Industrial Blades, Slitting Blade, Shearing Blades ​ from NJJF China Manufacturer. High-quality and Cost-effective. Competitive factory direct price! 
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  • 2021-02-24

    1. General law The basic rules of the influence of microscopic slitter knives structure on the wear performance of wear-resistant materials can be divided into two categories:(1) When the penetration depth of abrasive particles is greater than the size of the microstructure, the microscopic slittin

  • 2021-02-04

    9crsi material shredder blades are of high quality and low price, which is the choice of most customers. Our 9crsi shredder blade is suitable for cutting and crushing plastics, mineral water bottles, wood, film, car interiors, PE, etc. Chemical composition of shredder blade Carbon C: 0.85~0.95Silico

  • 2021-01-28

    In order to extend the service life of the tool, it is necessary to select a reasonable type of metalworking fluid and optimize the processing method. This is especially true for difficult-to-process materials. When cutting difficult-to-machine materials, high-quality cutting fluid is required. The

  • 2021-01-15

    In order to ensure the welding quality of the steel inserts, the welded blades should be carefully inspected to find out the causes of defects and improve them. Before the inspection, the steel insert blade should be sandblasted or lightly ground to remove the solder and impurities adhering to the b

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