Investment Casting Service Lost Wax Casting Oem Precision Metal Parts

Technical Parameters

Introduction Of Investment Casting

Investment casting, also known as lost-wax casting, is a manufacturing process that produces precise, high-quality metal parts with intricate details. It involves creating a ceramic mold around a wax pattern, which is later melted away to form the mold cavity. Molten metal is then poured into this cavity to produce the final part.

Investment casting is ideal for producing high-precision components with complex geometries and excellent surface finishes. It is especially valuable in applications where quality, durability, and accuracy are critical. While the process may involve higher initial costs compared to other methods, its ability to produce net-shape parts often reduces overall manufacturing expenses.

Main Process Of Investment Casting

1. Pattern Creation:

A wax pattern (or plastic pattern) is made, typically using injection molding. This pattern is an exact replica of the desired part.

2. Assembly:

Multiple wax patterns can be attached to a central wax sprue to form a "tree," which allows for the production of multiple parts simultaneously.

3. Ceramic Shell Formation:

The wax assembly is dipped into a slurry of ceramic material, coated with fine sand, and allowed to dry. This process is repeated several times to build a thick, durable ceramic shell.

4. Wax Removal:

The ceramic-coated assembly is heated to melt and remove the wax, leaving a hollow mold cavity. This step is where the term "lost-wax casting" originates.

5. Metal Pouring:

Molten metal is poured into the preheated ceramic mold, filling the cavity where the wax pattern once was.

6. Cooling and Solidification:

The metal cools and solidifies inside the mold.

7. Shell Removal:

The ceramic shell is broken away to reveal the cast metal parts.

8. Finishing:

The cast parts are cut from the sprue, cleaned, and may undergo additional processes such as machining, polishing, or heat treatment.

Advantages Of Investment Casting

• High Precision: Produces parts with tight tolerances and smooth surface finishes, often requiring little to no post-processing.
• Complex Geometries: Can create intricate shapes, thin walls, and detailed features that are difficult with other casting methods.
• Material Versatility: Compatible with a wide range of metals and alloys, including stainless steel, aluminum, titanium, and cobalt.
• Design Flexibility: Allows for the integration of multiple parts into a single casting, reducing assembly and production costs.
• Durability: Produces parts with excellent mechanical properties, making it suitable for demanding applications.

Common Applications Of Investment Casting

Investment casting is widely used across many industries, including:

• Aerospace: Turbine blades, engine components, and structural parts.
• Automotive: Gearboxes, exhaust system parts, and lightweight components.
• Medical: Surgical instruments and implants.
• Industrial: Valves, pumps, and machinery components.
• Art and Jewelry: Intricate sculptures, jewelry pieces, and decorative items.

FAQ

Q1: Are you trade company or manufacturer?

A1: We are professional manufacturer with over 17 years' experience, we have self-operated factories, welcome to visit our factories.

Q2:Do you offer OEM or ODM business?

A2: Yes. OEM and ODM are our main business.

Q3:What services do your company offer?

A3: One-stop metal/plastic fabrication service. Main processing: cnc machining, die casting, investment casting, sheet metal fabricaiton, injection molding.

Q4: Can you help assembling the parts after it is manufactured?

A4: Yes. Our factory has multiple assembling lines.

Q5: What is the price of our product?

A5: The price is depend on your projects. Typically, our prices are competitive.

Q6: What is the delivery time?

A6: Usually 7~15 working days for sample, 30 working days for mass production.

Q7: Will my drawing or other documents be safe after you get it?

A7: Yes. We can sign confidential aggrement for all your projects

Shenzhen Selection Hardware Technology Co.,Ltd, established in 2013. Our office locates in Shenzhen, Guangdong, and self-operated ISO certified factory locates in Dongguan.

Our company specialized in providing one-stop solutions for high precision hardware structural parts. Main services including Cnc machining, die casting, investment casting and sheet metal fabrication with all kinds of surface treatments, like anodizing, sandblasting, powder coating, electroplating, silk printing, etc. The raw materials we usually process include aluminum, stainless steel, copper, brass, etc.

The factory equipped with professional sales team, R&D team, production lines, assembly lines and QC team. Therefore, we can offer one-stop service including raw material, fabrication, surface finish, assembling, packing and shipping. We offer drawing or sample-based customization, you just need to tell us your ideas, then we will try to make it come true.

Our main inspection equipment includes three dimensional image measuring instrument, quadratic measuring instrument, depth gauge and hardness tester, tensile testing machine, salt spray tester, so we can produce high precision parts. Our products are widely used in multiple fields, like automobile, coffee machine, microphone, medical devices, electronics, etc. We are supplier to multiple famous brands, such as Rode, Nestle, BYD, Walmart, Rolls-Royce. We are fortunate to be their long-term and reliable partner. Our sales team 7/24 online to provide you with professional and fast quotation services. You can consult us at any time if you have any questions. 

Our Concept: provide mid-and high-end customers with one-stop solutions for high precision hardware structural parts

Our Goal: To be the reliable business partner of all the international clients on precision hardware industry.