Technical guidance

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Projects and guides

Industrial projects, demonstrators and application guides for metal additive manufacturing.

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Large LMD-manufactured bridge node component

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Showing all 20 projects and guides.

Side view of forging hammers showing incremental LMD layers on the working surface

Published industrial project

Forging Hammer Repair and Coating with LMD

How Exafuse uses Laser Metal Deposition to rebuild and reinforce forging hammer working faces, including a 170 mm radius round-die coating example with 20 mm Inconel 625 and laser polishing.

Repair vs replaceWear and corrosionQualification
Industrial metal component prepared for repair or rebuild

Application guide

Gear, Pinion and Toothed-Part Repair: When LMD Is Worth Evaluating

LMD can be worth evaluating for toothed industrial parts when the damage is local, the base component still has value, the material can be identified and the repaired geometry can be...

Repair vs replace
Close-up of a tungsten-carbide-containing LMD hardfacing surface

Application guide

Hot-Forming Die and Tooling LMD Hardfacing Review

How Exafuse evaluates hot-forming dies and tooling wear zones for LMD repair or hardfacing, using tungsten-carbide coating imagery as public coating context.

Repair vs replaceWear and corrosionQualification
Final rolling die cylinder after laser cladding and finishing

Published industrial project

Rolling Die Cylinder Coating with LMD Laser Cladding

How Exafuse developed a laser-cladding route for a cylindrical rolling-die component using material screening, diameter build-up, crack and pore review, microscopy and HV1 hardness profiles.

Wear and corrosionQualificationRFQ and buying
Valve seat ring after dye test with no visible cracks or pores in the photographed condition

Published industrial project

Valve Seat and Wear Ring LMD Coating for Wear-Resistant Surfaces

Exafuse applied LMD / laser cladding to valve-seat and wear-ring geometries, combining layer planning, thermal control, finishing allowance and dye-penetrant inspection.

Wear and corrosionQualificationRFQ and buying
Laser Metal Deposition nozzle above a large cylindrical part during cladding

Published industrial project

Large Cylindrical Part LMD Cladding with Process Video

A visual case for LMD / laser cladding on a large cylindrical component, showing process access, rotation logic, surface planning and a short deposition video.

Wear and corrosionRepair vs replaceQualification
Inspection equipment for additive manufacturing quality review

Research note

Research Topic: Detecting and Reducing Porosity Risk in LMD

Porosity risk in LMD should be treated as an evidence question, not as something checked only by looking at the final surface.

Qualification
Thumbnail image of a 750 mm multi-material LMD nozzle demonstrator

Internal demonstrator

750 mm Multi-Material LMD Nozzle Demonstrator Case

A published Exafuse case on thin-wall LMD, material zoning and long-build process planning using a 750 mm water-cooled nozzle demonstrator with Inconel 625 and Inconel 718.

Metal AM routeDfAM and OEMQualification
Cut section of a bridge node used for LMD manufacturability and DfAM review

Application guide

DfAM Bridge Node Manufacturability Review for LMD

How bridge-node geometry illustrates why metal AM projects need DfAM, manufacturability review, wall strategy, finishing and validation planning before production.

DfAM and OEMMetal AM routeQualification
Repaired extrusion screw after final milling

Published industrial project

Nobufil Extrusion Screw Repair: Short-Lead-Time LMD Rebuild of a Cracked Stub Shaft

How Exafuse repaired a cracked Nobufil extrusion screw shaft with a targeted DED/LMD route when no replacement screw was immediately available.

Repair vs replaceRFQ and buyingQualification
Pipe demonstrator image for functionally graded LMD material transition discussion

Internal demonstrator

Functionally Graded LMD Pipe Demonstrator

A publication-ready case on functionally graded LMD thinking: material zones, controlled transition, interface risk and validation boundaries for a pipe or tubular demonstrator.

DfAM and OEMMetal AM routeQualification
Spindle positioned in the LMD machine before Inconel 718 deposition

Published industrial project

24-Hour Inconel 718 Coating Repair for an Undersized Spindle

How Exafuse recovered an undersized machined spindle feature by applying a targeted Inconel 718 LMD coating, leaving machining allowance and enabling dimensional recovery.

Repair vs replaceRFQ and buyingQualification
130 mm drill during Laser Metal Deposition build and coating workflow

Published industrial project

130 mm Drill: LMD Build-Up and Functional Coating

A 130 mm drill demonstrator showing how LMD can combine part build-up with a wear-resistant, antimagnetic functional coating in one planned manufacturing chain.

Wear and corrosionMetal AM routeQualification
Turbo-generator rotor wedges after copper-alloy Laser Metal Deposition coating

Published industrial project

Turbo Generator Rotor Wedge Coating with LMD: Heat-Controlled CuNi2SiCr on Copper Substrate

Exafuse developed an LMD coating route for turbo generator rotor wedges where the coating challenge was not only wear and corrosion resistance.

Wear and corrosionMetal AM routeQualification
Large LMD-manufactured bridge node component

Public infrastructure project

Duisburg Bridge Components: More Than 750 kg Produced with LMD

Exafuse produced more than 750 kg of LMD components for a pedestrian bridge project in Duisburg, including six structural nodes and handrail elements.

Metal AM routeQualification
Poster frame from a Laser Metal Deposition powder-wall build video

Internal demonstrator

LMD Metal Powder Test-Wall Screening Case

How LMD test walls can screen new metal powder processability before committing to full component trials.

Metal AM routeQualificationRFQ and buying
Thumbnail image of a 300 mm Inconel 718 thin-wall LMD demonstrator

Internal demonstrator

Inconel 718 Thin-Wall LMD Demonstrator Case

A 300 mm Inconel 718 thin-wall LMD demonstrator case for discussing physical proof, wall continuity, finishing and application-specific validation boundaries.

Metal AM routeQualification
Front view of a metal 3D printed helical impeller prototype showing repeated helical blades

Published industrial project

3 kW Helical Impeller Metal 3D Printing Prototype Case

A metal 3D printed helical impeller prototype case for manufacturability review, rotating geometry feedback and process-selection discussion.

Metal AM routeDfAM and OEMQualification
Existing metal part after Laser Metal Deposition feature addition

Published industrial project

LMD Part Modification and Feature Addition Case

How Laser Metal Deposition can add local features to an existing metal part when access, substrate, finishing and inspection make the route practical.

Repair vs replaceMetal AM routeQualification
Finished ring-shaped mining-machine holder component after LMD hardfacing on the wear surface

Published industrial project

Mining-Machine Dozer Blade Holder LMD Hardfacing Case

A published LMD hardfacing example on a curved mining-machine holder surface, presented without customer identity, process recipes or unsupported lifetime claims.

Wear and corrosionRepair vs replaceQualification

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