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济南模具制作影响精度的四个方面

来源:http://www.schaosen.com 日期:2021-06-02 发布人:liqiang 浏览次数:
模具制作影响精度的四个方面,模具加工精度直接影响了模具的质量,而影响模具加工精度的因素主要有三个方面,主要为尺寸精度、形状精度和位置精度,并且这三者还有很重要的关系.
There are four aspects that affect the precision of mold making. The precision of mold processing directly affects the quality of mold. There are three main factors that affect the precision of mold processing, which are dimension precision, shape precision and position precision, and there is a very important relationship among them
1.尺寸精度,指加工后零件的实际尺寸与零件尺寸的公差带中 心的相符合程度.尺寸精度是用尺寸公差来控制的.尺寸公差是模具加工中零件尺寸允许的变动量.在基本尺寸相同的情况下,尺寸公差与愈小,则尺寸精度愈高.
1. Dimensional accuracy refers to the degree of conformity between the actual size of the part after processing and the tolerance zone center of the part size. Dimensional accuracy is controlled by dimensional tolerance. Dimensional tolerance is the allowable variation of the part size in mold processing. In the case of the same basic size, the smaller the dimensional tolerance is, the higher the dimensional accuracy is
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2.形状精度,指东莞模具加工后的零件表面的实际几何形状与理想的几何形状的相符合程度.评定形状精度的项目有直线度、平面度、圆度、圆柱度、线轮廓等6项.形状精度是用形状公差来控制的,各项形状公差,除圆度、圆柱度分13个精度等级外,其余均分12个精度等级.1级高,12级低.
2. Shape accuracy refers to the degree of conformity between the actual geometry and the ideal geometry of the part surface processed by Dongguan mold. Six items of shape accuracy are evaluated, including straightness, flatness, roundness, cylindricity and line profile. Shape accuracy is controlled by shape tolerance. All shape tolerances are divided into 13 precision grades except roundness and cylindricity, The rest are divided into 12 Accuracy grades. Grade 1 is high and grade 12 is low
3.位置精度,指黄江模具加工后零件有关表面之间的实际位置精度差别.评定位置精度的项目有平行度、垂直度、倾斜度、同轴度、对称度、位置度、圆跳动和全跳动等八项.位置精度是用位置公差来控制的,各项目的位置公差亦分为12个精度等级.
3. Positional accuracy refers to the actual positional accuracy difference between the relevant surfaces of parts processed by Huangjiang mould. The items to evaluate positional accuracy include parallelism, perpendicularity, inclination, coaxiality, symmetry, positional degree, circular runout and total runout. Positional accuracy is controlled by positional common error, and the positional tolerance of each item is also divided into 12 Accuracy grades
4.尺寸精度、形状精度和位置精度的关系.通常在设计机器零件及规定零件加工精度时,应注意将形状误差控制在位置公差内,位置误差又应小于尺寸公差.即精 密零件或零件重要表面,其形状精度要求应高于位置精度要求,位置精度要求应高于尺寸精度要求.
4. The relationship among dimension accuracy, shape accuracy and position accuracy. Generally, when designing machine parts and specifying the machining accuracy of parts, attention should be paid to controlling the shape error within the position tolerance, and the position error should be less than the dimension tolerance. That is to say, for precision parts or important surfaces of parts, the shape accuracy requirements should be higher than the position accuracy requirements, and the position accuracy requirements should be higher than the dimension accuracy requirements
如今各行业对模具的质量要求愈来愈高,所以对模具加工的要求也随之提高,这就需要我们了解影响模具加工精度的各种因素,提高模具质量.济南l立强模具制造有限公司您值得信赖!
Nowadays, the quality requirements of mold in various industries are getting higher and higher, so the requirements of mold processing are also increasing, which requires us to understand various factors affecting the accuracy of mold processing, and improve the quality of mold. Jinan Liqiang mold manufacturing Co., Ltd. you are trustworthy!

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