Medium-duty type bracks
Different types of shelves use different hole types for the beam to be hooked. The hole types commonly used in the market today include trapezoidal holes, butterfly holes, rhombic holes, bean sprouts holes, and eight-hole holes. The specific hole type does not stipulate the implementation standard, and most of them are the corresponding hole types adopted by each manufacturer according to their own production process. 对于中型货架，市面上较多采用的是梯形孔和蝴蝶孔。梯形孔冲压方便，便于客户进行二次扩充；蝴蝶孔美观大方，牢固易安装。南方也有厂家采用自己独有的孔型，这样客户再进行货架改造则必须依靠其厂家。
Details
The standard type of medium-sized shelf is beautiful in appearance, suitable for wide surface, convenient for installation and disassembly, 75mm pitch adjustment, and carried at 100kg~350kg. Non-standard large-span large load bearing, 75mm pitch adjustment novel appearance, bearing 300kg~1000kg . The medium-sized shelves are strong and strong, and the medium-sized shelves are widely used in shopping malls, supermarkets, enterprise warehouses and institutions. Usually divided into medium-sized A-type shelves, medium-sized B-type shelves and medium-sized C-type shelves. Generally, it can be assembled and disassembled, the height of the laminate can be adjusted; the load-bearing layer bears 200-800 kg; all the metal parts of the shelf are treated with anti-rust treatment, and the exterior is electrostatically sprayed; the medium-sized shelf is suitable for storing goods in large, medium and small warehouses. In the practical application, the A-type shelves and the medium-B type shelves are classified.
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