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With the advancement of modern technology, it demands greater precision of the large scale bearings, and the tolerance grade also reach P4 and P5. Large bearings are usually manufactured by using CNC Lathes as well as Grinding Tools. Due to the limitations of grinding efficiency and costs are low.
With the research and use of superhard cutting tools full cbn inserts , in many cold processes, turning can replace grinding. This article will describe the process of hard turning bearings rings, and the surface roughness can reach Ra0.4~0.8 and will be adapted to the specifications for the bearing.
For bearings that are hard turning, the characters of the cbn insert
CBN Insert is the best material for machining ferrous metal materials in current times, and has the highest wear and hardness and is second to diamond tools. It can be used to machine materials that have high hardness.
CBN Insert is stable and has a high red hardness at high temperatures. As the temperature increases it will cause the material to soften. This is beneficial to the process of cutting.
CBN Insert has high antioxidant capacity, and will not react with iron materials in the range of 1200 to 1300?, however it will occur Hydrolysis at 1000? When you use solid cbn inserts manufacturers, machining bearings, it is necessary to use dry cutting techniques.
CBN Insert is low in Co-efficient of friction and won't quickly form the chipping layer. It can also improve the surface quality and finish of the workpiece.
CBN materials used for bearings with hard turning
To speed up the time needed to make large-scale bearings machined, we employ solid cbn inserts to boost efficiency and cut the cutting steps. And BN-S20 CBN Solid Insert is one of the most commonly used cbn material.
BN-S20 is a part of solid cbn insert, and the hardness is around HRC951000 and it uses ceramic as binder which can make sure the excellent wear resistance and high chemical resistance at high temperatures.
For example, to machine wind power bearings of diameter 1900mm and thickness 130mm it takes about 18h. If you employ grinding, it can take around 4 hours; if you choose to use turning instead it will take about 4.5h. The roughness can reach Ra0.3um. Turning can have a processing efficiency about four times higher than grinding. Costs are just 20 percent.
Benefits of inserts made by CBN with hard-turning bearings
(1) The efficiency of the company has increased numerous times,
(2) It is suitable for mass order and is long-lasting.
(3) Reducing the impact of pollution In comparison to grinding processes chips are easy to recycled. Turning process doesn't need cutting fluid.
Conclusion
If we utilize cutting tools cbn hard turning bearings with CNC Lathe It will provide the highest efficiency of operation, and will reduce the costs of the tool. As the industry develops increasing number of manufacturers of bearings use cbn inserts in place of grinding.
With the research and use of superhard cutting tools full cbn inserts , in many cold processes, turning can replace grinding. This article will describe the process of hard turning bearings rings, and the surface roughness can reach Ra0.4~0.8 and will be adapted to the specifications for the bearing.
For bearings that are hard turning, the characters of the cbn insert
CBN Insert is the best material for machining ferrous metal materials in current times, and has the highest wear and hardness and is second to diamond tools. It can be used to machine materials that have high hardness.
CBN Insert is stable and has a high red hardness at high temperatures. As the temperature increases it will cause the material to soften. This is beneficial to the process of cutting.
CBN Insert has high antioxidant capacity, and will not react with iron materials in the range of 1200 to 1300?, however it will occur Hydrolysis at 1000? When you use solid cbn inserts manufacturers, machining bearings, it is necessary to use dry cutting techniques.
CBN Insert is low in Co-efficient of friction and won't quickly form the chipping layer. It can also improve the surface quality and finish of the workpiece.
CBN materials used for bearings with hard turning
To speed up the time needed to make large-scale bearings machined, we employ solid cbn inserts to boost efficiency and cut the cutting steps. And BN-S20 CBN Solid Insert is one of the most commonly used cbn material.
BN-S20 is a part of solid cbn insert, and the hardness is around HRC951000 and it uses ceramic as binder which can make sure the excellent wear resistance and high chemical resistance at high temperatures.
For example, to machine wind power bearings of diameter 1900mm and thickness 130mm it takes about 18h. If you employ grinding, it can take around 4 hours; if you choose to use turning instead it will take about 4.5h. The roughness can reach Ra0.3um. Turning can have a processing efficiency about four times higher than grinding. Costs are just 20 percent.
Benefits of inserts made by CBN with hard-turning bearings
(1) The efficiency of the company has increased numerous times,
(2) It is suitable for mass order and is long-lasting.
(3) Reducing the impact of pollution In comparison to grinding processes chips are easy to recycled. Turning process doesn't need cutting fluid.
Conclusion
If we utilize cutting tools cbn hard turning bearings with CNC Lathe It will provide the highest efficiency of operation, and will reduce the costs of the tool. As the industry develops increasing number of manufacturers of bearings use cbn inserts in place of grinding.