Stereolithography (SLA)

3D Printing Serivce

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What is stereolithography (SLA)

Stereolithography 3D printing is a highly recommended technology for making custom parts in prototype and production settings, often acting as a stand-in for injection-molded plastic parts. Stereolithography is an additive manufacturing process that focuses an ultraviolet (UV) light on a vat of photopolymer resin. It offers higher resolution printing than many other 3D printing technologies, allowing customers to print parts with fine details and surface finishes.

how does SLA works?

The SLA 3D Printers begin drawing the layers of the support structures, followed by the object itself, with an ultraviolet laser aimed onto the surface of a liquid photopolymer resin. After a layer is imaged on the resin surface, the build platform shifts down and a recoating bar moves across the platform to apply the next layer of resin. The process is repeated layer by layer until the object is complete.

The finished object is taken out of platform and into a lab where solvents are used to remove any additional resins. When the object is completely clean, the support structures are manually removed. From there, parts will be enhanced again by a UV-curing device. Now, it is ready for any customized surface finishes.

The materials available In SLA 3D Printing Service iN3DTEC

Material Name	Properties	Colors	Surface Finishes	Cost	Tensile Strength (Mpa)	Bending Strength(Mpa)	Young's Modulus(Mpa)	Elongation at break(%)	Charpy impact strength(Kj/m^2)	HDT@0.46Mpa (℃）
Standard Resin	Low-Cost \| Functional \| Smooth	White, Black	Sanding, Polishing, Blasting, Metal Inserts, Painting, Chroming…	$	44	70	2400	11	10.5	55
Tough ABS	Funcitonal, Tough	White, Black, Yellow	Sanding, Polishing, Blasting, Metal Inserts, Painting, Chroming…	$	60-75	75	2500-2675	11	5-8	60
High Details Resin	Prototyping, Functional	Light Yellow, Brown, White, Grey	Sanding, Polishing, Blasting, Metal Inserts, Painting, Chroming…	$$	60	65	2300	8	14	60
High temperature (140C degree)	Heat Resistance, Functional	Translucent Red	Sanding, Polishing, Blasting, Metal Inserts, Painting, Chroming…	$$	43	96	3165	2	6	140
Somos Evolve	Functional, High Stiffness, High Details	White	Sanding, Polishing, Blasting, Metal Inserts, Painting, Chroming…	$$	57	100	2964	11	38	60
Somos Taurus	High Strength, Strong, Durable	Dark Navy	Sanding, Polishing, Blasting, Metal Inserts, Painting, Chroming…	$$$	49	63	2055	17	11.7	91
Cast-able Resin	Metal Casting	Transparent/Translucent	Sanding, Polishing, Blasting	$	51	83	2400	8	13	57
Somos PerForm	250C degree heat resistance, Super Strength	White, Off-white	Sanding, Polishing, Blasting, Metal Inserts, Painting, Chroming…	$$$	80	147	9030	1.5	20	250
Somos Ledo	Functional, Tough, Durable	White	Sanding, Polishing, Blasting, Metal Inserts, Painting, Chroming…	$$	54	90	2450	10	25.8	60
Translucent Resin	Prototyping	Translucent	Sanding, Polishing, Blasting, Metal Inserts, Painting, Chroming…	$$	55	82	2410	5.1	11	47
Transparent	Prototyping	Full Transparent ( Water-clear)	Polished, Painting	$$$	55	82	2410	5.1	11	47