Definition of CNC machining explained:
CNC machining, also known as CNC machining, is the use of CNC computer machining, because CNC machining is after programming and then by the computer to execute the programme processing, therefore, CNC machining is characterised by stable machining accuracy, can be processed complex shapes of workpieces, machining speed is very fast because of the complete dependence on human operation, the staff’s work experience will affect the quality of processing.
Professional explanation of metal injection molding(MIM).
Metal injection is an environmentally friendly process in powder metallurgy(MIM process steps).
MIM is capable of producing metal or ceramic parts with complex shapes in a single operation in the same way as plastics. the process technology uses the injection method, using a combination of powdered metal and plastic injection, can be directly formed into thin-walled parts, due to the metal particles are very small, injection moulding of the workpiece for sintering, can remove most of the impurities and molecular gaps, so that the sintered parts have a high degree of precision, high dimensional consistency, surface finish, and so on, without the need for secondary processing can be applied to the project, the degree of automation in the production of MIM The production automation degree of MIM is very high and the production process is simple, which can realise the manufacture of metal parts in large quantities.
Having carefully explained the MIM process and CNC machining methods above, we will now compare the respective characteristics of the two processes:
The same:
metal injection moulding and CNC both are suitable for the production of three-dimensional structure of complex, high precision requirements of the product.
Differences between the two processes:
1.Complex parts cost: when the product complexity is extremely high, CNC by the hour,metal injection can be automated, the cost is higher than the metal injection moulding;
2. Ultra-small parts production: CNC finishing is limited by the blade, and cannot produce ultra-small parts, but metal injection moulding is very suitable for producing small parts;
3.Ultra-thin parts production: CNC is subject to clamping, wall thickness of less than 1mm products are easy to deformation, metal injection moulding can produce ultra-thin parts;
4.Mass production: small batch production, CNC production efficiency; mass production, metal injection moulding production efficiency.
5. Impact on the environment:CNC is a process of grinding parts, which generates a large amount of scrap metal, resulting in material waste and higher costs. Metal injection uses recycled scrap metal and can be produced with “zero waste”, which greatly saves material and reduces product costs, which helps to reduce waste of natural resources, and is also an important goal of Osweypm’s environmental sustainability, to change the earth’s environment with our small impact.