Tag: Wax Casting

July 10, 2024
When is lost wax casting used?

Lost wax casting is a common metal casting process, and this article allows you to learn more about its applications and utilize it in your business.

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July 9, 2024
Lost wax casting background and practical significance

Understanding the background and practical significance of lost wax casting can better utilize modern 3D printing technology to enhance efficiency.

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July 4, 2024
Introduction to the theoretical basis of the lost wax casting process

An article comprehensive introduction to the theoretical basis of lost wax casting (also called investment casting), read it and you become a master.

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July 4, 2024
Lost wax casting: process, applications and future

Delve into the mysteries of lost wax casting! Discover how this ancient and masterful casting technique plays a key role in modern art, jewelry making and industry.

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Learn More Wax Casting

Wax casting, also known as lost wax casting or investment casting, is a precise metal-forming technique that has been used for thousands of years. It’s an excellent method for creating detailed and complex metal parts. Here’s an overview of the wax casting process:

Pattern Creation:

Traditionally, a wax pattern is hand-carved or molded.
Modern methods often use wax 3D printer to create wax patterns, allowing for more complex designs and faster production.

Tree Assembly:

Multiple wax patterns are attached to a central wax sprue, forming a tree-like structure.
This allows for multiple parts to be cast simultaneously.

Investment:

The wax tree is dipped into a ceramic slurry, then coated with fine sand or stucco.
This process is repeated several times to build up a thick, heat-resistant shell.

Dewaxing:

The invested mold is placed in a furnace or autoclave.
The wax melts and runs out, leaving a hollow ceramic shell.

Burnout:

The mold is fired at high temperatures to remove any remaining wax and harden the ceramic.

Casting:

Molten metal is poured into the hot mold, filling the cavities left by the melted wax.
Cooling and Breaking:
Once the metal has cooled and solidified, the ceramic shell is broken away.

Finishing:

The cast parts are cut from the sprue and finished as needed (polishing, machining, etc.).

Advantages of wax casting:

  • High precision and fine detail reproduction
  • Ability to cast complex shapes, including internal cavities
  • Suitable for a wide range of metals and alloys
  • Excellent surface finish, often requiring minimal post-casting work

The integration of 3D printing in wax pattern creation has revolutionized the process, allowing for even more intricate designs and faster prototyping. This combination of ancient technique and modern technology makes wax casting a versatile and powerful method in contemporary manufacturing.

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Longyuan AFS Co., Ltd. is a leading provider of 3D printing equipment and manufacturing services in China, providing high-quality R&D pilot production and rapid manufacturing services for small-lot, multi-species and complex structure metal products based on the integrated technology of "3D printing, casting, machining and inspection".

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