June 29, 2015

Basic knowledge about the cylinder

A cylinderis the actuator or "motor" side of the system. That is to say, choosing hydraulic motor for the goods are not as simple as people normally thought it is. It demands that company understand deeply their produce piston motor, hydraulic winch, gearbox, hydraulic steering unit, axial piston motor products and scale to get suitable ones. The "generator" side of the hydraulic system is the hydraulic winch brings in a fixed or regulated flow of oil to the bottom side of the cylinder, to move the piston rodupwards.
It also consists of a cylinder barrel, in which a piston connected to a piston rod moves back and forth. The barrel is closed on each end by the cylinder bottom and by the cylinder headwhere the pistonrod comes out of the cylinder. And this cylinder transfers linear motion of the rod to some type of equipment such as a dump truck bed, bulldozer blade, airplane, elevator, and even the movement of some robots.

The principle used by a cylinder to operate machinery is simply a transmission of force applied by pressure onto a fluid that is incompressible. The fluid is a key part of the cylinderability to transmit power from one point to another. It can only transmit power if the fluid is incompressible. In a hydraulic system, the hydraulic fluid is always pumped, or transmitted, through a pipe from the point at which it receives the force, or energy, to the point where the energy is transferred to another piece of equipment that is to be moved or operated. This pipe can be any size or length without reducing or varying the energy it transfers.


cylinder


In addition to the above, the piston is also very important. It has sliding rings and seals. The piston divides the inside of the cylinder in two chambers, the bottom chamber (cap end) and the piston rod side chamber (rod end). The hydraulic pressure acts on the pistonto do linear work and motion.
The cylinder is probably one of the most efficient methods of producing power. Of course, it is a kind of cylinders. And it is usually called a linear hydraulic motor and is a mechanical actuator that is used to give a unidirectional force through a unidirectional stroke. It is made up of seven parts, i.e. the cylinder barrel, cylinder bottom or cap, cylinder head, piston, piston rod, rod gland and other parts.
All in all, the cylinder is one of the key components of some equipment. Few of us know much about the cylinder although most of us may be familiar with equipment that is operated by hydraulics. From the above content, we can learn some basic knowledge about the cylinder.

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June 27, 2015

A Brief Description of Piston Ring 2

Apiston ringis a metal band used to control compression and oil in an engine. The primary function of a top compression ring is to seal compression gas and help in heat transfer. The second groove ring function is to help aid in scraping oil down thecylinder. The function of the oil control ring is to meter the amount of oil in the cylinder walls and provide ventilation for oil drain back. Piston rings are made from cast iron, ductile iron or steel. These rings can be chrome plated, moly inlay, nitride or PVD on the OD face of the rings.
And now for some terms that describe parts of the ring.



The ring diameter refers to the outside diameter of a piston ring when fitted to the engine bore. In comparison, this is the inside diameter or ID of apiston ringwhen compressed to actual bore size. The radial wall thickness is the material thickness between the inside and outside diameters of the ring. And the piston ring face is the portion of the ring that contacts the cylinder wall. Ring sides are the top and bottom surfaces of the piston ring. And the axial width is the area across the face of the ring. The free gap refers to the end clearance when thepiston ringis in its free state. A compressed gap is the end clearance when the piston ring is compressed to bore diameter. And lastly, the side clearance is the distance between the axial width of the ring and the groove width.
Thanks for reading. I hope this article was helpful. Feel free to leave a comment on blog.

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June 24, 2015

Why you can buy auto parts at our website: www.imyautoparts.com?

At our official website :www.imyautoparts.com, we offer an extensive selection of car parts on DongFeng heavy truck orDongfeng commercial vehicle, so you can easily find the quality parts you need at the lowest price. Explore our wide inventory to find both original equipment parts and aftermarket parts for your vehicle.
When you buy auto parts at our website, you can be confident that we will try to become thebest auto parts supplier, so you can receive the highest quality auto parts at wholesale prices, and all the parts we sell come with a full warranty. We also understand how important it is to get the right car parts that you need. That’s why all of our car parts come with our Guaranteed DongFeng motor corporation. If there are ever any issues, we will cover round trip shipping.



Our auto parts undergo strict quality control tests to meet the highest industry standards; so you can feel confident that the truck and car parts you’re ordering from us will perform as expected. Our auto parts are well sold in the South East Asia, Iran, Russia and more. Atwww.imyautoparts.com, you will find all the auto parts you would ever need, including piston and accessories, camshaft, muffler clamp, cylinder head gasket, injector, clutch, oil pipe, suspension, starter, generator, air compressor and air conditioning compressor, fuel pumps, water pump, pulley & gear, drag link and connecting rod, fan and accessories, standard parts, braking system, suspender and suspension shackle, axle series, cylinder series, drive shaft, steering gear and many other wholesaleauto parts.
We never sell any junkyard automobile parts to our valued customers, so you will never need to worry about the quality and performance of our parts and accessories. We encourage you to explore our huge selection of DongFeng heavy truck andauto parts online, though if you can’t find what you need, please don’t hesitate to call us, and we’ll help you find the parts that you need .

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June 23, 2015

Something on Piston Ring

We are a leadingpiston ringsupplier, providing products on Dongfeng heavy Commercial Vehicle. Applications for our piston rings include landing gear, doors, fuselage, de-icing valves, chillers, bleed air valves, and auxiliary power units. Our engineers have extensive experience in designing aircraft seal rings for a range of temperatures, pressures, and other environmental conditions. From prototypes to high volume production runs, all our aircraft seal rings go through demanding quality assurance processes and meet all applicable DOD, FAA, and Mil-Spec requirements.
We focus on the design and fabrication ofcustom piston rings. We specialize in piston rings for harsh environments, including extreme temperatures, high pressures, and tight tolerance requirements. Applications for our piston rings include gas turbines, jet engines, rockets, steam valves, nuclear power exploration, and coal liquefaction.


piston ring


Pistonrings are used to help reduce leakage, and are often viewed as sacrificial components. In order to ensure the best results, we recommend testing the ring, especially where leakage is critical. Precision Rings can provide leakage estimates if required.
Piston rings can be manufactured from custom prints, or Precision Rings’ engineering team can design a custom piston ring for your application. Following the submission of your engineering design sheet, Precision Rings will develop apistonring design that will meet your unique requirements. Typical design time is less than five business days.
The critical piece of any successful organization is its people, their attitude, their expertise and ultimately, the results they produce. Precision rings incorporated's production personnel take great pride in giving attention to every detail throughout the entire manufacturing process ofpiston ringsand seal rings. This results in finished products that satisfy Precision rings incorporated's high quality standards. Knowledgeable management, dedicated employees, and modern technology allowPrecision piston ringsincorporated to fulfill the needs of the highly sophisticated industries we serve.

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June 21, 2015

The Basic Knowledge of Piston

Engineis like a car's "heart", but the piston can be understood as is the "center" of the engine. In addition to living in harsh working environment, it is the busiest one in the engine, constantly engaged from the bottom dead center to the TDC, suction, compression, workmanship, exhaust.... The interior design of the piston is emptying, more like a hat. The both ends of the hole are connected with thepiston pin, which connects the smaller head of the connecting rod, and the bigger one of the connecting rod is connected with the crankshaft. Under this assembly, the reciprocating motion of the piston is transformed into the circular one of the crankshaft.
There are three lines at eachpistonskirt, it is with the purpose of installing two gas rings and an oil ring, and the gas ring is top loading. In the assembly, the opening of two gas rings need to be stagger so that they have the sealed effect. The main role of the oil ring is to scrape the excess lubricating oil splashed on the cylinder wall. At present, the widely used material of the piston ring mainly has the high quality gray iron, ductile iron, alloy cast iron, etc.



In addition, due to the different position ofpiston ring, the surface treatment they use it is different, too. The external circular surface of the first piston ring is usually processed by chrome or spraying molybdenum, which the main function is to improve the lubrication and abradability of the piston ring. Other piston rings are mostly processed by tinning or phosphatization in order to improve its abrasion resistance.
If the piston ring is improperly installed or sealing is not good, it will cause that oil on the cylinder wall flow into the combustion chamber and burn together with the mixing gas, that is the phenomenon of burning oil. If the clearance between the piston ring andcylinderwall is too small or the piston ring was jammed in the ring groove for carbon deposition, the cylinder wall probably will be scratched when the piston is doing the reciprocating movement. Besides, it will form very deep grooves on the cylinder wall after a long time, which is often said that the " cylinder scoring " phenomenon. Cylinder wall with grooves, bad sealing, also can cause burning oil. Therefore, it should be regularly check the working condition of thepistonand ensure the operation of the engine in good condition.

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June 19, 2015

How to Open an Auto Parts Store

Theauto partsretail industry enjoys resilience even during times of economic downturn. "As Americans buy fewer new cars, they are spending more to maintain existing vehicles." However. reports that the auto parts industry is highly concentrated in that the 50 largest companies generate about half of the industry's total revenue. Before you open an auto parts store, you must conduct thorough research of your market.
Step 1 Pick a location. As an auto parts retailer, location is important for the viability of your business. Determine the saturation ofauto parts storesin and around your prospective area of business. Research the nature of your potential buyers as well as their purchasing power. Your town's zoning commission can provide you with information on the latest mapping of your store location and the surrounding areas.


153 Front Axle


Step 2 Obtain the appropriate business license and permits. States have varying rules and regulations pertaining to business licensing, permits issuance and business registration. Generally, you must register your business and obtain a general business license. Because you are going tosell auto parts, you must file for a sales tax registration as well. If you are going to sellDFM auto parts, you might need to obtain a separate license, depending on your business location. For example, in Sacramento, California, and in Georgia, used auto parts retailers need a special business license and a used motor vehicle parts license, respectively. To find out which government agency processes registration and issues licenses and permits in your state, go to SBA.gov, click the "Starting & Managing a Business" pull-down menu and click "Search for Business Licenses and Permits." Your state business licensing agency should direct you to the appropriate agency for auto parts retailers in your locale.
Step 3 Hire cashiers and sales staff. The number you will need depends on the size of your store. Your sales staff must be familiar with, if not experts in, auto parts and the mechanics ofauto parts production. It helps if they have training in the repair and maintenance of vehicles.

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June 17, 2015

The Risks Of Purchasing Used Auto Parts

When it comes to searching for variousauto partsfor imports, there are many different methods in which a person can find exactly what they need. Several of these methods are clean cut as well as genuine. On the other hand, some of the methods used to find auto parts for imports are downright risky; for example, purchasing secondhand parts from places such as scrapyards, auto repair shops, and salvage yards. Even more disturbing is the fact that most auto repair shops will place used parts into a vehicle rather than new ones, which will increase the chance of something going wrong with the vehicle sooner rather than later. This is a move that is done usually to allow the auto repair shop to save money. Here are a few of the risks associated with purchasingspare partsfor your import vehicle that you should make note of, courtesy of Southwest Imports Auto Parts.




PAST HISTORY

When it comes to purchasingauto parts onlinefor imports, it is extremely important to get familiar with the past history of the specific parts you are looking to purchase. For example, if you purchase used parts from a junkyard, there really is no surefire way to know whether or not it actually came from a car or something else. In addition, used parts generally are not under any kind of a warranty, meaning you will be forced to use them at your own risk.

UNRELIABILITY

As previously mentioned, used parts can also oftentimes be purchased from auto repair shops; however, these parts are usually kept in a big pile at the back of the shop. For example, imagine that you were looking to purchase a generator for your vehicle from your local auto repair shop - how would you know for sure that the generator will last for as long as you need it to? Chances are that parts purchased from auto repair shops do not work very well, as the risk is always there for them to either malfunction or stop working completely. While someauto parts supplierswill sometimes offer exchanges or refunds if used parts stop working, it's generally a good idea to avoid purchasing them altogether.

GETTING RIPPED OFF

Perhaps the biggest risk involved with purchasing used auto parts for imports is getting ripped off by the person or shop selling them. If you were to experience this, chances are you would be unable to ever find or track down the individual who sold the parts to you should something happen to them once you get them installed.
Whether the parts you purchase perform their jobs or not, the reality is that purchasing used auto parts for imports is downright risky. The best way to prevent this is to instead focus onpurchasing new partsthat will work for many years to come.

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June 15, 2015

Three major opportunities of the auto parts industry

The first：the rapid development of domesticautomobile market

China has its own special national conditions, our income gap is larger than the countries’ which are powerful in automobile industry. The size of the income gap will play a vital role in the popular speed of durable consumer goods. The smaller the income gap is, the shorter the time of the popular speed takes, and vice versa.
The income gap is relatively bigger which determine the popular speed of car in China is relatively slower, thus China'sauto parts marketwill maintain a longer period of sustained growth, which also win a relatively long period of development for weak brand enterprises.



The second: accelerate the domestic automobile industry’s internationalization

During the twelfth five year period, the state will vigorously promote the internationalization of the automobile industry, and encourage theautomobile enterprisesto go out. But with international OEMs, it will also be a good pulling effect for China's independent parts enterprises.
Now the selling point of our automobile products match well with the demands of the consumers. At present, the world wide, South America is the fastest in the sales growth of auto products, South Korea, Japan and African market is also growing rapidly. However, the people in these countries pay more emphasis on the low price of automotive products. At the same time, with the country actively promoting the internationalized road ofautomobile industry, our country becoming auto power will also be just around the corner. So under such a background, auto parts enterprises will also usher in new developing opportunities.

The third: the rapid development of the independent automobile enterprise

China's auto market is undergoing a new change, that is the two or three line market, especially the three line market is becoming the main growth and support point of China'sauto parts developmentin the future. And consumers in three line of the market are not interested in foreign cars, instead, they pay more attention to economic applicability of automobile. Meanwhile, influenced by Chinese traditional thought, they have their own understanding about the appearance of the car. According to these characteristics, the independent brand cars has more developing advantage.
As the domestic independent brand enterprise is gradually strong, it will pull the rapid development of domesticauto parts industry. Domestic independent brand enterprises should grasp the opportunity and seek better development.

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June 13, 2015

How to choose the best auto parts?

Everyday life brings all sorts of hardships not only to people, but also to their cars. Road-metal or car accidents may cause damages and scratches. This may upset car owners because the overall image of the vehicle can get significantly harmed. Buyingauto partsin workshops takes a lot of time and, of course, a good sum of money. If you urgently need to replace a part or perhaps something in the range of tuning, you can simply buy car parts online. The main advantage is that prices are usually very low and the payment process is very convenient. Buying online is the easiest way to acquirecar parts. Japanese brands also offer a wide range of products, so finding car parts for Honda should be no problem. Purchasing car parts online should also be interesting and convenient for tuning-fans. So if you need BMW or Honda car parts, try to search the Internet and you will find the most profitable offers.



There are many reasons to buynew car parts. Old parts are often defective or used, especially the ones you have to replace regularly, like windscreen wipers or brakes. Non-familiars with parts replacing should take advices from an expert. However, car parts in workshops are often very expensive. A good alternative is to buy the necessary auto parts over the Internet. There are many vendors, who offer appropriate spare parts for each vehicle or car parts makers, who provideauto parts onlinefor specific car brands. The Internet is an easy and quick way to find the required spare parts. In some cases you will need professional assistance; in others – you will be able to replace parts by yourself. Here you will always find the right products and they are often considerably cheaper.
Buying in the Internet, you don`t just choose among the diversity of the offered products, but also save time and money. Thus, you can quickly choose suitablevehicle partsfor your car. They are also high-quality, but at a moderate price. Nameless products are still preferred. They can be high-quality, but have no guarantee. Apart from that, there is a lot of information in the Internet about how to repair a car or to replace spare parts.

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June 11, 2015

The Effect of the Automobile

    During the 1920s and 1930s the mass adoption of theCommercial Vehiclein the United States left few facets of everyday life untouched, and the young technology became deeply woven into the fabric of the country's economy, mobility patterns, and culture. As cities became larger and denser, industries increasingly sought cheap land on the urban periphery where they could erect the large, horizontally configured factories that mass production techniques necessitated. Wealthier urbanites, too, dispersed into out-lying suburban areas, closely trailed by retail stores seeking their patronage. Across rural America, larger trading areas hastened the death of the village general store, cut into small local banks' deposits, forced the mail-order houses to open suburban retail stores, and prompted the large-scale reorganization of both retail and wholesale trades, particularly as they fought to stay afloat during the Great Depression. Urban amenities, too, reached into formerly isolated rural areas, mostauto parts suppliersnotably in the form of far better medical care and consolidated schools. The Model T, the motor truck, and the motorized tractor also played a role in the reorganization of the agricultural sector as large-scale agribusiness began to replace the traditional family farm.



   Large-scale use of automobiles had a tremendous effect on the cities, too. Public health benefited as horses disappeared from cities; but street life became increasingly hazardous, especially for playing children, and automobile accidents became a major cause of deaths and permanent disabilities. Modern city planning and traffic engineering arose to meet growing traffic and parking problems; and attempts to accommodate the motorcar through longer blocks, wider streets, and narrower sidewalks strained municipal budgets even as they undercut the tax base by encouraging residential dispersal. Parents complained thatauto parts onlineundercut their authority by moving courtship from the living room into the rumble seat; police complained that getaway cars made it more difficult to catch crooks. Recreational activities changed, too, as the automobile vacation to the seashore or the mountains became institutionalized and as the Sunday golf game or drive became alternatives to church attendance, the family dinner, and a neighborhood stroll.
    By the mid-1920sauto parts manufacturerranked first in value of product and third in value of exports among American industries. The automobile industry had become the lifeblood of the petroleum, steel, plate glass, rubber, and lacquer industries, and the rise of many new small businesses, such as service stations and tourist accommodations, depended on the 26.7 millionmotor vehiclesregistered in the United States in 1929—one for every 4.5 persons—and the estimated 198 billion miles they traveled. Construction of streets and highways was the second largest item of governmental expenditure during the 1920s, accounting in 1929 alone for over $2.2 billion in road expenditures, financed in part by $849 million in special motor vehicle taxes, $431 million in gasoline taxes, and the steady expansion of the federal-aid road system that began dispersing funds in 1916.

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June 09, 2015

Three focuses on the commercial vehicle industry market

1, Bargaining power of the Supplier 

    With the intensification of competition in the commercial vehicle industry , the profit of commercial product is more and more thin. At the same time, product cost controlling had become the essential rules of enterprise survival. However, the most important job of product cost controlling is to depress the purchasing cost of the raw material. The price competition between the supplier and the commercial vehicle production enterprises is also very fierce, the outcome of this competition depends on the strength of the supplier and production enterprises. Generally speaking, if the vehicle brand is better and more sales, then it can have a relatively greater pricing power; In turn, if the strength of suppliers is more powerful, product technology content is higher, the market share is bigger, then it will be dominant in price competition.
    Because the high-grade commercial vehicles are basically the product of foreign joint venture in China, the brand also is introduced from abroad, so the foreign parent company also become its suppliers inevitably. In this case, the bargaining power of producers become very weak, some foreign companies use the inequality relations between supply and demand to transfer price and eat the interests of the joint venture. From this perspective, some medium and low commercial vehicle enterprises in domestic have a relatively strong bargaining power.




2, Competitive strategy analysis for commercial vehicle products 

    Commercial vehicle really need to improve the level of technology in our country. But China is a developing country, not a higher technology is more effective. Joint venture enterprise doesn’t have to bring their most high-grade technology, it must combine with characteristics of China’s market, improve the technology of the existing brand vehicle and maintain an appropriate price, only then do the enterprise have the market competitiveness. Unsuccessful joint ventures often desperately engaged in technology transfer, spent a lot of cost and naturally must raise the price, so the outcome was that they lost the market.

3, Expectation of competition pattern for commercial vehicle industry 

     In some cooperation projects which is operated by Sino foreign joint venture, the cooperation model also undergo significant changes, that is from using foreign brands and producing foreign models to running Chinese brands jointly and entering the international market together. This kind of change is based on the current situation of China's commercial vehicle market, China's commercial vehicle market has distinctive demand characteristic and unique product structure, so foreign truck products are not suitable for the Chinese market at the present stage. On the other hand, in this round of joint venture cooperation, the foreign strategy is more flexible than before, but the China's right to speak is gradually enhanced.
     Due to the impact of the international financial crisis, many commercial vehicle enterprises are trying to find new developmental opportunities, and the consequent, the market pattern of the global commercial vehicle including China is quietly changed. In the process of rewriting the commercial vehicle’s market pattern, Chinese enterprises are facing the challenges as well as the opportunities. For the domestic commercial vehicle enterprises , although China is the world's the most important and most potential market, the inevitable outcome of the development is going out. Therefore, how to utilize the limited period of growth to form the independent research and development ability and complete sales network in overseas markets will become the top priority in the development of enterprises. 

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June 08, 2015

How to buy auto parts

1. See qualified spare parts surface appearance, print or type and legible and formal there are both certain accuracy and polished finish, the more important parts, precision is higher, more rigorous rustproof packaging. When the choose and buy if foundauto partswith rust spots or rubber parts cracked, loss of elasticity, or shaft neck surface has obvious tool lines, shall be returned.
2. The bad work product appearance although on occasion, but due to poor craftsmanship, prone to crack, sand holes, slag inclusion, burr or bruised. Such as cylinder gasket extrusion deformation, when using, easy to cause the untight seal and ablation, lead to the oil, gas leakage and leakage phenomenon.
3. See "loose" made up of two or more than two parts, accessories parts by being connected, bonding or between welding and become, not allowed to have loose phenomenon.
4. See assembly mark in order to ensure the parts assembly relations conforms to the technical requirements, with some regular parts surface marker assembly, such as timing gear, piston top marks, such as assembly mark, mark is used to ensure theauto parts suppliers, without a sign or mark fuzzy cannot recognize, will bring great difficulty to assembly, or even wrong.


5. See gaps complete formal assembly parts must be in good condition, to ensure smooth loading and normal operation. Some assembly of small parts packing, may be a "gray", to cause difficulties for loading. May even for some smallauto parts manufacturerparts shortage, cause the whole assembly parts scrap.
6. The protective layer for the purposes of custody, knock against, prevent parts have protectiveauto parts productionbefore delivery. Such as piston pin, bearing bush with paraffin wax protection; Piston ring and cylinder liner surface rust-proof oil and paper package; Valve, piston, etc after immersion rust-proof oil encapsulated with plastic bag. When the choose and buy, if find seal set of damage, loss of wrapping paper, rust-proof oil or paraffin loss, shall be returned.
7. The certificate some important components, especially the assembly class, such as carburetor, distributor, generators, etc., factory generally with manual, certificate of approval, to guide users to install, use and maintenance.
8. See most auto parts have stipulated specifications and technical parameters. Such as electrical equipment of choose and buy when, should pay attention to check and be inauto parts onlineof the voltage and power are consistent.

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June 06, 2015

The relationship between the vehicle and the price of auto parts

At present, many factors which promote the price reduction of theauto partshave emerged. For example, the rapid growth in vehicle sales bring the auto parts’ mass production and domestic parts gradually replace imported parts, all of these will decrease in the cost of parts production. The entering of international manufacturers and other capital strengthen the accessories market competition and also promote the parts prices down. Unfortunately, the impact of the above factors are weaker than the vehicle manufacturers.Auto parts manufacturersmainly cooperate with the requirements of vehicle manufacturers, the price of auto parts in the 4S shop are mainly determined by vehicle manufacturers. When the vehicle manufacturers don’t feel the pressure from the consumer, they naturally won’t cut the price of spare parts.

clutch


So, why the consumer did not give the vehicle manufacturer with enough pressure? The reason is not complicated. The proportion that the buyer buy a new car for the first time is very high. These people lack the experience of the car, so the key consideration of purchase is the vehicle price, brand and appearance design. However, for the use of the car cost and the price ofspare parts, they pay little attention.
This is the case, the price of auto parts can down, but it is when, this will depend on the degree of consumer maturity and competition betweenvehicle manufacturers. When more and more consumers gradually rich the experience in the car, the attention to parts prices will gradually rise, too. At the same time, the fierce market competition will force the vehicle manufacturers to obtain competitive advantages from all aspects, at that time, the vehicle manufacturers will automatically cut the price of the auto parts.
The cost of buying a car is one-off defrayment, basically irreversible. But the cost of auto parts is uncertain, greedy and endless, so it must attract attention, especially, we should clearly understand this issue while we appeal against the extravagantprofits of auto parts. Study automotive repair and try to find some tips. on Based on the quality guarantee of maintenance, we spend less and cause less difficult. At the same time, when buying a car, it is important to note the supply situation of that car’s auto parts.

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June 02, 2015

The characteristics of the international auto parts industry

1, The trend of the supporting system and modular supply is in the ascendant

The increasingly fierce market competition forces the change of the whole car system: purchase a single component to purchase the whole one.The system is not only beneficial to oems to make full use ofspare parts enterprisesprofessional advantage, but also can simplify the work and shorten the development cycle of new products. Parts suppliers must have a stronger technology development strength so that it can provide more system products and technology for the vehicle assembly plant. The more and more manufacturers are involved in the development and research of new products, its technical and economic strength is becoming more and more powerful.
On the basis of supporting system, biggerauto parts manufacturingenterprises put forward the concept of modular supply. The so-called module refers to the highly integrated and multi-function large parts which is formed by the arrangement of components and systems. In the modular supply, parts enterprises take up many development work of new products and technology. Not only in the product, but also in technology, Oems more and more depend on parts manufacturers, soauto parts onlinein the automotive industry has played more and more important position.



2,Procurement Globalization

Under the background of global integration, facing the increasingly fierce competition, in order to reduce costs, the world's major car companies expand the production scale while gradually reduce the self-making ratio of auto parts and use parts global sourcing strategy. Meanwhile, in order to obtain greater benefits, the international parts suppliers reduce or even stop the production which is un competitive advantage, lower value-added and technical content, they purchase comparative advantage products in the worldwide.

3, Accelerated the speed ofindustrial transfer

In Japan, Europe and the United States and other developed countries, relatively high labor costs result in lack of cost advantages in the production of auto parts products. In order to cope with the market competition, largeauto parts suppliersin Europe and the United States accelerated the speed of industrial transfer, countries such as China and India have become major destinations attracting the industry transfer of global auto parts. 　


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June 01, 2015

Emerging Trends in Automotive Engineering

Not too many people knowautomotive trendsthe way the staff does at The Ohio State University's Center for Automotive Research (OSU CAR). This interdisciplinary research center at OSU's College of Engineering focuses on advanced electric propulsion and energy storage systems, engines and alternative fuels, intelligent transportation and vehicular communication systems, autonomous vehicles, vehicle chassis systems, and vehicle safety.
Other engineering trends focus on improving transmissions (adding speeds), accessory load reduction through the intelligent energy management of otherauto parts online, vehicle electrification, hybridization, improved battery management systems, new battery chemistries, and power electronics.
"Weight reduction in vehicle subsystems is also being tested by using lightweight structures made from alternative materials such as aluminum, magnesium, composites, plastics, and multi-material construction," adds Rizzoni.



Battery Systems

Battery management systemsare being designed to meet performance, life, and warranty goals for both batteries and their monitoring and management systems. "Automakers need to fully understand how varying operational limits affect the life of battery systems through extensive testing and modeling, followed by developing sophisticated algorithms to track and predict various parameters, such as state of charge and state of health through the life of the battery," comments Rizzoni.

Downsizing and Turbocharging

The two main benefits in downsizing an internal combustion engine are thermodynamic and mechanical. "From a thermodynamic point of view, the engine operation will move towards higher loads, at which the engine efficiency is higher," says Rizzoni. "From the mechanical point of view, the positive aspect lies in the reduction of the friction in the piston units, together with the reduction of the number ofauto parts manufacturer."
Downsized engines are lighter than conventional engines, thereby reducing vehicle mass and the improving vehicle fuel consumption. Turbocharging recovers the energy of the exhaust gasses to increase the inducted charge, therefore increasing the power-to-displacement ratio. "A downsized and turbocharged engine has the potential to have the same or better performance as a non-downsized, normally aspirated engine, with the advantage of a significant increase of fuel efficiency," says Rizzoni.

Advanced Combustion Modes

Engineers are working to increase the efficiency of internal combustion engines by developing severaladvanced combustion modes. One of these modes is called (homogeneous charge compression ignition) HCCI. In the HCCI combustion, a highly homogenized mixture of air, fuel, and combustion products from the previous cycle is auto-ignited by compression. "This combustion mode aims at combining the advantages of modern diesel and gasoline combustion processes, namely low emissions and high efficiency," states Rizzoni.
Another research trend targets ways to recover the energy that is normally dissipated through the coolant and the exhaust gas systems of automotive powertrains using innovative waste heat recovery devices. These systems can convert thermal energy into mechanical or electrical energy, thus increasing the overall efficiency of the vehicle. Organic Rankine cycle, thermoelectric systems, turbocompounding, and recuperative thermal management systems all have potential for significantly increase engine efficiencies.


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