Roller chain drives
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1.0
The manner of loading, working parameters
1.1
Calculation units
SI Units (N, mm, kW…)
Imperial (lbf, in, HP….)
1.2
Transferred power
P
[kW]
1.3
Speed of the sprocket wheel (desired)
n
[/min]
1.4
Speed of the sprocket wheel (actual)
n
[/min]
1.5
The desired / actual transmission ratio
i
1.6
Torque
Mk
[Nm]
1.7
The type of driving machine (loading)
A…Uniform loading or light shocks
B…Moderate shocks
C…Heavy shocks
1.8
The type of driven machine (loading)
A…Smooth
B…Light duty
C…Medium duty
D…Heavy duty
1.9
Type of lubrication
A…Requested failure free
B…Sufficient without contamination
C…Sufficient with contamination
D…Without lubrication
1.10
Number of links of the chain
Even only
Even and odd
1.11
Number of teeth of the sprocket wheel
Odd only
Even and odd
Odd only
Even and odd
1.12
Chain type
BS Chain ( Standard )
ANSI Chain ( standard )
BS Chain ( Dacrotised, Nickel, Zinc )
BS Double Pitch
ANSI Heavy Duty Chain
ANSI Super Heavy Duty Chain
ANSI Chain ( Dacrotised, Nickel, Zinc )
ANSI Double Pitch
1.13
Axis distance for Automatic design
Optimal
Entered
[mm]
1.14
Range of smaller sprocket teeth
1.15
List only solutions within recomended design limits
1.16
Automatic design - press the button
1.17
Sort results according to parameter
Axis distance
Table power
Chain speed
Dynamic breaking safety
Joint pressure
Joint safety
Roller chain utilization coefficient
Transmission weight
1.18
Table of solutions
(Will be populated after automatic design)
Final SKF Product Selection:
Chain:
Sprocket 1:
Sprocket 2:
Center distance:
Price Index:
2.0
Manual Fine tuning of the design
2.1
Chain selection - Standard chain No. (Pitch)
04B-1 (6)
05B-1 (8)
*06B-1 (9.525)
08B-1 (12.7)
10B-1 (15.875)
12B-1 (19.05)
16B-1 (25.4)
20B-1 (31.75)
24B-1 (38.1)
28B-1 (44.45)
32B-1 (50.8)
40B-1 (63.5)
48B-1 (76.2)
56B-1 (88.9)
64B-1 (101.6)
72B-1 (114.3)
05B-2 (8)
*06B-2 (9.525)
08B-2 (12.7)
10B-2 (15.875)
12B-2 (19.05)
16B-2 (25.4)
20B-2 (31.75)
24B-2 (38.1)
28B-2 (44.45)
32B-2 (50.8)
40B-2 (63.5)
48B-2 (76.2)
56B-2 (88.9)
64B-2 (101.6)
72B-2 (114.3)
05B-3 (8)
*06B-3 (9.525)
08B-3 (12.7)
10B-3 (15.875)
12B-3 (19.05)
16B-3 (25.4)
20B-3 (31.75)
24B-3 (38.1)
28B-3 (44.45)
32B-3 (50.8)
40B-3 (63.5)
48B-3 (76.2)
56B-3 (88.9)
64B-3 (101.6)
72B-3 (114.3)
2.2
Chain pitch / chains strands number
t
2.3
Sprocket - number of teeth / recomended
z
2.4
Pitch diameter
Dp
[mm]
2.5
Desired axis distance / recomended
C
[mm]
2.6
Actual axis distance / min.-max.
C
[mm]
2.7
Number of chain links
X
2.8
Length of the chain
L
[mm]
2.9
Speed of the chain / max
v
[m/s]
2.10
Design power / table power
Pp
[kW]
2.11
Tensile force / Centrifugal force
Fu/Fc
[N]
2.12
Breaking force (table) / Force on the chain
FB/Fr
[N]
2.13
Static coefficient of safety against breakage
SB
2.14
Dynamic coefficient of safety against breakage
SD
2.15
The calculated / permitted pressure in the chain joint
p
[MPa]
2.16
Level of safety of the chain joint
SP
2.17
Total weight of the transmission / chain
m
[kg]
3.0
Results, coeficients
3.1
Coefficients for power corrections
3.2
Coefficient of the number of teeth
K1
3.3
Coefficient of the transmission ratio
K2
3.4
Coefficient of shock (Service factor)
K3
3.5
Coefficient of distances of axes
K4
3.6
Coefficient of lubrication
K5
3.7
Coefficient of temperature
K6
3.8
Coefficient of service life
K7
3.9
Calculation and setting of coefficients according to
ASME B29.1M
ISO 10823
3.10
Recommended type of lubrication
3.11
Type of lubrication (permissible)
3.12
Maximum slackness of the chain
y
[mm]
3.13
Minimum / Maximum speed of sprocket 2
[m/s]
3.14
Coefficient of speed variation
ξ
[%]
4.0
Dimensions
d1
[mm]
d3
[mm]
b1
[mm]
b2
[mm]
t
[mm]
g
[mm]
l
[mm]
e
[mm]
s1
[mm]
s2
[mm]
Da
[mm]
Dp
[mm]
Df
[mm]
R1
[mm]
R2
[mm]
α
[°]
bf
[mm]
ba
[mm]
rx
[mm]
f
[mm]
Dg
[mm]
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