Get instant quotes on DMLS metal parts with full-density mechanical properties, complex geometries impossible with CNC, and production-grade quality. Partwork delivers industrial direct metal laser sintering for aerospace, medical, tooling, and high-performance engineering applications - in as fast as 5 days.
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DMLS offers exceptional design freedom for metal parts but requires careful attention to supports, thermal management, and post-processing. Follow these guidelines for the best results.
DMLS support strategy significantly impacts surface quality and post-processing cost. Our engineers review every file for optimal orientation, support minimisation, and thermal management before printing. A DFM review is mandatory for first-time DMLS orders.
EOS, Trumpf, or equivalent industrial DMLS machines with validated process parameters for each material. Not desktop or hobbyist metal printers - true production-grade equipment delivering 99.5%+ part density.
DMLS is unforgiving of poor design choices. Every order receives a detailed manufacturability review covering support strategy, orientation, thermal management, and post-processing requirements before a single layer is printed.
Stress relief, support removal, heat treatment, bead blasting, CNC post-machining, and surface finishing all handled by Partwork. You receive a finished, functional metal part - not a raw print requiring further work.
Certified metal powders with batch-level traceability. Material test certificates, tensile and hardness reports, and print logs available for every order - essential for aerospace, medical, and defence applications.
Partwork combines DMLS with CNC post-machining on the same platform. Print the complex geometry in DMLS, then finish critical tolerance surfaces by CNC. Achieve both geometric complexity and precision in a single order.
Upload your STL and receive instant pricing based on material volume, support estimate, and post-processing. No opaque quotation delays - get pricing in minutes, not days.
100% quality assurance on every order. CMM inspection reports available on request. We reprint or refund parts that do not meet agreed specifications - no questions asked.
Combine DMLS metal printing with CNC machining, sheet metal, and polymer 3D printing from a single Partwork dashboard. Prototype a part in SLA, validate in FDM, and produce in DMLS - all from one supplier.
| Feature | CNC Machining | DMLS Metal 3D Printing |
|---|---|---|
| Internal Geometries | Limited to drill reach and tool access | Unlimited - conformal channels, lattices, hollow structures |
| Design Complexity | Constrained by tool paths and fixturing | Near-unlimited geometric complexity |
| Part Consolidation | Multi-piece assemblies often required | Consolidate assemblies into single printed parts |
| Dimensional Tolerance | ±0.025mm standard, ±0.01mm precision | ±0.1mm as-printed, ±0.025mm with post-machining |
| Surface Finish | Ra 0.8-1.6µm standard, Ra 0.2µm achievable | Ra 6-15µm as-printed, Ra 0.8µm with post-machining |
| Material Waste | High - subtractive process removes significant material | Minimal - additive process, only material used is sintered |
| Lead Time (prototype) | 5-15 days for complex parts | 5-12 days including heat treatment |
| Tooling / Setup Cost | Fixtures and tooling required for complex parts | No tooling - print directly from CAD |
| Cost at Low Volume (1-5 parts) | High setup cost, moderate per-part cost | Moderate - no setup cost, material and machine time only |
| Cost at High Volume (100+ parts) | Lower per-part cost with amortised setup | Higher per-part cost than CNC at volume |
| Topology Optimisation | Not manufacturable in most cases | Directly printable - produce weight-optimised organic shapes |
| Best Use Case | Prismatic parts, high-volume production, tight tolerances | Complex geometries, low volume, part consolidation, lightweighting |
DMLS is most cost-effective for 1-50 parts with complex geometry, exotic materials, or internal features. Beyond 50-100 units, CNC machining typically offers lower per-part costs for standard geometries. For production volumes above 500 parts in metal, Partwork will evaluate casting, forging, or high-volume CNC as alternatives - we recommend the process that serves your application, not the most expensive one.
Answers to common questions about dmls metal 3d printing in india — titanium, inconel & stainless steel parts in 5 days.
DMLS (Direct Metal Laser Sintering) builds metal parts layer by layer from powder using a fiber laser, enabling geometries impossible with CNC machining - internal channels, lattice structures, organic topology-optimised shapes, and part consolidation. Unlike CNC which removes material from solid stock, DMLS only uses the material that forms the final part, with minimal waste. Mechanical properties are comparable to wrought metal at 99.5%+ density.
DMLS parts achieve 99.5%+ relative density with mechanical properties comparable to or exceeding conventional wrought or cast equivalents. For example: SS316L printed by DMLS achieves ~530 MPa tensile strength vs ~480 MPa for cast 316L. Ti-6Al-4V DMLS matches AMS wrought titanium specifications. Properties vary by material and heat treatment - full datasheets available on request.
Yes, heat treatment is mandatory for most DMLS materials and is included in our standard process. Stress relief removes residual stresses built up during printing and is performed before support removal to prevent distortion. Additional age hardening (Inconel 718, Maraging Steel), annealing (Ti-6Al-4V), or T6 treatment (AlSi10Mg) improves mechanical properties and is performed according to material specifications.
As-printed DMLS surfaces are Ra 6-15µm - functional but visibly textured. Support contact areas are Ra 10-20µm (rougher). After bead blasting (standard), finish improves to Ra 3-8µm uniformly. For critical surfaces like sealing faces, bearing bores, or mating surfaces, CNC post-machining achieves Ra 0.8-1.6µm. Polishing or electropolishing (SS316L) can reach Ra 0.2µm.
DMLS achieves ±0.1mm or ±0.1% dimensional accuracy as-printed. For critical tolerance features (bearing fits, sealing faces, threaded interfaces), CNC post-machining on the same order can achieve ±0.025mm or better. Always specify which dimensions are critical on your drawing so we can plan post-machining accordingly.
DMLS complements rather than replaces CNC. Choose DMLS when geometry is too complex to machine, when internal features are required, or when part consolidation adds value. Choose CNC for simple prismatic geometry, tight tolerances across the full part, high volumes (50+ units), or when as-machined surface finish is needed on all faces. Partwork often combines both: DMLS for the complex shape, CNC post-machining for critical surfaces.
Partwork offers SS316L (corrosion-resistant general purpose), AlSi10Mg (lightweight aluminium), Ti-6Al-4V Grade 5 (aerospace and medical titanium), Inconel 718 (high-temperature superalloy), and Maraging Steel 1.2709 (ultra-high-strength tooling steel). Additional materials including SS17-4PH, CoCr, and copper alloys are available on request.
SS316L and AlSi10Mg parts are typically dispatched in 5-8 days including stress relief and bead blasting. Titanium and Maraging Steel take 7-10 days due to extended heat treatment cycles. Inconel 718 with aging treatment takes 8-12 days. CNC post-machining on critical surfaces adds 3-5 days. Rush orders are evaluated on request.
Yes, and this is one of the most compelling applications for DMLS. Conformal cooling channels follow the contour of the mould cavity - impossible to drill conventionally. Studies show conformal cooling reduces injection moulding cycle times by 15-40% and eliminates hot spots. Maraging Steel 1.2709 is the standard material, hardened to ~54 HRC after age hardening for full production tool life.
Yes. Our manufacturing partners hold AS9100 (aerospace) and ISO 13485 (medical device) certifications for applicable DMLS orders. Ti-6Al-4V DMLS parts can be produced to ASTM F3001 and AMS 4999 standards. SS316L and Ti-6Al-4V are biocompatible materials per ISO 10993. Material certification packages including powder lot traceability, tensile, hardness, and chemical composition reports are available.
HIP (Hot Isostatic Pressing) is a post-processing step that uses simultaneous high pressure and temperature to close any residual internal porosity in DMLS parts, further improving density toward 100% and significantly enhancing fatigue life. HIP is recommended for fatigue-critical applications like aerospace load-bearing structures, rotating components, and medical implants. It adds 5-7 days and cost to the order but is mandatory for certain certifications.
Yes, and this is one of Partwork's key advantages. Hybrid DMLS + CNC orders are handled on a single platform. The complex geometry is printed in DMLS, then critical faces, bores, threads, and sealing surfaces are CNC machined to tight tolerances (±0.025mm) and fine finishes (Ra 0.8µm). This combines the geometric freedom of additive with the precision of subtractive manufacturing.
Unlock geometries impossible to machine. From SS316L to titanium and Inconel - Partwork delivers production-grade DMLS metal parts with full material certification and expert DFM support.