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How to maintain the zinc alloy die casting molds?
How to Maintain the Zinc Alloy Die Casting Molds? Posted on : April 29, 2022 By GREFEE The zinc alloy die casting mold is one of the three indispensable elements of zinc alloy die casting production, which directly affects their service life, production rates, quality, and costs. For die casting factories, to ensure production rates, the maintenance of the molds is essential, not only because of their stable product quality but also the high production rate due to the low cost.Many…
Rapid prototyping selection guide
Rapid Prototyping could be an Advantageous Methodology Before mass production, you need to test your project with rapid prototyping Posted on : May12, 2022 By GREFEE In the fast domain, rapid prototyping technologies that have been playing a dominant role include FDM, SLA, SLS, LOM， CNC, injection molding,3d systems rapid prototyping，etc. Each process has its characteristics. In this article, we will make a comparison of different technologies. Many rapid prototyping companies also choose the above methods.You can also contact the GREFEE…
Processing tips for CNC Deep Hole Drilling
Processing tips for CNC Deep Hole Drilling Posted on : May 6, 2022 By GREFEE Deep hole machining is inevitable in CNC machining. While in this process, the parts are often plagued by some common issues which need to be solved urgently, like size accuracy, surface quality, the service life of tools, etc. GREFEE has rich experience in this domain, of which the products have been involved in industries, such as automotive, medical, mechanical, UAV, etc. For more detailed answers,…
How to extend the service life of the aluminum extrusion die
How to extend the service life of the aluminum extrusion die Posted on : May 7, 2022 By GREFEE The aluminum extrusion die is widely used due to its excellent deformation capability, production flexibility, simple machining process, and low investment in equipment. Products made from aluminum extrusion die are high quality and have a wide application. However, the disadvantages of this die include imbalanced structure properties, the high cost of the extrusion die, and low production efficiency. The aluminum extrusion material…
How to design the assembly parts
How to Design The Assembly Parts and Blot the Plastic Parts Together? Posted on : April 27, 2022 By GREFEE Plastic assembly parts and assembly parts Common plastic parts usually are made by injection molding or 3D printing. These two methods usually need to assemble two pieces to multi-piece together to form the products that can be sold or used. So, the difficulty level and the stability are the factors you need to consider. At the early stage, we need to…
Secondary processing after CNC machining
Secondary Processing After CNC Machining: Heat Treatment Posted on : April 27, 2022 By GREFEE Secondary Processing After CNC Machining: Heat Treatment When you finish the CNC parts, your job has not been done actually. These components might come with rough surfaces and insufficient strength, affecting the service life. Or they might be a part of a component and have to be connected with other accessories to obtain a complete product, even though the possibilities of using the CNC components and other components…
Polishing Methods and Procedures of Die Casting Molds
Polishing Methods and Procedures of Die Casting Molds Posted on : April 26, 2022 By GREFEE The polishing in the die casting industry is different from that in the other industries (such as aluminum alloy die casting, zinc alloy die casting, and magnesium alloy die casting). Strictly speaking, the polishing should be called mirror finishing， which has high requirements for polishing quality, the planeness, smoothness， and geometrical accuracy of the surface finish. The requirement of surface polishing is only a smooth…
Reinforcement of materials and property introduction
Reinforcement of materials and property introduction of injection molding Posted on : April 26, 2022 By GREFEE Reinforcement of materials and property introduction of injection molding The injection molding technique contains a wide range of materials with different properties. We gonna talk about some common materials that you will see in injection molding, and advice for selecting materials for your design target, including more strengthened glass and fiber filling material, as well as the silicone resin and polyurethane materials for…
Die casting parts are everywhere in our daily life
Die casting parts are everywhere in our daily life Posted on : April 19, 2022 By GREFEE Die casting parts have always been close to us Die casting plays an indispensable role in the automotive industry, aerospace industry, telecommuting devices, and mechanical devices due to its outstanding efficiency, stable quality, and low cost for mass production. In this article, we gonna share some knowledge about die casting. Contact us to start a new project! 1. Characteristics of die casting Pressure casting…
How to select the right hot runner types for injection molding dies
How to select the right hot runner types for injection molding dies Posted on : Apr18, 2022 By GREFEE The hot runner technology brings a revolutionary change into the mold market. More and more customers choose hot runners. The spread of this technology increases the pass rates of production and quality of products. It also minimizes the deformation issues of the products’ appearance. Meanwhile, it raises the production rates and achieves automation production, which expands the application range of the…
GREFEE has more standards for mold machining
Except for ISO9001, GREFEE has more standards for mold machining Posted on : April 15, 2022 By GREFEE Except for ISO9001, GREFEE has more standards for mold machining In GREFEE, all production must strictly follow the ISO 9001 quality control system. However, we have more than that. With more than 20 years of experience, we developed a more rigorous production standard for the details in production, which improves our production rates significantly. Besides, its convenient operation reduces the occurrence of mistakes.CONTACT…
Property intoduction of materials
Things you should know for a good selection of material Posted on : Apr14, 2022 By GREFEE GREFEE has a strict material selection standard. Most materials that we use are from well-known material suppliers, and they come with material reports. Below is some knowledge of the material that you want to know. Begin with a new project with GREFEE.CONTACT The metal material is often divided into three types, which are black metal, nonferrous metals, and special metals. Black metal, also known…