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木掀头(即扬谷板)是利用胶合板下角单板,经耐水胶合剂胶合而成的异形胶合板。青岛人造板厂自生产木掀头以来,一直是生产7毫米等厚度的木掀头。经调查,用这种胶合板木掀头代替用柳木独板加工的木掀头,很受欢迎。但也发现一些问题,主要是木掀头前后厚度相同,与农村用柳木加工的前刃薄后头厚的木掀头相比,使用不方便,而且后头镶把部位易拆断。经分析认为,这主要是结构上的问题,必须从结构上进行解决。在广泛听取群众意见的基础上,改为前头薄(7毫米)、后头厚(9毫米)的楔形木掀头。经过几年来的生产实践,效果良好,解决了镶把部位拆断现象。
Wood lift (that is, Yang board) is the use of plywood under the corner veneer, glued together by the water-resistant glue shaped plywood. Wood-based panel factory in Qingdao since the production of wooden lift has been the production of 7 mm thickness of the wood lift. After investigation, it is very popular to use this plywood wood lift instead of the wooden lift made of willow wood veneer. But also found some problems, mainly the same thickness of wood before and after the lift, and the rural front with thin willow wood processing thinner than the wooden lift, inconvenient to use, and set the rear part of the easy to break off. The analysis shows that this is mainly a structural issue and must be solved structurally. On the basis of extensively listening to the opinions of the masses, the switch was replaced by a wedge-shaped wooden crane with a thin front (7 mm) and a thick rear (9 mm). After several years of production practice, the effect is good, to solve the part of the cut off the phenomenon.