Steel investment casting, also known as lost-wax casting, is one of the most effective methods for manufacturing complex, high-performance metal components.
Businesses often choose this method because it’s meticulous and produces durable metal parts for a range of applications.
At the same time, it’s quite cost-effective, as it reduces material waste and requires minimal finishing.
No wonder this process is the go-to solution for businesses requiring final net or near-net-shape components.
Here’s what else you need to know about it.
Steel investment casting is a metal manufacturing process that makes metal parts with very accurate and consistent dimensions.
This metal manufacturing process uses wax, disposable ceramic materials, together with molten steel or a steel alloy.
As such, it achieves levels of detail and surface smoothness that are hard to get with other casting methods.
Here’s what the process of steel investment casting at Bunty LLC looks like:
| Creating Wax Patterns | Bunty engineers create a wax replica of the final product, which we make through high-pressure injection into a metal die |
| Assembling | We assemble and attach the wax patterns to a central wax “tree” or sprue. This helps us to cast multiple parts at once |
| Building the shell (The investment) | The tree is dipped into a slurry of ceramic coated with fine sand. This process is repeated as many times as needed to get a thick, hard ceramic shell that can hold molten metal |
| Dewaxing | We place the shell in an autoclave to melt the wax and drain it. This leaves a hollow cavity with precise measurements as the metal component is being made |
| Pouring | Molten steel or steel alloy is poured into the ceramic shell and left to cool and solidify into the desired shape |
| Ceramic shading | The shell is vibrated or blasted away to reveal the solid metal, which may undergo minimal finishing or be left as is, depending on the needs of the customer |
Steel investment casting unlocks various benefits.
It usually achieves intricate geometries, producing internal passageways and thin walls down to 0.375 inches or less.
That is not possible with other processes, such as sand casting.
This process provides superior surface finishes that often eliminate the need for secondary grinding or post-processing.
Not to mention that steel investment casting reduces production costs by 30% to 50% compared to other manufacturing options.
Part of these cost savings comes from the fact that this method typically produces highly accurate dimensions, eliminating the need for additional shaping or finishing of the metal component.
Steel investment casting is widely used to create complex, high-precision, and durable components for demanding use cases.
That’s why it’s used in industries such as:
Because steel investment casting supports high-performance machinery, it is important in many aerospace and defence applications.
This manufacturing process is used to make components like turbine blades, fuel system parts, and missile hardware.
Medical equipment like surgical tools, orthopedic implants, and dental devices that must be biocompatible and have precise dimensions should be manufactured correctly.
One of the best methods we recommend to our customers is steel investment casting.
When it comes to producing durable vehicle metal components, steel investment casting produces some of the best results.
This method is used to make high-stress components such as engine valves, turbochargers, and transmission parts.
With steel investment casting, these industries get metal parts that are resistant to corrosion and high pressure.
Think pumps, valves, drilling components, and so on.
Metal manufacturing requires a partner who understands technical solutions as well as the logistical needs of modern businesses.
Bunty is one such example, and here are the reasons:
Bunty has two offices: one in the USA and the other in Asia. We leverage local expertise from these locations to serve our customers around the world.
Because of our presence in multiple locations and streamlined logistics, we are able to offer quick turnaround times for our clients.
This also makes our production affordable, faster, and communication timely for all our partners in business.
For more than two decades, Bunty has successfully been serving a range of industries, including automotive, aerospace, energy and power generation, manufacturing, construction, and more.
This has been possible because we have developed our talent and invested in high-end technology to provide specialized solutions for each of the industries we serve.
We are not just able to produce orders in bulk; we also do our job well to produce components that fit their application perfectly.
The main focus of our manufacturing is for every component we produce to be reliable and compliant to specific industry regulations.
Bunty LLC is AS9100D, ISO 9001:2015, and CVMSDC certified, which qualifies us to handle international projects for industries like aerospace and defence.
To meet these standards, each casting undergoes rigorous inspection for every customer to get the perfect dimension, material composition, and integrity.
For example, we have worked on stainless steel parts for food processing and passed the FDA standards of production.
Overall, steel investment casting is one of the most effective ways to make durable parts with complex designs.
This metal manufacturing method allows businesses to innovate and create parts that overcome limitations that of traditional manufacturing.
The key to having a successful project is in selecting a reliable partner who is able to produce quality components for your needs.
Bunty LLC is the contact you need as we have the talented engineers and state-of-the-art technology for steel investment casting.
Contact BUNTY Today
Ready to streamline your production? Contact us at Bunty LLC today for our investment casting services.