Method of manufacturing perforated metal cover
AssigneeHon Hai Precision Ind. Co., Ltd.
InventorWente Lai
Life of this patent
Estimating the term…
Abstract
A method of manufacturing a perforated metal cover (1) includes steps of: step (60), successively punching holes in a piece of metal sheet at a plurality of workstations and cutting the metal sheet into a plurality of metal bases; step (62), stamping the metal bases into three dimensions; step (64), grinding the metal bases; and step (66), anodizing the metal bases to produce the finished covers. Each workstation includes at least one punch, and each punch includes a die having a plurality of punch heads, which number and arrangement are predetermined according to the holes (3) to be formed in the perforated cover. Different arrays of holes are punched in the metal sheet in different punches.
Claims14
A method of manufacturing a perforated metal cover comprising steps of:
- successively punching holes in a piece of metal sheet at a plurality of workstations, and cutting the metal sheet into a plurality of metal bases;
- stamping the bases into three dimensions;
- grinding the bases using a vibratory finishing process during said vibratory finishing process, ceramic grindstones used as a finishing media, detergent, and brightener are added and mixed for said grinding;
- and
- anodizing the bases;
- wherein, in the step of successively punching holes, each workstation includes at least one punch, each punch includes at least one pair of punching dies, one of said punching dies includes a plurality of punch heads, said punch head number and arrangement are predetermined according to a pattern of the holes to be formed in the perforated cover.
A method of manufacturing a perforated metal cover comprising steps of:
- successively punching holes in a piece of metal sheet at a plurality of workstations;
- stamping;
- grinding using a vibratory finishing process, during said vibratory finishing process ceramic grindstones used as a finishing media, detergent, and brightener are added and mixed for said grinding;
- and
- anodizing;
- wherein, in the step of successively punching holes, the metal sheet is mounted on a conveyer belt and is carried stepwise from workstation to workstation to punch holes, each workstation includes a plurality of punch heads, which number and arrangement are predetermined according to a pattern of the holes to be formed in the perforated metal cover, and different arrays of holes are punched in the metal sheet in different punches, wherein the step of grinding uses a vibratory finishing process, during which ceramic grindstones used as a finishing media, detergent, and brightener are added and mixed for grinding.
A method of making a perforated metal cover comprising steps of:
- providing a large metal sheet;
- successive punching holes in said metal sheet;
- cutting said perforated metal sheet into a plurality of pieces complying with a dimension of the designated metal cover and having designated holes therein;
- stamping of forming each of said pieces to a final shape of the metal cover;
- and
- grinding and anodizing said metal cover;
- the grinding step using a vibratory finishing process, during and vibrating and ceramic, finishing grindstones used as a finishing media, detergent, and brightener are added and mixed for grinding.
Dependencies are inferred from the claim text.