On March 27th, a large and heavy-duty CNC roll grinder independently developed by Guizhou Xianfeng Industrial Corporation passed the appraisal and acceptance of the expert group of the Provincial Economic and Trade Commission. This "Big Mac" CNC grinding machine can grind large workpieces with a diameter of 2.5 meters and a weight of 250 tons. It is the largest full-function CNC roll grinder of its kind in China.
According to reports, this grinding machine is 18 meters long, 7 meters wide and 4 meters high, with a weight of about 260 tons. The product has large size and heavy load performance, capable of grinding large workpieces with a diameter of 2.5 meters and a weight of 250 tons; it has powerful and efficient CNC grinding performance, and the workpiece roll surface removal amount of more than 5 meters reaches 130 kg / hour; At the same time, it is equipped with the automatic flaw detection device of the domestic advanced workpiece roll surface. After entering the fine grinding stage, the workpiece roll surface precision and roll shape error are only 2 to 3 microns. Each unit costs about 13 million yuan.
According to Xu Zhengde, general manager of Guizhou Xianfeng Company, this large-scale CNC grinding machine is developed to meet the development trend of producing wide and thick plates in the domestic metallurgical steel industry, and has a good market prospect.
At present, Guizhou Xianfeng has produced three large-scale CNC roll grinders of this type for Chongqing Iron and Steel Co., Ltd. and Nanyang Hanye Special Steel Co., Ltd., and passed the inspection test of the product quality supervision and inspection station of the machine tool industry in Guizhou Province. Delivery.
According to reports, this grinding machine is 18 meters long, 7 meters wide and 4 meters high, with a weight of about 260 tons. The product has large size and heavy load performance, capable of grinding large workpieces with a diameter of 2.5 meters and a weight of 250 tons; it has powerful and efficient CNC grinding performance, and the workpiece roll surface removal amount of more than 5 meters reaches 130 kg / hour; At the same time, it is equipped with the automatic flaw detection device of the domestic advanced workpiece roll surface. After entering the fine grinding stage, the workpiece roll surface precision and roll shape error are only 2 to 3 microns. Each unit costs about 13 million yuan.
According to Xu Zhengde, general manager of Guizhou Xianfeng Company, this large-scale CNC grinding machine is developed to meet the development trend of producing wide and thick plates in the domestic metallurgical steel industry, and has a good market prospect.
At present, Guizhou Xianfeng has produced three large-scale CNC roll grinders of this type for Chongqing Iron and Steel Co., Ltd. and Nanyang Hanye Special Steel Co., Ltd., and passed the inspection test of the product quality supervision and inspection station of the machine tool industry in Guizhou Province. Delivery.
The formal freight elevators are those that can push cattle or even forklift. The speed is generally 0.5m/s, and the load is larger, including 2t, 3t, 4t and 5t. Due to the need to enter the forklift truck, the floor sill is of reinforced type. The rear wall of the car should preferably be equipped with a crash plate, and the car bottom should be steel plate. The load of the freight elevator is very large, and the height and width of the door opening are generally made to be consistent with the height and width of the car as much as possible. Then the call button panel in the car is on the side car wall.
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