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Tiling Tools | Tile Cutters, Trowels
Grinder for polishing
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[QUOTE="Concrete guy, post: 919276"] POLISHING 101 - The basics. The cheapest and most versatile way to stick your toe into the world of polishing is with Silicon Carbide discs. They are inexpensive and work on almost anything. You can attach them to anything variable that has a speed range around 2000 to 4000 rpm. When you buy a variable speed machine (from any manufacturer) buy something that you're more likely to use towards the top end if it's designed speed range. Variable speed tools tend to have the cooling fan rotating at the same speed as the drive axle. The side effect of this is they can overheat if being used for extended periods of time (extended being upwards of 20-30 minutes of continuous use) at the lower end of their speed range. I'll use two FLEX machines as an example (but the same principals can be applied to any brand). L1503VR polisher is a dedicated polisher with a speed range of 1200-3700 rpm. Most polishing is done at the upper end of this range and it can also be used for profiling tools at around 1500 to 2500 rpm. L1506VR variable speed grinder is the same machine with a different gearbox giving a speed range of 2200 to 6800 rpm. It also has the advantage that you can fit blades and a dust extractor head to it. It's effectively a grinder than that can do a bit of polishing. It will take grinding cups, curved blade and grinding drums. It will polish, but it's going to heat up if being used constantly to polish. The reality is for tiling either will do and it's unusual that a tiler would be doing extensive polishing work. Just read above and figure out which one is more appropriate for you. Wet vs Dry, the bottom line here is generally economy. Wet polishing is mostly done with diamond pads, it really comes into it's own when doing volume. The consumables are more cost efficient per l/m or sq/m but the initial set up cost is higher. It's also messy, very messy and you need to think of how you're going to deal with the slurry created. Dry polishing, the consumables are more expensive and don't last as long, but the initial set up isn't as expensive as wet polishing. Dry Diamond pads can be very material specific, Silicon carbide discs are very versatile, but have a short lifespan. You need to deal with the dust created. [/QUOTE]
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Tiling Tools | Tile Cutters, Trowels
Grinder for polishing
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