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您當前的位置： 首頁 > 資訊頻道 > 客戶案例 > 電子産品 > 鋁合金手機外殼加工廠家-手機鋁件中框的CNC加工探究

鋁合金手機外殼加工廠家-手機鋁件中框的CNC加工探究

作者：編輯：來源：发布日期： 2021.12.09

信息摘要：

智能化時代的到來,手機成爲了我們工作中及生活中必不可少的東西到現在大部分采購CNC來生産中框,中框與玻璃的面板相結合而成,本文就簡單介紹下C…

鋁合金手機外殼加工廠家-手機鋁件中框的CNC加工探究

智能化時代的到來,手機成爲了我們工作中及生活中必不可少的東西,隨著網絡從4G到5G時代的到來,智能手機爲我們的工作與生活帶來了很多方便,手機的生産與隨功能的不同而發生不同,原來的外殼有基本分爲塑膠與壓鑄的工藝來制造,到現在大部分采購CNC來生産中框,中框與玻璃的面板相結合而成,本文就簡單介紹下CNC加工鋁合金手機中框的工藝作出技術探索；

铝合金中框加工

1、基于玻璃面板與鋁邊框配合,邊框的壁厚是多少適合CNC加工?
邊框壁厚厚度是影響CNC加工良品率的關鍵,一般厚度在2.5MM以上,因爲加工時會産生變影産生不良發生,還有表面的刀紋也是無法避免,
2、加工過程中的夾具
一個設計好的夾具是生産手機中框的另一個重點,裝夾不穩定會導致尺寸不穩定,生産效率慢等不良,我司一般采用的是汽動的夾具,並用采用4軸CNC來生産,盡量讓一次性可以加工3個面.
3、對切削冷卻液的要求
一个表面没有沙孔,及刀纹表面光洁度在RA 0.6以上的表面,其切削冷却液的也很大的影响,首先们要定其检查切削液的PH是否含咸性太高,如果含量太高时表面有腐蚀出现沙孔的风险,并且要定期更换切削液一般为3个月更换一次,以免对表面影响
4、CNC粗加工處理

用CNC机台用铝板做粗加工出来,注意精加工的基准尺寸 ,并要把这个尺寸尽量放到最小,确保第二次精加工时所有关链尺寸的稳定性,并要考虑好纳米注塑时的走注流道,

手机中框加工

5、納米注塑成型
用粗加工好的中框,一般采用PBT.PPS和PPA材料,用注塑模具進行成型加工,這是一種金屬與塑料經納米技術結合在一起的工藝方法,該工藝先將金屬表面經過納米化處理後,再將塑膠直接射入到金屬表面,使金屬與塑料可以一體成型,其好處爲讓産品更輕.薄.小,且對比CNC直接加工成本更加低
6、精加工
一般采用進口CNC機台進行,因爲其所有加工的刀紋必須采購320#的沙都能蓋掉,一個蘋果質感的表面就會産生出來,
7、表面抛光研磨
對外觀平面較大的平我們還要采用研磨的方式進行抛光,經過研磨後的表面噴砂氧化時的良品率才會提高
基于以上的過程,我們生産類似于蘋果外觀等級標准的鋁合金零件時,一定會按上面的工藝來進行加工,歡迎您參與探討,讓鋁合金cnc加工越來越高效!!

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