Method for producing hexagonal washer
AssigneeTech Stell Co., Ltd.
InventorChen-Mao Lin
Life of this patent
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AssigneeTech Stell Co., Ltd.
InventorChen-Mao Lin
Estimating the term…
Hexagonal washers are formed by the following steps: at least two through holes are provided in the middle of a belt of material, which are also used for positioning and advancing the belt; a first residual slot is formed between every two adjacent through holes; a second residual slot and a third residual slot are formed at the two sides of every first residual slot, thereby forming a hexagonal ring around each through hole; six wedge planes are forged around the bottom surface of each ring, and at least a V-shaped groove or a ridge is forged on the top surface of each ring; a larger through hole as the inner hole of a washer is produced at the center of each ring; the major shape of each washers is then formed without separating the washers from the belt; and the washers are fine-tuned to obtain the precise form factor and dimension before they separated from the belt.
A method for producing hexagonal washers by having upper molds and lower molds working on the top and bottom surfaces of a belt of material supported therebetween, said method comprising the steps of:
Dependencies are inferred from the claim text.