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Aluminum extrusion molding process characteristics
Aluminum extrusion molding process characteristics Posted on :June 13th，2024 By GREFEE Aluminum extrusion molding is a plastic processing method that applies strong pressure to the metal billet in the mold cavity (or extrusion cylinder), forcing the metal billet to undergo directional plastic deformation and being extruded from the holes of the mold to obtain the required cross-sectional shape, size, and mechanical properties of parts or semi-finished products. Classifications of aluminum extrusion molding According to metal plastic formation flowing directions, extrusion…
Common CNC machining stainless steel
Common CNC machining stainless steel Posted on :On May 31th,2024 By GREFEE Stainless steel has a variety of characteristics in the environment over a wide temperature range, such as Stainless steel has characteristics such as corrosion resistance, scaling resistance, acid resistance, impact resistance, and toughness. Under different conditions, it can provide various grades and surface smoothness to make the components be the best option for many applications. The chromium in steel can form a rough, invisble, and corrosion resistant chromim…
Plastic materials for machining
Plastic materials for machining Posted on :On May 30th,2024 By GREFEE In the mechanical parts machining industry, plastic is the kind of material used quite common. What’s more, machining is a type of common processing techniques, so what kinds of plastics suitable for machining? 1.ABS ABS is one of the five compound resins that has outstanding impact resistance, heat resistance, chemical resistance, and electrical performance. It is characterized by its advantages of easy to process, stable product sizes, good surface…
Metal Mold Gravity Casting (Hard Mold Casting)
Metal Mold Gravity Casting (Hard Mold Casting) Posted on :On May 18th,2024 By GREFEE Gravity casting, also known as hard mold casting, is a casting method that pours liquid metal into the metal mold to obtain castings. The mold is made of metal and is reusable. Compared with sand casting, metal gravity casting has many advantages in terms of technology and economy. 1.The mechanical properties of castings produced by metal molds are higher than those of sand molds. The same…
Sand mold low-pressure casting process, casting of thin-walled parts
Sand mold low-pressure casting process, casting of thin-walled parts Posted on : On May 15th,2024 By GREFEE Thin walled castings process has been always a difficulty in industry, especially when low-pressure casting process is applied to the production of complex thin-walled aluminum alloy castings, the complexity of the sand casting system makes it difficult to ensure the quality of the castings. Thus, to ensure the quality of castings, the system optimizing of sand mold gating system is essential. On the…
Analysis of factors affecting the accuracy of plastic injection molded parts and decrease in strength of plastic products.
Analysis of factors affecting the accuracy of plastic injection Molded parts and decrease in strength of plastic products Posted on: April 11th，2024 By GREFEE Plastic injection molding parts is widely applied in different modern industries. The accuracy and strength affect product quality and performance directly. Thus, understand accuracy level and strength of plastic parts is essential for quality improvement and customer needs. Firstly, we need to know the accuracy level of plastic parts. It basically demonstrates the how much the…
Common Tools in CNC Machining, Different Tools Correspond to Different Product Processing
Common Tools in CNC Machining, Different Tools Correspond to Different Product Processing Posted on:April 8th，2024 By GREFEE CNC machining belongs to the category of metal cutting, but has its own characteristics. Realized as a highly automated, long-running continuous machining process in which tool setup times are more complex and time-consuming than conventional machining, there are many issues to consider when selecting tools. Ⅰ、Mold materials and coatings The various tool materials in use today have properties suited to different machining requirements….
Features of Vacuum Die Casting, Semi-solid Die Casting, Oxygenated Die Casting and Double Punch Die Casting
Features of Vacuum Die Casting, Semi-solid Die Casting, Oxygenated Die Casting and Double Punch Die Casting Posted on：April 6th，2024 By GREFEE 1、 Vacuum die casting How to remove the gas in the mold cavity has been of really important in the die casting process.Some believe that it is difficult to fill the cavity with the melting metal, so it is harder to remove the gas out of it. Thus, vacuum die casting is created to make sure the cavity is…
What is injection mold composed of?
What is injection mold composed of? Posted on :March 8,2024 By GREFEE Injection molding is an important part of modern plastic manufacturing industry. While, injection mold is the key part of it, and the quality of the mold directly affects the product quality and production rate. Therefore, understand the components of mold is helpful in increasing production rate and improving product quality. We gonna talk about the major components of injection mold. 1. Mold frame Mold frame is the basic…
The commonly used aluminum — grefee aluminum alloy die casting material
The commonly used aluminum — GREFEE aluminum alloy die casting material Posted on : March 8 , 2024 ， By GREFEE The fundamental industrial of the manufacturing is hardware processing. The aluminum alloy die casting is essential in hardware processing industrial. Almost 90% of business in hardware processing will involve aluminum alloy die casting products. As an important composed part of metal die casting industry, aluminum alloy die casting produced over 50% metal die casting pieces. Since aluminum alloy die…
Blow molding may be fit for your products
Blow molding may be fit for your products Posted on : November25 , 2023 ， By GREFEE In addition to injection molding, many plastic products can also be processed by blow molding. For certain products, blow molding has natural advantages of structure and cost. 1. Introduction of blow molding Blow molding is a manufacturing technique to make hollow plastic components by inflating the heated plastic tubes until the whole mold is filled out and the required shapes have been formed….
Design and manufacture for three-mold
Design and manufacture for three-mold Posted on :November 11 , 2023 ， By GREFEE Sharing about three-color mold design and manufacturing technology in GREFEE Product introduction GREFEE provides injection molded plastic parts and subassembly to the world’s leading OEM, ODM, OBM, and massive customer companies who are dedicated to product R&D,involving automotive interior and exterior trim parts, communication parts, consumer electronics, personal wearable products, medical products,appliances, and personal consumer electronics, etc. . GREFEE’s core businesses in injection molding are single-color,…