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UnionTech™ RSPro 600: 3D Printing Technology Forge

Competition is a well-recognized refiner and enhancer of product offerings in terms of cost effectiveness and performance. For nearly 20 years, UnionTech has manufactured and sold stereolithography (SL) equipment in a highly competitive environment defined by multiple direct technology competitors and an entrenched CNC prototyping industry.

The UnionTech™ RSPro 600 is one excellent example of UnionTech’s response to this crucible of intense competition: robust construction incorporating globally sourced components to provide users cost-effective ownership throughout the entire life cycle, remarkable part aesthetics and the freedom to collaborate and innovate with open design for materials and machine access. The RSPro 600 printed parts demonstrate excellent sidewall quality and fine detail, contributing to lower post-finishing requirements.

UnionTech™ RSPro 600: 3D Printing Technology Forge

Photo Caption: UnionTech™ RSPro 600 SL machines have been successfully used for dental applications by Smartee Dental for high volume manufacturing.

600: 3D Printing Technology Forge

Photo Caption: The UnionTech™ RSPro 600 SL machine on display at Rapid & TCT allowed attendees to have an actual hands-on examination of its robust construction, open design (relative to materials and machine control), and range of build platforms, setting the equipment apart from other AM options. Four of the UnionTechTM machines are on display at RP Sales and are available for parts testing. To learn more visit

3D Printing Technology Forge

Photo Caption: UnionTech RSPro 600 platform size will allow two parts of this size (10 in. x 18 in.x 10 in.) to be manufactured at the same time. This large part is one of UnionTech’s current metal clad SL projects demonstrating the bridge between stereolithography polymers and metal additive manufacturing. This part was built in keeping with the “Bridge” theme of the 2017 the Rapid & TCT show.

Key Features of the RSPro 600:

-Large build platform, 600 mm x 600mm x 500 mm enables multiple small part production as well as large parts

-Closed-loop controlled recoating system mounted on a substantial granite rim for enhanced stability

-Layer thicknesses as low as 0.05 mm (0.002 in) layer thickness for excellent surface quality with scanning speeds up to 12 m/s

-Key components sourced from top international brands— Spectra-Physics, SCANLAB, and Panasoni

-Part build preparation software by Materialise

-Full freedom of choice in materials: equipment uses any 355 nm SL photopolymer material

-Three levels of access (Operator, Engineer, and Expert) controlled by user

Union Tech Inc.

Established in 2000, the UnionTechTM brand of photopolymer 3D printing equipment is the domestic China market leader in stereolithography. In 2016, the formation of Union Tech, Inc., in St. Charles, Illinois, a fully owned subsidiary of Shanghai Union Technology Corporation, marked our expansion into North America. International distributorships and agents have also been established throughout Europe and Russia. RP Sales America is the US distributor for Union Tech Inc. equipment.

For more information about the UnionTechTM equipment available in the United States:

RP Sales America, Inc.

Based in New Sharon, Iowa, RPSA distributes the Union Tech Inc. RSPro line of stereolithography equipment and is pleased to provide demonstrations. RP Sales America, Inc., through its sister company, RP Support America, Inc., ensures technical support and service of the UnionTech™ RSPro SL product line. To learn more, email, call 641-651-0266 or visit

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