Since low pressure casting utilizes similar production methods as gravity casting, this allows WedsSport designers to have greater options and flexibility on face design while exercising various ways to improve strength without adding material to save weight. Another benefit with low pressure casting is the ability to create more complex designs over forged wheels. Although low pressure casting has higher manufacturing costs than gravity casting, it is less expensive than the forging process whilst offering similar strength. The tighter grain structure offered from low pressure casting allows for a wheel which is significantly lighter than a gravity cast wheel whilst offering higher material strength. The Weds casting process uses a less commonly used process known as low pressure casting, which pressurizes the selected molten aluminum alloy into the mold, creating a tight grain structure and high metal density.
Weds AMF offers the perfect blend of strength, light weight and cost-effectiveness The forged process utilizes the compression of material to gain strength, however its root strength is determined by the material used the final design also relies more on the final machining process. Depending on its application, the gravity casting method's advantage allows for a wider range of designs as the melted aluminum is able to flow into a more complex mold design, however this often leads to a heavy product as the complex design may not yield the strength it might need. On the other hand, die-forged wheels utilize a metal lump of aluminum/alloy which is first heated, then utilizes a strong press to compress the metal, resulting in metal grain which is tightly formed with a high metal density.Įach method has its pros and cons. The simple act of pouring molten metal into a mold results in a wheel with a poor grain structure with low metal density, yet its fast and simple production method results in an low-priced wheel. This manufacturing process is inexpensive and allows for wheels to be pumped out in large batches, however it yields a wheel which is heavy, unbalanced and low in strength. Gravity casting is where molten metal is simply poured into a mold.
(Figure 1) Gravity Cast (Figure 2) Forged There are two major casting methods the most common is gravity casting, followed by low pressure casting.
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