Chassis is a French term pronounced as – “chassi”. Initially used to
denote the frame parts or basic structure of the vehicle. It’s like the
skeleton of the vehicle. The automotive chassis is tasked with holding all the
components together.It is use to hold the weight of all the components.
Generally there are following six types of chassis:
- Ladder frame
- Backbone chassis
- Space frame
- Monocoque chassis ULSAB Monocoque chassis
- Audi aluminium space frame
LADDER FRAME CHASSIS
A ladder frame is the simplest and oldest frame used in modern vehicular
construction.
Two long beams that run the length of the vehicle and provide a
strong support for weight and originally based on a carriage design.
Frame is made of two members that run along the length of vehicle and
are mainly load bearing.
BACKBONE CHASSIS
Easy to manufacture and economical for low volume production. Most
space saving other than monocoque. No
protection against side impact. Used in small
sports cars
TUBULAR SPACE
FRAME
A nodal triangulated truss network that attempts to distribute all loads
into axial directions Space frame has small tubes that are only in tension and
compression and has no bending or twisting loads
MONOCOQUE CHASSIS
Monocoque means single shell. A monocoque chassis consist of both the
frame and the body. By this frame we can obtain good aerodynamics for the
vehicles. Monocoque chassis also benefit crash protection. Because it uses a
lot of metal, crumple zone can be built into the structure.
USLAB MONOCOQUE CHASSIS
Enter the 90s, as tougher safety regulations ask for more
rigid chassis, traditional steel monocoque becomes heavier than ever.
American's steel manufacturers hired Porsche Engineering Services to
develop a new kind of steel monocoque technology calls Ultra-Light Steel
Auto Body (ULSAB). Hydro form is a new technique for shaping metal to
desired shape.
AUDI ALUMINUM SPACE FRAME
A technology that blends mass manufactured monocoque design with large
cross section aluminium members.
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