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SS51型三线锁边器是本厂产品之一,它可以直接装在普通缝纫机上使用,装卸非常方便。为了节省制造成本,减轻重量,锁边器上百分之八十五以上的零组件采用冷冲压工艺方法制成成品,不再进行机械加工。前支板是锁边器上的主要冲压件之一,其几何形状及主要尺寸如图1所示。该零件的主要工艺方法是冲压,其工艺过程是:下条料一复合冲裁(落料、冲孔复合进行)—弯曲—表面处理(发蓝或镀锌)。整个生产过程不进行任何机械加工,只在复合冲裁工序后进行振动光饰去毛刺,所以生产效率较高。本文主要介绍弯曲工序弯曲模的设计及其特点。
SS51 three-line catcher is one of our products, it can be installed directly on the ordinary sewing machine, loading and unloading is very convenient. In order to save manufacturing costs and reduce weight, more than 85% of the components on the edge locker are manufactured by the cold stamping process and are no longer machined. The front supporter is one of the main stamped parts on the edge catcher, and its geometry and main dimensions are shown in Figure 1. The main part of the process is stamping, the process is: the next article a blanking blanking (blanking, punching composite) - bending - surface treatment (blue or galvanized). The entire production process without any mechanical processing, only in the complex blanking process after the vibration decorative light burr, so the higher production efficiency. This article mainly introduces the bending process of the bending process design and its characteristics.