑂 = 𝑥 𝑥 [1 − cos 𝜙] 2 60 𝑃𝑑

𝐵𝑃𝐹𝑂 =

𝑁 𝑅𝑃𝑀 𝐵𝑑 𝐵𝑃𝐹𝐼 = 𝑥 𝑥 [1 + cos 𝜙] 2 60 𝑃𝑑

𝐵𝑃𝐹𝐼 =

1 𝑅𝑃𝑀 𝐵𝑑 𝐹𝑇𝐹 = 𝑥 𝑥 [1 − cos 𝜙] 2 60 𝑃𝑑

𝐹𝑇𝐹 =

𝑩𝑷𝑭𝑶 = 𝟗𝟔, 𝟐𝟑 𝑯𝒛

𝐵𝑆𝐹1 =

𝐵𝑆𝐹1 =

𝑃𝑑 𝑅𝑃𝑀 𝐵𝑑 𝑥 𝑥 {1 − [ cos 𝜙] } 2𝐵𝑑 60 𝑃𝑑

𝐵𝑆𝐹2 =

3.4.2.

2 31 1440 8,4 𝑥 𝑥 {1 − [ cos 0] } 2 𝑥 8,4 60 31

𝑩𝑺𝑭 = 𝟒𝟏, 𝟎𝟑 𝑯𝒛 2 31 1440 8,4 𝐵𝑆𝐹2 = 𝑥 𝑥 {1 − [ cos 0] } 8,4 60 31

𝑃𝑑 𝑅𝑃𝑀 𝐵𝑑 𝑥 𝑥 {1 − [ cos 𝜙] } 𝐵𝑑 60 𝑃𝑑

𝑩𝑺𝑭 = 𝟖𝟐, 𝟎𝟕 𝑯𝒛

Perhitungan pada Bearing 3 Rumus

1

2

3

1 1440 8,4 𝑥 𝑥 [1 − cos 0] 2 60 31 𝑭𝑻𝑭 = 𝟖, 𝟕𝟓 𝑯𝒛

2

5

11 1440 8,4 𝑥 𝑥 [1 + cos 0] 2 60 31 𝑩𝑷𝑭𝑰 = 𝟏𝟔𝟕, 𝟕𝟕 𝑯𝒛

2

4

11 1440 8,4 𝑥 𝑥 [1 − cos 0] 2 60 31

Hasil

𝑁 𝑅𝑃𝑀 𝐵𝑑 𝐵𝑃𝐹𝑂 = 𝑥 𝑥 [1 − cos 𝜙] 2 60 𝑃𝑑

𝐵𝑃𝐹𝑂 =

𝑁 𝑅𝑃𝑀 𝐵𝑑 𝐵𝑃𝐹𝐼 = 𝑥 𝑥 [1 + cos 𝜙] 2 60 𝑃𝑑

𝐵𝑃𝐹𝐼 =

1 𝑅𝑃𝑀 𝐵𝑑 𝐹𝑇𝐹 = 𝑥 𝑥 [1 − cos 𝜙] 2 60 𝑃𝑑

𝐹𝑇𝐹 =

11 1440 5,75 𝑥 𝑥 [1 − cos 𝜙] 2 60 24,25 𝑩𝑷𝑭𝑶 = 𝟏𝟎𝟎, 𝟕𝟎 𝑯𝒛 11 1440 5,75 𝑥 𝑥 [1 + cos 𝜙] 2 60 24,25 𝑩𝑷𝑭𝑰 = 𝟏𝟔𝟑, 𝟐𝟗 𝑯𝒛 1 1440 5,75 𝑥 𝑥 [1 − cos 𝜙] 2 60 24,25 𝑭𝑻𝑭 = 𝟗, 𝟏𝟓 𝑯𝒛

13

4

2 𝑃𝑑 𝑅𝑃𝑀 𝐵𝑑 𝐵𝑆𝐹1 = 𝑥 𝑥 {1 − [ cos 𝜙] } 2𝐵𝑑 60 𝑃𝑑

𝐵𝑆𝐹1 =

𝑩𝑺𝑭 = 𝟒𝟕, 𝟕𝟔 𝑯𝒛

2

5

𝐵𝑆𝐹2 =

𝑃𝑑 𝑅𝑃𝑀 𝐵𝑑 𝑥 𝑥 {1 − [ cos 𝜙] } 𝐵𝑑 60 𝑃𝑑

𝐵𝑆𝐹2 =

3.4.3.

2 24,25 1440 5,75 𝑥 𝑥 {1 − [ cos 𝜙] } 2 𝑥 5,75 60 24,25

2 24,25 1440 5,75 𝑥 𝑥 {1 − [ cos 𝜙] } 5,75 60 24,25

𝑩𝑺𝑭 = 𝟗𝟓, 𝟓𝟑 𝑯𝒛

Perhitungan pada Bearing 4 Rumus

1

2

3

Hasil

𝑁 𝑅𝑃𝑀 𝐵𝑑 𝐵𝑃𝐹𝑂 = 𝑥 𝑥 [1 − cos 𝜙] 2 60 𝑃𝑑

𝐵𝑃𝐹𝑂 =

𝑁 𝑅𝑃𝑀 𝐵𝑑 𝐵𝑃𝐹𝐼 = 𝑥 𝑥 [1 + cos 𝜙] 2 60 𝑃𝑑

𝐵𝑃𝐹𝐼 =

1 𝑅𝑃𝑀 𝐵𝑑 𝐹𝑇𝐹 = 𝑥 𝑥 [1 − cos 𝜙] 2 60 𝑃𝑑

𝐹𝑇𝐹 =

𝑩𝑷𝑭𝑶 = 𝟏𝟏𝟏, 𝟒𝟖 𝑯𝒛

5

𝐵𝑆𝐹1 =

12 1440 5,25 𝑥 𝑥 [1 + cos 0] 2 60 23,25 𝑩𝑷𝑭𝑰 = 𝟏𝟕𝟔, 𝟓𝟐 𝑯𝒛 1 1440 5,25 𝑥 𝑥 [1 − cos 0] 2 60 23,25 𝑭𝑻𝑭 = 𝟗, 𝟐𝟗 𝑯𝒛

2

4

12 1440 5,25 𝑥 𝑥 [1 − cos 0] 2 60 23,25

𝑃𝑑 𝑅𝑃𝑀 𝐵𝑑 𝑥 𝑥 {1 − [ cos 𝜙] } 2𝐵𝑑 60 𝑃𝑑

2 23,25 1440 5,25 𝐵𝑆𝐹1 = 𝑥 𝑥 {1 − [ cos 0] } 2 𝑥 5,25 60 23,25

𝑩𝑺𝑭 = 𝟓𝟎, 𝟒𝟑 𝑯𝒛

2 𝑃𝑑 𝑅𝑃𝑀 𝐵𝑑 𝐵𝑆𝐹2 = 𝑥 𝑥 {1 − [ cos 𝜙] } 𝐵𝑑 60 𝑃𝑑

𝐵𝑆𝐹2 =

2 23,25 1440 5,25 𝑥 𝑥 {1 − [ cos 0] } 5,25 60 23,25

𝑩𝑺𝑭 = 𝟏𝟎𝟎, 𝟖𝟕 𝑯𝒛

14

4.

Piringan 3

4.1.

Buat Sket Mesin

4.2.

Data Mesin Motor Listrik Nama Merk Tipe Serial Number Power Current Voltage Rotation Connection Frequency Weight Isolation IP

1 Phase Electric Motor Alliance Motori IEC 34-1 AY71 LI PHS 88863 0,1 kW / 0,25 HP 25 A 220 V 1440 rpm Δ/Y 50 Hz 14 kg F 55

15

4.3.

Data Bantalan

Data : Putaran mesin (rpm) = 1440 rpm Parameter

1

2

3

4

5

Kode Bantalan Diameter pitch Diameter bola Jumlah bola Sudut kontak

Simbol

Bantalan 1

2

3

4

-

UC202

UC202

6202

6201

Pd

38,5 mm

38,5 mm

24,25 mm

23,25 mm

Bd

6 mm

6 mm

5,75 mm

5,25 mm

N

12

12

8

8

𝜙

0

0

0

0

16

4.4.

Perhitungan Bearing Berikut perhitungan pada bearing :

4.4.1.

Perhitungan Bearing 1 dan Bearing 2 Rumus

1

2

3

𝐵𝑃𝐹𝑂 =

𝐵𝑃𝐹𝐼 =

Hasil

𝑁 𝑅𝑃𝑀 𝐵𝑑 𝑥 𝑥 [1 − cos 𝜙] 2 60 𝑃𝑑

𝐵𝑃𝐹𝑂 =

𝑁 𝑅𝑃𝑀 𝐵𝑑 𝑥 𝑥 [1 + cos 𝜙] 2 60 𝑃𝑑

𝐵𝑃𝐹𝐼 =

𝑥

2

60

𝑥 [1 −

cos

]

cos

]

𝑩𝑷𝑭𝑶 = 𝑥

2

60

𝑥 [1 +

𝑩𝑷𝑭𝑰 = 𝐹𝑇𝐹 =

1 𝑅𝑃𝑀 𝐵𝑑 𝐹𝑇𝐹 = 𝑥 𝑥 [1 − cos 𝜙] 2 60 𝑃𝑑

1 𝑥 𝑥 [1 − 2 60

cos

]

𝑭𝑻𝑭 = 2 2

4

𝐵𝑆𝐹1 =

𝐵𝑆𝐹2 =

𝑃𝑑 𝑅𝑃𝑀 𝐵𝑑 𝑥 𝑥 {1 − [ cos 𝜙] } 2𝐵𝑑 60 𝑃𝑑

𝑥

2𝑥

60

𝑥 {1 − [

cos

] }

𝑩𝑺𝑭 = 2

2

5

𝐵𝑆𝐹2 =

𝐵𝑆𝐹2 =

𝑃𝑑 𝑅𝑃𝑀 𝐵𝑑 𝑥 𝑥 {1 − [ cos 𝜙] } 𝐵𝑑 60 𝑃𝑑

4.4.2.

𝑥

60

2

3

] }

Perhitungan Bearing 3

𝐵𝑃𝐹𝑂 =

𝐵𝑃𝐹𝐼 =

cos

𝑩𝑺𝑭 =

Rumus 1

𝑥 {1 − [

Hasil

𝑁 𝑅𝑃𝑀 𝐵𝑑 𝑥 𝑥 [1 − cos 𝜙] 2 60 𝑃𝑑

𝐵𝑃𝐹𝑂 =

𝑁 𝑅𝑃𝑀 𝐵𝑑 𝑥 𝑥 [1 + cos 𝜙] 2 60 𝑃𝑑

𝐵𝑃𝐹𝐼 =

2

𝑥

60

𝑥 [1 −

cos

]

cos

]

𝑩𝑷𝑭𝑶 = 2

𝑥

60

𝑥 [1 +

𝑩𝑷𝑭𝑰 = 𝐹𝑇𝐹 =

1 𝑅𝑃𝑀 𝐵𝑑 𝐹𝑇𝐹 = 𝑥 𝑥 [1 − cos 𝜙] 2 60 𝑃𝑑

1 𝑥 𝑥 [1 − 2 60 𝑭𝑻𝑭 =

17

cos

]

2 2

4

𝐵𝑆𝐹1 =

𝐵𝑆𝐹2 =

𝑃𝑑 𝑅𝑃𝑀 𝐵𝑑 𝑥 𝑥 {1 − [ cos 𝜙] } 2𝐵𝑑 60 𝑃𝑑

𝑥

2𝑥

60

𝑥 {1 − [

cos

] }

𝑩𝑺𝑭 = 2

2

5

𝐵𝑆𝐹2 =

𝐵𝑆𝐹2 =

𝑃𝑑 𝑅𝑃𝑀 𝐵𝑑 𝑥 𝑥 {1 − [ cos 𝜙] } 𝐵𝑑 60 𝑃𝑑

𝑥

60

𝑥 {1 − [

cos

] }

𝑩𝑺𝑭 =

4.4.3.

Perhitungan Bearing 4 Rumus

1

2

3

𝐵𝑃𝐹𝑂 =

𝐵𝑃𝐹𝐼 =

Hasil

𝑁 𝑅𝑃𝑀 𝐵𝑑 𝑥 𝑥 [1 − cos 𝜙] 2 60 𝑃𝑑

𝐵𝑃𝐹𝑂 =

𝑁 𝑅𝑃𝑀 𝐵𝑑 𝑥 𝑥 [1 + cos 𝜙] 2 60 𝑃𝑑

𝐵𝑃𝐹𝐼 =

𝑥

2

60

𝑥 [1 −

cos

]

cos

]

𝑩𝑷𝑭𝑶 = 𝑥

2

60

𝑥 [1 +

𝑩𝑷𝑭𝑰 = 𝐹𝑇𝐹 =

1 𝑅𝑃𝑀 𝐵𝑑 𝐹𝑇𝐹 = 𝑥 𝑥 [1 − cos 𝜙] 2 60 𝑃𝑑

1 𝑥 𝑥 [1 − 2 60

cos

]

𝑭𝑻𝑭 = 2 2

4

𝐵𝑆𝐹1 =

𝐵𝑆𝐹2 =

𝑃𝑑 𝑅𝑃𝑀 𝐵𝑑 𝑥 𝑥 {1 − [ cos 𝜙] } 2𝐵𝑑 60 𝑃𝑑

2𝑥

𝑥

60

𝑥 {1 − [

cos

] }

𝑩𝑺𝑭 = 2

2

5

𝐵𝑆𝐹2 =

𝐵𝑆𝐹2 =

𝑃𝑑 𝑅𝑃𝑀 𝐵𝑑 𝑥 𝑥 {1 − [ cos 𝜙] } 𝐵𝑑 60 𝑃𝑑

𝑥

60

𝑥 {1 − [

𝑩𝑺𝑭 =

18

cos

] }

5. Pompa 5.1.

Buat Sket Mesin

5.2.

Data Mesin Pompa Nama Merk Serial Number Code Temperature Max. Flow Rate Head Power

Centrifugal Pump Lowara 02759 107330130 85OC 30 – 80 ltr/min 20,1 – 12,8 m 0,378 kW Motor Listrik

Nama Tipe Frequency Power Voltage Electric Current Protection

Lowara SM63BG/304 50 Hz 0,61 kW 220 – 240 Δ atau 380 – 415 Y 2,51 Δ atau 1,45 Y IPX 5

19

5.3.

Data Bantalan Gelinding

Data : Putaran mesin (rpm) = 2850 rpm Parameter

1

2

3

4

5

Kode Bantalan Diameter pitch Diameter bola Jumlah bola Sudut kontak

Simbol

Bantalan 1

2

-

6202

6202

Pd

25,3 mm

25,3 mm

Bd

5,953 mm

5,953 mm

N

8

8

𝜙

0

0

20

5.3.1.

Perhitungan pada Bearing 1 dan 2 Rumus

1

2

3

Hasil

𝑁 𝑅𝑃𝑀 𝐵𝑑 𝐵𝑃𝐹𝑂 = 𝑥 𝑥 [1 − cos 𝜙] 2 60 𝑃𝑑

𝐵𝑃𝐹𝑂 =

𝑁 𝑅𝑃𝑀 𝐵𝑑 𝐵𝑃𝐹𝐼 = 𝑥 𝑥 [1 + cos 𝜙] 2 60 𝑃𝑑

𝐵𝑃𝐹𝐼 =

1 𝑅𝑃𝑀 𝐵𝑑 𝐹𝑇𝐹 = 𝑥 𝑥 [1 − cos 𝜙] 2 60 𝑃𝑑

𝐹𝑇𝐹 =

𝑩𝑷𝑭𝑶 =

5

𝐵𝑆𝐹1 =

𝑩𝑷𝑭𝑰 =

5.4.1.

1 1440 5,593 𝑥 𝑥 [1 − cos 0] 2 60 25,3

𝑃𝑑 𝑅𝑃𝑀 𝐵𝑑 𝑥 𝑥 {1 − [ cos 𝜙] } 2𝐵𝑑 60 𝑃𝑑

2 25,3 1440 5,953 𝐵𝑆𝐹1 = 𝑥 𝑥 {1 − [ cos 0] } 2 𝑥 5,953 60 25,3

𝑩𝑺𝑭 =

2 𝑃𝑑 𝑅𝑃𝑀 𝐵𝑑 𝐵𝑆𝐹2 = 𝑥 𝑥 {1 − [ cos 𝜙] } 𝐵𝑑 60 𝑃𝑑

5.4.

8 1440 5,953 𝑥 𝑥 [1 + cos 0] 2 60 25,3

𝑭𝑻𝑭 = 2

4

8 1440 5,953 𝑥 𝑥 [1 − cos 0] 2 60 25,3

𝐵𝑆𝐹2 =

2 25,3 1440 5,953 𝑥 𝑥 {1 − [ cos 0] } 5,953 60 25,3

𝑩𝑺𝑭 =

Data Sudu Impeller Pompa : Putaran mesin (rpm)

= 2850 rpm

Jumlah sudu (Zs)

= 7 buah

Perhitungan Sudu Impeller Berikut merupakan perhitungan pada sudu blower : Rumus

Hasil

𝑓𝑠𝑢𝑑𝑢 = 𝑍𝑠 𝑓𝑝 𝑓𝑠𝑢𝑑𝑢 = 𝑍𝑠 𝑥

𝑓𝑠𝑢𝑑𝑢 = 7 𝑥

𝑟𝑝𝑚 60

2850 60

𝒇𝒔𝒖𝒅𝒖 = 𝟑𝟑𝟐, 𝟓 𝑯𝒛

21

6.

Kompresor

6.1.

Buat Sket Mesin

6.2.

Data Mesin Kompresor Nama Merk Model MFG No. Number of Cylinder Stroke Bore Max. Press Nama Merk Type

Kompresor Torak Multistage SWAN Air-Compressor SVU-201 11131085 2 45 mm 50,8 mm 8 kg/cm2 Motor Listrik Single Phase Two Value Capacitor Asynchronous Motor Famoza YL.90L4

22

6.3.

Data Bantalan

Data : Putaran mesin (rpm) = Parameter

1

2

3

4

5

Kode Bantalan Diameter pitch Diameter bola Jumlah bola Sudut kontak

Simbol

Bantalan 1

2

-

6205

6205

Pd

39.15

39.15

Bd

7.85

7.85

N

13

13

𝜙

0

0

23

3

4

6.3.1.

Perhitungan pada Bearing Rumus

1

2

3

𝑁 𝑅𝑃𝑀 𝐵𝑑 𝐵𝑃𝐹𝑂 = 𝑥 𝑥 [1 − cos 𝜙] 2 60 𝑃𝑑

𝐵𝑃𝐹𝑂 =

𝑁 𝑅𝑃𝑀 𝐵𝑑 𝐵𝑃𝐹𝐼 = 𝑥 𝑥 [1 + cos 𝜙] 2 60 𝑃𝑑

𝐵𝑃𝐹𝐼 =

1 𝑅𝑃𝑀 𝐵𝑑 𝐹𝑇𝐹 = 𝑥 𝑥 [1 − cos 𝜙] 2 60 𝑃𝑑

𝐹𝑇𝐹 =

𝐵𝑆𝐹1 =

4

5

Hasil

𝑃𝑑 𝑅𝑃𝑀 𝑥 𝑥 {1 2𝐵𝑑 60 2 𝐵𝑑 − [ cos 𝜙] } 𝑃𝑑

2 𝑃𝑑 𝑅𝑃𝑀 𝐵𝑑 𝐵𝑆𝐹2 = 𝑥 𝑥 {1 − [ cos 𝜙] } 𝐵𝑑 60 𝑃𝑑

13 1400 7,85 𝑥 𝑥 [1 − cos 0] 2 60 39,15 𝑩𝑷𝑭𝑶 = 𝟏𝟐𝟏, 𝟐𝟔 𝑯𝒛 13 1400 7,85 𝑥 𝑥 [1 + cos 0] 2 60 39,15 𝑩𝑷𝑭𝑰 = 𝟏𝟖𝟐, 𝟎𝟖 𝑯𝒛 1 1400 7,85 𝑥 𝑥 [1 − cos 0] 2 60 39,15 𝑭𝑻𝑭 = 𝟗, 𝟑𝟑 𝑯𝒛

2 39,15 1400 7,85 𝐵𝑆𝐹2 = 𝑥 𝑥 {1 − [ cos 0] } 2 𝑥 7,85 60 39,15

𝑩𝑺𝑭 = 𝟓𝟓, 𝟖𝟓 𝑯𝒛 𝐵𝑆𝐹2 =

2 39,15 1400 7,85 𝑥 𝑥 {1 − [ cos 0] } 2 𝑥 7,85 60 39,15

𝑩𝑺𝑭 = 𝟏𝟏𝟏, 𝟔𝟗 𝑯𝒛

24

6.4.

Data Belt

Data : Putaran mesin (rpm1, rpm2)

= 1400 rpm

/ 587 rpm

Diameter pulley (Dp1, Dp2)

= 102,81 mm / 245,13 mm

Panjang belt (Bl)

= 1354,5 mm

Atau : Jari-jari (r1, r2)

= 51,41 mm

Jarak antar sumbu (c)

= 379 mm

Persamaan : 𝑙 = √𝑐 2 − (𝑟2 − 𝑟1 )2 , mm 𝑙 = √3792 − (122,57 − 51,41 )2 , mm 𝑙 = 372,26 𝑚𝑚 𝜃

𝐷1 = 𝜋 𝑟1 (90) ,mm α = 10,5 O 𝜃1 = 90𝑂 + 𝛼

25

/ 122,57 mm

𝜃1 = 90𝑂 + 10,5 𝜃1 = 100,5O 𝜃2 = 90𝑂 − 𝛼 𝜃2 = 90𝑂 − 10,5 𝜃2 = 79,5O 𝜃

𝐷1 = 𝜋 𝑟1 ( 1 ) ,mm 90 100,5 𝐷1 = 𝜋 𝑥 51,41 𝑥 ( ) 90 𝐷1 = 180,35 mm

𝐷2 = 2𝜋 𝑟2 (1 −

𝜃2 ) 180

𝐷2 = 2𝜋 𝑥 122,57 𝑥 (1 −

79,5 ) 180

𝐷2 = 429,99 𝑚𝑚 Belt length (Bl)

= 2l + D1 + D2 = 1354,86 mm

6.5.

Data Pulley Putaran mesin 1 (rpm1)

= 1400 rpm.

Putaran mesin 2 (rpm2)

= 587 rpm.

Diameter pulley 1 (Dp1)

= 102,81 mm

Diameter pulley 2 (Dp2)

= 245,13 mm

Panjang Belt (Bl)

= 1354,5 mm

26

6.5.1.

Perhitungan Pulley Berikut perhitungan pada pulley :

Pulley

Rumus

1

𝜋. 𝐷𝑝1 𝐹𝑝1 = 𝑘. 𝑟𝑝𝑚1 . , 𝑯𝒛 𝐵𝑙

𝐹𝑝1 = 1 .1400 .

𝜋. 𝐷𝑝2 𝐹𝑝2 = 𝑘. 𝑟𝑝𝑚2 . , 𝑯𝒛 𝐵𝑙

𝐹𝑝2 = 1 .587 .

2

Hasil

27

𝜋. 102,81 , 𝑯𝒛 1354,5

𝑭𝒑𝟏 = 𝟑𝟑𝟑, 𝟖𝟒 𝑯𝒛 𝜋 . 245,13 , 𝑯𝒛 1354,5

𝑭𝒑𝟐 = 𝟑𝟑𝟑, 𝟕𝟒 𝑯𝒛