The conveyor chain(GETECHAIN) sprocket is widely used in the chemical industry, textile machinery, food processing, instrumentation, petroleum and other industries such as mechanical transmission. Small-diameter sprockets are generally made of integral type, while medium-diameter sprockets are mostly made of spoke plates. In order to facilitate handling, clamping and weight reduction, openings are made in the spoke plates. Large-diameter sprockets can be made of combined type. At this time, the gear ring and the wheel core can be made of different materials.

As a common power transmission device, the conveyor chain reduces friction force through the hyperbolic arc “chain” design, and is used in places with relatively large power and relatively slow running speed, which has obvious advantages over belt transmission, such as tanks, pneumatic compressors, etc., but the transmission speed cannot be too fast because the flexibility of the chain is not as good as belt transmission. It consists of an inner link and outer link. It is composed of five small parts: inner link plate, outer link plate, pin shaft, sleeve, and roller. The quality of a chain depends on the pin shaft and sleeve.

The standard transmission roller chain is a universal transmission roller chain based on JIS and ANSI specifications. Plate chain is a hanging chain composed of chain plates and pin shafts. Stainless steel chains are stainless steel chains that can be used in special environments such as medicine, water, and high temperature. The standard accessory chain is a chain with accessories attached to the standard roller chain for transmission. Hollow pin shaft chains are chains connected by hollow pin shafts, and accessories such as pin shafts, cross rods and the like can be freely attached or removed according to customer requirements. The double pitch roller chain is a chain with 2 pitches of the standard roller chain based on JIS and ANSI specifications. It is a low-speed transmission chain with lightweight and average length and is suitable for devices with long distance between shafts.

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In order to improve the motion stability of the heavy roller chain(GETECHAIN) and reduce the dynamic load, it is better to have more small sprocket teeth. However, the number of teeth on the small chain wheel should not be too large, otherwise, thus causing the heavy roller chain to fail earlier.

After the heavy roller chain works for a period of time, the wear makes the pin shaft thinner and the sleeve and roller thinner. Under the action of tensile load F, the pitch of the chain extends. When the chain pitch becomes longer and the chain wraps around the sprocket, the circle D moves to the tooth top.

Generally, the number of chain links is even to avoid the use of transition joints. In order to make the worn uniform and prolong the service life, the number of sprocket teeth and the number of chain links should be mutually equal. If mutual quality cannot be guaranteed, the common factor should be as small as possible.

The larger the pitch of heavy roller chain, the higher the theoretical bearing capacity. However, as mentioned in the above section, the larger the pitch, the greater the dynamic load caused by the change of chain speed and the impact of the engagement of chain links with sprocket, which will reduce the chain bearing capacity and service life. Therefore, the chain with small pitch should be selected as much as possible in design, and the actual effect of selecting multi-row chain with small pitch is often better than that of selecting single-row chain with a large pitch.

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(1) Do not understand the common sense of maintenance and adjust by yourself, and adjust the hollow pin chain(GETECHAIN) by mistake. The concept of this animal is confused. It only knows that the adjustment of the hollow pin chain is the category of maintenance. I do not know how to adjust is the correct standard.

(2) If the hollow pin chain is seriously worn, but time or economy do not allow it, or the special-shaped vehicle cannot purchase the same type of toothed disc at that time, the hollow pin chain shall be adjusted tightly to keep the vehicle running.

(3) When replacing the hollow pin chain with the gear disc, the eccentric gear disc that is out of the park is mistakenly installed on the motorcycle, causing the hollow pin chain to tighten and loosen. During inspection and adjustment, the loose end is accidentally encountered while the other end is too tight. No matter which of the above causes the hollow pin chain to be adjusted too tightly, it will greatly reduce the service life of the chain and the toothed disc. When the hollow pin chain is adjusted too tightly, the contact pressure with the tooth plate increases, the hollow pin chain is easy to stretch, the link plate is easy to deform or break, and the chain roller will also be broken. In addition, the tooth plate will be worn too early to make the tooth shape sharp and serrated in severe cases.

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When palm oil chain(GETECHAIN) is used, people will rust due to various reasons, affecting its service life and bringing economic losses to enterprises. However, understanding the corrosion causes of palm oil chains and doing a good job of protection can well prevent this problem. The following is a specific introduction:

1. The quality of antirust lubricating oil, cleaning kerosene and other products used in palm oil chain production cannot meet the requirements specified in the process technology.

2. During the production process, palm oil chain did not strictly carry out antirust treatment on the chain parts in the processing process and the assembled finished chain as required.

3. The environmental conditions in the place where palm oil chain production enterprises are located are poor, with high content of harmful substances in the air and too small turnover area to carry out effective antirust treatment. Coupled with the hot weather, production workers in violation of anti-rust regulations and other phenomena also exist.

4. As the price of chain steel is gradually decreasing, the spraying jig for chain steel material is gradually declining. For example, the content of nonmetallic impurities in steel is relatively high and the metallurgical structure deviation is high.

5. The clearance between the palm oil chain scraper and the machine groove bottom plate is too small, and clinker is easy to be stuck between the scraper and the machine groove, causing damage to the scraper or the machine groove bottom plate, and even chain breakage accidents in serious cases.

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As a common chain, leaf chain(GETECHAIN) is often exposed to humid environment or other liquids that are easy to corrode, so rust spots will appear more or less over time. When there are rust spots on the leaf chain, these rust spots must be treated in time, otherwise it will have certain influence on the service life of the leaf chain.

Pickling cream is a common method to remove rust spots on the leaf chain. It can greatly improve the smoothness of the surface of the leaf chain and form a passivation film on the surface of the chain, thus prolonging the service life of the leaf chain. This rust removal method is suitable for most industries such as chemical machinery, food machinery, printing and dyeing machinery, pharmaceutical machinery and pressure vessel manufacturing.

The operation of using pickling paste is also briefly described. First, we apply our pickling paste on the surface of the leaf chain. At this time, we control the thickness of the coating film to be between 0.5 and 2 mm, and the time to be over 3 to 10 minutes. If the pickling paste is used in low temperature, winter or below 0℃ or oxide skin thickness, the time can be appropriately extended. In the process of this treatment, it is recommended to brush the leaf chain several times more, and then use clear water after the oxide scale on the surface of the leaf chain is completely removed, or use lime water or alkaline water to better clean the leaf chain, so as to avoid rust.

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At present, the Crate Mould(FURNITUREMOULD) market is very low, and many crate mould prices are not rising, especially online orders. Before the ancients said that the goods were more than three, the current customers are goods than 10, or even dozens of house prices, just to reduce costs. Faced with many of these customers, as a company, many people have already kept prices to a minimum in order to be able to accept orders, and it seems that even the cost is not enough. This vicious competition will inevitably lead directly to the decline in the overall quality of market products.

Of course, at this point buyers should not feel that they have taken up a lot of money. Because no company operates at a loss. Ask about the factory rent, the employee’s salary, and the source from it. For laymen, for the layman, the naked eye is invisible and can only be found after use. There are many problems when crate mould are produced in less than a few thousand. When the crate mould can’t produce a qualified product, when the crate mould is postponed again and again, at this time, you think that at that time, because of the price problem, would you choose this? Manufacturer?

People who think that they are expensive are usually just the moment they pay when they buy. When you use it, I believe you never thought about it, and you are more pessimistic about the quality of the product. This is called a penny. Therefore, we appeal to all crate mould manufacturers and customers to ensure the healthy and orderly development of our mould industry, reject vicious competition and give ourselves a bright future.

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Question: I heard someone say that sewing machine oil, butter, diesel oil, chain oil and waste oil can be used to refuel bicycle chains. Is it true?

The answer given by the China chain factory(GETECHAIN): sewing machine oil is too thick, butter is definitely not good, diesel oil is used for cleaning, not lubrication, waste oil is not thick, and there are impurities in itself. Relatively speaking, sewing machine oil may be a good option.

The method of oiling: wash first, then oil one by one, that is, a little oil at each turning point. Then turn and place it for ten minutes, wipe the chain with toilet paper, and wipe off all the excess oil on the chain. Oil seals on the chain ensure lubrication.

Zhejiang Shenlong Chain Transmission Co., Ltd (the predecessor is Hangzhou Shenlong Chain Factory) is one of the biggest professional Chain factories in China. Belongs to joint-stock enterprises which cover 20,000 square meters. The company founded in 2006, Has a wealth of experience for manufacture several kinds of chains. There are more than 130 employees, including engineering technical personnel about 26 people. The annual production capacity is USD900,000, the annual sales amount up to USD720,000. About 40% export to abroad market, like Europe, USA, Japan, Korea, and Southeast Asia.

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Our chain will become loose or even disjointed under the condition of long-term use and excessive wear. How can we prevent such problems? next, China chain factory(GETECHAIN) will answer for you.

First of all, we should improve the tension of the chain in order to prevent the chain from abrasion and disconnection. In order to reduce its wear and tightness, we can choose chains with better quality, which can improve the machining accuracy of gears and the hardness of working faces.

Secondly, when installing the chain, it should be installed in parallel with the chain shaft and checked correctly, which can effectively reduce the wear of the chain. Otherwise, the deviation between the chain and the chain shaft will be reduced, further aggravating the wear of the chain. We can improve the tightness of the chain by changing the daughter screws from two to four, which will make the operation more light and improve the safety of chain operation.

How to prevent the chain from loosening?

Maintenance method of chain:

1. Do not place the chain in a damp place, which will easily cause rust and corrosion of the chain;

2. Do not expose the chain house to high temperature and direct sunlight, which will cause deformation of the chain;

3. Keep away from places with chemical corrosion.

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As a common transmission force device, the chain reduces the friction through the “chain” design of the hyperbolic arc. It is used in places where the power is relatively large and the running speed is relatively slow, which is obviously superior to the belt transmission, such as the tank. , pneumatic compressors, etc., but the transmission speed can not be too fast, because the chain is not as flexible as the belt.

At present, the China chain factory(GETECHAIN) mining chain is divided into B grade, C grade and D grade according to the strength grade, and the material is 25MnV and 23MnCrNIMo54. Divided into flat chain, reinforced chain and anti-corrosion chain: Zhiyuan chain reinforced mine ring chain series, using forged vertical ring and special heat treatment, with high tensile strength, domestic chain length, fatigue life and higher The toughness, the best hardness of each ring is promulgated to reduce the wear between the links, significantly improving the service life; knowing the round anti-corrosion mining ring chain and compact chain, for corrosive conditions, developed a Special raw materials for anti-corrosion chains. When the water on the coal mine is particularly corrosive, corrosion pits and fatigue cracks will occur in ordinary chains. The anti-corrosion mining chain is almost immune to corrosion, and is used on scraper conveyors in many coal mines around the world. Verified.

Stainless steel chain: The parts are made of stainless steel. This type of chain is suitable for use in the food industry and susceptible to chemical and pharmaceutical erosion. It can also be used in high and low temperature applications.

Nickel-plated chain, galvanized chain, chrome-plated chain: All carbon steel materials can be surface-treated. The surface of the parts is nickel-plated, chain-galvanized or chrome-plated. It can be used in outdoor rain erosion, but it can not be prevented. Chemical liquid corrosion.

When the chain is oiled, keep some oil on the chain joints. Don’t be too much, just a little. If the oil is short, the chain will ring. This is also a sign that the chain should be oiled. When the chain is rusty, it should be on the chain. When it is oil. Chains can only be extended to their useful life if they are most effectively maintained.

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