The rotation accuracy of diamond grinding wheel spindle should be high
Ultra hard grinding wheel, especially high-speed grinding, requires good machining stability, low oscillation, and high linear speed. Therefore, there is a requirement for grinding machines:
(1) The spindle rotation accuracy of diamond grinding wheels should be high.
(2) The rigidity of the grinding machine is better, generally requiring a height of about 50% higher than that of a regular grinding machine, and usually should not be less than 100N/ μ The order of magnitude of m.
(3) The accuracy of the grinding machine feed system should be high, and the feed speed should be uniform and correct. The longitudinal feed speed should reach 0.3m/min, and the transverse feed (cutting depth) should reach 0.001~0.002mm per single stroke to ensure the scale accuracy, some external shape accuracy, and surface roughness of grinding.
(4) The moving parts of the grinding machine, such as the headstock spindle and bearing parts, and the feed motion guide rail part, should have reliable seals to prevent superhard abrasive from entering and accelerating the wear of the machine parts.
(5) There should be a relatively complete grinding fluid filtration and supply system, with a filtration accuracy of less than 0.5 μ M.
(6) Each part of the grinding machine should have corresponding vibration prevention and isolation methods, and the diamond grinding wheel should be dynamically balanced.
Article source: Diamond grinding wheel
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