Knowledge

  • 20

    May-2025

    Grinding of stainless steel

    Grinding characteristics of stainless steel 1.Grinding swarf is prone to adhere to and clog the grinding wheel. Due to the influence of the chemical, physical and mechanical proper

  • 28

    Apr-2025

    Grinding of high-vanadium high-speed steel

    High-speed steel is a type of quenched steel with special purposes. Due to its vanadium content ranging from 1% to 5%, especially when it exceeds 3%, it is called high-vanadium hig

  • 23

    Apr-2025

    Properties of high speed steel tool materials II

    Properties of high speed steel tool materials 2. Strength, toughness and heat resistance The strength and toughness of high speed steel are the highest among existing tool material

  • 15

    Apr-2025

    Properties of high speed steel tool materials Ⅰ

    Properties of high speed steel tool materials 1. Hardness and wear resistance The hardness of universal high-speed steel after quenching and tempering is 63~66HRC, and the hardness

  • 07

    Apr-2025

    Cutting of soft rubber (Ⅱ)

    Cutting of soft rubber (3) Tool and cutting parameters ① Tool material. The tool materials for cutting soft rubber are high speed steel and YG class cemented carbide. ② Geometric p

  • 31

    Mar-2025

    Cutting of soft rubber (Ⅰ)

    Cutting of soft rubber Rubber is one of the material, with large difficulty in cutting and grinding. Shungji knife has much experience for the cutting tools. (1) Classification of

  • 24

    Mar-2025

    The sharpening of a paper cutter

    When the paper cutter appears the following situation must change the blade sharpening. 1) The cut has uneven knife marks, that is, there are small gaps at the blade, which are cau

  • 17

    Mar-2025

    Three-sided paper cutter in the printing industry

    Generally, the common knives in paper mills have slitting knives, circular knives, guillotine knives, etc. In actual printing, a combination tool is commonly used, with three strai

  • 13

    Mar-2025

    How to choose a precision tool in sheet metal cutting

    When customers choose tools, in addition to the price and the processing accuracy of the blade, they should also examine the supplier's ability in tool manufacturing in the fol

  • 10

    Mar-2025

    Application of crushing knife in plastic recycling

    Plastic recycling is a key industry that transforms waste plastics into reusable materials, aiming to solve the global waste problem. The process involves shredding, granulating, c

  • 05

    Mar-2025

    What is powder metallurgy HSS, VS general HSS?

    High speed steel has a high tungsten content, and it is known for its good high-speed cutting performance in the machining industry. Because of its different tungsten content, high

  • 15

    Apr-2026

    Why Do Shredder Blades Wear Out Fast? Key Factors That Affect Blade Life

    The service life of the blade is affected by a variety of factors: 1. Material pretreatment Some pulverizers require pretreatment of raw materials, such as removing large metal pie