Sheet metal processing of sheet metal parts chassis in the processing will certainly occur when welding this process, in addition to the integrated forming of goods. So, what should I look for before and after welding in high precision sheet metal processing? Before the sheet metal processing will need to understand welding, what types of welding are there generally categorized as: melt welding: argon arc welding machine, CO2 welding, vapor welding, manual production welding b working pressure welding: welding, butt welding, bump welding c brazing: electric chrome welding, copper wire
The following is the standard FAQ for welding
A. Standards before welding of sheet metal processing chassis
1、All raw materials must not be smaller than those specified in the engineering drawings, otherwise the material must not be opened and made.
2、Provisions for welded channel flatness not exceeding 2/1000 and total bending not exceeding 0.3% of the total length.
3、Sheet metal Before welding, the deformed spare parts must be straightened and calibrated before welding.
4、Before carrying out welding, the welding rod of different sizes and specifications should be used according to the size of the parts, the thinness of the raw materials and the size of the welding regulations.
Two, sheet metal processing chassis welding when the standard
1. Welding should be made according to the engineering drawings, technicalities and processing regulations;
2. When welding, be sure to slot in the groove. If there is no groove or welding wheel gallery, the groove should be carried out according to the specific situation of grinding and polishing. If grooves must be machined, they should be machined. Report the problem to the unit manager. 3. When welding, the form and position tolerances of the workpiece should be guaranteed. Form and position tolerances for non-machined surfaces should be in accordance with IT15 class.
