Oil filler workpiece forming process
The invention relates to the technical field of automobile parts, and discloses an oil filler workpiece forming process which comprises the following steps: step 1, a shallow modeling workpiece is formed from a flat plate material through a drawing process; step 2, rough trimming and stamping are co...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention relates to the technical field of automobile parts, and discloses an oil filler workpiece forming process which comprises the following steps: step 1, a shallow modeling workpiece is formed from a flat plate material through a drawing process; step 2, rough trimming and stamping are conducted on the shallow modeling workpiece to form a rough oil filler workpiece, a rough oil filler defined by a rough trimming line is stamped in the middle of the rough oil filler workpiece, a forming corner ring is formed on the outer edge of the rough trimming line, a distance L is formed between the rough trimming line and the forming corner ring, a fine trimming line is arranged between the rough trimming line and the forming corner ring, and the distance M between the rough trimming line and the fine trimming line is greater than 0; step 3, the rough oil filler workpiece is shaped and stamped to form a shaped oil filler part; and step 4, the shaped oil filler part is subjected to fine trimming and stamping to |
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