|
|
содержание .. 235 236 237 238 ..
REPLACEMENT OPERATIONS BRM-109 < REMOVAL AND INSTALLATION > [FOR EUROPE (RHD)] C D E F G H I J L M A B BRM N O P • The below welding condition is applicable only to this vehicle. Never apply this same welding condi- tion to other vehicles. Welding condition PLUG WELDING To weld ultra high strength steel of tensile strength 980 MPa or more, perform plug welding observing the CAUTION: • To perform plug welding, use fuel mixture (Ar 80% + CO2 20%) for shielding gas of welder. inadequate weld strength. • When welding hole diameter cannot be met, make multiple holes (smaller diameter) so that the sum of the hole areas equals the area of the original weld hole. EXAMPLE Welder tip diameter 6 mm Welding pressure (Gun force) 3500 N Welding current 8200 A Weld time 0.22 sec (11 cyc: 50 Hz area, Panel configuration Combination of a plate of ten- Body sealing : Vehicle front : Drill φ 6 mm (0.24 in) hole for the plug welding hole (ultra high strength steel). : N·m (kg-m, ft-lb) : For spot welding of steel plate of tensile strength 980 MPa, observe the indicated welding conditions. Refer to ″ Welding of Ultra High Strength Steel ″ . JSKIA3503GB |