Hydraulic Shearing Machine blades selected materials are divided into three type: carbon tool steel, low alloy tool, alloy tool steel, etc.. Shear machine supplier pointed out that: carbon junction steel is generally used 65, 75 steel, T8, T10 and other materials, this material produces blades heat treatment hardness HRC57-59 degrees range, suitable for ordinary low carbon cold rolled plate, ordinary A3 plate and waste recycling shear, which is characterised by low cost, the product price is appropriate; low alloy tool steel blades commonly used materials for: 6Crw2sI,, 5wSiCr, 9CrSi, H13, Cr12MoV, etc., the blade's heat treatment hardness of HRC58-62 degrees within the scope of the special shear stainless steel, suitable for hot-rolled plate, stainless steel, medium and thick plate shear; alloy tool steel shear blade materials are: 4Cr5MoSiV1 (H13K), 7Cr7Mo2V2Si9 (LD) W6Mo5Cr4V2 (6542) H13: and so on. This material blade is used for hot rolling billets, hot shear medium and thick steel plates, etc. This is characterised by high temperature resistance, not easy to anneal, used in steel mills, hot rolling, hot shear process.
Notes on using shear blades:
➊The person operating the shearer must have a very good understanding of the equipment including its performance, mechanism, function, etc.
➋It is prohibited to process plates that are not within the permitted range, such as hardened steel stock, hardened steel, high-speed steel, alloy steel, castings and non-metallic materials.
➌Need to check whether the edge of the blade is sharp, if it has rusted and become blunt or have a gap, should be replaced or repaired in a timely manner.
➍When more than one person co-operate to operate the shearer, you need to listen to the command of one person and should not have their own ideas, you need to co-ordinate the operation.
➎It is not permitted to operate the shearer with two different types of material at the same time, let alone overlapping the cut material.
➏In the operation of the feeding process, it is not allowed to use hand push but should use the corresponding feeding auxiliary equipment, cutting short materials should be used to press the iron plate, operation is prohibited fingers from the knife within 200mm.
➐For the shear after the sheet must be placed, not too high to avoid falling down on people, not stacked in the aisle so as not to bruise, excess edge residue or scrap need to be cleaned up in a timely manner, the operating table and equipment around the periphery do not place extraneous items.
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