Radio frequency Packing machine Factory.Ultrasonic embossing roller

　　The upper and lower heat template of the hot stamping machine is heated by several heating tubes (as shown in the figure). This heating method has the advantages of simple processing and convenient assembly, but its disadvantages are obvious, such as low heating temperature (can only be added to 400 degrees), large power consumption (a heating tube of 800W, a machine needs at least 10 heating tubes), slow heating speed, uneven heating. Maintenance is difficult (the heating pipe root line is easily broken, such as broken can only replace the heating plate, because the heat expands and shrinks. Heating tube can't come out). We understand the shortcomings of this design, it can be improved in this area, the direction of improvement is not to change the design and processing of the heating template, because the core of the heat template is the heating source! Since the ordinary heating tube has so many shortcomings, what heating method can replace it? The answer is - Pyrex, we can heat Pyrex, and then transfer the heat to the heat transfer template. So what are the advantages of heat-resistant glass, below we will describe in detail. Heat-resistant glass (refers to the special glass containing boric acid and silicic acid components with strong heat resistance, which can withstand the temperature difference of hot and cold fusion. The coefficient of thermal expansion (the rate at which the vitreous body expands due to increasing temperature) is relatively small and is not easily broken under rapid temperature changes. It has a series of excellent properties such as low expansion, thermal shock resistance, high temperature resistance, corrosion resistance and high strength. Therefore, the sales price of heat-resistant glass is higher than that of ordinary glass and tempered glass. Heat-resistant glass material use of high safety factor, will not occur similar to tempered glass self-explosion phenomenon; The coefficient of thermal expansion is small, the range of rapid temperature change is large (≥120℃), and the maximum temperature of heat resistance is 1200℃. Heat-resistant glass is widely used in utensils, baby bottles, experimental beakers, industrial boiler sight glasses, mechanical equipment window glass, etc. For our garment leather embossing machine. What we can use is low expansion, thermal shock resistance, and high temperature resistance.

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