** Download Real Size Sketchup 3D Model 下載真實尺寸3D模型 **

您是否奇怪過,木頭大於9cm厚是稀鬆平常的事,而您卻到處找不到能鑽9cm深孔的鑽床?衝程愈長價格愈貴,一台長5吋以上衝程(不是喉寬喔!)鑽床往往要2000美元以上.本例以水泥攪拌機為例,教您如何DIY一台又穩又準又有力的12.5cm長衝程鑽床.點取這裡閱讀,或抓回去列印. – Have u ever wondered why there are thick wood stock all over the market and yet u can’t even easily find a long-stroke drill press? The longer the stroke the higher the price. A price tag of a long-stroke drill press can easily go as high as US$2000. In this article we take a commonly seen cement mixer as an example, and teach you how to make a powerful, solid and precise 5″ stroke drill press out of a cement mixer. Click HERE to read more, download and print as u wish.