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铝合金门窗常用设备操作时应该注意什么

2020-01-03

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铝合金门窗常用设备操作时应该注意:

铝型材双头切割锯

(1)保持两机头角度误差方向相反,使得组角的时候该误差得以补偿。

在双头锯的制作和使用的时候我们力求使45度准确,但无论如何准确,其误差仍然是存在,那么当调整的时候,让一个机头 相对标准角度出现上偏差,另一个的机头出现下偏差,于是在组角的时候,这两个偏差相互抵消,组角缝隙最小。

(2)选择合理的型材平面做为定位基准,可以提高切割角度精度。

人们一般喜欢选择叫大的平面作为定位的基准,但是有时这个大的平面并不够准确,我们就应选择准确的哪怕是 较小的平面。

(3)特殊型材使用定位板,可以减少偶然误差。

有些型材没有相互垂直地两个定位面,或者定位面特别小,或者是难于装夹,这是就需要设计一个定位板,来避免因定位不准确产生的偶然误差。

(4)同批同长度的型材一次调整尺寸切割,减少定位系统误差。

一批型材可以是一天或者几天的工作量,也可以是几樘窗地工作量。这些相同长度的型材一次地切割,便使原始误差变得 最小。如果采用数显形式的切割锯则是不必如此。

(5)中梃长度取下偏差,提高成窗连接的强度。

中梃的长度是设计的理论尺寸,切割定尺的时候要求实际切割尺寸不能大于设计尺寸,这样在装配的时候对中梃两端的连接件 产生拉应力,有利于成窗更加牢固。

(6)保持工作台清洁,也可以减少切割的角度偶然误差。

(7)合理的进给速度,提高加工面的质量。速度过快容易损伤锯片,过于慢,可能产生积屑瘤,影响切割表面质量。

(8)及时修磨锯片,减少切割毛刺与噪音。

(9)用好托料架,减少角度误差。

机器上的托料架一方面稳定型材使得操作更方便,另一方面防止切割角度的误差,当机器中有随动托料架的时候,操作着可免除这种担心。


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