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塑料模具设计的步骤

来源:http://www.sdlqmj.com 日期:2019-01-15 发布人:admin 浏览次数:
塑料模具设计的步骤
Steps of Plastic Mould Design
一、承受义务书
I. Obligations to Bear
成型塑料制件的义务书通常由制件设计者提出,其内容如下:
The obligatory documents for forming plastic parts are usually proposed by the designer of the parts. The contents of the obligatory documents are as follows:
经过审签的正轨制制件图纸,并注明采用塑料的牌号、通明度等。塑料制件阐明书或技术要求。消费产量。塑料制件样品。
Orthogonal drawings, which have been checked and signed, are marked with the plastics brand number and clearance, etc. Instructions or technical requirements for plastic parts. Consumption output. Samples of plastic parts.
通常模具设计义务书由塑料制件工艺员依据成型塑料制件的义务书提出,模具设计人员以成型塑料制件义务书、模具设计义务书爲根据来设计模具。
Usually, the obligatory document of mould design is put forward by plastic parts technicians according to the obligatory document of plastic parts. The mould designers design the mould based on the obligatory document of plastic parts and the obligatory document of mould design.
二、 搜集、剖析、消化原始材料
II. Collection, analysis and digestion of raw materials
搜集整理有关制件设计、成型工艺、成型设备、机械加工及特殊加工材料,以备设计模具时运用。
Collect and sort out the relevant parts design, forming process, forming equipment, mechanical processing and special processing materials for use in the design of moulds.
1.消化塑料制件图,理解制件的用处,剖析塑料制件的工艺性,尺寸精度等技术要求。例如塑料制件在表面外形、颜色通明度、运用功能方面的要求是什麼,塑件的几何构造、斜度、嵌件等状况能否合理,熔接痕、缩孔等成型缺陷的允许水平,有无涂装、电镀、胶接、钻孔等后加工。选择塑料制件尺寸精度高的尺寸停止剖析,看看估量成型公差能否低于塑料制件的公差,能否成型出符合要求的塑料制件来。此外,还要理解塑料的塑化及成型工艺参数。
1. Digest the drawing of plastic parts, understand the use of the parts, analyze the technical requirements of plastic parts, such as technological characteristics, dimensional accuracy, etc. For example, what are the requirements of surface shape, color transparency and application function of plastic parts, whether the geometrical structure, inclination and insert of plastic parts are reasonable, the allowable level of forming defects such as weld marks and shrinkage holes, whether there are post-processing such as painting, electroplating, bonding, drilling, etc. Choose the most precise size of plastic parts to stop the analysis, to see whether the estimation of forming tolerance is lower than the tolerance of plastic parts, whether the plastic parts can be formed to meet the requirements. In addition, it is necessary to understand the plasticization and processing parameters of plastics.
2.消化工艺材料,剖析工艺义务书所提出的成型办法、设备型号、资料规格、模具构造类型等要求能否恰当,能否落实。
2. Digest process materials and analyze whether the requirements of forming method, equipment type, data specification and die structure type proposed in the process obligation are appropriate or not.
山东模具制造厂家
成型资料该当满足塑料制件的强度要求,具有好的活动性、平均性和各向异性、热波动性。依据塑料制件的用处,成型资料应满足染色、镀金属的条件、装饰功能、必要的弹性和塑性、通明性或许相反的反射功能、胶接性或许焊接性等要求。
Molding data should meet the strength requirements of plastic parts, with good mobility, average, anisotropy and thermal fluctuation. According to the use of plastic parts, forming materials should meet the requirements of dyeing, metal plating conditions, decorative function, necessary elasticity and plasticity, transparency or reverse reflection function, bonding or welding, etc.
3.确定成型办法,采用直压法、铸压法还是注射法。
3. To determine the forming method, direct pressure method, casting method or injection method should be adopted.
4、选择成型设备
4. Selection of Molding Equipment
依据成型设备的品种来停止模具,因而必需熟知各种成型设备的功能、规格、特点。例如关于注射机来说,在规格方面该当理解以下内容:注射容量、锁模压力、注射压力、模具装置尺寸、顶出安装及尺寸、喷嘴孔直径及喷嘴球面半径、浇口套定位圈尺寸、模具大厚度和小厚度、模板行程等,详细见相关参数。要初步估量模具外形尺寸,判别模具能否在所选的注射机上装置和运用。
It is necessary to know well the functions, specifications and characteristics of various moulding equipment to stop moulding according to the variety of moulding equipment. For example, regarding the injection machine, the following contents should be understood in terms of specifications: injection capacity, clamping pressure, injection pressure, die device size, ejection installation and size, nozzle hole diameter and nozzle spherical radius, gate sleeve positioning ring size, maximum and minimum thickness of the die, template stroke, etc. See the relevant parameters in detail. It is necessary to preliminarily estimate the shape and size of the die and determine whether the die can be installed and applied on the selected injection machine.
5. 详细构造方案
5. Detailed construction scheme
确定模具类型;如压制模(关闭式、半闭合式、闭合式)、铸压模、注射模等。
Determine the type of die, such as pressing die (closed, semi-closed, closed), casting die, injection die, etc.
确定模具类型的次要构造
Secondary Structure for Determining Die Type
选择理想的模具构造在于确定必需的成型设备,理想的型腔数,在相对牢靠的条件下能使模具自身的任务满足该塑料制件的工艺技术和消费经济的要求。对塑料制件的工艺技术要求是要保证塑料制件的几何外形,外表光亮度和尺寸精度。消费经济要求是要使塑料制件的本钱低,消费效率高,模具能延续地任务,运用寿命长,节省休息力。
Choosing the ideal die structure is to determine the necessary forming equipment and the ideal number of cavity. Under relatively reliable conditions, the task of the die itself can meet the requirements of the process technology and consumption economy of the plastic parts. The technological requirements for plastic parts are to ensure the geometric shape, surface brightness and dimensional accuracy of plastic parts. The requirement of consumption economy is to make the cost of plastic parts low, the consumption efficiency high, the mold can continue the task, the service life long and the rest force saving.
综上所述有济南立强模具有限公司提供,想了解更多山东模具制造厂家知识,欢迎关注我们的网站:http://www.sdlqmj.com谢谢支持!
In summary, all the above-mentioned Jinan Liqiang Mould Co., Ltd. provides, want to know more about Shandong mould manufacturers, welcome to pay attention to our website: http://www.sdlqmj.com, thank you for your support!

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