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Section 4 Features and Composition of Automobile Body

I. Features of Body

Because the body is integral body construction, the main body is concurrently used as frame to support all

load. The 3-compartment-5-door layout adopted gets the space availability the biggest and favorable to

arrange the space of drivers and passengers. (Figure 5-21)

Figure 5-12 Outside Dimensions

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1. Material Of punching Parts

In order to improve the rigidity of the body, high-tensile steel plate is adopted in many key parts of the

body to reinforce the body on the place that force concentrates (Figure 5-22).

(Figure 5-22) High-Tensile Steel Plates

1. Engine Hood Outer Plate

 2. LH/RH Fender

3.  LH/RH Central Pillar Inner Plate

4. Trunk Lid Outer Plate

5. LH/RH Door Outer Plate

2

1

3

5

4

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In order to avoid corroding and effectively extend the service life of the punching parts, galvanized steel

sheet with different specifications is widely adopted on the body (Figure 5-23).

(Figure 5-23) Galvanized Steel Plates

1. LH/RH Mudguard Reinforcement

2 Cowl  Upper Baffle

3  Radiator Support

4 LH/RH Front Mudguard

5 LH/RH Front Side Member

6 Front Low Cross Member

7 Rear Floor 2nd Cross Member

8 LH/RH Rear Floor Side Rails 9 LH/RH Floor Side Member Inner

Plate 10 Cowl Lower Cross Member  11. Cowl Panel

2. Vibration Reduction And Sound Insulation

1

1

1

1

1 Take measures on the structure of the body

a. Reasonably layout reinforcing ribs to improve the rigidity of parts and to reduce noise by restraining

vibration.

b. Fill the floor joint seam with sealant to strengthen the floor sealing and weaken the noise.

c. Increasing the thickness of the cowl is very effective to insulate sound. The cowl is adopted

sandwich structure, (Figure 5-24) that is, the cowl is welded by two steel plates (Cowl and heat

insulating board), and in the interlayer of the 2 plates lies a heat insulating pad (the material of it is

asphalt piece).

8

7

5

4

4

2

1

9

10 

6

3

11

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5-24 

 

1.

 2.

3..

 4.

 

Figure 5-24 COWL

1. Cowl 2. Heat Insulating Protecting Board 3. Front Cross Member 4. Heat Insulating Pad