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Application of Vacuum System in Quenching and Tempering

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Quenching and tempering require a vacuum system with strong drainage capacity. The combination of Leybold vacuum system products and Roots pumps can provide a complete solution for quenching and tempering applications.

Ordinary heat treatment has four basic processes: annealing, quenching, tempering and normalizing. Quenching is a heat treatment process in which steel is heated above the critical temperature, kept for a period of time, and then quickly cooled in a quenching agent. The purpose is to improve the hardness, strength and wear resistance of the steel. Tempering is a heat treatment process in which the quenched workpiece is heated to an appropriate temperature below the critical point (below 727°C) for a certain period of time, and then cooled by a method that meets the requirements. The purpose is to eliminate the internal stress generated during quenching and reduce the hardness And brittleness to obtain the required mechanical properties.

The Leybold vacuum system has been widely used in the quenching and tempering of various carburized steel, alloy tool steel, high-speed steel and stainless steel, as well as the solution treatment of various aging alloys and hard magnetic alloys.

The system control part of the Leybold vacuum system:

  1. Control the number of vacuum pumps opened according to the air consumption of the system
  2. Vacuum degree indication (with LCD display)
  3. Instruction of program, time, maintenance and other functions
  4. Alarm indication
  5. 24-hour monitoring
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