Water-based quenching equipment and quenching method for phi76.2mm steel balls made of GCr15SiMn steel
A technology of water-based quenching and water-based quenching agent, applied in the direction of quenching agent, quenching device, heat treatment equipment, etc., to achieve the effect of ensuring the heart tissue, improving the hardness of the heart, and cooling uniformly
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[0018] Example 1:
[0019] Bearing parts model: φ76.2mm steel ball, material: GCr15SiMn. 500 capsules. Technical requirements: surface hardness HRC60~64, core hardness ≥HRC57.
[0020] GCr15SiMn steel Ф76.2mm water-based quenching method, the heat treatment, quenching and tempering equipment is a pit furnace, and the quenching cooling medium is a water-based quenching liquid (ZHY-101 type water-based quenching agent and water from Dalian Sanjin Lubricating Oil Co., Ltd. 1:1 ratio solution), medium temperature 40 ℃. Its implementation steps are as follows:
[0021] 1. Loading: The steel balls are evenly distributed on the flat material tray, and the number of layers is one layer;
[0022] 2. Pit furnace heating: heating temperature 810℃, heating time 180min;
[0023] 3. Quenching and cooling in the quenching tank: After the steel balls are heated, they are lifted out together with the material tray, and placed in the quenching tank for cooling. The operation time from rel...
Example Embodiment
[0027] Example 2:
[0028] Bearing parts model: φ76.2mm steel ball, material: GCr15SiMn. 800 capsules. Technical requirements: surface hardness HRC60~64, core hardness ≥HRC57.
[0029] GCr15SiMn steel Ф76.2mm water-based quenching method, the heat treatment, quenching and tempering equipment is a pit furnace, and the quenching cooling medium is a water-based quenching liquid (ZHY-101 type water-based quenching agent and water from Dalian Sanjin Lubricating Oil Co., Ltd. 1:1 ratio solution), medium temperature 30 ℃. Its implementation steps are as follows:
[0030] 1. Loading: The steel balls are evenly distributed on the flat material tray, and the number of layers is one layer;
[0031] 2. Pit furnace heating: heating temperature 805℃, heating time 175min;
[0032] 3. Quenching and cooling in the quenching tank: After the steel balls are heated, they are lifted out together with the material tray, and placed in the quenching tank for cooling. The operation time from rel...
Example Embodiment
[0036] Example 3:
[0037] Bearing parts model: φ76.2mm steel ball, material: GCr15SiMn. 800 capsules. Technical requirements: surface hardness HRC60~64, core hardness ≥HRC57.
[0038] GCr15SiMn steel Ф76.2mm water-based quenching method, the heat treatment, quenching and tempering equipment is a pit furnace, and the quenching cooling medium is a water-based quenching liquid (ZHY-101 type water-based quenching agent and water from Dalian Sanjin Lubricating Oil Co., Ltd. 1:1 ratio solution), medium temperature 45 ℃. Its implementation steps are as follows:
[0039] 1. Loading: The steel balls are evenly distributed on the flat material tray, and the number of layers is one layer;
[0040] 2. Pit furnace heating: heating temperature 815℃, heating time 190min;
[0041] 3. Quenching and cooling in the quenching tank: After the steel balls are heated, they are lifted out together with the material tray, and placed in the quenching tank for cooling. The operation time from rel...
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