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. 對于中型貨架，市面上較多采用的是梯形孔和蝴蝶孔。梯形孔沖壓方便，便于客戶進行二次擴充；蝴蝶孔美觀大方，牢固易安裝。南方也有廠家采用自己獨有的孔型，這樣客戶再進行貨架改造則必須依靠其廠家。
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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