China Standard 12b-2, 10b-2, 16b-2, 32b-2 Duplex Standard Roller Chain

Product Description

Product Description

Roller chain on various machine equipment, welded steel mill chain, welded steel drag chain, cast fixed pin chain, pintle chain, drop forged link chain and Engineer Class Driving Chain, with alloy steel and stainless steel selection according to your requirement

1, Chain types: agricultural chain, drop forged rivetless chain, Roller Chain, conveyor chain, sugar industry chain, palm oil industry chain, asphalt industry chain,elevator conveyor industry chain, double flex chain, pintle chain, weld steel drag chains, malleable chain etc;
2, Main materials: It is 40Mn. 40Cr, 45Mn alloy steel or SUS304 for plates, 10#, 20#, 20CrMnMo, 30CrMnTi for pins and rollers;
3, Heat treatment: Carburizing, Austemper Stressing, nitro-caburizing harden etc;
4, Surface: Shot peening, black, blue or original;
5, Package way: Plastic bag+ carton box+ plywood case

Detailed Photos

 

Product Parameters

ISO Chain No. Pitch Roller diameter Width between inner plate Pin diameter Chain path depth Depth of inner plates Transverses pitch Pin length Ultimate tensile strength Weight per meter
p d1(max) b1(min) d2(max) h1(min) h2(max) Pt L(max) Q(min) q≈
mm in mm mm mm mm mm mm mm kN kg/m
06B-1
06B-2
06B-3
9.525 3/8″ 6.35 5.72 3.28 8.52 8.26 10.24 13.5
23.8
34.0
8.9
16.9
24.9
0.4
0.8
1.2
08B-1
08B-2
08B-3
12.7 1/2″ 8.51 7.75 4.45 12.07 11.81 13.92 17.0
31.0
44.9
17.8
31.1
44.5
0.7
1.4
2.1
10B-1
10B-2
10B-3
15.875 5/8″ 10.16 9.65 5.08 14.99 14.73 16.59 19.6
36.2
52.8
22.2
44.5
66.7
1.0
1.9
2.8
12B-1
12B-2
12B-3
19.05 3/4″ 12.07 11.68 5.72 16.39 16.13 19.46 22.7
42.2
61.7
28.9
57.8
86.7
1.2
2.4
3.5
16B-1
16B-2
16B-3
25.4 1″ 15.88 17.02 8.28 21.34 21.08 31.88 36.1
68.0
99.9
60
106
160
2.7
5.4
8.2
20B-1
20B-2
20B-3
31.75 1 1/4″ 19.05 19.56 10.19 26.68 26.42 36.45 43.2
79.7
116.1
95
170
250
3.7
7.2
10.9
24A-1
24A-2
24A-3
38.1 1 1/2″ 25.4 25.4 14.63 33.73 33.4 48.36 53.4
101.8
150.2
160
280
425
7.1
13.4
20.1
28B-1
28B-2
28B-3
44.45 1 3/4″ 27.94 30.99 15.9 37.46 37.08 59.56 65.1
124.7
184.3
200
360
530
8.5
16.6
24.9
32B-1
32B-2
32B-3
50.8 2″ 29.21 30.99 17.81 42.72 42.29 58.55 67.4
126.0
184.5
250
450
670
10.3
21.0
31.6
40B-1
40B-2
40B-3
63.5 2 1/2″ 39.37 38.1 22.89 53.49 52.96 72.29 82.6
154.9
227.2
355
630
950
16.4
32.0
48.1
48B-1
48B-2
48B-3
76.2 3″ 48.26 45.72 29.24 64.52 63.88 91.21 99.1
190.4
281.6
560
1000
1500
25.0
50.0
75.0
56B-1
56B-2
88.9 3 1/2″ 53.98 53.34 34.32 78.64 77.85 106.6 114.6
221.2
850
1600
35.0
70.0
64B-1
64B-2
64B-3
101.6   63.5 60.96 39.4 91.08 90.17 119.89 130.9
250.8
370.7
1120.0
2000.0
3000.0
46
91
136.0
72B-1
72B-2
72B-3
114.3   72.39 68.58 44.8 104.67 103.63 136.27 147.4
283.7
420.0
1400.0
2500.0
3750.0
60.8
120.4
180.0

Packaging & Shipping

 

1. Inner packing: Poly bag, air bubble bag, carton according to buyer’s request.
2. Outer packing: OSB case or pallet.
3. Please remember to leave the correct contact ADDRESS information for delivery.

Our Advantages

Company Profile

We are a leading manufacturer of mechanical transmission spare parts, as well as several years 1 of reliable and trustworthy vendors. Our main items are roller chain, conveyor chain, agricultural chain, sugar industry chain, palm oil industry chain, asphalt industry chain,elevator conveyor industry chain etc.
At present, For South American, European, and Asian market, our superior products are fabricated according to your requirement and our quality meets ISO, ASME, DIN standard.

Please watch our process steps as below
(1) punch its outer plate and inner plates

(2)Shot peening workshop

(3) heat treatment workshop

(4) assembly preparation

(5) pins process

(6) Tensile Properties Test before shipment

 

After Sales Service

Our products can be repaired or replaced the new parts with free cost in 3 months.

FAQ

Question:
1.Q:How about mould cost?
A: primarily depend on : 1.Drawing, 2.material, 3.weight and quantity.
We need to know the structure of each parts to analyze the mold solution by:

1) –Complete design drawing, product model or actual sample —– the best way
–PDF drawing with complete dimension for each parts
–Clearly photos for each parts with more angle-views to show every features.

2)The materials, technical parameters and surface treatments.
technical parameters: tell us about its model, pitch, roller diameter, width between inner plates, attachment type, outside drawing etc.

3)The quantity of order.

2.Q:How to control the product processing?
A: The processing report or pictures will be sent to the customer every week/ each month for review.

3.Q:Who will own the mould?
A:Customer, also the mould can be kept in our factory for future order.

4.Q:How long do you make your quotation?
A:After receiving detail informations we will quote in 1 to 3 days.

5.Q: MOQ? —
small chain type: if its pitch is less than 38.10mm and its thickness is less than 5mm, MOQ is 1500 CZPT on these roller chains or conveyor chains;
middle chain type: MOQ is 1000 CZPT on these roller chains or conveyor chains;
big chain type: if its pitch is more than 76.20mm and its thickness is more than 10mm, MOQ is 200 CZPT on these roller chains or conveyor chains;

I hope we can do business together, and look CZPT to hearing from you soon
 

Standard or Nonstandard: Standard
Application: Textile Machinery, Garment Machinery, Food Machinery, Mining Equipment, Agricultural Machinery
Surface Treatment: Carburizing and Quenching
Structure: Roller Chain
Material: Alloy
Type: Short Pitch Chain
Samples:
US$ 7.48/Meter
1 Meter(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

duplex chain

Can duplex chains be used in high-torque or heavy machinery applications?

Duplex chains are well-suited for high-torque or heavy machinery applications due to their robust design and capability to handle demanding loads. Here are some key points to consider:

  • Strength and Durability: Duplex chains are designed to withstand high-torque loads and heavy-duty applications. They are constructed with thicker plates and stronger pins compared to standard chains, providing enhanced strength and durability.
  • Load Capacity: Duplex chains have a higher load-carrying capacity than their single-strand counterparts, making them suitable for heavy machinery applications. The increased number of strands distributes the load more effectively, reducing stress on individual components.
  • Sprocket Selection: Proper sprocket selection is crucial in high-torque applications to ensure smooth engagement and power transmission. Sprockets should be designed to withstand the high forces and torque generated by the machinery.
  • Lubrication and Maintenance: Adequate lubrication is essential in high-torque applications to reduce friction and wear. Regular maintenance, including proper tensioning and inspection of the chain, is necessary to ensure optimal performance and longevity.
  • Proper Design: The overall design of the machinery should consider the high-torque requirements, including factors such as acceleration, deceleration, and shock loads. Duplex chains should be selected based on the specific application requirements, taking into account the anticipated torque, speed, and operating conditions.

It’s important to consult with chain manufacturers or industry experts when selecting duplex chains for high-torque or heavy machinery applications. They can provide guidance on the appropriate chain size, sprocket selection, lubrication requirements, and maintenance practices to ensure reliable and efficient operation in demanding environments.

duplex chain

How do duplex chains perform in extreme temperature conditions?

Duplex chains are designed to operate efficiently and reliably in a wide range of temperature conditions. However, extreme temperatures can have an impact on the performance of duplex chains. Here’s a closer look at how duplex chains perform in different temperature conditions:

  • High-temperature environments: In high-temperature environments, the performance of duplex chains can be affected by factors such as thermal expansion, increased wear, and reduced lubricant effectiveness. It is essential to select duplex chains made from heat-resistant materials and use appropriate lubricants with high-temperature stability to ensure reliable operation.
  • Low-temperature environments: In low-temperature environments, the material properties of duplex chains can be affected, leading to increased brittleness and reduced flexibility. This can impact the chain’s ability to flex and transmit power effectively. It is important to choose duplex chains made from materials suitable for low temperatures and ensure proper lubrication to prevent freezing or stiffening of the chain.

When operating duplex chains in extreme temperature conditions, it is crucial to consider the following:

  • Chain material selection: Choosing the right material for the duplex chain is critical to ensure its performance in extreme temperatures. Heat-resistant alloys or special coatings may be required for high-temperature applications, while low-temperature materials should be selected for cold environments.
  • Lubrication: Proper lubrication is essential in extreme temperature conditions to reduce friction and prevent excessive wear. It is important to select lubricants that can withstand the operating temperature range and maintain their effectiveness.
  • Maintenance and inspection: Regular maintenance and inspection of duplex chains operating in extreme temperature conditions are vital. This includes monitoring chain wear, checking for signs of thermal degradation, and replacing worn or damaged components promptly.

By considering the specific temperature requirements and selecting appropriate materials, lubricants, and maintenance practices, duplex chains can perform reliably in extreme temperature conditions. It is recommended to consult with chain manufacturers or industry experts for guidance on selecting and using duplex chains in such applications.

duplex chain

How do you determine the appropriate size and pitch of a duplex chain?

Determining the appropriate size and pitch of a duplex chain involves considering several factors to ensure optimal performance and compatibility with the application. Here’s a step-by-step guide to determining the right size and pitch:

  1. Identify the power requirements: Determine the power requirements of the application, including the torque and speed at which the chain will operate. This information is crucial for selecting a chain that can handle the expected load and provide the necessary power transmission.
  2. Calculate the design power: Use the torque and speed requirements to calculate the design power, which is the amount of power the chain needs to transmit. Design power is calculated using the formula: Design Power (kW) = Torque (Nm) x Speed (rpm) / 1000.
  3. Refer to manufacturer’s catalogs: Consult manufacturer catalogs or technical specifications to find the appropriate duplex chain series that can handle the design power calculated in the previous step. The catalogs provide detailed information on the capacity and capabilities of different chain sizes and pitches.
  4. Consider the chain’s tensile strength: Evaluate the tensile strength of the duplex chain options available in the selected series. The tensile strength should be sufficient to handle the anticipated load without exceeding the chain’s maximum working load limit.
  5. Determine the pitch: The pitch refers to the distance between the centers of adjacent chain pins and is an essential parameter to ensure proper meshing with the sprockets. The pitch size should match the pitch diameter of the sprockets used in the system. Select the duplex chain with the appropriate pitch size that matches the sprocket pitch diameter.
  6. Consider environmental factors: Take into account any specific environmental factors that may affect the chain’s performance, such as temperature extremes, corrosion, or abrasive conditions. Choose a duplex chain with the appropriate material and surface treatment to withstand the environmental conditions.
  7. Verify compatibility: Double-check the compatibility of the selected duplex chain with the sprockets, shafts, and other components in the power transmission system. Ensure that the chain can properly engage with the sprockets and align with the overall system design.
  8. Consult with experts: If you are unsure or require assistance in determining the appropriate size and pitch of a duplex chain, consult with experienced engineers, chain manufacturers, or industry experts who can provide guidance based on their expertise.

By following these steps and considering the power requirements, tensile strength, pitch, and environmental factors, you can determine the appropriate size and pitch of a duplex chain that will effectively and reliably transmit power in your specific application.

China Standard 12b-2, 10b-2, 16b-2, 32b-2 Duplex Standard Roller Chain  China Standard 12b-2, 10b-2, 16b-2, 32b-2 Duplex Standard Roller Chain
editor by CX 2023-08-21