Applications

Creating Investment Casting Patterns with SLA 3D Printing

Creating Investment Casting Patterns with SLA 3D Printing
UnionTech's industrial SLA 3D printers revolutionize investment casting by delivering precise, complex patterns more efficiently than traditional methods. These advanced 3D printed patterns significantly reduce turnaround time and enhance detail, setting a new standard in casting technology.

Investment Casting with SLA 3D-Printed Patterns

How does it work?

Discover how UnionTech's SLA 3D printers transform the traditional investment casting process. This guide outlines the sophisticated journey from 3D printed patterns to finished metal parts, highlighting the efficiencies and superior detail achieved with advanced technology.

Investment Casting with UnionTech in 12 Steps

Step 1

3D Printing

Precision 3D printing with UnionTech SLA printers creates detailed patterns for investment casting.

Step 2

Post-Curing

Post-curing enhances the mechanical properties and stability of the 3D printed patterns.

Step 3

Wax Tree

Assemble the printed patterns into a wax tree to prepare multiple casts simultaneously.

Step 4

Molding

Encase the wax tree in a heat-resistant mold, ready for the casting material.

Step 5

Ceramic Slurry

Coat the mold with layers of ceramic slurry to form a hard shell around the wax pattern.

Step 6

Dewaxing

Melt and remove the wax, leaving a hollow cavity in the ceramic shell.

Step 7

Shell Removal

Break away the ceramic shell to reveal the metal casting after cooling.

Step 8

Ash Cleaning

Clean out any residual ash or debris from the hollowed-out cast.

Step 9

Casting

Pour molten metal into the hollow cavity, forming the final metal part.

Step 10

Deshelling

Remove the cast metal from the ceramic shell to reveal the rough metal component.

Step 11

Post-Processing

Refine the cast parts through techniques like cutting, polishing, sandblasting, and machining.

Step 12

Finished Parts

Inspect and assemble the final parts, showcasing precision and quality from UnionTech's SLA technology.

Same-Day Pattern Making

Go from CAD data to final part without molding or wax injection.

10 different models for investment casting patterns can be 3D printed with UnionTech Lite600 2.0, all ready for casting, in the same day. The part size is 252.32 x 252.32 x 71.04 mm. Polydevs software was used for data preparation.

Same-Day Pattern Making

Go from CAD data to final part without molding or wax injection.

10 different models for investment casting patterns can be 3D printed with UnionTech Lite600 2.0, all ready for casting, in the same day. The part size is 252.32 x 252.32 x 71.04 mm. Polydevs software was used for data preparation.

Advantages

Why choose SLA 3D printing?

SLA 3D printing stands at the forefront of manufacturing innovation, offering distinct advantages over traditional investment casting methods.

Shorter Production Times

Creating patterns directly without tooling, SLA 3D printing accelerates production over traditional methods.

Large, Complex Parts

SLA 3D printing enables highly complex and intricate geometries that traditional methods can't produce.

Exceptional Surface Quality

SLA 3D printing achieves exceptional surface quality and accuracy (±0.025 and above), reducing post-processing times.

Reduced Costs for Customization

Each print can be uniquely tailored to specific requirements without significant additional cost or time, allowing for mass customization.

Make investment casting patterns in days instead of weeks.

SLA 3D Printing

1-2 Days

Rubber/Silicone Molds

7-10 Days

CNC-Machined Molds

2-3 Weeks

UnionTech 3D Printers

Got questions?

UnionTech enables cost-effective and rapid manufacturing of investment casting patterns using materials like Somos® WaterShed XC 11122 and Crysta-EB, providing businesses with a competitive advantage. Want to learn more about this application? Contact us today.

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