英语翻译注射模分型面位置选择与形状设计是否合理,不仅关系模具的复杂程度,也关系模具的质量、工作状态和操作方便程度,因此分
来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/09/01 13:21:12
英语翻译
注射模分型面位置选择与形状设计是否合理,不仅关系模具的复杂程度,也关系模具的质量、工作状态和操作方便程度,因此分型面的设计是模具设计的重要一步.随着汽车工业的发展,消费者对汽车,尤其是轿车的外观质量要求越来越高.轿车的主要外饰件—保险杠及装配在保险杠上的宽体饰条和镀铬饰条等的装饰作用更加突出.在汽车保险杠注射模两侧分型线设计中,一般有2种方法:外分型结构和内分型结构.外分型结构相对于内分型结构简单,加工生产过程简便,但是其零件加工精度、装饰精度要求高,要能保证塑件分型线的结合面误差小于0.1mm的要求.而内分型结构的模具能很好地解决这个问题.
图1所示为某汽车保险杠的侧边端部横截面,A 面为外部可视面,内翻面B为轮罩安装面,基本不可视.传统模具设计中,为避免倒钩形成,分型面设置在A面与B面过度圆角外侧C处(该处的外圆曲率最大),处于可视面.但是该处由于模具制造精度及注射生产过程中存在磨损,分型线处经常会出现错位及分边,严重影响塑件的外观质量.
注射模分型面位置选择与形状设计是否合理,不仅关系模具的复杂程度,也关系模具的质量、工作状态和操作方便程度,因此分型面的设计是模具设计的重要一步.随着汽车工业的发展,消费者对汽车,尤其是轿车的外观质量要求越来越高.轿车的主要外饰件—保险杠及装配在保险杠上的宽体饰条和镀铬饰条等的装饰作用更加突出.在汽车保险杠注射模两侧分型线设计中,一般有2种方法:外分型结构和内分型结构.外分型结构相对于内分型结构简单,加工生产过程简便,但是其零件加工精度、装饰精度要求高,要能保证塑件分型线的结合面误差小于0.1mm的要求.而内分型结构的模具能很好地解决这个问题.
图1所示为某汽车保险杠的侧边端部横截面,A 面为外部可视面,内翻面B为轮罩安装面,基本不可视.传统模具设计中,为避免倒钩形成,分型面设置在A面与B面过度圆角外侧C处(该处的外圆曲率最大),处于可视面.但是该处由于模具制造精度及注射生产过程中存在磨损,分型线处经常会出现错位及分边,严重影响塑件的外观质量.
Whether or not the location of the parting surface in Injection mould and design of shape is appropriate, it does not only depend on the complexity of the mould, but also on its quality, the working status and convenience of operation. Hence the parting of the design is an important step to mould design. With the development of the automotive industry, the consumers demand for better quality, expecially for better appearance of cars is increasingly high.
The main exterior ornamentation - car bumper and bolt-on bumpers assembled on the larger stance and chrome details have more prominent importance. generally there are two methods in designing the side parting line of car bumper injection mould---- the external and internal parting surface structure. Relative to the internal structure, the external structure is simpler, production process is more convenient, but its parts have to be more accurate, better in decorative, and must ensure the error of parting line plastic parts is less than 0.1 mm. But the internal parting surface mould can solve this problem well.
Figure 1 shows the the cross section of the ends of both side of bumper, side A is for external visible surface, flip out side B is for mounting surface for wheels cover, generally invisible.
In the traditional mold design, in order to avoid the formation of barbs, the parting surface is set on the transition of B and A, namely the rounded corner of C (its external circular curvature is maximum), in the visible face. But because of mould manufacturing precision and injection production has wear and tear, parting line often appear dislocation and points edge, which can seriously deteriorate the appearance of plastic parts.
The main exterior ornamentation - car bumper and bolt-on bumpers assembled on the larger stance and chrome details have more prominent importance. generally there are two methods in designing the side parting line of car bumper injection mould---- the external and internal parting surface structure. Relative to the internal structure, the external structure is simpler, production process is more convenient, but its parts have to be more accurate, better in decorative, and must ensure the error of parting line plastic parts is less than 0.1 mm. But the internal parting surface mould can solve this problem well.
Figure 1 shows the the cross section of the ends of both side of bumper, side A is for external visible surface, flip out side B is for mounting surface for wheels cover, generally invisible.
In the traditional mold design, in order to avoid the formation of barbs, the parting surface is set on the transition of B and A, namely the rounded corner of C (its external circular curvature is maximum), in the visible face. But because of mould manufacturing precision and injection production has wear and tear, parting line often appear dislocation and points edge, which can seriously deteriorate the appearance of plastic parts.
英语翻译注射模分型面位置选择与形状设计是否合理,不仅关系模具的复杂程度,也关系模具的质量、工作状态和操作方便程度,因此分
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