| Usage: | Transmission Chain, Drag Chain, Conveyor Chain, Dedicated Special Chain |
|---|---|
| Material: | Iron |
| Surface Treatment: | Oil Blooming |
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Class Bushed Steel Chain is a type of drive chain that transmits power from a small driving sprocket to a larger driven one on parallel shafts. These chains are used to transmit power for a variety of equipment including agitators, compressors, crushers, dredges, elevators, fans, hoists, rotary kilns, machine tools, rotary mills, mixers, oil wells, and pumps.
These chains are manufactured with pins and bushings between pairs of metal plates called sidebars that are bent into links, Figure 2. The sidebars are held in place by cotter pins. The chain can be either welded or riveted together.
Engineering class drive chain is typically ANSI (American National Standards Institute) rated and meets industry standards, which allow for the interchangeability of sprockets and other components. These chains are built to withstand the most rugged operating conditions, such as mud, sand, metal fines, and other abrasives.
There are two basic types of engineering class chains: the roller chain and the bushed chain. The former is characterized by hardened (42 Rockwell C) steel rollers fitted over the bushings to reduce friction and wear. The roller chain also has a steel or plastic lubricating ring inserted into each link, usually by vacuum during riveting.
The latter, a "bushings" chain, is similar to the roller chain except that the inner plates are held together by bushings or sleeves while the outer ones are held in place by cotter pins. This construction, which is also known as a knuckle chain, provides a higher load capacity than a roller conveyor chain and can be used in applications such as bucket elevators that would otherwise cause the roller to seize.
Pitch control is required for these chains because of the mismatch between the sprocket teeth and the chain. This is achieved by controlling the placement of holes in the sidebars made using punch presses. This ensures a smooth transmission of power to the drive and driven sprockets.
These chains are available in a wide range of sizes and configurations and are ideal for a wide variety of demanding industrial applications. They are engineered to withstand tough working environments and are manufactured with premium steels and precisely controlled heat treatments for optimum performance in these applications.
Depending on the application, customers should consider a number of factors when choosing the right chain. For example, weight, frequency of use, and environmental conditions all play a part in how long a chain will last.
To select a chain for a particular application, begin by considering the power source, the type of equipment to be driven, horsepower to be transmitted, speeds (rpm) of fast and slow-speed shafts, the center-to-center distance between shafts, and any unusual conditions such as severe abrasion or corrosion. Taking all of this information into consideration, consult the manufacturer for guidance.
Next, determine the service factor, ranging from 1.0 to 1.7, that will transmit the design horsepower to the driven sprockets. This value will depend on the size of the sprockets and the types of materials to be conveyed and may be obtained from a manufacturer's catalog.
Stainless steel bushing steel chain is very suitable for operation in extremely rough or worn conditions. This type of chain is often referred to as "steel bushing" or "no roller". Each part is machined and heat treated to achieve the effect of strength and wear and ensure the best fit of pin and bushing. The sidebar is used to accommodate the ends of the pins, which are locked in the position of the sidebar and will not rotate during operation.
The materials used have been carefully selected. The pin is an alloy steel containing nickel, chromium, and molybdenum. Through its higher fatigue resistance, higher wear resistance, and improved tensile strength at high and low temperatures, the chain life is improved. These factors provide high-quality products for conveyor belts and elevator services, applicable to gravel, abrasive, and fine particle materials, such as ash, crushed coal, soda ash, cement, crushed stone, and gravel.
•Pitch Range: 2.609 - 7.000"
•Average Ultimate Strength: 25,000 - 200,000 lbs
•Max. Rec. Working Loads: 2,750 - 27,500 lbs
Provide various accessories. All cotton chains use T-shaped cotton. Unless riveting is required, a grooved structure will be provided. The stainless steel bushing steel chain is manufactured according to the manufacturer's standards and can be interchanged with the standard bushing steel chain of other manufacturers. Sprockets can be made of cast steel and manufactured when required.
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Chain NO.
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Pitch
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A
|
B
|
C
|
|
SS131-K1
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3.075
|
4.12
|
1.54
|
1.00
|
|
SS131-K2
|
3.075
|
4.12
|
0.79
|
1.00
|
|
SS102B-K2
|
4.000
|
5.31
|
1.12
|
1.00
|
|
SS111-K2
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4.760
|
6.25
|
1.23
|
1.50
|
|
SS110-K2
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6.000
|
5.31
|
2.12
|
1.00
|
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SS856-K2
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6.000
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6.31
|
1.88
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1.88
|
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SS150-K2
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6.050
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7.50
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1.65
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1.88
|
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Chain No.
|
D
|
E |
F |
G |
H |
T |
AVERAGE WEIGHT PER FT. LBS.
|
|
|
BOLT DIAMETER
|
HOLE DIAMETER
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|||||||
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SS131-K1
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0.50
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0.56
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2.50
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-
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5.56
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5.38
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0.38
|
10.2
|
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SS131-K2
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0.50
|
0.56
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2.50
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1.50
|
5.56
|
5.38
|
0.38
|
10.2
|
|
SS102B-K2
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0.38
|
0.41
|
2.62
|
1.75
|
6.41
|
6.72
|
0.38
|
9.0
|
|
SS111-K2
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0.50
|
0.56
|
3.62
|
2.31
|
7.50
|
7.81
|
0.38
|
15.2
|
|
SS110-K2
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0.38
|
0.41
|
2.88
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1.75
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6.38
|
6.72
|
0.38
|
8.6
|
|
SS856-K2
|
0.50
|
0.56
|
4.25
|
2.25
|
9.00
|
9.06
|
0.50
|
23.0
|
|
SS150-K2
|
0.50
|
0.56
|
4.25
|
2.75
|
9.31
|
9.38
|
0.50
|
23.0
|
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