Detailed explanation of stone processing knowledge

1. What are the main types of surface effects of stone?
The surface effects of stone mainly include: smooth surface, matte surface, acid washed surface, sandblasted surface, burnt surface, chopped axe surface, lychee surface, hammered surface, brushed surface, antique surface, mushroom surface, natural fracture surface, and special surface.
2. What does the commonly referred to 60, 70, and 80 heads of granite mean?
Does 70 heads refer to a height of 630-730mm? Is 750mm counted as 70 heads or 80 heads? Answer: A board with 60 heads generally refers to a width of 60, but there is no limit to its length. For example, a 60 head matte board is slightly more than 60 (margin), used to make scrap boards that are 60 meters high; 70 heads and 80 heads are the same as above. In addition, 750mm also counts as 70 heads, it's just a bit more wear and tear.
3. How to classify raw materials based on different plastic surgery methods?
(1) Sawing raw materials: All six surfaces are cut by sawing
(2) Splitting raw materials: Only a portion of the six faces need to be sawed
4. What are the factors that affect stone processing?
(1) Hardness - The greater the hardness, the more difficult the processing and the greater the wear on the tool.
(2) The mineral and chemical composition, such as the content of quartz and feldspar in granite, is relatively high, making it more difficult to process.
(3) The structural structure of rocks, such as stones with uniform, fine, and dense particles, is easy to process.
5. Why do stones need to be numbered?
(1) Bento Processing
(2) Easy to identify
(3) Beneficial for on-site construction and installation
(4) Easy to control color difference and track texture
6. Why do stones need to be edged?
In order to decorate the side decorations and corner joints, it is convenient to smoothly transition. Usually, the visible edge is polished using a hand-held grinder or a manual electric edge grinder.
7. What are the uses of stone skim and skim?
In order to ensure that the contact points of various corner stones are exactly at the sharp points of the angles, which can make people feel the stability and density of the corners and highlight the overall effect. Ordinary hand cranked cutting machines use front and back strokes according to different materials.
8. What is the difference between stone pillars and curved slabs?
The difference is that the circular arc plate is only used to wrap around the decorative column and is a part of the outer surface of the cylinder; A stone pillar is a solid or hollow core integrated cylinder or a spliced cylinder.
9. Natural granite should meet four physical performance indicators:
Category: Bulk density (g/cm3) Water absorption rate (%) Monotonic compression degree (MPa) Bending degree (WPa) Granite ≥ 2.56 ≤ 0.60 ≥ 100 ≥ 8.0 Marble ≥ 2.60 ≤ 5.0 ≥ 50 ≥ 7.0