The plastics products to have already with daily life wait the aspect to acquire the extensive application at the industry, agriculture, national defense. Especially in the electronic industry then and particularly for outstanding. Electronics product that the outer shell spare parts that exaltation is mostly plastics function that request the high quantity. Type craft with product the design.
The plastics products of the type method is a lot of. Among them most of inject, die-casting to compatibly press type etc. But inject the mold, extrude, extrude roughly share type total amount of 60% above inject the type is divided in to add the material, meltdown plastics, and inject to make piece to cool off with make the piece to take off the mold to wait five steps. Certainly if make use off the electricity control. Can realize half auto or automatic homework.. Because inject the mold the type`s extensive suitable for use, exactly the basic point of departure of my this design.
目錄
前言. ………………………………………………………………………………1 緒論…………………………………………………………………………………2 1 塑料的工藝分析…………………………………………………………………4
1.1塑件成形工藝分析………………………………………………………………4
1.2鬧鐘后蓋原料（ABS）的成型特性與工藝參數…………………………………4
2 注塑設備的選擇…………………………………………………………………7
2.1 估算塑件體積…………………………………………………………………7
2.2 選擇注射機……………………………………………………………………7
2.3 模架的選定…………………………………………………………………7
2.4 最大注射壓力的校核…………………………………………………………8
3 塑料件的工藝尺寸的計算……………………………………………………10
3.1 型腔的徑向尺寸……………………………………………………………10
3.2 型芯的計算…………………………………………………………………10
3.3 模具型腔壁厚的計算………………………………………………………11
4 澆注系統的設計………………………………………………………………12
4.1 主流道的設計………………………………………………………………12
4.2 冷料井的設計………………………………………………………………13
4.3 分流道的設計………………………………………………………………13
4.4 澆口的選擇…………………………………………………………………14
5 分型面的選擇與排氣系統的設計…………………………………………17
5.1 分型面的選擇………………………………………………………………17
5.2 排氣槽的設計…………………………………………………………………17
6 合模導向機構的設計…………………………………………………………18
7 脫模機構的設計………………………………………………………………20
8 溫度調節系統的設計…………………………………………………………21
8.1 模具冷卻系統的設計………………………………………………………22
8.2 模具加熱系統的設計……………………………………………………22
9 模具的裝配 …………………………………………………………………23
9.1 模具的裝配順序 ……………………………………………………………23
9.2 開模過程分析………………………………………………………………24
設計總結 ………………………………………………………………………25
參考資料………………………………………………………………………26
致 謝…………………………………………………………………………………27
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