Usc sff process
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USC SFF Process. B. Khoshnevis. Commercialized RP Technologies. Selective Inhibition Sintering (SIS). Break-away surface. Sintered powder. Sintered powder. Particles treated with sintering inhibitor. The working of sintering inhibitor. Preliminary experiment.

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USC SFF Process

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Usc sff process

USC SFF Process

B. Khoshnevis

UNIVERSITY OF SOUTHERN CALIFORNIA


Commercialized rp technologies

Commercialized RP Technologies

UNIVERSITY OF SOUTHERN CALIFORNIA


Selective inhibition sintering sis

Selective Inhibition Sintering (SIS)

UNIVERSITY OF SOUTHERN CALIFORNIA


The working of sintering inhibitor

Break-away surface

Sintered

powder

Sintered powder

Particles treated with sintering inhibitor

The working of sintering inhibitor

UNIVERSITY OF SOUTHERN CALIFORNIA


Preliminary experiment

Preliminary experiment

Built in one afternoon with an electric heater filament and a light dimmer.

UNIVERSITY OF SOUTHERN CALIFORNIA


Preliminary results

Sintered layer

Holes due to inhibitor

Printed inhibitor

Separated sections

Preliminary Results

Single-layer experiments with polystyrene powder

Inhibitors:

- Cooking oil

- Water+alcohol

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The alpha machine

Use of a halogen lamp heater

Drive electronics

The Alpha Machine

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Sintering by nichrome pivoting heater

Sintering by Nichrome Pivoting Heater

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The alpha machine1

The Alpha Machine

Desk top size

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Driver software

Driver software

Interface

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Sample parts

Sample Parts

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2 5 d parts

2.5 D Parts

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3d parts

3D parts

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Moldless powder metallurgy mpm

Moldless Powder Metallurgy (MPM)

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Usc sff process

UNIVERSITY OF SOUTHERN CALIFORNIA


Usc sff process

UNIVERSITY OF SOUTHERN CALIFORNIA


Usc sff process

UNIVERSITY OF SOUTHERN CALIFORNIA


The mpm metal machine

The MPM-Metal machine

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Elementary parts

Elementary parts

Simple copper part made with ceramic inhibitor

Copper Part with complex geometry and sharp edges

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Scaling up from fabrication to construction

Scaling upFrom Fabrication to Construction

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Usc sff process

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Cc contour crafting

CCContour Crafting

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Flow analysis for nozzle design

Flow analysis for nozzle design

Comparison of flow patterns with simulation result and actual process.

Side views with a square orifice (top pictures), and side views with an elliptical orifice (bottom pictures)

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Usc sff process

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3d ceramic parts

3D ceramic parts

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Ceramic and plastic parts

Ceramic and Plastic parts

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Application in building construction

Application in building construction

Cavities made with CC and filled with concrete.

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Imbedding reinforcement

Imbedding Reinforcement

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Usc sff process

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Co extrusion of outer and filler materials a 6dof nozzle assembly

Co-extrusion of outer and filler materials A 6DOF Nozzle Assembly

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Nsf 03 nozzle

NSF-03 Nozzle

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Conventional structures

Conventional Structures

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Adobe structures

Adobe structures

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Multiple mobile robotics approach

Multiple mobile robotics approach

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Cc sass method

CC – Sass Method

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It issues

IT issues

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Lunar construction from earth to moon

Lunar construction – From Earth to Moon

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Deployable cc

Deployable CC

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Usc sff process

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Nasa trials

NASA Trials

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Nozzle for corrugated internal structure

Nozzle for corrugated internal structure

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