How to improve the yield of sawn timber

In the past, people used to use side cutting to intercept wood. The cut is tangent to the annual ring of the wood. There are different annual rings of wood on the opposite sides of the same piece of wood. Therefore, it is easy to be warped or twisted due to different water shr

Oak Beer Launches PET Beer Bottle

At present, plastic bottle beer has just started in the domestic market, but sales growth in foreign markets is very fast, especially in Germany and Japan and other beer producing countries, in recent years, the market share of plastic bottle beer has grown at an average annual rate of 30%. . Acc

Discussion on Improving the Precision of Bucket Thread

Discussion on Improving the Precision of Bucket Thread Ren Bingwen, Bazhou Branch of Bengbu Packaging Machinery Factory Our factory manufactures barrel plugs by steel stamping and rolling thread technology. After several years of trial production, the current annual production capacity of barrel

Post-Binding Technology 1000 Questions--Basics Part Seven

154. What is the spread match? A: An ancient manning method using manual soft sheets and signatures. When collating, the number of the first or last edition of the signature will be trapezoidal. Then the second edition will be covered with a trapezoid along the first edition. After the signatures