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Information from Speedline
Speedline’s flowforming process is a unique solution to a common problem – how to make a wheel both light and strong.
Speedline’s flowforming method is unique within the wheel production industry, and patented.
This means that only Speedline can provide this precise technology.
The casting used to produce the wheel is much narrower than usual, but with the same amount of alloy than would be present in a conventional casting.
The casting is then placed in a specially designed machine within an additional mould. The hot casting is then spun at high rpm within the mould, and formed into the shape of the final wheel.
The resulting grain structure within the alloy of the wheel is linear, flowing in a single direction.
This grain structure pattern, combined with the exceptional quality of casting required for the process, gives the rim area of the wheel huge mechanical strength, and elongation. As a result of these mechanical characteristics, Speedline are able to reduce the thickness of the rim area resulting in reduced weight, without compromising strength and resistance to impact.
Speedline’s flowforming process is a unique solution to a common problem – how to make a wheel both light and strong.
Speedline’s flowforming method is unique within the wheel production industry, and patented.
This means that only Speedline can provide this precise technology.
The casting used to produce the wheel is much narrower than usual, but with the same amount of alloy than would be present in a conventional casting.
The casting is then placed in a specially designed machine within an additional mould. The hot casting is then spun at high rpm within the mould, and formed into the shape of the final wheel.
The resulting grain structure within the alloy of the wheel is linear, flowing in a single direction.
This grain structure pattern, combined with the exceptional quality of casting required for the process, gives the rim area of the wheel huge mechanical strength, and elongation. As a result of these mechanical characteristics, Speedline are able to reduce the thickness of the rim area resulting in reduced weight, without compromising strength and resistance to impact.