Assembling Requirements
Before assembling,all the parts should be inspection qualified.
All parts should be clean, and assembly in a clean environment.
MGC coal mine wagon overall width and tracktion height error should be ±3mm, height error should be ±8mm, overall length is ±10mm.
Wagon carriage installed symmetrically to the longitudinal centre plane of the frame, the symmetry tolerance to 5mm.
Assembled mine car should be placed in a special straight road to check, and does not allow a clearance between wheel and rail is greater than 2mm.
Coal Mine Wagon should inventory of rust, runs smoothly in the corners and straight.
The parts covered with phenolic resin primer, body painting according to the contract, appearance even, neat, shade of the paint, covering the complete, no brush marks from the skin, accumulation and defects such as bubbles.
To check the adhesion, coating edges or lattices cutting cross-section without falling off or shedding, shedding surface area not greater than 15%.