Metal Injection Molding MIM In Powder Spray

       

Metal injection molding, referred to as MIM (metal injection molding), is a powder metallurgy near-net forming process that extends from the plastic injection industry.

18Ni300 is a kind of low-carbon maraging steel. Its strength, toughness and wear resistance are better than conventional steel materials. It is often used to make parts in the automobile, medical and mechanical industries. Due to the small size and complex shape of these parts, conventional powder metallurgy processes are often difficult to form or have poor performance, which greatly increases production costs. The use of metal injection molding (MIM) is an effective solution. Program.

Different from the traditional powder metallurgy process, MIM (metal injection molding) has its unique advantages in terms of molding shape and mechanical properties:

Items	MIM method	Traditional PM method
Particle Size(um)	0-20	50-100
Density(%)	95-98	80-85
Weight(g)	0.03-50	10-100 and more
Shape	Complex Shape	Simple shape
Mechanic Behavior	Excellent	Not bad

The metal injection molding technology makes up for the defect that the traditional powder metallurgy process cannot process small and complex parts, and greatly reduces the mass production cycle of small and complex parts. The parts produced by MIM technology are close to the final molded parts, and the dimensional accuracy is also higher than that of traditional PM molded parts.

MIM technology has a wide range of applications, ranging from aerospace, automotive, military industry, and medical fields to mobile phones, watches, and household electronic products. It can be said that there are MIM products everywhere in our lives.

MIM technology is also applicable to a wide range of materials, such as stainless steel, iron-based alloys, magnetic materials, tungsten alloys, cemented carbide, etc., are all commonly used powder materials for MIM. The MIM process requires fine powder size (0-20μm), spherical or nearly spherical shape, and high tap density. These parameters affect the production process of the MIM process and the final performance of the product.

A few days ago, wococarbide produced high-quality 18Ni300 metal powder for injection molding. The metal powder is produced by a vacuum atomization process. The inert gas is protected during the production process to avoid the turbulence caused by the contact between the metal liquid and the air during the atomization process. Cause the powder to stick to each other. The sphericity of the 18Ni300 powder produced is more than 90%, and the oxygen content is controlled within 200ppm. The use effect is good after customer feedback.