Product Description
The choice of bicycle chain is from 3 aspects:
1. Size specification of chain: There are 3 common sizes of chain: 1/2 “1/8”; 1/2 “3/32”; 1/2 “11/128”, which are expressed by 2 numerical values. The first value means the length of each section of the chain, which is generally 1/2″for common bicycles.
The second value is the width of the chain. One-8h of the chain is the widest. It can be used on thicker dental discs. The narrowest 1 is 11/128. It can only be used on thin dental discs. It is especially important to note that one-8h of the chain is universal, that is, it can be used on other thin dental discs, but the chain of 11/128 must not be used on thicker ones. On the tooth tray, many exquisite workmanship teeth will indicate the width of the chain.
Second, the transmission performance of the chain: for the transmission vehicle, it is to choose how many speeds, such as the common 7-speed, 8-speed, 9-speed, 10-speed, etc. (here refers to the number of rear tower wheel teeth, the selection of the chain generally does not consider the front speed). The higher the speed level of the chain, the greater the distortion angle of the chain is required, that is, when the chain works. At the highest and lowest speed of the rear tower wheel, the front and rear tooth discs are not in a straight line, and the chain works in a twisted state, which requires that each joint of the chain has enough space to cope with the twist. High-speed chains can be used at low speeds, but low-speed chains can not be used at high speeds, such as 8-speed chains can be used on 7-speed tower wheels. If 7-speed chains are used on 8-speed cars, because the twist angle of 7-speed chains is small, when the speed is adjusted to the highest and lowest speed, the twist angle exceeds the endurance of the chain. Like forced work, the damage to the chain and the tooth disc is great, or even broken. Another thing to note is that even if you choose the right chain, it does not mean that your car will have no problem. Assuming that the middle axle of the 8-speed car is too long, the smallest tooth disc (outermost) of the front tooth disc and the rear tower wheel is on a line, then if you adjust to the lowest speed (the largest tooth disc in the innermost), the chain will be too distorted. Damage. So the correct way is to align the big tooth disc with the middle tooth disc of the rear tower wheel on a line, which can be achieved by choosing different lengths of the central axis. In addition, if the front gear has 3 large dental discs, then only a compromise can be considered, or a higher level of chain can be considered.
3. The length of chain: The length of chain is expressed by sections. There are 2 methods to choose the length of chain: calculation method and experience method. Here, only experience method is briefly introduced.
1, the chain is not on the transmission, the chain around the front and rear market, add 2 more on this length.
2. The chain is attached with a transmission. After the front is small and the rear is small, the introduction of the rear arm is parallel to the ground.
3, the chain is connected with the transmission, and the chain is not droop obviously in the case of small to small.
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Q:Why choose us ?
A. we are a manufacturer, we have manufactured Chain and Sprocket for over 20 years .
B. Reliable Quality Assurance System;
C. Cutting-Edge Computer-Controlled CNC Machines;
D. Bespoke Solutions from Highly Experienced Specialists;
E. Customization and OEM Available for Specific Application;
F. Extensive Inventory of Spare Parts and Accessories;
G. Well-Developed CHINAMFG Marketing Network;
H. Efficient After-Sale Service System
Q. what is your payment term?
A: 30% TT deposit, 70% balance T/T before shipping.
Q:Can we print our logo on your products?
A: yes, we offer OEM/ODM service, we support the customized logo, size, package,etc.
Q: Can you make chains according to my CAD drawings?
A: Yes. Besides the regular standard chains, we produce non-standard and custom-design products to meet the specific technical requirements. In reality, a sizable portion of our production capacity is assigned to make non-standard products.
Q: what is your main market?
A: North America, South America, Eastern Europe, Western Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia,
Q: Can I get samples from your factory?
A: Yes, Samples can be provided.
Q: If products have some quality problem, how would you deal with?
A: We will responsible for all the quality problems.
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| After-sales Service: | 7*24hours |
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| Warranty: | 1 Year |
| Type: | Transmission, Chain |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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How do I identify signs of wear and fatigue in a trencher chain, and when should I replace it to prevent downtime?
Regularly inspecting your trencher chain for signs of wear and fatigue is crucial to prevent unexpected downtime and maintain optimal trenching performance. Here are the steps to identify such signs and determine when to replace the chain:
1. Check Cutting Teeth:
– Examine the cutting teeth or blades on the trencher chain. Look for signs of excessive wear, such as flattened or severely worn teeth. Dull or damaged teeth will result in inefficient trenching.
2. Inspect Chain Links:
– Check the chain links for signs of bending, cracking, or stretching. Damaged links can lead to misalignment, affecting the chain’s performance.
3. Measure Chain Pitch:
– Measure the chain pitch, which is the distance between adjacent cutting teeth. If the chain pitch has significantly increased compared to the original specifications, it indicates wear and the need for replacement.
4. Look for Missing Teeth:
– Missing cutting teeth can cause uneven trenching and increase stress on the remaining teeth. Replace the chain if multiple teeth are missing.
5. Examine Chain Guides:
– Check the chain guides or rails on the trencher machine. If they show signs of excessive wear or damage, it may affect the chain’s alignment and performance.
6. Monitor Chain Tension:
– Keep track of the chain tension during operation. A loose or overly tight chain can lead to premature wear and affect trenching efficiency.
7. Consider Performance Issues:
– If you notice reduced trenching speed, increased vibration, or decreased cutting efficiency, it could be a sign of worn-out or fatigued trencher chain.
When to Replace:
The specific replacement timeline for a trencher chain depends on factors such as the frequency of use, soil conditions, and maintenance practices. As a general guideline:
– Replace the trencher chain if cutting teeth are worn to half their original size or show significant damage.
– Consider replacement if multiple cutting teeth are missing or broken.
– If the chain links show signs of fatigue, stretching, or damage, it’s time to replace the chain.
– Replace the chain if it consistently fails to maintain proper tension or alignment.
Timely replacement of a worn-out trencher chain is essential to avoid unexpected downtime, maintain trenching efficiency, and reduce the risk of costly repairs to the trencher machine. Regular inspections and proactive replacement will ensure smooth trenching operations and maximize the lifespan of your trencher chain.
Can trencher chains be used in trenchless technology, such as horizontal directional drilling?
Yes, trencher chains can be used in trenchless technology applications, including horizontal directional drilling (HDD). Trenchless technology refers to methods of installing underground utilities and pipelines without the need for traditional open-cut trenches. Instead, these methods use specialized equipment to bore or drill underground, minimizing surface disruption and environmental impact.
1. Horizontal Directional Drilling (HDD):
– HDD is a trenchless method used to install underground utilities, such as water, gas, and fiber optic lines, by drilling horizontally beneath the surface.
– While HDD primarily involves drilling a pilot bore and then enlarging it using reamers, trencher chains can be utilized in the initial stages of the process.
2. Pilot Bore:
– During HDD, a pilot bore is drilled along the desired path of the utility. Trencher chains, with cutting teeth designed for specific soil conditions, can help cut through the initial soil and create a pilot bore.
– The trencher chain can be attached to the front of the drilling rig, allowing it to cut and guide the drilling path.
3. Reaming:
– After the pilot bore is created, reamers of increasing size are pulled back through the bore to enlarge it to the required diameter for utility installation.
– At this stage, trencher chains are no longer used, as reamers take over the task of enlarging the borehole.
4. Other Trenchless Methods:
– Trencher chains can also be used in other trenchless methods, such as microtunneling and pipe bursting, where cutting through initial soil layers is necessary.
– However, in most trenchless applications, trencher chains are used for initial soil penetration, and specialized tools take over the trenching process for larger bores or installations.
Trenchless technology, including horizontal directional drilling, offers several advantages, such as reduced surface disruption, minimized environmental impact, and faster installation times. The combination of trencher chains with trenchless methods allows for efficient soil penetration and precise drilling paths, contributing to the success of trenchless utility installations.
How does a trencher chain differ from other types of chains used in heavy machinery?
A trencher chain differs from other types of chains used in heavy machinery primarily in its design and purpose. Here are the key differences:
1. Cutting Design:
– Trencher Chain: A trencher chain is specifically designed for cutting through soil and other materials to create trenches. It features cutting teeth or blades arranged in a continuous loop to efficiently dig into the ground.
– Other Heavy Machinery Chains: Chains used in other heavy machinery, such as excavators or loaders, may not have cutting teeth but are designed for tasks like lifting, towing, or moving heavy objects.
2. Application:
– Trencher Chain: The primary application of a trencher chain is trenching, which involves digging narrow and deep channels in the ground for various purposes, such as laying utility lines or drainage systems.
– Other Heavy Machinery Chains: Chains used in other heavy machinery serve different functions, such as lifting and moving materials, excavating, and loading.
3. Loop Configuration:
– Trencher Chain: A trencher chain is typically designed in a loop configuration to form a continuous cutting edge. This design enables smooth and continuous trenching operations.
– Other Heavy Machinery Chains: Chains used in other heavy machinery may have different configurations based on their specific functions and applications.
4. Teeth or Blades:
– Trencher Chain: The cutting teeth or blades on a trencher chain are sharp and robust, specifically suited for cutting through the ground and various materials encountered during trenching.
– Other Heavy Machinery Chains: Chains used in other heavy machinery may not have sharp teeth or blades, as their purpose is not for cutting into materials.
5. Size and Shape:
– Trencher Chain: Trencher chains come in various sizes and shapes, depending on the trenching machine and the required trench dimensions.
– Other Heavy Machinery Chains: Chains used in other heavy machinery also come in different sizes and configurations, tailored to the specific needs of the equipment and its intended applications.
Overall, the primary difference lies in the design, function, and application of the trencher chain, which is uniquely suited for trenching tasks in construction and landscaping projects.
editor by CX 2024-04-03