Ladder Frame simple diagram The Chassis has the following functions. It Supports or bears the load of the vehicle body Provide the space and mounting location for various aggregates of vehicle Supports the weight of various systems of the vehicle such as engine , transmission etc.
Supports a load of passengers as well as the luggage Withstands the stresses arising due to bad road conditions Withstands stresses during braking and acceleration of the vehicle Various types of Frames: Depending upon the application, some of the main types of frame are as below:.
Get Car Bike Tech directly in your inbox. What is a Chassis and what are its types? You May Also Like. What is Cruise Control system in cars? How Adaptive Cruise Control System works in a vehicle? Channel section is employed in long members and box section is employed cross members. Tubular section is used nowadays in three-wheeler, scooters and matadores, pick-up frames.
The frames should be strong enough to bear the load, sudden brakes, and accidents. The various components of a motor vehicle are bolted directly either on mainframe members or cross member of the frame. But sometimes, the engine and gearbox are carried on a sub-frame of simple construction. The sub-frame is supported by the mainframe usually at three points. The object of this arrangement is to isolate these components from the effect of twisting and flexing of the mainframe.
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Chassis and Types. What is Chassis? Types of Chassis 3. What is Frame? Working of the Frame. Types of Chassis Frames 6. How Frame is Made?
What is Sub-Frames? Enter your email address Sign Up. Download now. Advantages Easier to assemble as parts can be easily put in. Construction method makes it quite tough. Easier to fix as parts are not permanently attached. Disadvantages The ladder chassis has a weak torsional rigidity making it bad for cornering.
Heavyweight makes it not ideal for sports cars or hatchbacks. Advantages Due to its construction, the half axle has better contact with the ground when off-roading. The driveshaft is covered by the chassis makes it more likely to survive off-roading. The structure has good torsional rigidity allowing it to withstand more twist than ladder chassis. Disadvantages The driveshaft repair is complicated if it fails as the main chassis covers the entire shaft which makes it necessary to open it.
The manufacture of backbone chassis is quite expensive which increases the cost of cars it is in. Monocoque Chassis Monocoque A unibody structure, it too gets its name from its structural look. The chassis is easy to repair as well. It has superior torsional rigidity. Producing it in small quantities is not financially feasible and thus it cannot be used for cars that are not mass-produced. Tubular chassis Tubular Chassis Tubular chassis were mainly used in race cars due to the unrivalled safety they provide.
Advantages Better rigidity compared to other chassis in the same weight. Best choice for race cars due to lightweight and better rigidity than other chassis. Disadvantages Tubular chassis are complex structures and cannot be made using autonomous methods. Tubular chassis are time-consuming to build and cannot be mass-produced. Not feasible to be used on passenger cars. The structure raises the door which makes it difficult to access the cabin.
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