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Pully & Belt Configurator MISUMI Metric Catalog - Misumi America
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Pully & Belt Configurator MISUMI Metric Catalog - Misumi America


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Positioning table, Guide, Spring, Control lever, Machine foot

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(Technical Calculations]
Selection of Timing Belts 1
Procedure 3 : Selecting the Belt Length-See Official Table Below—
Procedure 4 : Determining the Belt Width
Table 5 : Engagement Correction Coefficient (Km)
Procedure 1 : Setting the Necessary Design Conditions
Table 1 : Load Correction Coefficient (Ko)
Typical Machines Using a Belt
Max. Output not Exceeding 300% of Rated Value
Max. Output Exceeding 300% of Rated Value
AC Motor (Standard Motor, Synchronous Motor) DC Motor (Shunt), Engine with 2 or More Cylinders
Special Motor (High Torque), Single-Cylinder Engine DC Motor (Series), Operation with Lye Shaft or Clutch
Operation Hours
Operation Hours
Intermittent Use 1 Day 3~5 Hrs
Regular Use
1 Day 8~10 Hrs
Continuous Use 1 Day 16~24 Hrs
Intermittent Use 1 Day 3~5 Hrs
Regular Use
1 Day 8~10 Hrs
Continuous Use 1 Day 16~24 Hrs
Exhibit Instrument, Projector, Measuring Instrument, Medical Machine
1.0
1.2
1.4
1.2
1.4
1.6
Cleaner, Sewing Machine, Office Machine, Carpentry Lathe, Belt Sawing Machine
1.2
1.4
1.6
1.4
1.6
1.8
Light-Load Belt Conveyor, Packer, Sifter
1.3
1.5
1.7
1.5
1.7
1.9
Liquid Mixer, Driller, Lathe, Screw Machine, Circular Sawing Machine, Planer, Washing Machine, Paper Manufacturing Machine (Excluding Pulp Manufacturing Machine), Printing Machine
1.4
1.6
1.8
1.6
1.8
2.0
Mixer (Cement and Viscous Matter), Belt Conveyor (Ore, Coal and Sand), Grinder, Shaping Machine, Boring Machine, Milling Machine, Compressor (Centrifugal), Vibration Sifter, Textile Machine (Warper and Winder), Rotary Compressor, Compressor (Reciprocal)
1.5
1.7
1.9
1.7
1.9
2.1
Conveyor (Apron, Pan, Bucket and Elevator), Extraction, Washing Machine, Fan, Blower (Centrifugal, Suction and Discharge), Power Generator, Exciter, Hoist, Elevator, Rubber
Processor (Calender, Roll and Extruder), Textile Machine (Weaving Machine, Fine Spinning Machine, Twisting Machine and Welt Winding Machine)
1.6
1.8
2.0
1.8
2.0
2.2
Centrifugal Separator, Conveyor (Flight and Screw), Hammer Mill, Paper Manufacturing Machine (Pulpapitor)
1.7
1.9
2.1
1.9
2.1
2.3
Table 7 : Width Correction Coefficient (Kb)
Number of Teeth Engaged Zm
6 or More
5
4
3
2
Km
1.0
0.8
0.6
0.4
0.2
Type of Belt
Belt Width
Width Correction Coefficient Kb
Nominal
mm
MXL
025
6.4
1.00
037
9.5
1.57
XL
025
6.4
0.15
037
9.5
0.28
050
12.7
0.42
L
050
12.7
0.42
075
19.1
0.71
100
25.4
1.00
H
100
25.4
1.00
150
38.1
1.56
200
50.8
2.14
S2M
40
4
1.00
60
6
1.59
S3M
60
6
1.00
100
10
1.79
Type of Belt
Belt Width
Width Correction Coefficient Kb
Nominal
mm
S5M
100
10
1.00
150
15
1.59
S8M
150
15
0.21
250
25
0.37
400
40
0.63
P2M
■40
■4
1.00
■60
■6
1.59
P3M
100
10
1.78
150
15
2.84
P5M
100
10
1.00
150
15
1.59
P8M
150
15
1.00
250
25
1.79
T5
100
10
1.00
150
15
1.60
T10
150
15
1.60
250
25
2.90
Table 6: Reference Belt Width
Type of Belt
MXL
XL
L
H
S2M
S3M
S5M
S8M
Reference Belt Width
6.4
25.4
25.4
25.4
4
6
10
60
Type of Belt
p2M"
p3M"
p5M"
P8M"
IE.
Th0~
Reference Belt Width
4
6
10
15
10
10
Procedure 5 : Checking the Inter-Axial Distance Adjustment Range
Table 8 : Minimum Inter-Axial Distance Adjustment Range
Min. Inter-Axial Distance Adjustment Range
The minimum inter-axial distance adjustment range can be found from Table 8 with the belt attaching range and stretch range taken into account.
Ci (Min. Adjustment Range, Inside)
Belt Length
Length Tolerance
Inter-Axial Distance Tolerance
MXL
XL
L
H
S2M S3M S5M
S8M
P2M P3M P5M
P8M
T5
T10
Ci
Cs_
Ci
Cs_
CL
Cs.
Ci
Cs.
Ci
Cs
CL
Cs
Ci
Cs
Ci
Cs
Ci
Cs
Ci
Cs
~150
±0.35
±0.18
3
3
3
3
2
3
3
3
3
3
Over 150 to 250 or Less
±0.41
±0.21
3
3
3
3
2
3
3
3
3
3
Over 250 to 380 or Less
±0.46
±0.23
5
5
5
5
2
3
3
3
5
5
Over 380 to 500 or Less
±0.51
±0.26
10
10
10
10
2
3
3
3
10
10
Over 500 to 750 or Less
±0.60
±0.30
10
E
10
i n
10
10
i n
3
i R
5
i n
5
i R
5
E
10
i n
10
Over 750 to 1000 or Less
±0.66
±0.33
3
15
5
15
10
15
15
15
10
3
15
5
10
5
15
5
5
15
10
15
Over 1000 to 1250 or Less
±0.76
±0.38
15
15
15
15
5
10
10
10
15
15
Over 1250 to 1500 or Less
±0.82
±0.41
25
25
25
25
5
10
10
10
25
25
Over 1500 to 1750 or Less
±0.86
±0.43
25
25
25
25
5
10
10
10
25
25
Over 1750 to 2000 or Less
±0.92
±0.46
30
30
30
30
5
10
10
10
30
30
Typical machines using a belt are listed above. For other machines using a belt, a load correction coefficient should be fixed by reference to this table.
Table 2—1 : Idler Compensation Coefficient (Ki)
Table 2—2 : Speed Ratio Correction Coefficient (Kr)
Position of Idler
Coefficient (Ki)
Inside the Loose Side of the Belt
Outside the Loose Side of the Belt
0.1
Inside the Loose Side of the Belt
0.1
Outside the Loose Side of the Belt
0.2
Speed Ratio
Coefficien (Kr)
1.00 or more to less than 1.25
1.25 or more to less than 1.75
0.1
1.75 or more to less than 2.50
0.2
2.50 or more to less than 3.50
0.3
3.50 or more
0.4
Cs (Min. Adjustment Range, Outside) C(Center Distance)
■ P M Type (A selection sequence should be fixed by reference to the table below.) Table 3—1 : Coefficient to Be Used (Ko)
-—____Type of Motor
I
@
I
Type of Passive Unit ■ —___Pe^ Output / Basic Output
200% or Less
Over 200% to 300%
Over 300%
A
Extremely Smooth Transmission
1.0
1.2
1.4
B
Fairly Smooth Transmission
1.3
1.5
1.7
C
Transmission with Some Impact
1.6
1.8
2.0
D
Transmission with Considerable Impact
1.8
2.0
2.2
E
Transmission with Great Impact
2.0
2.2
2.5
Single Phase
—
-
All Types
2 Poles
100kW or More
90~3.7kW
2.2kW or less
Squirrel-Cage
4 Poles
55kW or More
45kW or Less
-
Mover
AC Motor
Induction
6 Poles
37kW or More
30kW or Less
-
8 Poles
15kW or More
11kW or Less
-
4 Poles
—
15kW or Less
11kW or Less
Prime
Wire-Wound
6 Poles
—
11kW or Less
7.5kW or Less
8 Poles
—
5.5kW or Less
3.7kW or Less
Synchronous Motor
—
Average Torque
High torque
DC Motor
Shunt
Compound
Series
Internal Combustion Engine
8 or More Cylinders
5 to 7 Cylinders
2 to 4 Cylinders
Hydraulic Motor
—
-
All Types
Table of Formula
Typical Passive Machines
Measuring Instrument, Camera Device, Radar, Medical Machine, Projector
Item
Formula
Remarks
Belt Speed
V re - dp • nd dp • nd V= 60X1000 = 19100
V dp nd
Belt Speed (m/sec)
Pitch Diameter of Small Pulley (mm) No. of Revolutions of Small Pulley (rpm)
Transmission Power
Pt Te
V
Transmission Power (kW) Effective Tensile Force (N {kgf} )
Belt Speed(m/sec)
Transmission Power
Pt=9,t5x>> 1 Pt=973,>f)
Pt
Tq n
Transmission Power (kW) Torque N-m (kgf-ml No. of Revolutions (rpm)
Effective Tension
dp
Te Tq dp
Effective Tension N-m (kgf-ml Torque N-m (kgf-ml
Pitch Diameter of Small Pulley( m)
Effective Tension
Te= 1000vXPt (N) {Te= ^ } (kgf)
Te
Pt
V
Effective Tensile Force N(kgf Transmission Power( kW) Belt Speed(m/sec)
Torque
Tq=TeX^
Tq Te dp
Torque N-m (kgf-ml
Elective Tensile Force, N-m (kgf-ml
Pitch Diameter of Small Pulley( m)
Tension Ratio
Ts
TR
Tt Ts
Tensile Force Ratio
Tensile Force on Tense Side, N (kgfl Tensile Force on Loose Side, N (kgfl
Initial Tension
To=0.9J500X(2,5-K,)Pd +W • V21
To Ks
Pd nb
V
W
Original Tensile Force of Belt, N (kgfl Contact Angle Correction Coefficient Design Power(kW) No. of Belts Extended Belt Speed (m/sec) Unit Weight of Belt (kg/m)
Span
/ (De-de)2 Ls= J C2- 4
Ls C De
de
Span(mm)
Inter-Axial Distance (mm) Effective Dia. of Large Pulley (mm) Effective Dia. of Small Pulley (mm)
A
Item
Formula
Remarks
Pd : Design Power (kW) Pt : Transmission Power (kW) Ko : Load Correction Coefficient Ki : Idler Correction Coefficient
Kr : Rotary Ratio Correction Coefficient (Speed Increase Correction Coefficient) Kh : Operating Correction Coefficient
Belt Conveyor (for Light Loads), Chain Conveyor (for Light Loads), Driller, Lathe, Screw Machine, Electric Typewriter, Calculator, Duplicator, Printing Press, Cutter, Paper Folder, Printer, Mixer, Calender/Dryer, Lathe, Belt Sawing Machine, Plane, Circular Sawing Machine, Planer, Mixer (Liquid), Bread Baking Machine, Flour Kneading Machine, Sifter (Drum and Cone), Sawing Machine
Pd=Pt-(Ko+Ki+Kr) G POM type Pd=Pt -(Ko+Ki+Kr+Kh)
B
Design Power
Belt Conveyor (Ore, Coal, Sand), Elevator, Boring Mill, Grinder, Milling Machine, Shaper, Metal Sawing Machine, Wind Hoist, Dryer, Washing Machine (Including a Wringer), Excavator, Mixer, Granulating Machine, Pump (Centrifugal, Gear and Rotary), Compressor (High-Speed Center), Stirrer, Mixer (Viscous Matter), Centrifugal Forced Blower, General Rubber Handling Machine, Power Generator, Sifter (Electric)
Pc Ps
Km
: Compensation Transmission Capacity (kW) : Reference Transmission iapaat"ikW) Compensation Coefficient : Width Compensation Coefficient
Compensation Transmission Capacity
Pc=Ps • Km (• Kb)
C
Kb
No. of Teeth of Large Pulley No.of Teeth of Small Pulley
Speed
Ratio
Conveyor (Apron, Bucket, Flight, Screw), Hoist, Cutting Press, Shattering Machine, Pulp Manufacturing Machine, Weaving Machine, Spinning Machine, Twisting Machine, Blender, Centrifugal Separator, Blower (Axial Flow, for Mining and Roots), General Construction Equipment, Hammer Mill, Rollgang_
SR =
D
: Effective Circum. Length of Belt (mm)
: Inter-Axial Distance (mm)
: 3.1416
: Effective Dia. of Large Pulley (mm)
: Effective Dia. of Small Pulley (mm)
■ tt(De+de)+ (De-de)2
Crank Press, Pump (Reciprocal),
Compressor (Reciprocating), Civil Engineering, Mining
Equipment Including Crushing Machine (Ball, Rod, Gravel), Rubber Mixer
Belt Length
E
: Inter-Axial Distance( mm)
Effective Dia. of Large Pulley (mm) : Effective Dia. of Small Pulley (mm)
Le—1.57 (De+de) : Effective Circum. Length of Belt( mm)
Note: When the transmission involves regular/reverse revolutions, large momentum or extreme impact, a basic-use coefficient of 2.5 or more should be used in some cases.
b+y b2 -8 (De-de)2 C= 8
b=2Le-rr(De+de)
Inter-Axial Distance
Table 3—2 : Correction coefficient (Ki) when idler is used.
Table 3—3: Speed Increase Correction Coefficient (Kr)
Table 3-4 : Operation Hours Correction Coefficient (Kh)
Location of Idler in Use
Inside
Outside
Loose Side of the Belt
0
+0.1
Tense Side of the Belt
+0.1
+0.2
Speed Increase Ratio
Correction Coefficient
1 or More, 1.25
0
1.25 or More, 1.75
+0.1
1.75 or More, 2.5
+0.2
2.5 or More, 3.5
+0.3
3.5 or More
+0.4
Operation Hours
Correction Coefficient
Operated 10 or More Hours a Day
+0.1
Operated 20 or More Hours a Day
+0.2
Operated 500 Hours or Less (for Seasonal Operation)
-0.2
: Contact Angle of Small Pulley C)
: Effective Dia. of Large Pulley (mm)
: Effective Dia. of Small Pulley (mm)
: Inter-Axial Distance( mm)
57.3 (De-de) C
Contact Angle
Should be added for each idler.
: No. of Teeth Engaged of Small Pulley : No. of Teeth of Small Pulley
: Contact Angle of Small Pulley C)
No. of
Teeth Engaged
Table 4 : Min. Number of Teeth of Pulley
Procedure 2 : Selecting the Pulley Diameter
Zm=Zd •
360
No. of Revoluta of Small Pulley (min-1)
Type of Belt, Minimum Number of Teeth
MXL
XL
L
H
S2M
S3M
S5M
S8M
T5
T10
900
12
10
12
14
14
14
14
22
12
16
Over 900upto 1200
12
10
12
16
14
14
16
24
14
18
Over 1200upto 1800
14
12
14
18
16
16
20
26
16
20
Over 1800upto 3600
16
12
16
20
18
18
24
28
18
22
Over 3600 up to 4800
18
15
18
22
20
20
26
30
18
22
Over 4800 up to 10000
20
18
-
-
20
20
26
-
-
-
: Belt Width : Design Power (kW) Belt Width
: Reference Transmission lapartiikW)
Pd
B= ——-— XWp Ps • Km
Pd<Ps • Km • Kb
Belt Width
Km : Engagement ft
rrection Coefficient
1590
1589
: Width Correction Coefficient
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