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What are the structural characteristics and factors affecting processing accuracy of vertical spindle circular table surface grinders?
Release Time:
2025-08-22
The core feature of a vertical spindle circular table surface grinder is its vertically arranged spindle and horizontally rotating worktable. Among these, the column serves as the core load-bearing component supporting the spindle housing, and its structural rigidity is of critical importance. High-quality machine tools utilize premium cast iron, undergo scientific aging treatment, and feature a rational internal rib layout, forming a high-rigidity box-type or frame structure. Wide guideway contact surfaces and high-precision guideway pairs (such as plastic-coated or rolling guideways) ensure the smoothness and vibration resistance of the spindle system during vertical movement, providing a solid foundation for grinding operations.
The stability of the column structure is one of the key factors influencing the flatness of the workpiece. The massive cutting forces generated during grinding can cause minor elastic deformation or vibration if the column lacks rigidity or the guideway pairs lack precision. These minor changes are directly transmitted to the contact point between the grinding wheel and the workpiece, leading to uneven grinding depth and ultimately forming microscopic ripples on the workpiece surface or affecting overall flatness precision. Therefore, a sturdy and stable column is the foundational guarantee for achieving excellent flatness.
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