五金零(ling)件(jian)加(jia)工精(jing)(jing)度是加(jia)工后零(ling)件(jian)表(biao)(biao)面(mian)(mian)(mian)的(de)(de)實(shi)際尺(chi)寸、形狀(zhuang)、位(wei)置(zhi)三種幾何(he)(he)參(can)數(shu)與(yu)圖紙要求的(de)(de)理(li)想幾何(he)(he)參(can)數(shu)的(de)(de)符合(he)程度。理(li)想的(de)(de)幾何(he)(he)參(can)數(shu)，對尺(chi)寸而言，就是平(ping)(ping)均尺(chi)寸；對表(biao)(biao)面(mian)(mian)(mian)幾何(he)(he)形狀(zhuang)而言，就是絕對的(de)(de)圓(yuan)、圓(yuan)柱、平(ping)(ping)面(mian)(mian)(mian)、錐面(mian)(mian)(mian)和直線等；對表(biao)(biao)面(mian)(mian)(mian)之(zhi)間的(de)(de)相互位(wei)置(zhi)而言，就是絕對的(de)(de)平(ping)(ping)行、垂直、同(tong)軸、對稱(cheng)等。零(ling)件(jian)實(shi)際幾何(he)(he)參(can)數(shu)與(yu)理(li)想幾何(he)(he)參(can)數(shu)的(de)(de)偏離數(shu)值稱(cheng)為加(jia)工誤差。博鑫(xin)精(jing)(jing)密(mi)是以不銹(xiu)鋼(gang)零(ling)件(jian)加(jia)工、鈦合(he)金零(ling)件(jian)加(jia)工、鋼(gang)材零(ling)件(jian)加(jia)工、鋁合(he)金零(ling)件(jian)加(jia)工、鑄件(jian)加(jia)工為公司的(de)(de)主打產品，品質保障(zhang)，值得信(xin)賴(lai)！

一(yi)、五金零件加工精(jing)度根據不同的加工精(jing)度內(nei)容以(yi)及精(jing)度要(yao)求，采用不同的測量方法(fa)。一(yi)般來說有以(yi)下幾類方法(fa)：

1、按是否直(zhi)接(jie)測(ce)量被測(ce)參數(shu)，可(ke)分為(wei)直(zhi)接(jie)測(ce)量和間接(jie)測(ce)量。

2、按量(liang)具量(liang)儀(yi)的(de)讀(du)數值是否直接表示被測(ce)尺寸(cun)的(de)數值，可分(fen)為絕對測(ce)量(liang)和相(xiang)對測(ce)量(liang)。

3、按被測表面與量(liang)具量(liang)儀的測量(liang)頭(tou)是否接(jie)觸，分為(wei)接(jie)觸測量(liang)和非接(jie)觸測量(liang)。

4、按一次測量參數的多(duo)少，分為單項測量和(he)綜合測量。

5、按測量(liang)在加(jia)工過程中(zhong)所起的作用，分為主動測量(liang)和被動測量(liang)。

6、按被測(ce)零(ling)件在測(ce)量過程中所處(chu)的狀態，分為靜態測(ce)量和(he)動(dong)態測(ce)量。

二、五金零件(jian)加工精度的相關內容：

1、尺寸精度：指加(jia)工后零件(jian)的實際尺寸與零件(jian)尺寸的公差帶中心的相符合程度。

2、形狀精度：指加工后的(de)零(ling)件(jian)表面的(de)實際幾何(he)形狀與(yu)理(li)想的(de)幾何(he)形狀的(de)相符合(he)程度。

3、位置精度(du)(du)：指加工后零(ling)件有關表面之間(jian)的實際(ji)位置精度(du)(du)差別。

4、相互(hu)關系：通常在(zai)設計機器(qi)零件(jian)(jian)及規(gui)定零件(jian)(jian)加工精(jing)度(du)時(shi)，應(ying)(ying)注意將形狀誤差(cha)控制在(zai)位(wei)置(zhi)公差(cha)內，位(wei)置(zhi)誤差(cha)又應(ying)(ying)小于尺(chi)寸(cun)(cun)公差(cha)。即精(jing)密零件(jian)(jian)或零件(jian)(jian)重要(yao)表面，其(qi)形狀精(jing)度(du)要(yao)求(qiu)應(ying)(ying)高于位(wei)置(zhi)精(jing)度(du)要(yao)求(qiu)，位(wei)置(zhi)精(jing)度(du)要(yao)求(qiu)應(ying)(ying)高于尺(chi)寸(cun)(cun)精(jing)度(du)要(yao)求(qiu)。

五金零件(jian)加(jia)(jia)工(gong)(gong)(gong)(gong)精(jing)度主(zhu)(zhu)要用(yong)(yong)于生產產品(pin)程度，加(jia)(jia)工(gong)(gong)(gong)(gong)精(jing)度與加(jia)(jia)工(gong)(gong)(gong)(gong)誤(wu)差(cha)都是評價加(jia)(jia)工(gong)(gong)(gong)(gong)表(biao)(biao)(biao)面(mian)幾何參數的(de)(de)術語。加(jia)(jia)工(gong)(gong)(gong)(gong)精(jing)度用(yong)(yong)公(gong)差(cha)等(deng)(deng)級衡量，等(deng)(deng)級值(zhi)越小，其精(jing)度越高；加(jia)(jia)工(gong)(gong)(gong)(gong)誤(wu)差(cha)用(yong)(yong)數值(zhi)表(biao)(biao)(biao)示，數值(zhi)越大，其誤(wu)差(cha)越大。鈦浩機械是以機床(chuang)主(zhu)(zhu)軸、回轉頂針、絲杠(gang)絲桿、軸加(jia)(jia)工(gong)(gong)(gong)(gong)、數控車(che)床(chuang)加(jia)(jia)工(gong)(gong)(gong)(gong)、刀(dao)柄刀(dao)桿、夾(jia)頭接桿為公(gong)司(si)的(de)(de)主(zhu)(zhu)打產品(pin)，加(jia)(jia)工(gong)(gong)(gong)(gong)精(jing)度高，就(jiu)是加(jia)(jia)工(gong)(gong)(gong)(gong)誤(wu)差(cha)小，反之亦然(ran)。公(gong)差(cha)等(deng)(deng)級從IT01，IT0，IT1，IT2，IT3至IT18一(yi)共有20個，其中IT01表(biao)(biao)(biao)示的(de)(de)話該零件(jian)加(jia)(jia)工(gong)(gong)(gong)(gong)精(jing)度最高的(de)(de)，IT18表(biao)(biao)(biao)示的(de)(de)話該零件(jian)加(jia)(jia)工(gong)(gong)(gong)(gong)精(jing)度是最低的(de)(de) ，一(yi)般上(shang)IT7、IT8是加(jia)(jia)工(gong)(gong)(gong)(gong)精(jing)度中等(deng)(deng)級別。

任何(he)(he)(he)加(jia)工(gong)(gong)(gong)(gong)(gong)方法(fa)所得到的(de)(de)實際參數(shu)(shu)都(dou)不會絕對準確(que)，從零(ling)件(jian)(jian)的(de)(de)功(gong)能(neng)看，只要加(jia)工(gong)(gong)(gong)(gong)(gong)誤差(cha)在零(ling)件(jian)(jian)圖要求的(de)(de)公差(cha)范圍(wei)內，就認為保(bao)證(zheng)了(le)加(jia)工(gong)(gong)(gong)(gong)(gong)精度(du)。機(ji)器(qi)(qi)的(de)(de)質量(liang)取決于零(ling)件(jian)(jian)的(de)(de)加(jia)工(gong)(gong)(gong)(gong)(gong)質量(liang)和(he)(he)機(ji)器(qi)(qi)的(de)(de)裝配質量(liang)，零(ling)件(jian)(jian)加(jia)工(gong)(gong)(gong)(gong)(gong)質量(liang)包含零(ling)件(jian)(jian)加(jia)工(gong)(gong)(gong)(gong)(gong)精度(du)和(he)(he)表面(mian)質量(liang)兩大部分(fen)。機(ji)械(xie)加(jia)工(gong)(gong)(gong)(gong)(gong)精度(du)是指零(ling)件(jian)(jian)加(jia)工(gong)(gong)(gong)(gong)(gong)后(hou)的(de)(de)實際幾何(he)(he)(he)參數(shu)(shu)（尺(chi)寸(cun)、形狀(zhuang)和(he)(he)位置(zhi)）與(yu)理想(xiang)幾何(he)(he)(he)參數(shu)(shu)相符合(he)的(de)(de)程度(du)。它們(men)之間的(de)(de)差(cha)異稱為加(jia)工(gong)(gong)(gong)(gong)(gong)誤差(cha)。加(jia)工(gong)(gong)(gong)(gong)(gong)誤差(cha)的(de)(de)大小反(fan)映了(le)加(jia)工(gong)(gong)(gong)(gong)(gong)精度(du)的(de)(de)高低。誤差(cha)越(yue)(yue)大加(jia)工(gong)(gong)(gong)(gong)(gong)精度(du)越(yue)(yue)低，誤差(cha)越(yue)(yue)小加(jia)工(gong)(gong)(gong)(gong)(gong)精度(du)越(yue)(yue)高。