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Customer case

Substitute imported coated wire rod

Font Size: [Big][Mid][Small] 2016-7-27    Views: 822    

The coating line stick is a common coating tool, which is applicable to the special equipment for making the coating on different bottom material. The wire rod coating rod is suitable for glass plate, steel plate, aluminum plate, wood board, plastic board, and is especially used for making films on soft bottom materials such as paper, leather and textiles.
Coated wire rod is used to roll forming, film thickness and uniformity are determined by the precision of the wire rod. The precision of the rolling wheel is the core of the coating line.
Coated bar because of the complexity of the production process, the accuracy requirements too high, has been to Europe and the United States, the company monopoly, such as Japan OSG and the RDS, a domestic agents find Rothschild, hope trying to make, Rothschild is also willing to break coating line rod for the foreign monopoly situation, so willing to undertake trying. This, of course, to the Rothschild is also a huge challenge, success of the coated wire rod production, not only depending on rolling wheel and extruded stainless steel material. Ensure concentricity and roundness of OD grinding. Rolling wire machine accuracy. Guide bracket precision machine adjusting the technology. This is a systematic project.
Material: 304 diameter 16mm, rolling teeth high 0.21mm, dome round bottom, roll, workpiece length 1.8m
Rothschild provided according to the customer's imports of coated wire rod surveying and mapping of the drawings, design produced a pair of rolling wheels started trial rolling, rolling found teeth arc bottom OK, rounded crest variation, lateral tooth not straight, rolling rod deflection is larger, after rolling stainless steel with a crack.
We first find out the test report of the rolling wheel of our company, the contour instrument test shows that the tooth crown of the rolling wheel, the tooth bottom, the side line of the tooth is complex, and the outline of the rolling wheel is not a problem.
Secondly, it demonstrates the design of the rolling wheel, to see if there is no rolling forming time is too short, there is no interference and other issues, the conclusion is that there is No.
Through the rolling found that the material has cracks, the tooth top arc size is different, the arc is not in a straight line. So the next verification material, we suspect that the material of the uneven microstructure. Uneven hardness. Impurity content. Roundness roundness; the customer supplied material, our own material selection, and cut to length of 200 mm, by coreless grinding, then roll wire rolling machine and found no profile variation and crack. It not only confirm the quality problems of the material, and verify the thread rolling wheel is no problem.
Once again to verify the rolling machine, we made by domestic and imported rolling machine rolling 1.8mm bar material, there will be the head of the tooth type OK, tail tooth type variation of the situation, the preliminary determination of the workpiece roll in the swing caused by.
Finally making a positioning guiding device, head and tail placed supporting frame, through the test roll, did not appear above problems, tooth type precision to meet the requirements, high degree of finish, custome

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