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Jinhua Jiangbei Design Study/Common Basic Knowledge of Mold Design

Plastic material characteristics and shrinkage rate ABS: It has excellent impact properties, with a shrinkage rate of 0.5%. PC: High impact resistance, known as bulletproof glass glue, with a shrinkage rate of 0.5%. PMMA: shrinkage rate is 0.5%. PE, PP, PA, PVC, POM: shrinkage rate is 2%. The shrinkage rates of ABS+PC and PC+ABS combination materials are 0.4% and 0.5% respectively.

Good mold design requires comprehensive consideration of mold opening direction, mold release angle, product wall thickness, reinforcing ribs, rounded corners, holes, core-pulling mechanism, integrated hinge, insert, marking, accuracy, deformation, buckle position, welding, process and performance balance, relationship between screw column aperture and self-tapping screw diameter, BOSS design principles and other key points.

Gradually master the key elements of mold design, pay attention to software operation and practical experience accumulation, and cultivate overall design ideas.

Jinhua Jiangbei Design Study/Common Basic Knowledge of Mold Design In the design and manufacturing process of plastic products, it is crucial to understand the characteristics and shrinkage rates of commonly used plastic engineering materials.

Mold design requires AutoCAD as the core software, combining process knowledge, standard specifications and practical experience to build a capability system. Software operations can be quickly mastered through systematic learning, but design thinking requires long-term accumulation. It is recommended to start with basic drawing and gradually transition to complete project practice.

Product designers will progress slowly, and mold designers themselves will find it difficult to improve.

How to improve the performance of mold cores in injection mold design

The performance improvement of injection mold cores can be achieved from the four core directions of material selection, structural design, processing technology, maintenance and use. After optimization, the service life of the mold, plastic part forming accuracy and production efficiency can be effectively improved.

The design optimization of injection mold cores can be carried out from five core dimensions: structure, materials, cooling, exhaust, and processing adaptation, which can effectively shorten the injection molding cycle and improve product molding quality and mold service life.

Reasonable optimization of the structural design of injection mold cores needs to focus on the four core goals of improving molding accuracy, shortening production cycles, extending mold life, and reducing defective mold release rates, from strength design, exhaust system, cooling circuit, mold release mechanism, processing Adapt to five key dimensions.

The optimization of injection mold core design can be carried out from four core directions: structure, material selection, processing technology, and release design, which can effectively improve the service life of the core, forming efficiency and final product quality. Structural optimization and simplified design: Reduce complex features such as inverted corners and deep holes that are difficult to process, remove unnecessary redundant structures, and make the mold core easier to process and assemble.

Who knows what material abspc is?

1、PCWhat material is used for abspc mold cores, polycarbonate has impact resistance, thermal distortion resistance, strong weather resistance and high hardness. ABS, acrylonitrile-butadiene-styrene copolymer, has high strength, good toughness and easy processing and formingWhat material is used for abspc mold corescharacteristics. The following are the advantages and disadvantages of different materials for trolley casesWhat material is used for abspc mold cores: ABS trolley box: New material, popular and fashionable, light, flexible and rigid, with good impact resistance, strong ability to protect objects, easy to clean, but easy to scratch.

2. Travel case material ABSPC refers to ABS polycarbon, which is one of the few materials that may be widely used in China. The following is a detailed introduction to ABSPC materials: Material characteristics: ABSPC combinationWhat material is used for abspc mold coresTaking into account the advantages of ABS and polycarbon, it cannot spontaneously ignite, and when burning in external fire, small particles similar to the burning of polycarbon will precipitate out on the surface. Its blackness is lower than pure ABS material.

3. ABS+PC is a thermoplastic plastic material made of an alloy of polycarbonate and polyacrylonitrile butadiene styrene copolymer. The following is a detailed explanation of the material composition of ABS+PC: ABS+PC, also known as PC/ABS, is an alloy of two materials. It combines the heat and weather resistance, size stability and impact resistance of PC resin with the processing fluidity of ABS resin.

4. Abspc is a copolymer and mixture of polycarbonate and acrylonitrile-butadiene-styrene. It is a thermoplastic plastic made by combining polycarbonate and acrylonitrile-butadiene-styrene copolymer (ABS). Its main characteristics include: good comprehensive properties: high impact strength, chemical stability and good electrical properties.

As a mold master, 88 knowledge points you should know!

1. Demoulding methods include smooth stripping and strong stripping. There are many ways to inject glue, including direct, overlapping, side glue, circular, thin sheet, latent, point-by-point glue, horn type and fan type. The flow channel forms are circular, semicircular, T-shaped and regular hexagonal. Commonly used manuals and books for mold design include steel, plastic, mold standard parts, etc. The spring is used to generate rebound force. Mold drawing prevents product from being strained when demoulding.

2. The core knowledge of strip mold design is an indispensable treasure for professionals. First of all, understanding commonly used engineering plastics and their shrinkage rates is the key. For example, the shrinkage rate of ABS is 0.5%, and PC is 0.5%. Mold design is divided into several main systems, such as pouring, ejection, cooling, forming and venting processes. During design, attention should be paid to uniform wall thickness, sufficient demoulding slope, smooth transition parts, and reasonable gate and runner design.

3. To become a qualified mold designer, you need to comprehensively improve from four aspects: software skills, practical experience, mold knowledge reserve and problem solving capabilities. The details are as follows: Master the basic software of core design software: AutoCAD is the basic tool for mold design., you need to be proficient in its drawing, editing, labeling and other functions, and learn to use supporting plug-ins (such as special plug-ins for mold design) to improve efficiency.

4. The knowledge points you need to master to do mold design are quite wide, including the use of 2D and 3D software, basic knowledge of molds and machining processes. Personally, these three aspects are all necessary skills. For example, when I design plastic molds, I also need to understand the characteristics of plastic materials. Over the past five years, I have had the privilege of working in a professional company that focuses on exporting molds and has been exposed to a wide variety of products and mold structures.

Inventory of basic knowledge commonly used in mold design

Basic knowledge of mechanical drawingWhat material is used for abspc mold cores: Master 2D and 3D drawing skillsWhat material is used for abspc mold coresThis is the basis of mold design. Materials Science: Understand the basic characteristics of metallic and non-metallic materials. Design principle Mold structure design: involves the design of cavity layout, gating system, cooling system, etc. Mold movement mechanism design: such as ejection mechanism, core pulling mechanism designWhat material is used for abspc mold coresTo ensure that the mold can produce qualified products efficiently and stably.

3D software and CAD software: master at least one 3D design software and one CAD software for 3D modeling and 2D drawing of molds. Mechanical design knowledge: Mold structure: In-depth understanding of the structural composition and working principle of the mold. Principles of mechanics and materials science: Master the basic principles of mechanics and materials science so that the strength, toughness and other characteristics of materials can be considered during the design process.

The plastic molding process and mold design course focuses on the flow characteristics of plastic under injection, extrusion and other molding methods. By calculating parameters such as clamping force and injection pressure, molds that meet the requirements of plastic products are designed, such as common plastic shell molds. Design relies on this knowledge.

This is the end of the introduction of what materials are used for abspc molds and the manufacturing process of abs molds. slot machine ph casino,slot ph casino,slot machine casino,slot casino,slot ph,BAY888.com The world's leading slot game platform, providing exciting gaming experience and generic rewards. Join now and start your journey to victory!。