超越经典65
尺寸影响的功能的一部分应始终没有离开指定的总和或其他方面的差异。如果不这样做,总允许的变化将成为这方面的总和或差异的其他方面和他们的宽容 整体方面应该总是出现。 所有的尺寸必须由一般容忍关于制定除非另有说明。通常情况下,这种容忍将受严重的问题。具体公差必须始终指出层面影响功能或互换性。 公差制度是必要的,以便能够准确度的变化是必定会发生在制造过程中,仍然提供互换性和纠正功能的一部分。 持宽容态度的区别是在一个层面,以便不可避免不完善做工。容忍范围将取决于层面。更大的容忍范围内,更便宜的制造过程。双边宽容是在容忍范围内处置双方的名义层面。单方面宽容是在公差带是只有一边的名义层面,在这种情况下,名义上可能形成一个层面的限制
青帝织锦
AbstructHuman beings have entered mechanization era, in the modern industrial production, packaging is industrial production in the link, which is very important in the product label in packaging and is particularly important. Labeling machines function is able to products (here refers to realize automatic packing body) label process. Even if the product realize mechanization, automation, therefore the fundamental guarantee of automatic label machine in the modern industrial production plays a very important role. It can greatly improve the production efficiency; Reduce the labor intensity, improve working conditions; Avoid contact with products with, to product health; Reduce factory area.This design mainly introduces a kind of planar labeling machines, detail the labeling machine main component design process and key components strong ?
优质英语培训问答知识库