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Modification and Maintenance of Grinding Machinery
Release time:
2023-11-10 16:42
As many stone care customers gradually shift into the flooring and artistic terrazzo flooring industries, stone grinding and renovation machines are no longer suitable for floor grinding—these machines require upgrades and modifications.
1. Add machine speed control functionality by installing a frequency converter.
2. Incorporate a dry-grinding vacuum system. Industrial and commercial flooring often fails to achieve the same level of flatness as on-site stone materials after installation. During the rough-grinding phase, operators typically reduce the speed of the grinding disc when using floor-grinding machines to ensure high-precision, smooth finishing. Lower-speed grinding not only minimizes the risk of sand loss from the floor surface but also aligns with the need for automatic self-repair during coarse grinding. Moreover, dry grinding is essential for the entire floor-grinding process, as it enhances grinding efficiency, boosts cutting and leveling speeds, supports environmental protection, and meets the requirements of the floor’s subsequent curing and mirror-finish treatments.
At the same time, pay attention to the grinding machine's usage requirements: 1. To modify or partially modify the surface of concrete and red bricks into a state resembling glass—achieving their inherent density, hardness, and strength—one must first grind and penetrate these materials with a liquid sealant that mimics the glass-like structure. This process enhances their density, strength, and hardness, effectively transforming them into a more durable, glass-like finish.
2. Grind and polish to achieve a perfectly flat surface, laying the foundation for transmitting light, reflecting light, and forming images with accurate magnification. But how exactly should the grinding be performed? The direction of mechanical grinding must be carefully determined, and precise control over both grinding time and speed is crucial. Additionally, it’s essential to decide whether to proceed with step-by-step grinding, skip-grade grinding, or to select specific types and grit sizes of grinding wheels.
3. Criteria for Flatness and Detection Method: Should we assess absolute flatness or relative flatness? Typically, we focus on relative flatness here, as achieving absolute horizontal alignment is quite challenging—especially when dealing with large-area surfaces, which differ significantly from the precision required for individual stone slabs. The standard for relative flatness is that, when a 2-meter straightedge is placed vertically against the surface, the maximum gap between the edge of the ruler and the lowest point in the middle should not exceed 2 mm—or even smaller values. To test flatness, place the straightedge against the floor and insert a thin sheet or piece of paper, 1–2 mm thick, into the gap at the midpoint. Conduct this check across 10 separate points in the area, then calculate the average value.
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