Cars and Bikes Info

Descriptions :

                In This Pages Describes about the   Upcoming Cars and Bikes. Here The Different Links are there you can easily get ideas. By viewing Different Links

 

Before Going to The Links Just we saw about the Basic Parts and Fucnctions of Cars and Bikes :

 
What is Engine?
            Energy comes to us in many forms. Usually, though, it does not come in the correct form to produce power for our transportation. A transportation device, such as a car, typically needs different types of power. For example, mechanical energy is needed to push a car forward. Electrical energy is required to operate its headlights.
Gasoline and diesel engines are examples of energy converters. Energy converters are designed to accomplish one purpose: to convert energy into useful work. Engines convert the energy stored in fuels into power or mechanical energy, which is used to operate the vehicle.
If you look under the hood of a car or a truck, you will see a heat engine. A heat engine is a device that uses heat energy to do work. The engine does work by changing heat energy into motion.


The Internal Combustion Engine :    
                                    Heat engines come in two basic types: external-combustion and internal-combustion. Fuel for an external-combustion engine is burned outside the engine. Fuel for an internal-combustion engine is burned inside it.
Steam engines are external-combustion engines powered by steam produced outside the engine by using a fuel, such as coal, to boil water.
The internal-combustion engine is the most common type of engine used today. Typical automobile engines are internal-combustion engines, as are the engines in boats, lawn mowers, and home generators.
Internal-combustion engines may be either reciprocating or rotary. The reciprocating engine, with pistons that move back and forth, is the type used in most automobiles. In a rotary engine, such as a jet turbine, power is supplied directly to vanes or other rotating parts
                             

Maintanace of Engine :

                          Regular maintenance is absolutely imperative if you want a diesel engine to last, and every diesel owner will probably encounter some pitfalls and problems. Although diesel engines require no ignition tune-ups and tend to last longer without major repairs than gasoline engines, they do require regular low-cost maintenance, mostly in the form of frequent oil and filter changes. The urea injection systems that reduce nitrogen oxide emissions also need refilling, which is usually done as part of regularly scheduled maintenance.
If you own a conventional gas-powered vehicle and you get sloppy about maintenance and don’t change the oil often enough, you’ll probably end up with an engine that has aged prematurely. If you own a diesel and do the same thing, you may end up with an engine that’s prematurely dead. The same goes for changing filters: A dirty fuel filter can impair a conventional vehicle’s performance, but dirty fuel can clog a diesel’s fuel injection system, and you may need expensive professional help to get back on the road again.
As a rule, you shouldn’t try to clean or adjust a diesel’s fuel injectors yourself, but if you maintain your vehicle according to the directions in the owner’s manual, they can last 100,000 miles or more. After all, truckers have always preferred diesels because they find them to be tough, reliable, and cheap to run and maintain.
Most diesels are designed so that the owner can perform regular maintenance chores without an undue investment of time and money.
If your owner’s manual doesn’t advise you on a specific maintenance task, or if you have no manual, amble on over to your dealership’s parts department and ask to see a copy of the service manual for your vehicle (some bookstores and public libraries may also have them). A quick look at the proper sections should tell you whether you can do the job yourself. If you’re not sure, ask one of the service advisors at your dealership to show you where the oil, air, and fuel filters are located and what’s involved in changing or servicing them. Most service facilities are pretty nice about that kind of thing.
Typical maintenance tasks include:
  • Changing the lubricating oil
  • Changing the air filter
  • Changing the fuel filter
  • Bleeding the fuel system
  • Draining the water separators

Gearbox maintenance - lubrication & vibration analysis

                                                         Besides gearbox repair, equally important is discovering the root cause of the gearbox failure in order to avoid unplanned machine downtime in the future. To pinpoint equipment failure we perform oil analysis, vibration measurements and thorough visual inspection, for instance examination of abrasive wear patterns and gear tooth pitting.

Root Cause Failure Analysis
To determine failure root cause we perform both oil analysis and vibration analysis combined with visual inspections. These diagnostic techniques are usually required to monitor the condition of plant machinery and to control the causes of machine failure.

Gearbox lubrication - oil analysis
In many cases, gear and bearing problems result from contaminated or insufficient oil. Oil filter contamination could cause bearing failure and gear tooth damage. Sometimes insufficient lubrication causes metal-to-metal contact with abrasive wear as a result.

Oil analysis provides important information on wear modes and possible gearbox lubrication problems. On the other hand, visual inspections of wear patterns and gear tooth pitting can reveal lubrication problems e.g. oil leakage or improper lubricants.

Vibration analysis
Vibration analysis is an effective technique for monitoring the condition of the gears and bearings and determing the root cause of machine failure. We are able to carry out on-site vibration measurements detecting various sorts of gearbox problems:
  • gear damage (e.g. scoring, abrasive wear)
  • bearing defects (cage fractures, inner/outer ring damage)
  • alignment errors
  • looseness
  • imbalance
  • resonance areas

Wheels Out of Alignment?

                                           Serious problems can result from wheels that are out of alignment.  To begin with, when wheels are misaligned, it causes the tires to wear out quickly.  This leads to unnecessary expenses on tire replacement that can be avoided by simply making sure that the wheels are properly aligned.  Additionally, misaligned wheels cause problems with the stability of the automobile.  When the alignment is out on a vehicle, it tends to pull to the right or left.  In addition to stability issues, misaligned wheels cause problems with steering and maneuvering.  All of these issues make wheel alignment important to not only the functioning of the automobile, but also to the safety of the passengers in the car.
As most people know, the wheels and tires are extremely important to the proper functioning of a car.  Wheels or tires that need replacing can cause serious functionality and safety issues for cars.  Moreover, even wheels that do not require replacing can still cause issues if they are not serviced when necessary.  There are several measures that drivers must take to regularly maintain their wheels and tires, but keeping them properly aligned is at the top of the list.
Many people confuse wheel alignment with wheel balancing, but the truth of the matter is that the two procedures are very different.  Wheel balancing has to do with ensuring that the weight of the wheels is evenly distributed to ensure proper spin.  Wheel alignment, on the other hand, involves making sure the angles of the wheels are properly adjusted so that the wheels sit perpendicularly to the surface of the road.  It is important that both balancing and alignment are performed regularly, and the technicians at Accurate Automotive are best equipped to do the job.
What exactly is alignment?
Alignment is a combination of all of the vehicle’s components that are used to make the car or truck go straight.  If even one of these components is in need of adjustment or repair, the vehicle becomes unsafe to drive and leads to further problems down the road.  More specifically, proper wheel alignment is when three distinct measurements are in line.  These measurements are called caster, camber and toe. On some of the more modern cars, however, caster and camber have been eliminated by a McPherson strut, and the toe is all that must be adjusted.
What is caster?
Caster is the measurement beginning at the steering axis and ending at the opposite axis, when viewed from the side of the car.  In other words, it is whether the vehicle is at its proper height at both the front and rear of the vehicle.  Because the vehicle’s height is ultimately what impacts caster, worn springs can lead to caster problems, as can modifying a vehicle with a lift kit.  When caster is out, the vehicle can pull to the right or left.
What is camber?
Camber is the degree to which the vehicle’s wheels are angled when viewed from the front end of the car or truck.  While there is always a certain degree of camber, it is important that there is not an unequal camber between tires.  When the camber is unequal, the vehicle will pull to the side with the most camber.  Camber issues can lead to uneven or premature tire wear.  It can also cause problems with the vehicle’s suspension.
What is toe?
Toe measures the degree to which the vehicle’s wheels are pointed in or out.  Generally, every single vehicle has a slight toe to ensure that the wheels rotate parallel.  When toe is off even slightly, drivers will experience vibrations while driving.  Toe problems will also lead to issues with tires such as premature or uneven wear.
 
Every time a driver replaces the wheels or tires on his or her car, a wheel alignment should be done.  This only makes sense, as who wants to invest money in new wheels only to install them in such a manner to maximize wear and tear?  To ensure that the wheels are properly aligned, drivers need to have their wheels installed by a technician with expertise.  The technicians at Accurate Automotive have years of experience and have developed a reputation for service.  Drivers who need wheel alignment in Mesa, AZ can count on Accurate Automotive to provide the highest degree of service and attention.
Gilbert, AZ drivers should at the very least understand that neglecting alignment problems might lead to further problems down the road.  New tires are never cheap, and at the very least, neglecting alignment issues will pretty much ensure that drivers will have to replace them more frequently.  Moreover, minor alignment issues that are left unresolved can lead to major suspension issues.  In short, it makes simple economic sense to remedy alignment issues before they lead to something more costly and labor intensive.
When it comes to wheel alignment, Mesa, AZ residents can count on Accurate Automotive to provide the highest quality service at the most reasonable price.  Wheel alignment is one of the most important maintenance steps that people should take with their cars, and Accurate Automotive would like to help people understand why.  It is this principle of keeping customers informed about their vehicles and the service that is required that sets Accurate Automotive apart from the competition.  The technicians at Accurate Automotive always do their utmost to keep their customers in the loop and well informed of any maintenance or repairs that are required.  In a continuous effort to do this, Accurate Automotive offers this information about the importance of wheel alignment.

Power steering manitanance :

                          Power steering helps drivers steer vehicles by augmenting steering effort of the steering wheel. Hydraulic or electric actuators add controlled energy to the steering mechanism, so the driver needs to provide only modest effort regardless of conditions. Power steering helps considerably when a vehicle is stopped or moving slowly. Also, power steering provides some feedback of forces acting on the front wheels to give an ongoing sense of how the wheels are interacting with the road; this is typically called "rοad feel".
Representative power steering systems for cars augment steering effort via an actuator, a hydraulic cylinder, which is part of a servo system. These systems have a direct mechanical connection between the steering wheel and the linkage that steers the wheels. This means that power-steering system failure (to augment effort) still permits the vehicle to be steered using manual effort alone.
Other power steering systems (such as those in the largest off-road construction vehicles) have no direct mechanical connection to the steering linkage; they require power. Systems of this kind, with no mechanical connection, are sometimes called "drive by wire" or "steer by wire", by analogy with aviation's "fly-by-wire". In this context, "wire" refers to electrical cables that carry power and data, not thin-wire-rope mechanical control cables.
In other power steering systems, electric motors provide the assistance instead of hydraulic systems. As with hydraulic types, power to the actuator (motor, in this case) is controlled by the rest of the power-steering system.
Some construction vehicles have a two-part frame with a rugged hinge in the middle; this hinge allows the front and rear axles to become non-parallel to steer the vehicle. Opposing hydraulic cylinders move the halves of the frame relative to each other to steer.

 
 
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