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注塑模具在制作的遇到的5點困難

來源:http://www.giulya.com 日期:2021-04-26 發布人:liqiang 瀏覽次數:
塑件的外部和內部形狀是由型腔和型芯直接成型的,這些復雜的立體型面加工難度比較大,特別是型腔的盲孔型內成型表面加工,如果采用傳統的加工方法,不僅要求工人技術水平高、輔助工夾具多、刀具多,而且加工的周期長。
The external and internal shapes of plastic parts are directly formed by the cavity and core. It is difficult to process these complex three-dimensional surfaces, especially the blind hole in the cavity. If the traditional processing method is adopted, it not only requires high technical level of workers, more auxiliary tools and tools, but also requires a long processing cycle.
精度和表面質量要求高,使用壽命要求長。
High precision and surface quality requirements, long service life requirements.
目前一般塑件的尺寸精度要求為IT6-7,表面粗糙度Ra0.2-0.1μm,相應的注塑模具零件的尺寸精度要求達到IT5-6,表面粗糙度Ra0.1μm以下。
At present, the dimensional accuracy of general plastic parts is required to be it6-7, and the surface roughness is ra0.2-0.1 μ m. The dimensional accuracy of the corresponding injection mold parts should reach it5-6, and the surface roughness should be ra0.1 μ It is less than 5 m.
工藝流程長,制造時間緊。
The process flow is long and the manufacturing time is short.
對于注塑件而言,大多是與其它零部件配套組成完整的產品,而且在很多的情況下都是在其它部件已經完成,急切等待注塑件的配套上市。因為對制品的形狀或尺寸精度要求很高,加之由于樹脂材料的特性各異,模具制造完成后,還需要反復地試模與修正,使開發和交貨的時間非常緊張。
For injection molded parts, most of them are complete products with other parts, and in many cases, they are waiting for injection molded parts to come into the market. Because of the high requirements for the shape or dimensional accuracy of the products, and because of the different characteristics of resin materials, after the completion of mold manufacturing, it is necessary to repeatedly test and modify the mold, which makes the development and delivery time very tight.
異地設計、異地制造。
Design and manufacture in different places.
模具制造不是目的,而是由用戶提出制品設計,模具制造廠家根據用戶的要求,設計制造模具而且在大多數情況下,制品的注射生產也在別的廠家。這樣就造成了產品的設計、模具設計制造和制品的生產異地進行的情況。
Mold manufacturing is not the purpose, but by the user product design, mold manufacturers according to the user's requirements, design and manufacture mold, and in most cases, product injection production is also in other manufacturers. In this way, the product design, mold design and manufacturing and product production are carried out in different places.
分工,動態組合。
Professional division, dynamic combination.
模具生產批量小,一般屬于單件的生產,但是模具需要很多的標準件,大到模架,小到頂針,這些不能也不可能只由一個廠家單獨完成,且制造工藝復雜,普通設備和數控設備使用極不均衡。
Mold production batch is small, generally belongs to the production of single piece, but the mold needs a lot of standard parts, large to mold base, small to thimble, these can not and can not only be completed by a single manufacturer, and the manufacturing process is complex, the use of ordinary equipment and numerical control equipment is extremely unbalanced.

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