Page 1684 - MiSUMi 2025

[Technical Data]
Designing of Chain Drive Mechanism 1

Selection of Power Transmission Efficiency

The table of transmission performance in this catalog (P.B-042) is based on the following conditions.
Q Application Coefficient Table
1) The chain drive mechanism is run in an atmosphere
with a temperature of -10˚C~+60˚C and with no The power transmission efficiency table (P.B-042) is based
abrasive particles. on minimum load variation. The transmitted kW shown in the
2) There is no adverse impact on the mechanism, such as table should be corrected as follows depending on the actual
corrosive gas or high humidity. magnitude of load variation.
3) The two shafts between which power is transmitted are Table 1. Application Coefficient Table
parallel with each other and correctly installed.
4) The recommended lubrication method and oil are used. Prime Motor Type Internal Combustion Engine
5) The power transmission is subjected to minimum load Impact Turbine
Motor With Fluidic Without Fluidic
Type
variation. Typical Mechanism Mechanism
Q Power Transmission Coefficient for Multiple Chains Belt conveyor with small load
On multiple roller chains, the load is not shared evenly Smooth variation, Chain conveyor, ×1.0 ×1.2
Centrifugal pump, Centrifugal blower, ×1.0
between each chain row. Therefore, the power transmission Transmission
efficiency of multiple roller chains cannot be obtained by General textile machinery, General
simply multiplying the power transmission efficiency of machinery with small load variation.
a single chain by the number of chain rows. The power
transmission efficiency of multiple roller chains should be Transmission Centrifugal compressor, Marine propeller,
obtained by multiplying the power transmission efficiency with Conveyor with moderate load variation, Automatic
of a single chain by the multiple chain power transmission furnace, Drier, Pulverizer, General machine tools, ×1.3 ×1.2 ×1.4
coefficient. Moderate Compressor, General earth-moving machinery,
Impact General paper manufacturing machinery
Table 2. Power Transmission Coefficient for Multiple Chains
Press, Crusher, Construction and
Number of Roller Chain Rows Multiple Row Coefficient Transmission mining machinery, Vibrator, Oil
2 lines ×1.7 with Large well digger, Rubber mixer, Roll, ×1.5 ×1.4 ×1.7
3 lines ×2.5 Impact Rollgang, General machinery with
4 lines ×3.3 reverse or impact load
5 lines ×3.9
6 lines ×4.6
Q Selection Guide Table (Example ：C-CHE100 / C-CHE20B)
Japanese Standard Type European Standard Type
Table 3. Selection Guide Table

1000 700 500
700 500 300
500 300
300 200 200 CHE240 CHE180
100
Value of Corrected kW 100 70 50 23T 29T 23T 23T 23T 19T 23T 19T 17T 17T CHE160 CHE120 C-CHE80/16B How to Read The Table
CHE200
200
70
100
CHE140
C-CHE100/20B
50
30
70
30
50
20
Ex. Corrected kW=5kW
C-CHE60/12B
20
30
Rotary Speed of Small
10
17T
20
Sprockets=300rpm
C-CHE40/09B
10 10 7 7 5 23T 23T 23T 17T 17T C-CHE50/10B C-CHE35/06B When single chain
7 5 3 13T 23T 13T The intersection point of the vertical axis (corrected
5 3 2 23T 17T 13T C-CHE25 kW) and the horizontal axis (rotary speed 300rpm)
3 2 23T 17T 13T is below C-CHE60 23T (23 toothed) and above
2 0.7 1 23T 23T 17T (17 toothed) A closer look at the location of the
1 0.5 17T intersection point indicates that it most probably
1 0.7 30T 13T corresponds to 19T.
0.7 0.5 0.3 17T
0.5 0.3 0.2
0.3 0.2
0.2 0.1
3 lines 2 lines 1 line 20 30 50 100 200 300 500 1000 20003000 5000 10000
Number of Chain Rows Rotary Speed of Small Sprockets (rpm)
B-039