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    [轉(zhuǎn)載]plastic design [復(fù)制鏈接]

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    只看樓主 倒序閱讀 樓主  發(fā)表于: 2008-01-17
    Design Tips for Rapid Injection Molding F`+}p-  
    As illustrated in figure 1, draft is the angle between the direction of ejection of a part from the mold and the surface of the part. Its traditional function is to facilitate the removal of the part from the mold, but in Protomold’s Rapid Injection Molding process, it also permits deeper geometries to be milled while reducing cost and insuring trouble free molding. Drafts of 1.0 degree and larger may result in lower costs with the Rapid Injection Molding process. ?bW|~<X~  
    It is important that textured surfaces have adequate draft to prevent the part from sticking in the mold and to prevent “drag” marks. Protomold requires that lightly textured surfaces (T-1) have a minimum of 3 degrees of draft and that more heavily textured surfaces (T-2) have a minimum of 5 degrees of draft. hj 海原县| 凤凰县| 聂拉木县| 大同市| 黑河市| 永安市| 建德市| 介休市| 鄂州市| 甘肃省| 砀山县| 新乐市| 呼图壁县| 柞水县| 屏东市| 林州市| 遂平县| 宣化县| 普安县| 广东省| 白银市| 洪湖市| 新巴尔虎右旗| 岳西县| 定日县| 塘沽区| 临清市| 牡丹江市| 庄河市| 湖北省| 包头市| 鲁山县| 阿合奇县| 新化县| 桓台县| 梅州市| 通化县| 进贤县| 望奎县| 沾益县| 喀喇沁旗|