How to Remove Stains After Flat Grinding and Polishing with a machine?
When using flat grinding machines and flat polishing machines, it is common to notice small blemishes or “stains” on the processed surface. These blemishes not only affect the aesthetic quality of the workpiece but may also impact precision in high-demand applications.
The main causes of these blemishes include insufficient cutting force of abrasive particles in the grinding or polishing fluid, causing them to roll or slip between the workpiece and the polishing pad. Other factors may include dust, larger debris, or tiny particles entering the space between the workpiece and the polishing surface during operation.
To address these issues, several measures can be taken:
- Maintain Clean Polishing Fluid: Regularly replace the grinding or polishing liquid in the acrylic polishing machine to ensure abrasive particles remain effective.
- Ensure Work Area Cleanliness: Keep the entire grinding and polishing environment free from dust and debris. Even small contaminants can lead to blemishes on delicate surfaces.
- Use Proper Abrasive Grit: Select the correct grit size for the material being polished. Too coarse or too fine can cause uneven surface finish and generate small spots.
- Check Polishing Pads: Inspect wool, sponge, or diamond pads for wear and replace when necessary. Worn pads can create inconsistent contact and increase blemishes.
- Control Pressure and Speed: Maintain uniform pressure and appropriate rotational speed of the acrylic polishing machine to avoid local overheating or excessive abrasion that leads to stains.
Additionally, operators should periodically pause the polishing process to clean both the workpiece and the polishing pad. This helps prevent particle accumulation and ensures a mirror-like surface finish. Combining proper maintenance, correct settings, and clean operation can significantly reduce blemishes and improve the quality of polished acrylic and other materials.
At Jinan Unique CNC Equipment Co., Ltd, our acrylic polishing machines are designed to minimize such blemishes by providing stable operation, precision pad alignment, and consistent fluid distribution. Using high-quality equipment along with good operational practices ensures professional results for all polishing tasks.
