Used CHEVALIER FSG-1224AD #293604569 for sale

CHEVALIER FSG-1224AD
ID: 293604569
Vintage: 1987
Hydraulic automatic surface grinder 1987 vintage.
CHEVALIER FSG-1224AD is an advanced wafer grinding, lapping, and polishing equipment developed to meet the needs of today's semiconductor industry. This system is designed to provide precise and reliable surface finishing of thin sheets of materials with high accuracy. This unit comprises of a main base with a fixed grinding wheel and a tooling head which is mounted on a cross-slide mandrel for accurate positioning. The grinding wheel is driven by a variable frequency drive for variable speeds. The grinding wheel has variable feed rate and pressure controls. The 11" grinding wheel has a maximum diameter of 12" and features a grit of 220-500. It is an air-cooled wheel designed to operate with a minimum of 3PSI (27KPA) air pressure. The wheel is composed of diamond-laden resin bond with an operating speed of 7.5-20 m/s. The lapping/polishing tooling head has an adjustable angle and is capable of variable speeds from 100 to 4000 rpm. The tooling head is powered by a DC servo motor which provides smooth and sustained operation. The tooling head also features specialized jigs and fixtures to mount the wafer. The grinding process begins by securing the wafer to be worked on by the specialized jigs and fixtures provided. Once the wafer is securely held in place, the grinding wheel is then brought into contact with the wafer and the lapping/polishing process begins. The adjustable angle and variable speed of the lapping/polishing tooling head allows the user to conduct precise and consistent grinding, lapping, and polishing. FSG-1224AD also adopts a recirculation machine to ensure that debris generated during the grinding, lapping, and polishing process is collected and recycled within the tool. The use of this asset improves production productivity and operational safety. CHEVALIER FSG-1224AD model features a robust and efficient design, making it the ideal choice for wafer grinding, lapping, and polishing. Its advanced features including variable pressure and feed rate controls, adjustable angle capability, recirculation equipment and variable speed of the tooling head make this system the perfect solution for precise and reliable surface finishing of thin sheets of materials.
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