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Why Do 5G Dielectric Filters Choose Ceramic Powder Injection Molding?[ 09-16 09:29 ]
Dielectric filter has the characteristics of high permittivity, low loss, small size and good thermal drift resistance. Electromagnetic resonance in ceramic filter occurs in ceramic dielectric material which reduces the volume and weight of whole filter. Meanwhile, ceramic material has the characteristics of high Q medium, low insertion loss, wider band width that can be covered, and high power.
Steam process flow of iron - based PM parts[ 09-12 08:22 ]
The process of steam treatment is generally: 1) polishing -2) oil degreasing -3) water washing -4) drying -5) steam treatment -6) oil immersion -7) inspection. In addition to oil, including ultrasonic cleaning, rust cleaning.
SLM Selective Laser Melting: 3D Printing Technology for Powder Metallurgy Prototype[ 09-11 08:55 ]
Selective laser melting (SLM) was first proposed by the Froounholfer institute in Germany in 1995, and its operation principle is similar to SLS. SLM converts laser energy into heat to powder metallurgy. The main difference is metal powder does not completely melt in SLS process, while in the manufacturing process of SLM, metal powder is heated to form after complete melting.
Heat treatment method for MIM iron - based powder gear[ 09-10 08:42 ]
Iron-based powder injection molding products need further processing to ensure its quality meet requirements. In order to ensure hardness, strength and wear resistance of gear, it is necessary to do corresponding heat treatment. Whether heat treatment method chosen is reasonable or not will affect the final quality of gear.
Working principle and process of vacuum sintering furnace[ 09-06 08:50 ]
Working principle of vacuum sintering furnace is that under the action of heating temperature lower than melting point, metal injection molding green part’s inside particles can bond to each other and transfer substances, so as to eliminate pores, shrink volume, improve strength, and gradually change into metal products with certain geometric shape.
Knowledge of powder metallurgy (PM) process and sintering (5)[ 09-04 08:31 ]
4.2.5 Powder pressed steel bonded carbide and high-speed steel (1) Steel bonded carbide Steel-bonded carbide is a new kind of mould material which appeared in the 1950s.It has following main characteristics:
Knowledge of powder metallurgy (PM) process and sintering (4)[ 09-03 08:34 ]
4.2 Powder pressing products and applications In modern automobile, aircraft, construction machinery, instrument, aerospace, military industry, nuclear energy, computer and other industries, many materials with special performance or parts under special working conditions are needed, powder press metallurgy to a large extent promotes solution of these tasks closely related to development of science and technology.
Knowledge of powder metallurgy (PM) process and sintering (3)[ 09-02 10:07 ]
Under normal circumstances: the first process accounted for about 80%; However, there are many applications for the second procedure. The more complex third and fourth processes are only used for some special parts. In recent years, due to development of compactable powder materials and high wear-resistant die materials, high strength parts can be obtained by one time pressing.
Defects and Control of Debinding Process in Metal Powder Injection Molding[ 08-30 16:09 ]
In order to ensure that the sample does not bubble, crack, peel, perforate, dirty and deform during debinding process, following principles should be followed
Knowledge of powder metallurgy (PM) process and sintering(2)[ 08-29 08:45 ]
Powder mixing is to fully mix various metal powders and additives (such as lubricants, etc.) based on calculation of product ingredients and specific particle size distribution. This process is completed by powder mixing machine.
Knowledge of powder metallurgy (PM) process and sintering(1)[ 08-28 09:08 ]
Powder metallurgy is a method of making various kinds of parts and products by using metal powder (or a mixture of metal and non-metal powder) as raw materials and sintering after pressing.
Powder Injection Molding Mold Design[ 08-27 09:19 ]
In order to ensure that the injection process is easy to form and draft, beautiful product and prevent injection, mold design should not only consider gate and runner size, shape and position, but also consider parting, exhaust and mold cost.
Advantages of steam treatment technology for iron - based powder metallurgy parts[ 08-23 08:44 ]
Powder metallurgy technology can be used to manufacture parts of various materials, and iron based parts are the main products used in automobile, agricultural machinery, instrument, household appliances and other industries.
Continuous improvement of MIM technology[ 08-21 08:49 ]
In past few decades, metal injection molding (MIM) technology increasingly produce complex parts, its applications have covered a wide range of different industries. With increasing market demand for high-quality parts with small geometric deformation and strong material performance, MIM technology has been spread and integrated into production lines of various industries, such as automobile, medical equipment and mobile phone manufacturing.
NMT nano injection molding, hammer can not drop the perfect combination of metal and plastic[ 08-20 09:55 ]
NMT (Nano Molding Technology) is the combination of metal and plastic by nano technology method. The metal surface is first treated with nanometer, plastic injection molding directly on metal surface, can let the metal and plastic forming an organic whole.
What is the difference between injection molding and press molding?[ 08-19 13:47 ]
There are four kinds of powder metallurgy forming processes: press forming, injection forming, powder forging and powder rolling. At present, more common used are powder metallurgy press molding and powder metallurgy injection molding, so what is the difference between powder metallurgy press molding and powder metallurgy injection molding?
Introduction to Wax Base Binder in Powder Injection Molding[ 08-15 11:18 ]
According to its main composition and properties, the binder used in powder injection molding is generally divided into: wax base binder, oil base binder, oil waxy binder, aldehyde base binder, water-soluble binder, gel base binder, acrylic base binder, thermosetting binder, thermoplastic - thermosetting binder, etc
Sintering - hardening of iron - based products by injection molding[ 08-14 08:35 ]
Sintering and hardening treatment of iron based powder products can obtain same microstructure and mechanical properties as conventional heat treatment, which can eliminate traditional operation of reheating austenitization - oil quenching with batch furnace, not only saves energy, but also reduces production cost.
Electroless nickel plating on MIM products[ 08-13 08:48 ]
Many properties and microstructure of MIM products are formed during sintering, but some performance can only be improved and perfected by heat treatment. Heat treatment is very important for iron based MIM products, at same time iron-base MIM products can do nickel plating to prevent rust.
Causes of oxidation and Decarbonization in sintering process of MIM iron - based products[ 08-12 08:35 ]
In most cases, oxidation is often accompanied by decarbonization to varying degrees, which is also serious when oxidation is serious. It is often seen that surface of sintered iron-based products shows blue phenomenon, or hardness of sintered products is lower than standard, resulting in unqualified appearance and performance, affecting product quality, and wasting production costs due to scrap.
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