TRADE OF VEHICLE BODY REPAIR - eCollege

More documents

Recommendations

Info

Module 3– Unit 4 The Safety Cage The safety cage (or safety cell) is the central section of the car body which acts as the passenger compartment. To ensure passenger safety, all body apertures around the passenger area should be reinforced by box-type profiles: seats should be secured rigidly to the floor and heavy interior padding should be used around the dashboard areas. A strengthened roof construction, together with an anti-roll bar, are additional protection in case of overturning. The counteract side impact manufacturers are now fitting, in both front and rear doors. Lateral side supports in the form of twin highstrength steel tubular beams, which are set 90mm apart to reduce the risk of the vehicle riding over the beams during side collision. These beams absorb the kinetic energy produced when the vehicle is struck from the side. To further improve the body structure the BC pillars are being reinforced at the points of attachment to the sill and roof, again giving more strength to the safety cage and making it stronger and safer when the vehicle is involved in a collision. Visibility in design is the ability to see and be seen. In poor visibility and after dark, light sources must be relied upon. The lights on vehicles now are much more efficient than on earlier models. The old tungsten filament lamp has given way to quartz-halogen lamps which provide much better illumination. The quartz-halogen lamp is able to produce a more powerful beam because the filament can be made hotter without shortening its lifespan. Hazard, reversing and fog lights are now fitted to most vehicles to improve safe driving. In daylight, colour is probably the most important factor in enabling cars to be seen. If a vehicle is coloured towards the red end of the spectrum, it can be less obvious to other road users than a yellow one, especially in sodium vapour street lights: a red car absorbs yellow light from the street light and reflects little and so appears to be dark in colour. Whereas a yellow car reflects the yellow light and appears more obvious. Silver vehicles will blend into mist and fog and become difficult to see. Blind spots can be diminished firstly by good design of front pillars, making them slim and strong and secondly by reducing the area of rear quarter sections. This elimination of blind spots is now being achieved by using bigger windscreens which wrap round the front A-post, and rear windows which wrap round the rear quarter section, giving a wider field of vision. Many automotive manufacturers now believe that a seatbelt/airbag combination provides the best possible interior safety system. Airbags play an important safety role in the USA since the wearing of seatbelts is not compulsory in many states. Vehicle Body Repairs - Phase 2 23
Module 3– Unit 4 As competition to manufacturer Europe’s safest car increases, more manufacturers including those in the UK are starting to fit airbags. These Eurobags, or facebags as they are now called, since their main function is to protect the face rather than the entire body in the event of a collision, are less complex than their USA counterparts. The first automotive airbags were more that 20 years ago using nylon-based woven fabrics and these remain the preferred materials amongst manufacturers. Nylon fabrics for airbags are supplied in two basic designs depending on whether the airbag is to protect the driver or the front passenger. The driver’s airbag is housed in the steering wheel and requires special attention because of the confined space. The passenger’s airbag system has a compartment door, located in the front of the passenger in the dash area, which must open within 10 milliseconds and deploy the airbag within 30 milliseconds. The vehicle has a crash sensor which signals the airbags to deploy on impact. Figure 8: Driver’s Airbag System Vehicle Body Repairs - Phase 2 24
Page 1 and 2: TRADE OF VEHICLE BODY REPAIR PHASE
Page 3 and 4: Table of Contents Transport Studies
Page 5 and 6: Figure 33: Body Shell Assembly ....
Page 7 and 8: Module 3- Unit 4 Introduction Trans
Page 9 and 10: Module 3- Unit 4 The real beginning
Page 11 and 12: Module 3- Unit 4 Figure 3: The Aust
Page 13 and 14: Module 3- Unit 4 The design of the
Page 15 and 16: Module 3- Unit 4 1895 First motor r
Page 17 and 18: Module 3- Unit 4 Phaeton: A term fr
Page 19 and 20: Module 3- Unit 4 Figure 4: Vehicle
Page 21 and 22: Module 3- Unit 4 Computer-aided Des
Page 23 and 24: Module 3- Unit 4 The main aim of th
Page 25 and 26: Module 3- Unit 4 • Restraining th
Page 27: Module 3- Unit 4 Crumple Zone The c
Page 31 and 32: Module 3- Unit 4 Figure 10: Safety
Page 33 and 34: Module 3- Unit 4 The Development an
Page 35 and 36: Module 3- Unit 4 transmission or dr
Page 37 and 38: Module 3- Unit 4 During the wind tu
Page 39 and 40: Module 3- Unit 4 Figure 18: Basic F
Page 41 and 42: Module 3- Unit 4 Body Engineering f
Page 43 and 44: Module 3- Unit 4 Figure 24: Composi
Page 45 and 46: Module 3- Unit 4 Glass Fibre Compos
Page 47 and 48: Module 3- Unit 4 Figure 29: Espace
Page 49 and 50: Module 3- Unit 4 Basic Body Constru
Page 51 and 52: Module 3- Unit 4 The rear end of th
Page 53 and 54: Module 3- Unit 4 Identification of
Page 55 and 56: Module 3- Unit 4 Figure 33: Body Sh
Page 57 and 58: Module 3- Unit 4 Figure 34: Complet
Page 59 and 60: Module 3- Unit 4 provided by box se
Page 61 and 62: Module 3- Unit 4 Figure 36: Main Fl
Page 63 and 64: Module 3- Unit 4 Roof Panel The roo
Page 65 and 66: Module 3- Unit 4 In general the rea
Page 67 and 68: Module 3- Unit 4 Figure 38: Exterio
Page 69 and 70: Module 3- Unit 4 1 3 4 2 1. Front r
Page 71 and 72: Module 3- Unit 4 Front End Panel Re
Page 73 and 74: Module 3- Unit 4 Front Inner Wing A
Page 75 and 76: Module 3- Unit 4 Centre Pillar Body
Page 77 and 78: Module 3- Unit 4 Rear End Panel Ope
Page 79 and 80:
Module 3- Unit 4 Interior Trim Figu
Page 81 and 82:
Module 3- Unit 4 Summary Early vehi
Page 83 and 84:
Module 3- Unit 4 6. How are vehicle
Page 85 and 86:
Module 3- Unit 4 6. By fitting side
show all

TRADE OF VEHICLE BODY REPAIR - eCollege

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?