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The acid will turn the glass into a black. How to make a glass carving artwork is a flat relief. The deep carving is usually done with a high-speed sand blasting machine and an air compressor. After the glass surface is pasted with a special protective film, use a utility knife. Engraving the pattern. Use the air compressor to drive the high-speed sand blasting machine to complete the engraving. This kind of investment is relatively large. The set should be around 20K. There is also a hand grinding wheel for engraving. Install the glass cutting with an angle grinder or a hand drill. Sheet or other glass grinding wheel. Engraving and polishing on the surface of the glass that has been moistened with water. This method is also applied to the three-dimensional sculpture. The equipment is cheaper. In the ordinary hardware store, you can buy the corresponding angle grinder or hand. Drill. You can buy the corresponding grinding wheel in the glass tool shop. The price is about a few K. First use a blunt instrument to trace the prepared pattern on the paraffin. Large complex works even need to be opened and burned many times to complete. Low success rate. Want to know more about the methods of glass blowing, and understand the techniques of hand-blown glass making, please read this article to understand. The glass liquid picked up on the steel pipe is blown into a bubble shape. One is manual blowing. It's ok to get the right size. Use jade or cotton thread with kerosene. The glass is placed by the table. Feel the sound of scratching the glass skin. Hold the ruler.
Buy a little dry sanding paper. Make a little bit of kerosene in the place where the glass is drawn. It can be used with a thin wire. Auxiliary fixture: The fixture is made according to the drilling position and the diameter of the hole. The diameter of the hole in the middle of the fixture is 1 - 2 mm larger than the diameter of the drill. The thickness of the plate is 2-3 mm. The practical technique of hand-blown glass should be uniform. The symmetrical distribution of the hot glass in each part mainly depends on whether the rotating speed of the blown iron pipe is proper. If the rotating speed is too fast or too slow, the thickness of the product will be uneven. Hand-blown mainly relies on skilled craftsmanship and my own operating experience. The operation method seems simple, but it is not easy to blow out the products that meet the requirements. The so-called blow-blowing method of blowing into a preliminary type and then blowing into a product is suitable for making small mouth vessels and bottles. When we choose glass, in addition to paying attention to its price, we should also pay attention to the different properties of various types of glass, and choose the type that is more suitable for home use. The drill cannot be straight to the console. The weight of the picking should be basically the same every time, because this molding method mainly relies on the feel and experience. Therefore, luck is at ease, and the blowing power is just right to ensure the size of the product. Then, air-cooled tempering is used to generate compressive stress on the surface by air cooling; the other is chemical tempering to replace sodium ions (Na) contained on the surface of the glass with potassium (K) ions having a large ionic radius. Tempered glass used in buildings and vehicles Mostly the former. The processing of tempered glass is generally carried out before the glass plate is heated. In the acid etching step, the number of times of the different concentrations of hydrofluoric acid etching and the length of time can be used to obtain the three-dimensional effect of the shade of the pattern and the difference in brightness and darkness. Don't force it slowly. Hold the traces on both sides of the palm of your hand. Destroying the balance of surface stress during the grinding process may cause the entire glass to rupture. Bubbles in the ink. At the beginning, the molding temperature is higher, the viscosity of the molten glass is also smaller, the operation duration can be slightly longer, the uniformity of the glass frit in the iron bowl can be slightly longer, and the small foam can be cooled slightly. As the frit in the crucible decreases and the cooling time increases, the rhythm of the entire blow molding process must be gradually accelerated.
Only do emergency methods. Leave a seam of 5 - 2 mm. The diameter of the sleeve is 1-2 mm larger than the drill core. It can also be blown freely without mold, and then knocked off from the blowpipe.
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