...Dog Clutch: * A dog clutch is a type of clutch that couples two rotating shafts or other rotating components not by friction but by interference. The two parts of the clutch are designed such that one will push the other, causing both to rotate at the same speed and will never slip. * Dog clutches are used where slip is undesirable and/or the clutch is not used to control torque. Without slippage, dog clutches are not affected by wear in the same way that friction clutches are. * Dog clutches are used inside manual automotive transmissions to lock different gears to the rotating input and output shafts. A synchromesharrangement ensures smooth engagement by matching the shaft speeds before the dog clutch is allowed to engage. Friction Clutch: * A clutch is a mechanical device that provides for the transmission of power (and therefore usually motion) from one component (the driving member) to another (the driven member) when engaged, but can be disengaged. * The vast majority of clutches ultimately rely on frictional forces for their operation. The purpose of friction clutches is to connect a moving member to another that is moving at a different speed or stationary, often to synchronise the speeds, and/or to transmit power. Usually as little slippage (difference in speeds) as possible between the two members is desired. Cone Clutch: * A cone clutch serves the same purpose as a disk or plate clutch. However, instead of mating two spinning disks, the...
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...Leakages through Carrier Housing Gasket 5. Rear Hub Inner / Outer Bearing Pitting 6. Hub Play Excessive " "1. Rear Axle Crown wheel Pinion Teeth Damaged 2. Excessive Backlash 3. Rear Axle Shaft Breakage 4. Tail Pinion Oil Seal Leakages / Oil Leakages through Carrier Housing Gasket 5. Rear Hub Inner / Outer Bearing Pitting 6. Rear Tandem Axle Dom Plate Oil Leakages " 3 Propeller Shaft "1. Propeller Shaft Flange Mounting Bolt Loose 2. Worn out propeller shaft universal joint 3. Splines on rear prop.shaft/sliding yoke worn out 4. Propeller Shaft Bent 5. Improper Phasing of Propeller Shaft / Sliding Yoke Not Algned Properly 6. Front / Rear UJ Cross Broken / Daamged 7. Center Bearing Bracket Damaged / Early Rubber Worn Out " 4 Clutch...
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...When someone refers to a manual, standard, or stick shift, they are talking about a car that has a clutch pedal and a gear shift that has gears one through five instead of park, neutral, reverse, drive, and first and second gear. Before even attempting to drive a standard, you should research the topic. It is a good idea to broaden your knowledge about standards before even attempting to drive them because it gives you a better idea of the process. Youtube videos or verbal directions can help you understand what the clutch is actually doing and why shifting needs to be done at a certain time. Articles can also provide pictures that deepen the understanding of what the transmission is actually doing. Sitting in the passenger side while a family member or friend drives is also very beneficial because it gives you a real world demonstration of how to drive a standard. However, nothing is more valuable in your journey to learning how to drive stick than actual hands-on while in the driver’s seat. The second step in learning how to drive a standard is getting the car started. A big difference between an automatic and standard car becomes clear as soon as you sit in the driver’s seat; there are three pedals in a standard. The pedal on the far left is the clutch. The middle pedal is the brake, and the pedal on the far right is the gas or accelerator. Your left foot will use the clutch while your right foot...
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...automatic transmission individually. For transmission mode refer Fig. 1. Abstract— “Which transmission car is better?” is the most commonly raising question in every persons mind while buying a car in recent times. Which is followed by questions like “which is suitable for my need?”, “Which is more efficient?”, etc. Main thing that arises is about the fuel consumption and initial cost for automatic and manual transmission car. The presence of the clutch pedal plays an important role in manual transmission, which is absent in automatic transmission. This study tries to answer many questions that aeries for both transmission. It gives study about the comfort level in automatic and manual transmission car. Also gives deep study for the maintenance and initial cost of automatic and manual transmission car. Also deals with the advantages and disadvantages of both the automatic and manual transmission car. At the end of this study one can get all the answers related to the automatic and manual transmission. Keywords— Clutch, Automatic Gearbox, Manual Gearbox I.INTRODUCTION I N the recent times the craze for automatic transmission car has increased to great extent. Many people are attracted towards automatic transmission car. But it didn’t decrease the sale of manual transmission car. Many companies of car manufacturing has manufactured both automatic and manual transmission car. A transmission...
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... Introduction The clutch is simply the connection between the engine and transmission. In a vehicle with a manual transmission you need a clutch because the engine spins all the time and the car wheels don't. In order for a car to stop without causing the engine to die, the wheels need to be disconnected from the engine somehow. That's where the clutch comes in! It allows for a gradual application of engine rpms to the transmission input shaft. It also allows for an interruption of power to help shift gears without grinding. Diagram of Clutch [pic] Diaphragm Clutch How a clutch engages and releases When the clutch pedal is pressed, a cable or hydraulic piston pushes on the release fork, which presses the throw-out bearing against the middle of the diaphragm spring. As the middle of the diaphragm spring is pushed in, a series of pins near the outside of the spring causes the spring to pull the pressure plate away from the clutch disc (see below). This releases the clutch from the spinning engine. |[pic] | |Photo courtesy Carolina Mustang | |Clutch plate | Note the springs in the clutch plate. These springs help to isolate the transmission from the shock of the clutch engaging. ...
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...(Emergency brake) is already in engaged. If not, do so. Make sure the car is in neutral. That means that the car is not in gear, also it another way you can tell is if the shifter can move horizontally back and forth. As you can notice there are 3 pedals. The pedal to the far left is called the clutch. Be aware that in some cars the e-brake can also be on the far left, but it’s easy to figure out which one is which. The middle is the break and the far right is the gas. Press the break and the clutch pedal together and turn the key. Once the engine turns on you can let go of the break and the clutch and your car should sit at an idle (when car is on and in park or neutral). Let the car warm up first. This process should take about a minute. Then you’re ready for the next step Step 2: Start by pressing in the clutch and brake in at the same time. Also by doing so you want to release the e-brake. You’re brake pedal is your stopping power. If you’re on a hill keep in mind that you with roll down it, if not master the technique. The goal is to move forward, so you want to take your foot off the brake and slowly press the gas at the same time as you let off your right foot off the clutch. Starting on flat road or area when attempting it. When the car is move forward your...
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...significantly. Maybe, the features and quality of product are not changed greatly but the customers cannot use the new product as easy as before so they have to change their behaviors dramatically. To give an example about this category, in past years, all types of cars were produced as manual gearbox. First automatic gearbox cars were produced in 1958. When we look at the changing of the gearbox, we cannot see major differences between both manual and automatic gearbox cars but the usage of these cars are different from each other. There are a lot of people who use automatic gearbox cars but cannot use manuals or just the opposite. To get used to automatic gearbox cars, people have to change their behavior dramatically. For instance, there is no clutch lever at automatic gearbox cars. Although, there is a significant innovation, many people do not prefer automatic gearbox cars because they believe that this types of cars are not worked full effectively if their engine is not strong. Also, driving pleasure of manual is more pleasant than automatics’ for many manual gearbox car users. They believe that, their own cars create more value for them. Because of different reasons and personal desires, innovators’ and customers’ thoughts can be differ in terms of different aspects. Long hauls are significant and very beneficial innovations for people. It offers technological leaps, creates great product modifications and value. Also, significant behavior change required to take advantage of this...
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...Company Background Clutch Auto, established in 1971, is India's largest clutch manufacturer and exporter with over threedecades of undisputed leadership. Its production facility is located at Faridabad. The company enjoys over60% market share in tractors and commercial vehicles (CVs). Its clientele includes Tata Motors, AshokLeyland, Maruti Udyog, Mahindra & Mahindra, Bajaj Auto, TAFE, Toyota, BEML, Escorts and State-runtransport undertakings. In CVs, it is a major supplier to Tata Motors with a 60% market share. It hasdominant market share of 80% in tractors and supplies to all manufacturers in India. CAL is growing both organically and inorganically. In FY05, it expanded clutch plate capacity by 122% to2 millions pieces and trebled clutch cover capacity to 1.5 millions pieces at capital expenditure (capex) ofover Rs 5 crore. It acquired the clutch division of Pioneer Inc, US, in March 2006, which was renamedPioneer Clutch Inc. Thrust on exports CAL is targeting the US heavy-duty clutch market (estimated at $550 million) with its patented products.The acquisition of the clutch division of Pioneer Inc will strengthen its foothold in the US. Pioneer is aquasi manufacturing and distribution company in the US with a warehouse facility of over 55,000 squarefeet, access to 7 warehouses, 20 marketing networks, sales force of over 100 people, and most importantlya client base of 500 companies in the replacement market. Pioneer's established distribution would helpCAL acquire...
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...Signs You Shouldn't Ignore Concerning Your Transmission As you may know, your transmissions is one of the main components of your vehicle. It is what keeps your car moving as well as helps hold it in place. Therefore, if it starts acting up, you need to get it looked at immediately. But, how do you know if it is acting up. Below you will find a few signs that should never be ignored. Transmission or Clutch Slipping This is one of the most common transmission issues, yet it is also one of the worst. With how important the transmission is it is understandable that a slipping transmission is dangerous. This often seems like it is popping out of gear. It is also accustomed with a high whine. If you have a manual and you learn your clutch is...
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...Submitted By, PRATIK CHATTERJEE ROLL-40 REG NO:1226112240 SEC-B FACULTY, Dr. CH VENKATAIAH OPERATION STRATEGY IN SERVICE: Jet Airways and Indigo. Both are India’s fastest-growing domestic market in aviation. OBJECTIVE AND STRATEGY: Jet Airways: Jet Airways objectives achieve consistent profitability, achieving healthy, long-term returns for the investors and providing its employees with an environment for excellence and growth. 1. Changes to its cost structure. 2. Factors affecting demand in international travel to and from India, including the general condition of the global economy. 3. Operational, financial, marketing and legal challenges (including compliance with foreign laws) that are different from those that we currently meeting. 4. Its ability to operate and manage in a cost effective manner, a larger operation. 5. Ability to secure a sufficient number of additional aircraft on favorable lease or purchase 6. Its ability to trained sufficient numbers of pilots, flight crew and engineers with international experience. In-flight services of Jet Airways: 1. Jet Screen offers a virtual feast of entertainment for the guests- from blockbuster movies to the latest music albums, from award-winning TV shows to the best games, experience a journey that redefines in-flight entertainment...
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...that you can know how when to adjust the gears also, don't forget to wear your seat belt. Secondly, you will need to learn to identify the pedals. In a manual car, there are three pedals. The pedal to the far right is the gas, also known as the accelerator, the middle pedal is the brake and to the far left is the clutch. The third step, one of the most important steps, is to learn what the clutch does. The clutch disengages the engine from the driveshaft allowing you to shift the gears on your transmission. Before you switch gears, the clutch must be depressed. Fourth step is to find the clutch pedal - the one to the far left - when you have identified the clutch begin to press it down and hold it to the floor. Also, it is a good idea to get used to steadily and slowly releasing the clutch. After you feel comfortable with the clutch you will move the shift knob into neutral. Neutral is the middle position that feels free when moving the shifter from side to side. When you are in neutral, the vehicle is now considered out of gear. This will be the fifth step. Sixthly, to start the engine you will have to push the clutch fully to the ground, while holding the clutch to the...
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...and they will more than likely stay with that transmission. Compared to a fifteen year old that lived in Europe or Japan. Even though automatics are far more advanced than a manual transmission, that doesn't make them superior because manual have health benefits, are more cost efficient, and engage the diver in the driving experience (“More Americans”). When you drive a automatic car you sometimes feel like you aren't as engaged in the road that you are just going from A to B. You really aren't enjoying the road that got you there. Even though you can pick the transmission that is going to be far simpler. With an automatic transmission you wont have to deal with a clutch pedal or having to look at your rpms so you know when you have to shift gears you let the transmission do all the work. Instead of having a clutch in the car which would be in a manual car you have what is called a torque converter. The torque converter is connected to the engine by the flywheel. A torque converter works by limiting the amount of power that is transferred to the shells. If the cars are stopped the torque converter only lets a small amount of power to the wheels so the driver only has to add a small amount of pressure to the brake pedal he/she does not roll forward. Due to the small amount of power that is transferred to the wheels to car will not roll forward unless you have on a steep hill and if the weight of the car is not equal to the amount of power that is being transferred to the wheels...
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...UNIT 2 FRICTION Structure 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 Introduction Objectives Friction Types of Friction Laws of Dry Friction Static and Kinetic Friction Coefficient of Friction Angle of Repose Least Force Required to Drag a Body on a Rough Horizontal Plane Horizontal Force Required to Move the Body Screw and Nut Friction 2.10 Self-Locking Screws 2.11 Condition for Maximum Efficiency 2.12 Screw Jack 2.13 Pivot and Collar Friction 2.13.1 Flat Pivot 2.13.2 Conical Pivot 2.13.3 Collar Bearing 2.14 Clutch 2.15 Types of Clutches 2.15.1 Conical Clutch 2.15.2 Single Plate Clutch 2.15.3 Multi Plate Clutch 2.16 Journal Bearing 2.17 Rolling Friction 2.18 Ball and Roller Bearings 2.19 Summary 2.20 Key Words 2.21 Answers to SAQs 2.1 INTRODUCTION When a body moves or tends to move on another body, a force appears between the surfaces. This force is called force of friction and it acts opposite to the direction of motion. Its line of action is tangential to the contacting surfaces. The magnitude of this force depends on the roughness of surfaces. In engineering applications friction is desirable and undesirable. We can walk on the ground because of friction. Friction is useful in power transmission by belts. It is useful in appliances like brakes, bolts, screw jack, etc. It is undesirable in bearing and moving machine parts where it results in loss of energy and, thereby, reduces efficiency of the machine. In this unit, you will study screw jack, clutches and...
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...First you have to turn on the car by pressing down on the clutch and turning the key while the stick shift is in neutral and the brake is on. Second, put your foot on the brake and let go of the emergency brake. Third, put the vehicle in fist gear while holding down the clutch. Fourth, slowly release your foot off the clutch at the same time as you accelerate with the right foot. To switch into a higher gear wait until the R.P.M.'s reach around 3,000 and then let your foot off the accelerator and press down the clutch and change into the next higher gear. The same steps follow when switching into any higher...
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...It is not as simple as parking an automatic and just putting the car in park. I remember the first time driving my manual by myself and getting where i was going and calling my mom in a panic because i could not figure out how to park and turn of the car without just killing it, I was too embarrassed to call my dad. To park one will push the clutch in and press the brake and put the car in first and turn the car off. Now the clutch and brake can be released. “Why does putting your vehicle in gear help? By putting the vehicle in gear, you're making a direct mechanical connection between the engine and the wheels. You're making it so the wheels can't turn unless they force the engine to turn.”(Learn to Drive Stick) Parking i would say now is...
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