Several forms of the double-sided grinding machine processing method
Release date:
2020-03-19 00:00
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1. Dry Grinding: During dry grinding, only a small amount of lubricant additive needs to be applied to the surface of the grinding tool. The abrasive grains remain largely fixed on the tool throughout the process, and their cutting action is primarily achieved through sliding abrasion. While this method isn’t highly productive, it can deliver exceptionally high machining accuracy and produce surfaces with very low roughness values (Ra 0.02–0.01 μm).
Double-sided grinding machine processing method:
1. Dry Grinding: During dry grinding, only a small amount of lubricant additive needs to be applied to the surface of the grinding tool. The abrasive grains remain largely fixed to the tool throughout the process, and their cutting action is primarily achieved through sliding abrasion. While this method isn’t highly productive, it can deliver exceptionally high machining accuracy and produce surfaces with very low roughness values (Ra 0.02–0.01 μm).
2. Wet Grinding: During the grinding process, the abrasive is applied onto the lap, and grinding is performed using dispersed abrasive grains. In addition to the abrasive grains, the grinding compound typically contains substances such as kerosene, machine oil, oleic acid, and stearic acid. As the grinding progresses, some of the abrasive grains become trapped between the lap and the workpiece, as shown in Figure 8-12b. At this stage, grinding primarily occurs through rolling action, resulting in high material removal rates and achieving surface roughness values as low as Ra0.04 to 0.02 μm. This method is generally used for rough machining, though the finished surfaces usually lack a glossy finish.
3. Soft Abrasive Grinding
During the grinding process, an abrasive made from chromium oxide is applied to the working surface of the lap. Since the abrasive material is softer than both the lap and the workpiece, it remains suspended between them throughout the process. The primary mechanism relies on the chemical interaction between the abrasive and the workpiece surface, forming a very thin layer of oxide film. This film is particularly easy to remove at protruding areas, where the abrasive effectively wears it away.
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Several forms of the double-sided grinding machine processing method
1. Dry Grinding: During dry grinding, only a small amount of lubricant additive needs to be applied to the surface of the grinding tool. The abrasive grains remain largely fixed on the tool throughout the process, and their cutting action is primarily achieved through sliding abrasion. While this method isn’t highly productive, it can deliver exceptionally high machining accuracy and produce surfaces with very low roughness values (Ra 0.02–0.01 μm).
2020/03/19
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