Page 1607 - MISUMI Thailand Economy Series

[Technical Data]
Designing of Chain Drive Mechanism 2

Q Specification Selection for Low-Speed Operation with Impact Load Q Selection based on temperature Selection of Stainless Roller Chains for High-Temperature Operation
In operations with a great amount of impact loading due to frequent 1 Follow the specification selection for low-speed operation up to 400˚C.(Do not
startups, stops, reversing, or braking, the inertia(GD )of the prime Selection of Roller Chains Based on Temperature use the specification selection method for operation under normal conditions.)
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mover and the driven machine needs to be taken into account. The following table shows selection criteria for roller chains by size 2Above 400˚C, use the temperature coefficient described below.
based on temperature and the associated reduction in strength.
3Formula
Under such conditions, exercise extreme caution, as the chain can be 1) Problems associated with roller chain operation at high temperature
subjected to loads much greater than in operation under normal conditions. 1Reduced hardness and resultant increase in wear Max. Working × Application Coefficient × Speed Coefficient × Temperature Coefficient ≤ Max. Allowable
Select the chain using the following formula. 2Elongation due to softening Load on Chain (Table 1) (Table 4) (Kt) Tension of Chain
3 Poor lubrication and flexing and wear increase due to oil deterioration and Temperature Coefficient(Kt)
Max. Allowable Load Acting on Chain as Impact Speed carbonization Temperature Coefficient(Kt) Take account of
Load of Chain ≥ Calculated from the Starting x Coefficient x Coefficient 4Wear increase and poor flexing due to scale 400˚C Less 1.0 corrosion resistance,
N Torque of the Prime Mover (Table 5) (Table 4) 2) Problems associated with roller chain operation at low 400˚C ～ 500˚C 1.2 which begins to
temperature 500˚C ～ 600˚C 1.5 decline above 400˚C.
1 Low-temperature brittleness and resultant reduction in
Impact Coefficient impact strength 600˚C ～ 700˚C 1.8
This is a constant, shown in(Table 5), determined by the ratio 2Solidification of lubricating oil Above 700˚C Cannot Be Used
of inertia(GD )of prime mover to driven machine as well as the 3 Poor flexing due to attachment of frost and ice
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magnitude of play in the power transmission mechanism used. Guide Table for Roller Chain Power Transmission Efficiency at High, Low Temperature
When the power transmission mechanism has excessive C-CHE Roller Chain
play, it loads greater impact than those in the table can result. Temperature C-CHE60 or Less C-CHE80 or Above Q Power and Torque
C-CHE12Bor Less C-CHE16B or Above 1kW＝102kgf·m/sec 1PS＝735.5W (Metric Power)
－60˚C or below － － 1kW＝1000W 1HP＝745.7W (Imperial Power)} ≈750W
－60˚C ～ －50˚C － －
－50˚C ～ －40˚C － Cannot Be Used ※Torque: 1kg · m＝100kg · cm
－40˚C ～ －30˚C Cannot Be Used Catalog Value×1/4 1kg · m＝9.8N · m (newton metre)
－30˚C ～ －20˚C Catalog Value×1/4 〃 ×1/3 1N · m＝0.120kg · m
－20˚C ～ －10˚C 〃 ×1/3 〃 ×1/2 1r/min ＝1rpm
－10˚C ～ 60˚C Catalog Value Catalog Value Obtaining Power from Torque and Rotary Speed
60˚C ～ 150˚C Catalog Value Catalog Value
150˚C ～ 200˚C 〃 ×3/4 〃 ×3/4 Torque(N · m)MRotary
speed(r/min)
200˚C ～ 250˚C 〃 ×1/2 〃 ×1/2 Output(kW)＝ 9.55M1000
Above 250˚C Cannot Be Used Cannot Be Used
C-CHE35 (Single Chain)
■Transmission Capacity Table (kW)
Number of Rotary Speed of Small Sprockets min(r/min)
Small Sprocket
Teeth 50 100 300 500 700 900 1200 1500 1800 2100 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 8500 9000 10000
9 0.06 0.11 0.29 0.46 0.63 0.79 1.02 1.25 1.48 1.69 1.98 1.62 1.29 1.05 0.88 0.75 0.66 0.57 0.51 0.46 0.41 0.37 0.34 0.31 0.27
10 0.07 0.12 0.33 0.52 0.71 0.89 1.15 1.40 1.65 1.89 2.22 1.90 1.51 1.23 1.04 0.88 0.77 0.67 0.60 0.53 0.48 0.43 0.40 0.37 0.31
11 0.07 0.13 0.37 0.57 0.78 0.98 1.27 1.55 1.83 2.10 2.46 2.19 1.74 1.42 1.19 1.02 0.88 0.78 0.69 0.61 0.55 0.50 0.46 0.43 0.36
12 0.08 0.15 0.40 0.63 0.86 1.07 1.40 1.71 2.01 2.31 2.70 2.50 1.98 1.62 1.36 1.16 1.01 0.88 0.78 0.70 0.63 0.57 0.52 0.48 0.41
13 0.09 0.16 0.44 0.69 0.94 1.17 1.52 1.86 2.19 2.52 2.95 2.81 2.24 1.83 1.53 1.31 1.13 0.99 0.88 0.79 0.71 0.65 0.59 0.54 0.46
14 0.10 0.18 0.47 0.75 1.01 1.28 1.65 2.01 2.37 2.73 3.19 3.15 2.50 2.04 1.72 1.46 1.27 1.11 0.98 0.88 0.80 0.72 0.66 0.60 0.51
15 0.10 0.19 0.51 0.81 1.10 1.37 1.78 2.17 2.56 2.94 3.44 3.49 2.77 2.27 1.90 1.62 1.40 1.23 1.10 0.98 0.88 0.80 0.73 0.67 0.57
16 0.11 0.20 0.54 0.87 1.17 1.47 1.90 2.33 2.75 3.15 3.69 3.84 3.05 2.50 2.10 1.79 1.55 1.36 1.21 1.08 0.97 0.88 0.81 0.74 0.63
17 0.12 0.22 0.58 0.93 1.25 1.57 2.04 2.48 2.93 3.36 3.94 4.21 3.34 2.74 2.29 1.95 1.69 1.49 1.32 1.18 1.07 0.97 0.88 0.81 0.69
18 0.13 0.23 0.62 0.98 1.33 1.67 2.16 2.64 3.12 3.58 4.19 4.59 3.64 2.98 2.50 2.13 1.85 1.62 1.44 1.29 1.16 1.05 0.96 0.88 0.75
19 0.13 0.25 0.66 1.04 1.41 1.77 2.29 2.80 3.30 3.80 4.44 4.98 3.95 3.23 2.71 2.31 2.01 1.76 1.56 1.40 1.26 1.14 1.04 0.95 0.82
20 0.14 0.26 0.69 1.10 1.49 1.87 2.42 2.96 3.49 4.01 4.69 5.37 4.27 3.49 2.94 2.50 2.16 1.90 1.69 1.51 1.36 1.23 1.13 1.04 0.88
21 0.15 0.28 0.73 1.16 1.57 1.97 2.55 3.13 3.68 4.23 4.95 5.78 4.59 3.75 3.15 2.69 2.33 2.04 1.81 1.62 1.46 1.33 1.21 1.11 0.95
22 0.16 0.28 0.77 1.22 1.66 2.07 2.69 3.28 3.87 4.47 5.20 6.12 4.92 4.03 3.37 2.88 2.50 2.19 1.95 1.74 1.57 1.42 1.30 1.19 1.02
23 0.16 0.30 0.81 1.28 1.74 2.18 2.82 3.45 4.06 4.66 5.45 6.43 5.26 4.30 3.60 3.08 2.67 2.34 2.08 1.86 1.68 1.52 1.39 1.28 1.09
24 0.17 0.31 0.85 1.34 1.82 2.28 2.95 3.61 4.25 4.89 5.71 6.73 5.60 4.59 3.84 3.28 2.84 2.50 2.22 1.98 1.79 1.62 1.48 1.36 1.16
25 0.18 0.33 0.89 1.40 1.90 2.38 3.08 3.77 4.44 5.10 5.97 7.03 5.96 4.88 4.09 3.49 3.02 2.66 2.36 2.10 1.90 1.72 1.57 1.45 1.23
26 0.19 0.34 0.93 1.46 1.98 2.48 3.22 3.93 4.63 5.33 6.23 7.34 6.32 5.17 4.33 3.70 3.21 2.81 2.50 2.24 2.01 1.83 1.67 1.53 1.31
28 0.20 0.37 1.00 1.58 2.15 2.69 3.48 4.26 5.02 5.77 6.75 7.98 7.06 5.78 4.84 4.14 3.59 3.15 2.79 2.50 2.25 2.04 1.87 1.72 1.46
30 0.22 0.40 1.08 1.71 2.31 2.90 3.75 4.59 5.41 6.21 7.27 8.58 7.83 6.41 5.37 4.59 3.98 3.49 3.10 2.77 2.50 2.27 2.07 1.90 1.62
32 0.23 0.43 1.16 1.83 2.48 3.11 4.02 4.92 5.80 6.60 7.76 9.18 8.65 7.06 5.92 5.05 4.38 3.84 3.41 3.05 2.75 2.50 2.28 2.10 0
35 0.25 0.48 1.28 2.01 2.73 3.42 4.44 5.42 6.39 7.34 8.58 10.1 9.85 8.06 6.77 5.78 5.01 4.40 3.90 3.49 3.15 2.86 2.61 2.40 0
40 0.29 0.54 1.47 2.33 3.16 3.95 5.13 6.27 7.38 8.50 9.92 11.7 12.1 9.85 8.28 7.06 6.12 5.37 4.77 4.27 3.84 3.49 0
45 0.34 0.62 1.67 2.65 3.58 4.49 5.82 7.11 8.36 9.62 11.3 13.3 14.4 11.8 9.85 8.43 7.30 6.41 5.68 5.09 0
Lubrication Method A B C
1601 Lubrication Method A:Drop Lubrication, B:Oil Bath Lubrication C:Forced Circulation Lubrication by Pump EIt cannot be used for the selection of stainless steel chain. 1602

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