3D Printing Materials
- Standard 3D printing technology
- Versatility in Materials
- Cost-Effective Prototyping
- Precision and Accuracy
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3D printing materials used in various industries
Affordability
They have uniform multi-directional strength and the superior mechanical properties of metals such as aluminum, stainless steel, titanium, Inconel, tool steel and stainless steel-bronze composites.
Complex Geometries
Metal 3D printing has advantages because it can produce high-performance, complex metal parts suitable for a variety of end environments. Metal 3D printed parts are isotropic,
Efficiency
3D metal printing can also be used to combine multiple assembly components into a single part. This generally results in a stronger structure by reducing the points of failure introduced by threads and inserts.
Adaptability
With metal 3D printing, CAD file information is sent directly to the printer, which means parts are often cheaper and faster than producing machined metal parts. Machined metal parts have overhead costs such as tool setup and longer machining times.
Materials of 3D Printing
Aluminium
Common Applications:
Automotive parts, electronic housings, consumer goods, and 3D printing.
Stainless Steel
Common Applications:
Gears, bearings, bushings, industrial components, and textiles.
Die Steel
Common Applications:
Medical devices, point-of-sale displays, and 3D printing.
Titanium
Common Applications:
3D printing, packaging, disposable tableware, and biomedical implan
Technical parameters of 3D printing materials
2. 3D printing layer thickness: 0.02mm~0.04mm;
3. The achievable accuracy of 3D printing: typical accuracy: ±0.02-0.05 mm (Accuracy is related to geometry. It varies according to product size, printing direction, materials and post-processing methods.);
4. Post-processing: high temperature annealing, polishing, welding and other processing;
5. Available Materials: Stainless Steel (316L, 17-4ph)
Inspection Equipment
| Equipment | Quantity | Brand |
| CMM | 2 | LEAD |
| 2.5D | 3 | |
| XRF Spectrometer | 1 | HITACHI |
| Altimeter | 1 | |
| Calliper | 20 | |
| Micrometer | 10 |
Regular Production Standard of Tolerance
| Small parts (<80×80mm) | About 20μm about 0.8×10-3 inches |
| large parts | About 50μm about 0.002 inches |
| age hardening shrinkage | About 0.08% |
| Minimum wall thickness | About 0.3-0.4 room meters about 0.012-0.016 inches |
| Surface roughness | |
| MS1 surface (20 microns) | Ra 4μm; RZ20μmRa 0.16×10-3 inches, RZ0.78×10-3 inches |
| MS1 performance (40 microns) | Ra 5μm; RZ28μmRa 0.19×10-3 inches, RZ1.10×10-3 inches |
| MS1 speed (50 microns) | Ra9μm; RZ50μmRa 0.47×10-3 inches, RZ2.36×10-3 inches |
| After shot peening | Ra 4 – 6.5μm; Rz 20 – 50μm |
| Ra 0.16-0.26 x10-3inch | |
| Rz 0.78-1.97 x 10-3 inches | |
| After polishing | Rz up to < 0.5 μm |
| Rz up to < 0.02×10- inch |
FAQs About 3D Printing
Is Rapid Prototyping the Same as 3D Printing?
Although rapid prototyping and 3D printing are often conflated, they have distinctions. Rapid prototyping encompasses additive manufacturing, expediting prototype production. 3D printing, a form of additive manufacturing, falls under this umbrella, highlighting its application in the process.
How costly is it to implement 3D Printing?
The extent of implementation and the particular type of 3D printing technology employed determine the outcome. 3D printers vary widely, spanning from affordable models to large-scale, high-priced industrial-grade machines. These disparities encompass factors such as part dimensions, material options, precision, dependability, and uniformity.
In contrast to conventional techniques like CNC machining or injection molding, 3D printing generally offers swifter production at lower quantities and reduced costs. As the advantages and uses of this technology expand, its scalability can be adjusted accordingly.
what are finishing options for 3D Printing ?
Polishing: The gradual blasting of aggressive to finer grits provides a glossy and smooth polished surface. This technique enhances the aesthetic appeal and improves the coefficient of friction.
Painting: The paints with countless colors can be costed into 3D print products after sanding for customization and protection.
Annealing: This process smooths out the surface by slightly melting the outer layers, commonly used with materials like PLA and ABS. The heating of 3D-printed parts to a specific temperature reduces internal stresses.
Vapor Smoothing: It uses a solvent vapor, such as acetone for ABS or ethyl acetate for PLA, to smooth the surface of a 3D-printed object.
Epoxy Coating: Applying a protective layer of epoxy resin to the surface of the 3D-printed part for durability and a smooth & glossy finish.
What are the commonly used stainless steel materials in metal 3D printing?
At present, there are three main types of stainless steel used in metal 3D printing: austenitic stainless steel 316L, martensitic stainless steel 15-5PH, and martensitic stainless steel 17-4PH.
a. Austenitic stainless steel 316L, which has high strength and corrosion resistance, can drop to low temperature in a wide temperature range. Austenitic stainless steel 316L can be used in aerospace, petrochemical and other engineering applications, and can also be used in food processing and medical fields.
b. Martensitic stainless steel 15-5PH, also known as maraging (precipitation hardening) stainless steel, which has high strength, good toughness, corrosion resistance, and can be further hardened, it is ferrite-free. At present, SS15-5PH is widely used in aerospace, petrochemical, chemical, food processing, paper-making and metal processing industries.
c. The martensitic stainless steel 17-4PH still has high strength and high toughness at 315℃, and has super corrosion resistance. It can bring excellent ductility with the laser processing state.
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