齿轮联轴器注塑模具设计.docx
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- 齿轮 联轴器 注塑 模具设计
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1、摘 要模具设计就是对需要加工出来的零件进行分析,设计一套模架,然后安装在注射机上, 经过一些步骤,最终加工出所需要的零件。为了能够顺利完成模具的设计,第一步就要分析塑件的尺寸、粗糙度等参数,确保生产出的塑件满足要求;然后考虑塑件的用处,选取最合适的材料进行加工;接着根据塑件的体积和设计过程中选取的腔数数目来选择注射 机;最后是对模具的布局以及各个系统进行详细的设计。这次毕业设计是针对齿轮联轴器的一次注塑模具设计。根据零件图,确定了这次设计的齿轮联轴器是工字型的,因此在抽芯机构的选择上采用侧抽芯机构。为了增加生产效率, 提高产量,在型腔布局上选用一模两腔的方式;为了不在加工成型的表面上留下痕迹,
2、推出的过程比较平稳,选取用推管将注塑成型的工件推出;冷却系统设计的是多条支路冷却水路。各部分的结构设计结束后,要再次确定所选取的注射机能否满足设计过程中需要的条件。最后整理好这次的设计过程以及当中涉及的计算过程,编写论文。关键词:模架;侧抽芯;推出;冷却AbstractPlastic mold design means analysis the product we would like to produce , design a set of mold ,then install the mold on the injection machine .After some steps ,we
3、can produce the part we need . In order to make sure the mold design is successful , firstly ,we need to analysis the size and roughness of the mold, so the parts we produced can meet the requirements ; then take the use of mold into consideration ,choose the best material to product ; next step is
4、choose the appropriateinjection according to the volume of parts and the number of cavity ; the last step is make a detailed design according to the layout of the part and every system .This topic is the gear coupling injection mold design. According to the part drawing , we can know the artifacts w
5、e need to design is h-shape , so we need to design side core-pulling mechanism to complete the mold core pulling. In order to increase the number of product and improve the efficiency of the product , the style of cavity layout is the double-cavity mold. In order to make the surface of part smooth a
6、nd the process of ejecting is steady, we choose the ejector sleeve to eject the part; we design a lot of branch as the cooling system. After finished every part of physical design, we need to make sure whether the injection can meet the requirement or not again. Finally , we should collating the pro
7、cess of design and calculation, write an essay.Key words : Die set , side core-pulling , eject, coolingIV目 录III摘 要IIIAbstractIV1 绪 论12. 塑件的分析32.1 塑件工艺性分析32.1.1 对于尺寸精度的分析32.1.2 脱模斜度分析42.1.3 表面粗糙度分析42.2 塑件材料分析42.2.1 ABS 塑料主要的性能指标:42.2.2 ABS 的注射成型工艺参数52.3 设计方案的确定52.4 塑件体积计算52.5 注射设备的选择63. 模具结构设计83.1 型腔
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