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為什么手板加工精度存在差異？
來(lái)源：http://m.scyyst.com作者：山東嘉瑞杰機(jī)械科技有限公司發(fā)布時(shí)間：2022-09-20
濟(jì)南手板加工精度高，能夠準(zhǔn)確地控制產(chǎn)品質(zhì)量，再加上生產(chǎn)效率高，是現(xiàn)在很多大型的手板廠常用的手板加工方法。但手板的加工精度還是會(huì)存在差異，這其中的原因可以從以下幾個(gè)方面來(lái)分析。
Jinan hand board processing has high precision, can accurately control product quality, and high production efficiency. It is now a common hand board processing method used by many large hand board factories. However, there will still be differences in the processing accuracy of the prototype, and the reasons can be analyzed from the following aspects.
1、尺寸精度
1. Dimensional accuracy
指加工后零件的實(shí)際尺寸與零件尺寸的公差帶的相符合程度。尺寸精度是用尺寸公差來(lái)控制的。尺寸公差是切削加工中零件尺寸允許的變動(dòng)量。在基本尺寸相同的情況下，尺寸公差越小，則尺寸精度越高。
It refers to the conformity between the actual size of the part after machining and the tolerance zone center of the part size. Dimensional accuracy is controlled by dimensional tolerance. The dimensional tolerance is the allowable variation of the part size in machining. When the basic dimensions are the same, the smaller the dimensional tolerance, the higher the dimensional accuracy.
2、形狀精度
2. Shape accuracy
指加工后的零件表面的實(shí)際幾何形狀與理想的幾何形狀的相符合程度。評(píng)定形狀精度的項(xiàng)目有直線度、平面度、圓度、圓柱度、線輪廓等6項(xiàng)。形狀精度是用形狀公差來(lái)控制的，各項(xiàng)形狀公差，除圓度、圓柱度分13個(gè)精度等級(jí)外，其余均分12個(gè)精度等級(jí)。1級(jí)高，12級(jí)低。
It refers to the degree to which the actual geometric shape of the machined part surface conforms to the ideal geometric shape. The evaluation items of shape accuracy include straightness, flatness, roundness, cylindricity, line profile, etc. The shape accuracy is controlled by the shape tolerance. Except for the 13 accuracy levels of roundness and cylindricity, all the shape tolerances are equally divided into 12 accuracy levels. Level 1 high, level 12 low.
3、位置精度
3. Position accuracy
指加工后零件有關(guān)表面之間的實(shí)際位置精度差別。評(píng)定位置精度的項(xiàng)目有平行度、垂直度、傾斜度、同軸度、對(duì)稱度、位置度、圓跳動(dòng)和全跳動(dòng)等八項(xiàng)。位置精度是用位置公差來(lái)控制的，各項(xiàng)目的位置公差亦分為12個(gè)精度等級(jí)。
It refers to the actual position accuracy difference between the relevant surfaces of the parts after machining. The items for evaluating the position accuracy include parallelism, perpendicularity, inclination, coaxiality, symmetry, position, circular runout and total runout. The position accuracy is controlled by the position tolerance, and the position tolerance of each project is also divided into 12 accuracy levels.
4、刀具：加工機(jī)所用的刀一般是鎢鋼刀，這種刀一般使用幾次之后，刀會(huì)有磨損，這樣在刀的方面也存在誤差。
4. Cutter: The cutter used by the machining machine is generally tungsten steel cutter. After using this cutter for several times, the cutter will be worn, so there are errors in the cutter.
5、人工對(duì)刀：如果有對(duì)刀儀，在對(duì)刀方面就不會(huì)有問(wèn)題。但很多小型手板廠，為了節(jié)約成本，在選擇機(jī)器的時(shí)就會(huì)選擇沒有對(duì)刀儀，只能人工對(duì)刀，所以人員方面又有公差。為了保證手板模型的精度，在手板加工設(shè)備上面安裝對(duì)刀儀，不僅能夠精準(zhǔn)對(duì)刀，而且大大提高了工作效率。
5. Manual tool setting: If there is a tool setting instrument, there will be no problem in tool setting. However, in order to save costs, many small handicraft factories will choose to have no tool setting instrument when selecting machines, and only set tools manually, so there is a tolerance in terms of personnel. In order to ensure the accuracy of the prototype, the tool setting instrument is installed on the prototype processing equipment, which can not only accurately set the tool, but also greatly improve the working efficiency.
以上便是影響手板加工精度的5個(gè)方面，各個(gè)方面的影響會(huì)導(dǎo)致后手板模型的精度產(chǎn)生差異，所以要從每個(gè)方面的加工精度下手，制作能實(shí)現(xiàn)佳效果的手板模型。更多相關(guān)內(nèi)容就來(lái)我們網(wǎng)站http://m.scyyst.com進(jìn)行咨詢了解吧！
These are the five aspects that affect the processing accuracy of the hand board. The effects of all aspects will lead to differences in the accuracy of the back hand board model. Therefore, we should start from the processing accuracy of each aspect to make a hand board model that can achieve good results. More relevant content will come to our website http://m.scyyst.com Consult and understand!
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