狠狠色一日本高清视频_精品高清无码网站很黄很色_JK娇喘高潮福利视频_日韩欧美一区二区黄色_日韩美女网站在线看_51xx影视午夜福利_好看的毛片网站中文字幕的_思思99热这里只有精品6_亚洲人护士毛茸茸_天堂一区资源在线资源2020不卡

What is the production process for keychain

2023-04-17 797

Plan a keychain blueprint: It is necessary to plan a keychain blueprint, including the style, pattern, text, and so on of the keychain. Able to use graphic planning software and other tools, as well as manually draw with paper, pen, and ruler.


Manufacturing metal molds: Based on the planned drawings, use metal materials to create molds that are the same as the planned drawings. Metal mold manufacturing software can be used for mold manufacturing.


中山鑰匙扣


Electroplating and coloring: Electroplating and coloring the manufactured metal mold to make the keychain more aesthetically pleasing. Able to use methods such as vacuum electroplating and high-frequency electroplating.


Install keychain accessories: Install various accessories on the surface of the keychain, such as keyrings, pendants, etc., to make the keychain more useful.


Inspection and polishing: The keychain needs to be inspected and polished, including correcting the shape of the keychain, adjusting the orientation of accessories, and so on.


Article source: Zhongshan Keychain andalyze.cn