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Thin glass cutting and splitting the laser scribing applications

Date：2013-11-16 Author：zhaoyang Hits：1080

Today, the glass increasingly demanding high quality products , processing technology in addition to considering the different material properties , you must also achieve a more precise , meticulous and sheer processing results, and innovative laser cutting technology has become in many industries glass cutting standards. Growing demand in the electronics market , the urgent need glass cutting and innovative technologies. Means of conventional glass cutting tools with carbide or diamond , is widely used in many applications in which its cutting process is divided into two steps. The first glass is a diamond tip or carbide grinding wheel , a surface of the glass cracks ; , the next step is to use mechanical means to separate the glass along the crack line . However , using this method for scribing and cutting there are some drawbacks. Removal of material can cause debris , fragments and the generation of micro-cracks , the cutting edge strength reduced, thus a need for further cleaning step .

This process usually does not bring deep cracks perpendicular to the glass surface , due to the mechanical forces generated by the vertical dividing line generally means . Moreover , the mechanical force is applied to thin glass production losses caused also a negative factor . These defects through the glass with no stress and to further optimize the tooling used to improve segmentation . However, the vertical edges of the cut line and prevents debris / crack systemic contradiction between , it is still impossible to completely avoid . The development of laser technology has brought these quality problems solution. Laser scribing and segmentation with the traditional mechanical cutting tools, the laser beam energy in a non -contact manner that the glass is cut . The energy of the specified portion of the workpiece is heated to reach the pre-defined temperature. After the process of the rapid heating followed by rapid cooling , the glass perpendicular to the stress generated internally with the direction in which occurs a crack or cracks of debris . Because the cracks because the heat generated , rather than mechanical reasons arising from , so there is no debris and micro- cracks .

Visible laser cut glass if fully capable of saving time , bringing improved processing quality . The laser cutting will produce a new and sophisticated technology to the mass production line for the processing of high-tech products is not easy. From the customer's point of view, prior to implementation , the technology must be an automated, reliable solution that not only has been fully demonstrated, and it takes into account the economy. In practice, the application of innovative technologies is only valid in both cases : introduction of new products require new means of production to achieve innovative feature or by reducing the processing steps to reduce production costs , or economic pressure on existing production needs met huge improvements to ease of production . In the flat panel display industry , laser cutting technology promotion took five years to the production line to find its own position , the premise is experienced in many thousands of hours of processing line application validation.

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