• Laser cutting and engraving machines are named after the source of their laser (where the light is first generated), the two most common types are CO2 and Fibre Lasers. Let’s start with the most widely used, CO2.

    Modern CO2 machines usually produce the laser beam in a sealed glass tube which is filled with gas, usually carbon dioxide. A high voltage flows through the tube and reacts with the gas particles, increasing their energy, in turn producing light. A product of such strong light is heat, heat so strong it can vapourise materials that have melting points of hundreds of °C.
    http://www.whamark.com/laser-marking-machine/co-laser
    Laser cutting and engraving machines are named after the source of their laser (where the light is first generated), the two most common types are CO2 and Fibre Lasers. Let’s start with the most widely used, CO2. Modern CO2 machines usually produce the laser beam in a sealed glass tube which is filled with gas, usually carbon dioxide. A high voltage flows through the tube and reacts with the gas particles, increasing their energy, in turn producing light. A product of such strong light is heat, heat so strong it can vapourise materials that have melting points of hundreds of °C. http://www.whamark.com/laser-marking-machine/co-laser
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  • After the asphalt pavement has been milled, a sweeper is used to clean the surface. Large particles of debris can cause uneven compaction of the asphalt. Even small amounts of dust and debris left on the ground can prevent the new asphalt from bonding properly with the surface below. It’s also necessary to sweep after milling to prevent small rocks from hitting the oncoming traffic and damaging vehicles’ windshields.
    http://www.czyuzhan.com/asphalt-equipment/
    After the asphalt pavement has been milled, a sweeper is used to clean the surface. Large particles of debris can cause uneven compaction of the asphalt. Even small amounts of dust and debris left on the ground can prevent the new asphalt from bonding properly with the surface below. It’s also necessary to sweep after milling to prevent small rocks from hitting the oncoming traffic and damaging vehicles’ windshields. http://www.czyuzhan.com/asphalt-equipment/
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    China Asphalt Equipment Suppliers, Manufacturers, Factory - Customized Asphalt Equipment Made in China - YUZHAN
    YUZHAN is one of the most professional asphalt equipment manufacturers and suppliers in China. Please feel free to buy customized asphalt equipment made in China here from our factory. All our products are with high quality and competitive price.
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