Introduction of new wire drawing process (coating)

In the metal product industry,the pre-treatment coating of wire rods has been using an old process that has not changed for decades,and it is still mainly phosphating and boronizing.The coating material of the boronization process is borax,which is a toxic substance.The surface of the steel wire drawn by the boron coating process is easy to absorb moisture and rust,and it is difficult to meet the requirements of high-strength steel wire drawing.Phosphating is better than boron coating in drawing performance,but acid must be used to activate the wire surface in the phosphating process.In addition,there is no effective method for the treatment of residual phosphorus.Both of the above two coating processes will cause greater pollution to the environment.

　　The coating we now introduce is a non-toxic,odorless,and purely environmentally friendly synthetic material,and its performance is better than phosphating.

　　The advantages and disadvantages of coating(process):

　　1.Low consumption cost,better performance than phosphating process.

　　2.Absolutely environmental protection.No acid washing,no sewage,waste gas,or waste residue.

　　Three,simplify the process.

　　Process flow:pay-off-peeling-coating-drying-drawing.

　　Fourth,it can be applied to all dry drawing processes,and its lubrication performance is better than that of phosphate coating.

　　5.Operation and testing are simple and easy to learn.The wire drawing workers can master the technical points after simple training.

　　Six.It has certain anti-rust and anti-corrosion properties.

　　Seven.The surface of the steel wire is easy to clean after drawing,and the post-processing of galvanizing is faster and simpler.

　　Successful case:①Application of 82B steel strand.

　　②The application of oil quenched steel wire.

　　③The application of ordinary spring steel wire.

　　④The application of standard parts industry,the application of cold forging industry.

　　⑤92#Wire drawing application.The phosphating drawing speed is 1.8m/s,and the coating drawing speed is 2.4m/s.

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