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Talking about the Clamping Flange Types of Rotational Mold


Source:千亿国际qy966_千亿国际亚洲最佳平台_千亿国际娱乐qy966.com Date:2018-01-18 11:12
In sheet metal molds, several mold flanges have been used, including: machined tabs and grooves, flat plates, stepped and angle irons. Among the flat corner sheet metal molds, several clamping flanges have been used, including: machined tabs and grooves, flat plates, stepped and angle irons.1 Slotted, 2-angled iron 3 Slotted, 4-step Flange Type Selection depends on die size (7500 Liter die requires more support than 19 Liter die), unsupported length, continuous The use of the durability and thickness of the product line thickness of the thickness of the impact of thinning. Excess heavy mold flanges slow the conduction of heat and cooling, resulting in variations in product wall thickness. And its processing tongue and groove for the entire flange can produce a good alignment; but manufacturing inconsistent shape of the plate will produce deformation, but also lead to the cleaning cycle between the production and more costs to get the contour shape. Flat-plate flanges have the advantage of being inexpensive, easy to clean between production cycles, and can be connected to the sheet metal mold in a continuous weld. In order to avoid the accumulation of plastic between the flange and the sheet metal (easy to produce blow holes on the product), this continuous welding method is very important. The general thickness of the flat panel 6.3-7.2mm, stepped flange allows the upper and lower mold to produce positioning, but also easier than the tongue and groove cleaning. Angle iron type according to the weight ratio, there will be greater than the plate strength, but also a smaller welding attachment surface. The material used for the flange must be compatible with the material used for the mold; the sheet metal aluminum mold must use an aluminum clamping flange for electric welding. In the same situation, carbon steel sheet metal molds require carbon steel flanges. Stainless steel mold can use carbon steel flange, the cost can be cheaper and easy welding.