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    A grinding steel ball tempering furnace is
    an industrial oven used in a heat treatment process that follows the quenching of steel balls . It reheats the steel balls to a specific temperature and holds them there to increase toughness and relieve stress, while a connected quenching unit rapidly cools the balls. These automated production lines, often using a tunnel or car bottom type furnace, ensure consistent quality and hardness in the final product.
    Key components and process
    • Purpose: The tempering furnace is the second critical stage after quenching, designed to enhance the steel balls' toughness by reducing brittleness.
    • Process:
      • The balls are first heated to a high temperature in a quenching furnace (e.g., 800–850°C) and then rapidly cooled (quenched).
      • They are then moved into the tempering furnace, which reheats them to a lower, specific temperature (e.g., 150–210°C).
      • The balls are held at this temperature for a set time (e.g., 3 hours) before being air-cooled.
    • Equipment:
      • Furnace body: This can be a car bottom or tunnel type, depending on the required daily production capacity.
      • Quenching system: Includes the oil or water bath where the balls are rapidly cooled after being heated.
      • Loading/Pushing/Turning machines: These components automate the movement of the balls through the quenching and tempering stages.
      • Control system: Uses PLC, intelligent controllers, and other devices to automatically manage the entire process and maintain precise temperatures.
    Benefits of a tempering furnace
    • Improved properties: It creates a better balance of hardness and toughness in the steel balls.
    • Increased efficiency: Automated lines significantly increase production efficiency and reduce labor intensity.
    • Consistent quality: The process ensures a stable and consistent product quality, achieving high hardness levels (e.g., over 58 HRC).
    • Energy savings: Automated systems can save energy compared to less advanced methods.
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    • Harden & Temper - Wallwork Group
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    heat treatment furnace - Grinding Ball


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    · 翻译此页
    The main purpose of grinding ball heat treatment furnace is to improve grinding balls quality , change its internal performance and improve its harness.

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    The production process of 10 mm steel ball is: cold sensitivity → stress relief annealing → soft grinding → quenching and tempering → inspection of the hardness ...

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    Grinding balls making machine includes casting grinding ball production line, grinding ball heat treatment furnace , grinding ball metal mould.

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    Grinding Ball heat treatment furnace is quenching and tempering treatment for metal materials it uses fiber cotton and other thermal insulation, PLC, ...

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    It is used for tempering metal parts in the air , or quenching annealing and aging heat treatment of castings. It is widely used in industry.

    2025 Grinding Ball Heat Treatment Furnace


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    Grinding Steel Ball Heat Treatment Production Line . US $ 30,000-80,000 ... Grinding Media Ball Heat Treatment Machine for Oil Quenching /Tempering Furnace.
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    (1) In terms of wear resistance, the hardness of the high chromium ball (HRC≥60) after quenching and tempering is higher, which is more than 2.5 times higher ...

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    Customization options · 1)Fully automatic production line of hot rolling steel ball · 2)Semi automatic production line of hot forging steel ball · 3)Traditional ...
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    作者:LK Gudukeya · 2017 · 被引用次数:3 — The samples were returned into the furnace for tempering at 2500C and held at this temperature for one and half hours. Tempering is done to relieve the.
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