MANUFACTURING

Casting is the most economical way to produce light alloy wheels. This is the process used by almost all car manufacturers for the light alloy wheels provided with their cars.


Cast wheels are made by pouring molten aluminum into a mold with the mirror shape of the finished wheel. The casting is then taken to the machine shop, where it is given its final shape in CNC cutting, grinding and polishing machines before going to the surface finishing shop, where it is polished, plated and/or painted.


The Velgen wheels are all cast in a process where the casting is done under slightly raised pressure, to compact the molten metal and eliminate pores in the casting. This improves the quality of the wheel and makes it stronger and less brittle.Lightweight alloy wheels are made from aluminum, which is light weight and great at dissipating heat, that has been "doped" with small amounts of more rigid metals. This mix is called an alloy. By varying the amounts of the alloying metals in the 'mix', the properties of the wheel material can be set to the desired standards. A wheel made out of pure aluminum would be too soft and too prone to crack to be usable. The aluminum alloy on the other hand is very rigid and resistant to cracking.


Casting is the most efficient way to produce high-quality, strong alloy wheels. Two different methods are employed in casting alloy wheels: gravity casting and low pressure or negative pressure casting.

Velgen features:

• Each wheel passes through an x-ray after casting to search for air pockets
• Stage heat treatment - 1st heat treatment at 540 degrees & 2nd heat treatment at 135 degrees
• The wheels go through a three stage cnc process
• Water leakage testing: each wheel is tested for cracks and air leakage
• Velgen wheels getting painted with powder coat clear
• Velgen wheels go through multiple testing: radial / fatigue / impact
• Five year warranty