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Steel combination holding frame instead of copper protection extension bearing life
Source: Bearing network time: 2018-02-02
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Gwangyang Group selected Q195/08F data to produce a reinforced four-row cylindrical roller mill bearing frame; it is composed of a column and a retaining ring. The column is made of high-quality carbon steel 08F cold-drawn and the two rings are cold-rolled. Steel plate Q195 stamping and forming; forming the standing column and retaining ring products using high-precision mold to completely ensure the assembly accuracy of the parts assembly device.
The mechanical function of the high-quality carbon layout steel 08F is not less than 18 kg per square mm, the tensile strength is not less than 30 kg per square mm, the elongation is not less than 35%, the shortening rate is not less than 60%, and the Brinell hardness value is The square millimeter is not more than 131 kg. The mechanical function of 08F is completely satisfied with the application requirements of the bearing bracket of the reinforced four-row cylindrical roller mill; and it is superior to the mechanical function of brass to make this type of bracket.
The reinforced four-row cylindrical roller mill bearing combination made with Q195/08F data has many advantages:
1. The reinforced four-row cylindrical roller mill bearing increases the useful length of the tumbling body; the radial bearing of the bearing can be improved by about 20% compared with the radial bearing of the four-row cylindrical roller bearing depicted by the original comb-shaped bracket. The combination of Q195/08F data has a smooth groove in the layout depiction; it reduces the receiving surface; it also makes up for the lack of smooth function of the iron-iron adhering frame/brass sticking frame; the smooth function has been greatly improved.
2. Adhere to the requirements of the bearing characteristics of the reinforced columnar roller mill in the drawing; the layout is common; the mold is cold drawn; the friction coefficient between the roll and the frame is reduced; Function, together; adhere to the column to open the radial oil groove; to ensure that the bearing rolling body and the raceway touch surface have smooth grease; improve the smooth function of the combination bracket; thus; greatly improve the bearing life number.
3. Adhere to the stamping and forming process of the frame retaining ring; the parts exchange precision is high; the operation complexity of the assembly is simplified.
4. Adhere to the accuracy of frame assembly by special assembly tires; thoroughly ensure the accuracy of bearing assembly. The reinforced four-row cylindrical roller mill bearing made of 08F high-quality carbon layout steel is completely adhered to the mechanical function and function. It is better than the copper alloy to adhere to the frame; it is used in the production line of the cold/tropical steel rolling mill; it has an outstanding effect; it has received the farewell of the bearing application customers.
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