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Corrosion Resistant Drive Chains / Stainless Steel Roller Chain

Roller chain created from stainless steel.
Provides sustained corrosion resistance than RS Roller Chain or RS surface area treated chain. Tsubaki offers four standard stainless chain types to meet any application.

Applications and Features
Series SS Series Since Series NS Series
Material SUS304
*Clips are SUS301
Pins and rollers : precipitation Transmission Chain hardened stainless steel
Plates, bushes : SUS304
Clips use SUS301
*Clips are SUS301
Offers better corrosion level of resistance than steel or plated chains underwater or in touch with acids, alkalis, etc.
Usable in both low and temperature ranges (-20ºC to 400ºC)
Maximum allowable load : 1.5x that of SS Series
Less corrosion level of resistance than SS Series
Usable in both low and temperature ranges (-20ºC to 400ºC)
Better corrosion resistance than SS Series
nonmagnetic (except for the clips)
Product Types/Features
SS Series
SS Series
Our basic stainless steel chain using SUS304 equivalent material. Perfect for use in water or in acidic, alkali, or other corrosive conditions.

NS Series
NS Series
Uses SUS316 stainless steel for better corrosion resistance than SS Series. Make use of in circumstances requiring greater corrosion level of resistance than SS Series.

AS Series
AS Series
Pins and rollers use precipitation hardened stainless steel for 1.5x the maximum allowable load of SS Series. However, AS Series has much less corrosion resistance than SS Series.

LSC Series
LSC Series
Stainless chain with a particular engineering plastic sleeve inserted between the pins and bushes for extended life, lube-free operation.

900 CLASS SUGAR MILL CHAINS 901 902 907 5174

900 SERIES PINTLE CHAINS, sometimes known as “sugar mill” or “intermediate carrier chain” can be used extensively in sugar mills. Multiple strands of 900 Pintle Chain, available with one or two holes per link, can be fitted with overlapping beaded carrier slats to create a continuous apron conveyor for intermediate carrier service.
The pin holes at the closed end of the 900 Class link are provided with smooth bushings which are press-fitted into the links and keyed into place. The bushings are renewable and can be powered out and replaced if they become worn. 900 Class Pintle Chain is designed with dual barrels, one on each part of the open up end of the links, to Transmission Chain accommodate double sprockets. The objective of this driving method is to remove the possibility of material build-up in the sprocket get in touch with area, which often causes the chain to jump the sprocket. Heavy ribs rigidly reinforce these traveling barrels.
Our 900 Class chain links, with tensile power from 22,500 to 32,500 pounds, are available with large sliding surfaces to lessen chain wear and prolong chain existence. Broad wearing areas and heavy cross sections team up to provide a substantial link which is manufactured according to manufacturer’s specifications and can perfectly replace links made by other manufacturers.
Brutaloy sprockets for 900 Class Pintle Chain are plentiful in 3.170 inches. 900 Class Pintle Chain should only be permitted to travel in one direction; links should always run in direction of their shut narrow end.
Obtainable in cottered construction only, 900 Class Chain is usually assembled with T-headed pins which are locked into place by two lugs cast on the ends of the driving barrels to prevent pin rotation. Pin rotation during operation would result in wear on the inside of the bushing. Both head of the pin and the cottered end of the pin are protected by cast lugs on the barrel end of the links.
900 Class Pintle Chain are links cast of malleable iron or Promal (Duramal). It is furnished with carbon steel warmth treated pins and carbon steel case hardened bushings as regular. However, stainless steel pins and bushings could be provided when specified.

400 CLASS PINTLE CHAINS 442 445 452 455 462 477 488 4103 4124

The 400 Class Pintle Chains is a light-weight,moderately priced chain capable of handling average loads at slower or intermediate speeds. It really is proportionately cast for stability, strength and long, effective service, and comes in riveted or cottered construction. The head of every pin is definitely notched to match the sidebar locking lug which will keep the pin from rotating when the chain is certainly in use. Closed bearing structure makes 400 Class Pintle Chain useful in conveying moderately gritty and abrasive materials.
Manufactured in HZPT Organization, with a tensile power range between 7,800 to 32,500pounds, The 400 Class Pintle Chain is thoroughly cored for pitch accuracy with smooth bearing surfaces that reduce “break-in” wear causing pitch elongation. 400 Class Pintle Chain is available in a pitch selection of 1.375 to 4.060 inches with a complete assortment of Brutaloy or cast steel sprockets.
A large range of attachments are available to take care of a multitude of applications. Styles A ,K and G attachments are Drive Chain offered in right and left hand links.
As a drive chain, 400 Course Pintle is made to travel in direction of the barrel end of the links; as an elevating or conveying chain, its path of travel should be toward the open ends of the links.
All the 400 Class Pintle Chain is manufactured according to manufacturer’s requirements and is totally interchangeable with other producers’ chain.
400 class pintle chains are links cast of malleable iron or Promal (Duramal). It is a heat treated malleable iron having better strength and superior resistance to use and abrasion. Promal (Duramal) chains have high temperature treated pins.

Ever-power specialist in making all sorts of mechanical transmission and hydraulic transmission like: planetary gearboxes, worm reducers, in-line helical gear acceleration reducers, parallel shaft helical gear reducers, helical bevel reducers, helical worm gear reducers, agricultural gearboxes, tractor gearboxes, auto gearboxes, pto drive shafts, special reducer & related equipment parts and other related items, sprockets, hydraulic system, vaccum pumps, liquid coupling, equipment racks, chains, timing pulleys, udl acceleration variators, v pulleys, hydraulic cylinder, equipment pumps, screw air compressors, shaft collars low backlash worm reducers and so on. furthermore, we are able to produce personalized variators, geared motors, electrical motors and other hydraulic products according to clients’ drawings.

The company offers a reliable gurantee for the product’ s quality by advanced inspection and testing equipment. professional technical team, beautiful processing technology and rigorous control system.

In recent years, the business has been developing rapidly by its rich experience in production, adcanced managemant system, standardized administration system, solid technical force. We often adhere the idea of survial by quality, and decelopment by innovation in science and technology.

400 CLASS PINTLE CHAINS 442 445 452 455 462 477 488 4103 4124
Ever-power Group is willing to work with you hand in hand and create brilliance together!

What have you any idea on the subject of Gear Couplings?

Though one might not think of gears as being flexible, gear couplings are extremely much regarded as a versatile coupling. A gear coupling is usually a mechanical device made to transmit torque between two shafts that aren’t collinear. The coupling typically consists of two flexible joints, one set to each shaft. These joints are often linked by a third shaft called the spindle.

Each joint generally consists of a 1:1 equipment ratio internal/external gear pair. The tooth flanks and external diameter of the exterior equipment are crowned to permit for angular displacement between the two gears. Mechanically, the gears are equal to rotating splines with altered profiles. They are known as gears because of the relatively large size of one’s teeth. Gear couplings are usually limited by angular misalignments of 4 to 5°.

Gear couplings ordinarily can be found in two variations, flanged sleeve and continuous sleeve. Flanged equipment couplings consist of short sleeves encircled by a perpendicular flange. One sleeve is normally placed on each shaft so the two flanges fall into line face to face. A number of screws or bolts in the flanges keep them together. Continuous sleeve equipment couplings feature shaft ends coupled collectively and abutted against each other, which are after that enveloped by a sleeve. Generally, these sleeves are made of metal, however they may also be made of Nylon.

Single joint equipment couplings are used to connect two nominally coaxial shafts. In this application these devices is called a gear-type flexible, or versatile coupling. The single joint permits small misalignments such as installation mistakes and adjustments in shaft alignment due to operating circumstances. These types of equipment couplings are usually limited by angular misalignments of 1/4 to 1/2°.

Considerations When Using Plastic Gears

Engineers and designers can’t view plastic material gears as just metal gears cast in thermoplastic. They need to focus on special issues and considerations unique to plastic material gears. In fact, plastic gear design requires attention to details that have no effect on metallic gears, such as heat build-up from hysteresis.

The basic difference in design philosophy between metal and plastic gears is that metal gear design is founded on the strength of a single tooth, while plastic-gear design recognizes load sharing between teeth. Put simply, plastic teeth deflect more under load and spread the load over more teeth. Generally in most applications, load-sharing escalates the load-bearing capacity of plastic gears. And, consequently, the allowable tension for a specified number-of-cycles-to-failure increases as tooth size deceased to a pitch of about 48. Little increase sometimes appears above a 48 pitch due to size effects and Screw Vacuum Pump various other issues.

In general, the following step-by-step procedure will create a good thermoplastic gear:

Determine the application’s boundary conditions, such as heat, load, velocity, space, and environment.
Examine the short-term material properties to determine if the initial performance levels are adequate for the application.
Review the plastic’s long-term home retention in the specified environment to determine whether the performance levels will be managed for the life of the part.
Calculate the stress levels caused by the various loads and speeds using the physical real estate data.
Compare the calculated values with allowable stress and anxiety amounts, then redesign if needed to provide an adequate safety factor.
Plastic material gears fail for many of the same reasons metal ones do, including wear, scoring, plastic material flow, pitting, fracture, and fatigue. The cause of these failures is also essentially the same.

The teeth of a loaded rotating gear are subject to stresses at the main of the tooth and at the contact surface area. If the gear is normally lubricated, the bending tension is the most crucial parameter. Non-lubricated gears, on the other hand, may degrade before a tooth fails. Therefore, contact stress is the prime element in the design of these gears. Plastic gears usually have a full fillet radius at the tooth root. Therefore, they are not as susceptible to stress concentrations as metallic gears.

Bending-tension data for engineering thermoplastics is founded on fatigue tests work at specific pitch-line velocities. Consequently, a velocity factor should be found in the pitch series when velocity exceeds the test speed. Continuous lubrication can increase the allowable tension by one factor of at least 1.5. Much like bending tension the calculation of surface contact stress requires a number of correction factors.

For instance, a velocity element is utilized when the pitch-range velocity exceeds the check velocity. In addition, a factor is used to account for changes in operating heat range, gear materials, and pressure angle. Stall torque is definitely another factor in the look of thermoplastic gears. Frequently gears are subject to a stall torque that’s substantially higher than the normal loading torque. If plastic material gears are operate at high speeds, they become vulnerable to hysteresis heating which might get so serious that the gears melt.

There are several approaches to reducing this kind of heating. The favored way is to lessen the peak tension by increasing tooth-root area available for the required torque transmission. Another strategy is to reduce stress in the teeth by increasing the apparatus diameter.

Using stiffer materials, a materials that exhibits less hysteresis, can also lengthen the operational lifestyle of plastic-type gears. To improve a plastic’s stiffness, the crystallinity levels of crystalline plastics such as for example acetal and nylon could be increased by processing techniques that boost the plastic’s stiffness by 25 to 50%.

The most effective method of improving stiffness is by using fillers, especially glass fiber. Adding glass fibers increases stiffness by 500% to 1 1,000%. Using fillers does have a drawback, though. Unfilled plastics have exhaustion endurances an order of magnitude greater than those of metals; adding fillers reduces this benefit. So engineers who wish to make use of fillers should take into account the trade-off between fatigue existence and minimal heat buildup.

Fillers, however, do provide another advantage in the ability of plastic material gears to resist hysteresis failing. Fillers can increase high temperature conductivity. This can help remove high temperature from the peak tension region at the bottom of the gear tooth and helps dissipate heat. Heat removal is the additional controllable general aspect that can improve level of resistance to hysteresis failure.

The encompassing medium, whether air or liquid, includes a substantial effect on cooling prices in plastic gears. If a fluid such as an essential oil bath surrounds a equipment instead of air, heat transfer from the apparatus to the natural oils is usually 10 times that of the heat transfer from a plastic material gear to surroundings. Agitating the essential oil or air also enhances heat transfer by one factor of 10. If the cooling medium-again, air flow or oil-is definitely cooled by a high temperature exchanger or through style, heat transfer increases a lot more.

CHOOSING The Air Compressor That Suits You

First, we should consider the exhaust pressure and the quantity of the exhaust.

Based on the national standard, the exhaust pressure of general purpose atmosphere compressor is 0.7 MPa (7 atmospheric pressure) and the old regular is 0.8 MPa (8 atmospheric pressure). Because the style operating pressure of pneumatic tools and wind machinery is definitely 0.4 Mpa, the working pressure of atmosphere compressor can fully meet the requirements. If the air flow compressor utilized by the consumer is larger than 0.8MPa, it should be specially manufactured. The technique of forced pressurization can not be adopted to avoid accidents.

The size of the exhaust can be one of the main parameters of the air compressor. Choosing the surroundings volume of the surroundings compressor should match its exhaust volume and leave a 10% margin. If the surroundings volume is huge and the air flow compressor exhaust quantity is little, when the pneumatic equipment begin, the exhaust pressure of the air flow compressor will be greatly reduced, however the pneumatic tools can’t be driven. Of course, additionally it is wrong to pursue large exhaust capacity blindly, since the larger the exhaust capability, the larger the electric motor allocated by the atmosphere compressor, not only the higher the price, but also a waste materials of buying funds, and the usage of power and energy will end up being wasted.

Consider the combination of gas fields and conditions.

If the use of air space is narrow, it must be vertical; when there is a long-distance change in the usage of air (more than 500 m), mobile type is highly recommended; if the use of electricity can’t be used, diesel engine generating type ought to be selected; if there is no timing pulley circulating water in the use of occasions, air-cooled type ought to be selected. In the air-cooled and water-cooled cooling settings, many users have an incorrect proven fact that water-cooled is good, but in fact it isn’t. The air-cooled type accounts for a lot more than 90% of the small compressors in the home and abroad. That is since the air-cooled type is easy in design and no water source is necessary in use. There are four fatal shortcomings of water-cooled compressor: it will need to have a complete higher and lower water program with large investment; water-cooled cooler has brief life; it is simple to freeze the cylinder in wintertime in the north; it will waste a whole lot of water in regular operation.

After that consider the compressed air quality.

Generally, compressed air made by air compressor contains a certain quantity of lubricating oil and water. In some instances, it is prohibited from essential oil and water. At the moment, attention ought to be paid not only to selecting compressor, but also to the addition of auxiliary gadgets when necessary.

Lastly, it really is to expand the knowledge of reference.

1. Balance: With the strong rise of China’s overall economy and the constant emancipation of the minds of all kinds of manufacturers, manufacturers from coast to coast are busy with creation work. Along the way of production, air flow compressors, which play an essential role, are often completely loaded and operate all-weather. In the entire production of factories, atmosphere compressor gas production is usually unstable, which is a very troublesome thing, often provides incalculable losses. Therefore, when we purchase atmosphere compressors, the 1st criterion is the stability of surroundings compressors. At present, some high-end brands both at home and abroad can meet this requirement. With the mature technology of adjustable frequency atmosphere compressor, it could be said to meet this requirement.

2. Gas creation: The second reason is gas production. Some enterprises have very high quality of gas. For instance, in the pharmaceutical market, basically the gas they need is oil-free of charge. In this regard, it is still predicated on the enterprise’s very own situation. If the enterprise includes a high demand for this, then it has been a long time to buy more well-known machines. If the demand isn’t high, it depends upon other circumstances. As the near future development tendency of the air compressor industry, the adjustable frequency air compressor is still very exceptional in gas production, since the variable frequency air flow compressor includes a prominent characteristic of tracking gas creation, and at exactly the same time the gas quality produced is very considerable.

3. Power consumption: That is a relatively important place as well as the focus of conversation, because air flow compressor, as a simple equipment, is generally managed all-weather, and air compressor itself is an extremely power-consuming equipment, the general manufacturer of atmosphere compressor power consumption accounts for 20-30% of the full total plant power usage. If effective control, the result is very obvious. Many domestic enterprises are actually pursuing the bottom price. In fact, underneath price is quite one-sided. For general production enterprises, the purchase price of air flow compressor only accounts for 5% of the total cost of surroundings compressor, 9% of the maintenance and labor costs, and 86% of the total cost of electricity. Therefore, considering the last expenditure, the frequency conversion air compressor must be much lower than the ordinary air flow compressor. Frequency conversion air flow compressor is only the first expenditure, but if you take the electricity price into account, you really can calculate a bill. Nowadays, the general energy-saving amount of regularity converter air compressor is very objective, and the domestic professional rate of recurrence converter atmosphere compressor, its power-saving rate is as high as 30%, usually within a calendar year can recover the difference. Therefore, whenever choosing air flow compressor, choosing an excellent variable frequency surroundings compressor is really the best alternative to the problem of power consumption.

Air Compressor Energy Saving Method

Atmosphere compressor is among the general gear in manufacturing market. It is necessary for enterprises to accomplish a good job in energy-saving administration of surroundings compressor. In order to increase production cost, it is urgent for enterprises to install high efficiency air compressors. Just how to save energy for air flow compressor? This paper summarizes eight common ways of conserving energy for atmosphere compressor, hoping to help energy-eating enterprises obtain the purpose of saving power and reducing consumption.

For the air compressors which have been listed in the national elimination catalogue of high energy consumption apparatus and also have low energy performance, it is necessary to consider the overall renewal of new air compressors with high energy performance.

1, governance leaks.

Based on the calculation, a 1 mm2 orifice leaks on the subject of 1.5 L/S under 7 bar pressure. Verify all pipeline systems and gas points, specifically joints and valves, and cope with leakage factors with time.

2, pressure drop governance.

Pressure gauges are create to measure pressure through pipeline sections, and pressure drop of every section is checked in detail, and the troubled pipeline sections are checked and maintained in time. General atmosphere compressor outlet to the gas point, pressure drop can not surpass 1 bar, strict or also only 10% that’s 0.7 bar, cold-dry filter section pressure drop is generally 0.2 bar. Factory layout as far as feasible annular pipe network, balance each stage with atmosphere pressure.

3, adjust the pressure matching of gas tools.

Measure the pressure requirements of the gas apparatus, and reduce the exhaust pressure of the air flow compressor when the creation is guaranteed. The exhaust pressure of the air flow compressor reduces by 1bar and the energy conservation is about 7~10%.

4, adjust irrational usage of gas behavior.

According to authoritative data, the energy utilization price of air compressor is about 10%. About 90% of atmosphere compressor is changed into heat energy reduction. It is necessary to judge the pneumatic equipment for factory make use of and whether it can be solved by electric method. At the same time, we must resolutely end the routine washing work with compressed air.

5, adopt centralized control mode.

If the number of air compressors is small, one variable frequency air compressor can be used to modify the pressure. If the quantity is large, centralized linkage control can be used in order to avoid the stepped exhaust pressure rise due to the parameter setting of PTO Drive Shaft multiple air flow compressors.

6, do a good work in devices maintenance and washing.

Increase the high temperature dissipation aftereffect of the atmosphere compressor, the exchange aftereffect of heat exchanger such as drinking water cooling and atmosphere cooling, and keep maintaining the essential oil quality.

7, the waste high temperature recovery of atmosphere compressor.

Recovery of air compressor essential oil is used to prepare hot water for other procedures or auxiliary living services.

8. Modification of drying system.

The new drying equipment uses air pressure air residual heat to dried out and dehydrate compressed air, and the energy conservation rate exceeds 80%.

Worm Gear Reducer Advantages

1. The worm equipment reducer can get a huge gear ratio, and the bigger output torque is smaller sized than the staggered axle gear system.

2. The two teeth of the worm equipment are in line get in touch with, and the bearing capacity is much greater than that of the crossed helical gear mechanism.

3. The worm gear reducer transmission is equivalent to the screw drive, which really is a multi-tooth mesh drive, therefore the transmission is stable and the noise is very small.

4. The worm equipment reducer has Cast Iron self-locking real estate. When the lead angle of the worm is certainly smaller than the equivalent friction position between the meshing teeth, the system has self-locking home, and the reverse self-locking could be realized, that is, the worm steering wheel can only be powered by the worm, and the worm can’t be powered by the worm wheel. For example, in the self-locking worm mechanism used in its heavy machinery, the reverse self-locking house can serve as a basic safety protection.

5. The worm gear reducer has high transmission efficiency and critical wear. On the other hand, the relative sliding speed is large, causing severe put on on the tooth surface and serious heat generation. To be able to dissipate heat and reduce wear, components with better anti-friction and anti-wear properties and great lubrication devices are often used, so the cost is high.

6. The axial power of the reducer worm is usually large, and the anti-lock bearing can be set up on the worm shaft of our factory.