Cost-effective manufacturing of parts with superior surface quality and demanding geometries in large quantities. More than 20 high-tech materials are available including Titanium or NdFeB.
Metal injection molding
Key Facts
The MIM process combines the design flexibility of plastic injection molding with the strength and precision of metal, enabling the cost-effective production of complex, high-performance parts.
Materials available including functional materials
Years of experience
technologies in-house
Patents filed or pending
Metal Injection Molding
Advantages - Case study 1
Consolidation
An assembly that previously consisted of several components was consolidated into one tool-case component using MIM.
Integration of functionality
The knurling step was eliminated, as the required structure was already incorporated into the tool.
Elimination of laser welding
The individual components were previously joined using laser welding. This step was eliminated with the use of the MIM process.
Titanium
Even components made from hard-to-machine materials can be produced cost-effectively with the MIM process.
Great freedom of shaping
MIM imposes less geometric limitations than conventional machining, casting, or press-sintering; the only requirement is that components can be demolded.
Coating
Partial coating to improve sliding properties during assembly.
Metal Injection Molding
Advantages - Case study 1
Metal Injection Molding
Advantages - Case study 2
Lightweight reduction
To reduce the moving mass, material was omitted wherever possible. This enables higher rotation speeds and reduces material costs.
Milling and honing of bearing eye
Due to the high demands on dimensional accuracy and surface properties, the component is milled and honed in the bearing eye.
Integration of functionality
A micro bore, which could only be economically realized in the green part state, ensures sufficient lubrication of the axle.
Grinding of the cam contact area
The cam contact surface is also grinded with high precision to produce the required convexity.
Tool steel
Tests with various materials led to the selection of a material that is difficult to machine.
DLC-Coating
Finally, the component is given a DLC-Coating to further improve the wear resistance.
Metal Injection Molding
Advantages - Case study 2
Metal Injection Molding
The process
Find out everything about our metal injection moding process. MIM is a four-step process for producing net-shape parts with complex geometry and functionality.
Feedstock
Fine metal powders are mixed with thermoplastics and additives, then granulated into pellets after homogenization.
Injection Molding
The feedstock is injected into a mold, creating a "green part" up to 20% larger than the final sintered component.
Debinding
Debinding removes most of the binder, leaving 2-3% residual binder to stabilize the "brown part" for the next step.
Sintering
Sintering at 1200°C to 1400°C causes the part to shrink by 20%. A density of more than 96% is achieved.
Metal Injection Molding
Materials
Low-alloyed steels for heat treatment
Low-alloyed steels contain small amounts of alloying elements (up to ~5%), enhancing hardness, strength, and wear resistance. These materials are typically used heat-treated, and offer good hardness, toughness, and fatigue resistance, making them ideal for technical components in machinery industries, aerospace or automotive.
Tool steels
Tool steels are high-performance steels designed for highly loaded components in demanding applications. Such steels show a high hardness, wear resistance, and toughness. These steels are ideal for high-stress applications offering excellent durability and strength in industries like automotive and manufacturing.
Stainless steels
Stainless steels are corrosion-resistant alloys that offer excellent resistance to rust and oxidation, making them ideal for harsh environments. Used in a wide range of applications, including medical devices, aerospace, machinery industries and consumer.
Titanium
Titanium and Titanium alloys are lightweight, corrosion-resistant metals known for their high strength-to-weight ratio. Titanium is commonly used in aerospace, medical, and high-performance applications requiring durability or biocompatibility.
Permanent magnetic and other functional materials
NdFeB
NdFeB permanent magnets offer exceptionally high magnetic strength, making them ideal for compact and powerful applications. Combined with MIM process NdFeB permanent magnets with unique design and magnetization can be produced.
CeFeB
Ce-substituted NdFeB-type alloys are a more sustainable and resilient solution for permanent magnet applications. Cerium is a Rare Earth element with significantly reduced criticality compared to Neodemium. MIM as shaping technology can compensate the disadvantages of reduced magnetic properties compared to typical NdFeB-alloys. CeFeB permanent magnets are under development at MIMplus.
SmCo
SmCo permanent magnets provide high magnetic strength and excellent thermal stability, making them suitable for high-temperature environments. They also offer strong resistance to corrosion, often eliminating the need for protective coatings. SmCo permanent magnets are under development at MIMplus.
Ferrite
Ferrite permanent magnets are cost-effective and offer good resistance to corrosion and demagnetization. They are also stable over a wide temperature range, making them suitable for many general-purpose applications. Ferrite soft magnetic materials are often applied in electronics. Ferrite soft and permanent magnets are under development at MIMplus.
Magnetocaloric alloys
Magnetocaloric materials experience thermal changes when exposed to magnetic fields. This behavior can be utilized for innovative cooling systems, similar to the Carnot cycle. Magnetocaloric materials are under development at MIMplus.
Soft magnetic materials
FeCo
Iron-cobalt alloys offer exceptionally high magnetic saturation, making them ideal for applications requiring strong magnetic fields. Iron-cobalt alloys are particularly brittle and difficult to machine. MIM is the perfect production process for this group of soft magnetic alloys.
Other alloys
MIMplus offers several further alloys for demanding applications. On customer demand MIMplus can develop feedstocks in-house or with qualified suppliers.
MIMplus is the worldwide first industrial supplier of high performance NdFeB permanent magnets, shaped by the Metal Injection Molding technology. The patented technology was developed at MIMplus.
Good to know
Design Guidelines & Tolerances
Guidelines & Tolerances
View now
Plus Services
Post Processing
Post-processing of parts produced through Metal Injection Molding (MIM) may be required to meet specific tolerances, surface quality, and functionality. MIMplus Technologies offers all common post-processing technologies in-house or at qualified sub-contractors.
Mechanical Processing
Heat Treatment
Surface Treatment
Assembly Work
Mechanical Processing
Heat Treatment
Surface Treatment
Assembly Work
ISO
9001:2015
IATF
16949
ISO
13485:2016
ISO
14001:2015
EMAS
1221/2009
EN 9100
starting 2025
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75228 Ispringen, Germany
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