Abrasive Materials
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Frequently asked Questions
Accurate information is key to high-quality execution, which is why we are here to answer your questions.
How to choose the right abrasive material for my project?
Selecting the appropriate abrasive is key to achieving the desired results when working with different materials. You should consider the type of material, the processing stage, and the desired surface finish. Flap wheels are suitable for coarse grinding and fine weld finishing, while flap discs are ideal for final polishing and edge treatment.
What to do if the sanding disc is clogging?
Check whether the paint, lacquer, or filler is fully dry. Use dust extraction systems and ensure that the hole pattern on the sanding paper matches the pad’s hole configuration. Avoid sanding with overly fine grits.
What to do if visible hand sanding marks appear?
Use sanding blocks for flat surfaces (e.g., cork blocks). For contoured surfaces, use special products designed for even pressure distribution, such as Goldflex Soft.
What to do if there are visible scratches on the surface?
Avoid large grit jumps between sanding stages and use a random orbital sander.
What to do if there's insufficient material removal and dust issues?
Start with a coarse grit and gradually move to finer grits. To reduce dust, use abrasive mesh materials in combination with appropriate tools and accessories.
What is the material removal rate during machine sanding of wood?
The wood hardness, motor power, feed speed, and roller hardness are the main factors influencing material removal. When sanding with a contact roller, we recommend using the coarsest grit suitable for the job to effectively remove marks from the previous sanding stage. Note: Material removal with sanding pads is lower than with contact rollers and also depends on their flexibility. It is important to remove marks from the previous grit stage without exceeding the capacity of the sanding belt. Skipping grit sizes (e.g., jumping from G80 to G150) increases belt wear and the risk of leaving visible sanding marks.
Why is proper sanding belt tension important, and how do I check it?
The correct tension of the sanding belt is crucial for the smooth and efficient operation of the machine. One of the main advantages is a reduced risk of the belt folding, which contributes to better stability during operation. Due to less friction between the belt and the drive rollers, the operating temperature is lower, which means that less dust accumulates on the surface of the belt. This extends its service life. Lower temperatures and optimal tension also reduce the load on key machine components, thereby increasing the overall lifespan of the machine. The process of checking the correct sanding belt tension begins with installing the belt onto the rollers and applying initial tension. Then, press on the center of the belt with your hand; if the upper roller does not move easily, the tension is too high. Locate the tension adjustment valve and reduce the pressure to 0 bar to allow the upper roller to move downward. This confirms that the correct valve has been located. Then, increase the pressure again to between 3 and 4 bars and check once more how the upper roller responds to hand pressure. If it moves without significant resistance, the tension is correctly set. After this, turn on the machine and check the sanding belt oscillation. If it is not evenly distributed in both directions, the settings need to be adjusted accordingly. Finally, perform a test sanding to verify that the machine is operating normally.
Do you have any questions?
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