Spiral blade 1, the spiral blade thickness up to 20mm ~ 25mm, the blade can not be greater than the minimum sheet width 400mm. 2, the spiral blade thickness of 25mm ~ 30mm Zhejiang helical blade material, shall not exceed the minimum width of the blade plate 350mm. 3, spiral blade thickness up to 30mm ~ 40mm, can not be greater than the minimum width of the blade plate 280mm. Status of Zhejiang spiral blade production, product processing spiral blade has can not be replaced, we must first determine the specific type of general screw conveyor helical blades have a physical type, belt, blade-type, toothed divided into four categories, which they are Mapping the characteristics, processing is different. Zhejiang helical blade helical blade production _ _ Zhejiang Ruifeng accessories (certified merchants) are provided by Ning County Ruifeng machine parts processing department. Ning County Ruifeng machine parts processing department (sdysjx.cn.s07.ctrl.net.cn) is specialized in "spiral blades, screw conveyor, cement screw conveyor, auger blade" of the enterprise, companies adhering to the "integrity management , the intentions of service "concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Han Jingli.