Suitable for automobile, motorcycle, diesel engine and gasoline engine. This kind of spring has valve spring, suspension spring, shock absorption spring and clutch spring, etc., the dosage is large, accounting for about 50% of the spring production.

Spring blackening process Alkaline chemical oxidation treatment black, is to finish the processing of qualified spring into the solution containing strong alkali heat treatment, so that the surface of the spring to obtain a thin layer of dense oxide film,

Electronic testing machine boot shows this situation in 1999, the CPU working frequency (11.0592MHz) is not normal, the replacement of crystal oscillator. If the input voltage of two sensors is too high (usually several millivolts), check whether the sens

The wire used for car suspension spring has strict requirements on steel purity, dimensional accuracy and surface quality. It has been proved that the diameter accuracy of wire rod is of great significance to reduce the wear of drawing die, reduce energy

One-time automation ability of cold forming process. Cold forming machine has been developed to 12 claw. In the range of (0.3 ~ 14)mm steel wire, basically in 8 claw forming machine forming. Current development direction of forming process equipment