Stereolithography (SLA/DLP)

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Stereolithography (SLA/DLP)

Make your show-and-tell prototype with extremely high-resolution in as fast as 1 day!

SLA printing service starting at only $25!

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Overview: How SLA/DLP 3D printing works?

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The Basics Of SLA/DLP 3D Printing

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SLA (stereolithography) is the first of the additive manufacturing processes collectively known as “3D printing”.

Stereolithography(SLA) or Digital Light Processing(DLP) 3D Printing is a laser-based technology that uses a UV-sensitive liquid resin. A UV laser beam(UV projector light in DLP) scans the surface of the resin and selectively hardens the material corresponding to a cross-section of the product, building the 3D part from the bottom to the top.

Stereolithography requires support structures for overhangs, which are built in the same material. The required supports for overhangs and cavities are automatically generated, and later manually removed.

Benefits Of SLA

The SLA technology can achieve very good accuracy, surface finishes and details. Machines with large build volume enable large parts. In FacFox, our largest printing volume in one-piece is 1700 x 800 x 600 mm. Furthermore, there is a wide range of photopolymer materials available which can build parts with different characteristics. Certain SLA materials can mirror the characteristics of engineering plastics over a short period of time, there are also rubber-like resin and clear resin that can be used for aesthetic and validation purposes.

SLA is one of the most cost-saving techonology in rapid prototyping, it’s much less expensive compared to other 3D printing or conventional counterparts, requiring no hard tooling as with plastic injection molding.

Benefits Of SLA With FacFox

Our SLA services allow you to make 3D printed parts and prototypes in a wide range of plastics. Prototypes made using this service can be used for engineering testing or as master patterns for urethane casting molds. SLA allows the product designer to quickly create complex shapes that cannot be made with conventional subtractive methods. You can also have metal 3D printed parts made using our DMLS 3D printing service.

DLP vs SLA

[one_half][su_icon_panel border=”1px solid #dcdcdc” shadow=”none” radius=”4″ icon=”https://oss.makeii.com/image/DMLS.svg” icon_size=”50″ url=”/docs/sla-dlp-comparison”]DLP[/su_icon_panel][/one_half] [one_half_last][su_icon_panel border=”1px solid #dcdcdc” shadow=”none” radius=”4″ icon=”https://oss.makeii.com/image/SLM.svg” icon_size=”50″ url=”/docs/sla-dlp-comparison”]SLA[/su_icon_panel][/one_half_last] [/spb_text_block] [blank_spacer height=”5px” spacer_id=”features” width=”1/1″ el_position=”first last”] [spb_text_block pb_margin_bottom=”no” pb_border_bottom=”no” width=”1/1″ el_position=”first last”]

Features of SLA

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Advantages

[one_half][su_service title=”Surface & Detail” icon=”icon: thumbs-o-up” icon_color=”#1abc9c” size=”48″]SLA has tolerances of  +/-.004” per inch, and resin surface is ideal for post-processing like polishing and painting.[/su_service]

[su_service title=”Geometry” icon=”icon: thumbs-o-up” icon_color=”#1abc9c” size=”48″]SLA allows to integrate multiple components as well as thin-walled objects and intricate geometries that traditional method won’t be capable of.[/su_service]

[su_service title=”Material Selection” icon=”icon: thumbs-o-up” icon_color=”#1abc9c” size=”48″]There’re various material with special properties like toughness, heat resistance, flexibility, which simulates the end products.[/su_service][/one_half][one_half_last]

[su_service title=”Cose Saving” icon=”icon: thumbs-o-up” icon_color=”#1abc9c” size=”48″]SLA is one of the cheapest method for rapid prototyping while preserving a good surface quality and accuracy.[/su_service]

[su_service title=”Turnaround” icon=”icon: thumbs-o-up” icon_color=”#1abc9c” size=”48″]SLA 3D printed parts do not require tooling which reduces the manufacturing lead time from weeks to days, allowing for faster innovation and speed to market.[/su_service]

[su_service title=”Scalable Volume” icon=”icon: thumbs-o-up” icon_color=”#1abc9c” size=”48″]Multiple, identical parts can be built on a single platform at one time, greatly increasing production efficiency.[/su_service]

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Drawbacks

[one_half][su_service title=”Durability” icon=”icon: thumbs-o-down” icon_color=”#f72e38″ size=”48″]Photopolymers are not stable over time and most resins don’t have balanced impact/heat resistance.[/su_service][/one_half][one_half_last][su_service title=”Scale Effect” icon=”icon: thumbs-o-down” icon_color=”#f72e38″ size=”48″]The unit cost and lead time will not be reduced as much as casted or molded parts.[/su_service][/one_half_last] [/spb_text_block] [blank_spacer height=”5px” spacer_id=”processes” width=”1/1″ el_position=”first last”] [spb_row wrap_type=”full-width” row_bg_type=”image” row_bg_color=”#005580″ color_row_height=”content-height” bg_image=”54413″ bg_type=”cover” parallax_image_height=”content-height” parallax_image_movement=”fixed” parallax_image_speed=”0.5″ parallax_video_height=”content-height” parallax_video_overlay=”color” row_overlay_opacity=”65″ row_padding_vertical=”30″ row_padding_horizontal=”10″ row_margin_vertical=”0″ remove_element_spacing=”no” inner_column_height=”col-natural” width=”1/1″ el_position=”first last”] [spb_text_block pb_margin_bottom=”no” pb_border_bottom=”no” width=”1/1″ el_position=”first last”]

SLA Processes

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Printers & Parameters

– Printers: KINGS 1700

– Maximal build volume: 1700 x 800 x 600 mm

– Minimum feature size: 0.05 mm

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Restrictions

– Minimum layer thickness: 0.02 mm

– Typical surface finish: 3 – 10 microns RA

– Accuracy: (+/- 0.1-0.2%)

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Pre-build planning

Important decision on design is the orientation and support structures. This depends on:

– Geometry: Optimize it to reduce supports and layer lines.

– Areas that need great smoothness or post-processing

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Available Materials

[hr] [/spb_text_block] [spb_tabs width=”1/1″ el_position=”first last”] [spb_tab title=”Plastics” icon=”” id=”plastics”] [spb_text_block pb_margin_bottom=”no” pb_border_bottom=”no” width=”1/1″ el_position=”first last”]

[su_row][su_column size=”1/3″][su_photo_panel radius=”4″ photo=”https://oss.makeii.com/wp-content/uploads/orderfile/7e38ba7731a19dd489bc64977595aeff/441845324762588491.jpg” url=”/materials/list/entry/1420/”]SLA Generic Resin[/su_photo_panel][/su_column][su_column size=”1/3″][su_photo_panel radius=”4″ photo=”https://file.makeii.com/0c80ba462398479c7a7a2b01fe381910/9236449996_135352309.jpg” url=”/materials/list/entry/1426/”]SLA Tough Resin[/su_photo_panel][/su_column][su_column size=”1/3″][su_photo_panel radius=”4″ photo=”https://oss.makeii.com/wp-content/uploads/orderfile/0c80ba462398479c7a7a2b01fe381910/5sk4.jpg” url=”/materials/list/entry/19527/”]SLA ABS-like Resin (SLA-R)[/su_photo_panel][/su_column][/su_row]

[su_row][su_column size=”1/3″][su_photo_panel radius=”4″ photo=”https://file.makeii.com/0c80ba462398479c7a7a2b01fe381910/SLA-frosted-clear.jpg” url=”/materials/list/entry/5719/”]SLA Translucent Resin[/su_photo_panel][/su_column][su_column size=”1/3″][su_photo_panel radius=”4″ photo=”https://file.makeii.com/0c80ba462398479c7a7a2b01fe381910/10181019532_703051810.jpg” url=”/materials/list/entry/5718/”]SLA Transparent Resin[/su_photo_panel][/su_column][su_column size=”1/3″][su_photo_panel radius=”4″ photo=”https://oss.makeii.com/wp-content/uploads/orderfile/0c80ba462398479c7a7a2b01fe381910/IMG_7745.JPG” url=”/materials/list/entry/19874/”]SLA PP-like Resin (Somos 128)[/su_photo_panel][/su_column][/su_row]

[su_row][su_column size=”1/3″][su_photo_panel radius=”4″ photo=”https://oss.makeii.com/wp-content/uploads/orderfile/7e38ba7731a19dd489bc64977595aeff/3d-systems-accura-abs-black-sl7820-sla-hero_1%20%281%29.png” url=”/materials/list/entry/1986/”]SLA Black Resin(Taurus)[/su_photo_panel][/su_column][su_column size=”1/3″][su_photo_panel radius=”4″ photo=”https://oss.makeii.com/wp-content/uploads/orderfile/7e38ba7731a19dd489bc64977595aeff/RC90-Wheel-Penny-1024×779.jpg” url=”/materials/list/entry/1452/”]Detailed Cast Resin(RC31)[/su_photo_panel][/su_column][su_column size=”1/3″][su_photo_panel radius=”4″ photo=”https://oss.makeii.com/wp-content/uploads/orderfile/0c80ba462398479c7a7a2b01fe381910/Accura-Clearvue.png” url=”/materials/list/entry/21320/”]SLA Bio Clear(Accura ClearVue)[/su_photo_panel][/su_column][/su_row]

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Available Finishes

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The finish option with the quickest turnaround. Which normally includes:

  • Removal of build envelope: The build envelope is removed from the machine
  • Remove support: Supports are broken out of the main body. Afterwards the main part is grinded by sand blasting. This is usually straight forward, however might require some extra effort for parts with complex geometric features.
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[/spb_text_block] [/spb_tab] [spb_tab title=”Other” icon=”” id=”other”] [spb_text_block pb_margin_bottom=”no” pb_border_bottom=”no” width=”1/1″ el_position=”first last”]
  • Media Polishing
  • Painting
  • Vacuum Plating
  • Nano-painting
  • UV Coating
  • Don’t see the finish you need? Submit an RFQ with ‘Suggest’ option, we’ll look into a finishing process for you.
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SLA Applications

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Prototypes

With SLA, the prototype can be made using nylon material with great functionality. Fast turnaround makes it a good choice for functional prototyping.

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Customized Products

The speed and versatility of SLA let variable production of customized gifts/samples for different users become possible.[/one_third]

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Batched Products

SLA can be applied to make high-quality small batched products from 1-10,000 units, ideal for small businesses that wishes to test the market’s reaction to thier newly developed products.

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Industries with SLA

[hr] [one_third][su_icon_panel icon_size=”48″ border=”none” shadow=”none” url=”/case/aerospace” icon=”https://oss.makeii.com/image/satellite-1.svg” icon_color=”#ffe875″]Aerospace[/su_icon_panel][/one_third] [one_third][su_icon_panel icon_size=”48″ border=”none” shadow=”none” url=”/case/automotive” icon=”https://oss.makeii.com/image/car.svg” icon_color=”#ffe875″]Automotive[/su_icon_panel][/one_third] [one_third_last][su_icon_panel icon_size=”48″ border=”none” shadow=”none” url=”/case/consumer” icon=”https://oss.makeii.com/image/speakers.svg” icon_color=”#ffe875″]Consumer Goods[/su_icon_panel][/one_third_last] [one_third][su_icon_panel icon_size=”48″ border=”none” shadow=”none” url=”/case/bio” icon=”https://oss.makeii.com/image/microscope.svg” icon_color=”#ffe875″]Bio & Health[/su_icon_panel][/one_third] [one_third][su_icon_panel icon_size=”48″ border=”none” shadow=”none” url=”/case/art” icon=”https://oss.makeii.com/image/creative-idea.svg” icon_color=”#ffe875″ size=”48″]Art & Creative[/su_icon_panel][/one_third] [one_third_last][su_icon_panel icon_size=”48″ border=”none” shadow=”none” url=”/case/architect” icon=”https://oss.makeii.com/image/hook.svg” icon_color=”#ffe875″]Architechture[/su_icon_panel][/one_third_last] [one_third][su_icon_panel icon_size=”48″ border=”none” shadow=”none” url=”/case/entertainment” icon=”https://oss.makeii.com/image/jigsaw.svg” icon_color=”#ffe875″]Entertainments[/su_icon_panel][/one_third] [one_third][su_icon_panel icon_size=”48″ border=”none” shadow=”none” url=”/case/electronic” icon=”https://oss.makeii.com/image/artificial-intelligence.svg” icon_color=”#ffe875″]Electronics[/su_icon_panel][/one_third] [one_third_last][su_icon_panel icon_size=”48″ border=”none” shadow=”none” url=”/case/edu” icon=”https://oss.makeii.com/image/mortarboard.svg” icon_color=”#ffe875″]Education[/su_icon_panel][/one_third_last] [/spb_text_block] [blank_spacer height=”25px” spacer_id=”resources” width=”1/1″ el_position=”first last”] [spb_text_block pb_margin_bottom=”no” pb_border_bottom=”no” width=”1/1″ el_position=”first last”]

Resources for SLA

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