March 2017
Intermediate to advanced
232 pages
4h 44m
Chinese
Content preview from 自造手冊：新工業革命實務指南
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我
們要介紹的最後一種數位製造技術
就是
雷射切割
（
laser cutting
）。時
至今日，好像沒有一台雷射切割機就不
能自稱為自造者。雖然我們不太同意這
個觀點，但雷射切割機的確是自造者工
具庫裡面非常重要的一項工具。
雷射
雷射
（
laser
）一詞是
受激輻射式微波放
大器
（
light amplification by stimulated
emission of radiation
） 的 縮 寫： 好 長 的
一串字，但基本上的意思是“小心，會
燒起來！”
雷射能將大量的能源集中到一塊非常小
的區域中，藉此將所要處理的材料（或
敵軍機器人）融化、燒灼或甚至蒸發。
根據這個原理，雷射切割機可用來處理
各式各樣的材料。
雷射切割機
市面上有許多款式的雷射切割機，各自
有種不同的可處理材料、機構、光學結
14
雷射切割
構、所採用的雷射種類以及其他因素等
等。現行大多數的雷射切割機都是氣體
激發式，主要是二氧化碳（CO
2
）。除了
用來引導與聚焦由雷射所發出紅外光的
光學系統之外，還會噴發空氣清除雷射
切割過程中所產生的小碎片。
某些切割機的雷射頭是固定的，而材料
移動；其他機種則是材料固定不動，雷
射光移動。這類型的機種中，大多數的
雷射管（
tube
）都保持不動，由一排可移
動的鏡面將雷射光束（
beam
）導引到指
定的位置。鏡面移動的方式很像是噴墨
印表機的噴頭，只是在兩個軸向上而非
單一軸向，因此它們可以處理一整個平
面。說到底，雷射切割機實際上就是台
電腦數值控制（CNC）機具，可讀取各
種指令並引導雷射刀具進行作業。
雷射切割機可處理許多種材 ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.