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Do You Know About Lost-Wax Casting?

Lost-wax castings are commonly known as precision castings or investment castings. It is a procedure of designing and building an object with the use of a variety of metals. From simple to complex objects, lost-wax casting use metals like bronze, brass, silver, or gold to create an original pattern or model.

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The Lost-Wax Casting Process

A Little Bit of History

Investment castings are known to be the oldest metal-forming procedure that dates back in 4000 BC. Even though it is the oldest known technique, innovations and technique evolutions made it possible to offer exceptional metalwork. Likewise, it is extensively used to produce objects for art, dentistry, and jewelry. 

Making the Mold

The investment castings process starts with carving a mold out of wax. To get exceptional metalwork, you need to look for a casting industry that can handle your design’s size and complexity. The experts’ skill and the equipment used should be in line with what you want your finished product to be.

Upon making and casting the mold, it will be intensively polished to comply with the exact measurements and dimensions. It is then used to create another wax mold that will be heated and transformed to create a more flexible mold. 

Assembling the Wax Pattern

To guarantee product quality, investment castings use different methods such as coordinate measuring, ultrasonic, and dye penetrant. These methods will be used according to where the metal components will be used. Dye penetrant testing is a nondestructive method, and it includes cleaning the surface of a product, then applying a colored penetrant or dye. The wax pattern will primarily depend on which way will be used.

Finishing the Metalwork

The casted components are sandblasted, machined, ground, or files to attain the desired surface finish and final geometry. If necessary, the cast components are likewise heat-treated to improve the mechanical properties of the metalwork.

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If you want to know more about the products designed through investment castings, contact our experts at Ferralloy Inc. today!

How the Investment Casting Process Works

To produce many specific metal components, the metal undergoes certain processes to achieve the shape and quality. For products like investment castings components, it needs to undergo a rigorous process called machining. This process is very complicated and crucial to the quality of the metalwork. You also need to remember that there are various tools and techniques within machining specific to the component and its purpose. 

Depending on what the investment casting component will ultimately be used for, the rigid and complex process it undergoes may still vary. To find out more about how the investment casting process works, below are the applications and types used. 

Machined Investment Casting Applications

Investment castings are essentially used in power generation and aerospace industries to produce a variety of components. The process in investment casting includes the operation of machining the metal after it has been manufactured. This is to have it made and delivered to the company’s exact specifications. In the power generation and aerospace industries, it is imperative to guarantee that any accurate measurement is achieved in machined investment casting. 

Types of Machining

The tools, techniques, and technology involved in machining vary between different tools used for cutting. There are times where machined investment casting needs a specific texture or an exact measurement. Likewise, in each case, an additional device is utilized. A few of the different machining operations types include turning, drilling, boring, reaming, and milling. 

A single edge cutting tool is used to eliminate excess material from a rotating component to produce a cylindrical shape when it comes to the turning process. As for the drilling process, a round hole is being created. A single bent tip is used to advance the precision of an already roughly made hole. 

The reaming process involves the removal of a small amount of excess metal from an already drilled hole. Lastly, milling is a rotating tool with several cutting edges utilized to create a straight surface.

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Ferralloy Inc. has the experience and authority to offer this service and product to you. As an industry leader, Ferralloy, Inc is equipped and experienced in delivering high-quality metal components at competitive prices. Contact our metal component manufacturing company today!

Tips When Looking for a Forging Manufacturer

Over the years, the forging industry has massively evolved. The use of different techniques and processes in forgings gave rise to various applications in construction, agriculture, automotive, machinery, and so much more. Below are the tips you may want to consider in looking for a forging supplier or manufacturer.

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Guide in Choosing a Forging Manufacturer or Supplier

Know Which Type You Want

Forgings have two most popular forms. These are open die forging and closed die forging. Although both originated in the fundamental forging process that involves beating a piece of metal until the desired shape, strength, and granular level is achieved, these two processes have differences.

Choosing a Company That Delivers On-Time

Did you know that your success as a company depends on the complex relationships that make up your supply chain? Be sure that your supplier supports your success and delivers on-time, all the time. A delay in the delivery will make things complicated and may even compromise your production.

Fact Check of the Company’s History and Reputation

Sellers and manufacturers aren’t hard to find. Some companies focus on low-cost and low-quality solutions. Hence, you can immediately spot them as their products fail to stand the test of time. 

Thus, it’s essential to look for a reputable supplier with a proven history of producing forgings that offer high quality and durability. Your reputation in the industry is at stake if you fail to choose companies that provide quality forgings.

Look for Any Certification

The supplier or manufacturer you chose to provide you with forgings must adhere to industry standards and specifications. In this way, produce durable and resilient forgings that can withstand extreme temperature, pressure, or adverse weather conditions.  

Certified suppliers and manufacturers maintain data-driven systems that are continuously audited. Aside from the fact that they quickly address quality issues by creating quality improvement plans, they also conduct subsequent reviews to monitor and evaluate these plans’ effectiveness.

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Having achieved ISO 9001 certification in both locations, we are a quality-driven organization committed to process improvement and customer satisfaction. Contact us today!

Precision of the Lost Wax Casting Process

A casting investment is often resorted to because it can produce metal components with near-net shape, thin walls, precise shape into external or internal features, exceptional surface finish, and can produce fine details.

This normally results in highly satisfactory customer cost savings in machining, labor, and materials. One of the processes often used to get an accurate casting is the lost wax casting. Read on to know more.

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How Precise is the Lost Wax Casting Investment Process?

What is the Lost Wax Process?

In lost wax casting investment, a specific and general wax pattern of the preferred finished part is produced and mounted onto a wax tree. This first process involves the use of the metal delivery system. The wax tree is interchangeably plunged into a ceramic substance and topped with a stucco material. After this, it is left to dry out, and the process is repeated until a thick shell is achieved.

Once the shell is achieved, it is then melted out, creating a cavity in the form of the preferred pattern. The molten metal is then poured in such an area until it is filled. After the molten metal solidifies, the thick shell is fragmented, and the gating material is detached. The remaining parts are the finished product.

What are the Characteristics of the Lost Wax Process?

The distinctive characteristics of the lost wax casting investment are accurate tolerances and low roughness values. Moreover, considerable autonomy exists in both material choice and product design.

Accurate castings are usually applied in areas where high-quality metal components are demanded. For example, finished products brought by the lost wax process are often used in areas with substantial temperature differences and hostile or aggressive environments. Additionally, because of high and specific demands, unique and rare alloys are commonly used for these castings.

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Specializing in Lost Wax Casting Investment

To get the most out of your purchase or investment, you must use the services of companies that specialize in the lost wax process. On the other hand, you can simply seek companies that will do the job of looking for specialized companies that produce high-quality and high precision metal finishes. At Ferralloy Inc., we guarantee that only the best products are provided and offered for you to choose from. Contact us today!

How Accurate is Investment Casting?

Investment casting is one of the first and most common types of metal components. The procedure to create these components involves pouring molten metal into a ceramic mold. The metal solidifies within the mold, and then the metal casting is broken out. Industries that focus on food equipment, railroad, heat treating, steel production and processing, coal mining, road construction, oil, aerospace, aircraft, and other countless industries discovered the benefits of this type of casting.

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Accuracy of Investment Casting

Near Net Shape

Investment casting is extremely accurate and near net shape. Since metal components are created by using the same wax pattern, this accuracy can be maintained from casting to casting. Additionally, this process uses stainless steel, aluminum alloy, titanium alloy, or superalloy to create and yield precise metal components that can withstand high and low temperatures.

Additionally, near net shape manufacturing is an ideal solution for those wanting to save money as much as possible. This is because near-net-shape manufacturing does not require finishing steps. So, when you do not need any time for machining done, you can save on production costs.

Intricate Design

When using investment casting, engineers can design and create a lot to customize your product. Logos, product ID’s or numbers, letters, thru-holes, slots, blind holes, external and internal splines, gears, and thread profiles are just some of the intricacies that can be done.

Guarantees Product Quality

To ensure product quality, investment casting uses different methods such as coordinate measuring, ultrasonic, and dye penetrant. These methods will be used according to where the metal components will be used. Dye penetrant testing is a nondestructive method, and it includes cleaning the surface of a product, then applying a colored penetrant, or dye.

Ultrasonic testing is also nondestructive testing that works by sending high-frequency wavelengths through an object to detect cracks and other possible flaws. Lastly, coordinate measuring uses a probing system in the machine, and data collection allows for precision, which results in durability.

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Where to Look for Investment Casting

It is important to ensure that any exact measurements are achieved in machined investment casting. At Ferralloy Inc., we have the experience and authority to provide this service and product to you. Contact us today!

A Simple Guide to the Uses of Investment Casting

Investment casting is one of the most prevalent metal parts used by most industrial companies. These cast components embrace countless benefits that make them an alluring alternative to a wide range of businesses and industries. Investment casting provides the ultimate design flexibility for highly complex parts made from a large choice of alloys. Furthermore, the investment casting process is relatively simple, allowing high production rates and consistent dimensional accuracy to be achieved.

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Simple Facts Should Know About Investment Casting

What is Investment Casting?

Investment casting, otherwise known as lost-wax casting, is an industrial process based on one of the oldest known metal-forming techniques. It was developed over 5500 years ago and continues to be an integral part of metalworking to this day. This casting takes a wax outline of a part and coats it with a ceramic material. It is then heated until the wax is melted out of its center. Molten metal is then poured into the hollow ceramic mold. The metal hardens, gets broken out, and the part is made.

What are its Common Uses?

The uses of investment castings are immeasurable. Nonetheless, companies or industries engage in aerospace, power generation, firearm, automotive, military, commercial, food service, gas and oil, and energy industries use these metal components a lot. For instance, the firearms industry turns to cast parts for firearm receivers, triggers, hammers, and other precision parts. Investment castings are even used by beverage industry equipment manufacturers and international pressure relief valve manufacturers in the oil and gas industry. As a consequence, it’s safe to say that regardless of your industry, if your business can benefit from the advantages of investment cast parts and components, they might be the perfect metal option for any of your projects.

Why Use Investment Casting?

There are several explanations for why individuals choose to use this casting. Among the reasons why companies and industries use castings are the following:

  • It produces very smooth surfaces with no parting line, requiring only minor machining.
  • It can create exceptionally complex parts that would otherwise be extremely difficult or impossible.

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Why is Stainless Steel Used in Investment Casting?

Stainless steel casting is among the few methods of the investment castings process. It is made by pouring molten stainless steel into a molder to solidify and achieve a solid and compact stainless steel material in the desired pattern. Same with other steel cast alloys, this material is a common component for casting production. When corrosion resistance and the properties of steel are needed in a certain product, stainless steel casting is the perfect option.

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Nitty-Gritty Facts About Stainless Steel Casting

Common Material Grades Used

Among the several stainless steel material grades used, the common ones are the 304, 304L, 316, 316L, 17-4 PH, and 2205 Duplex. 304 is the most extensively used austenite steel. It is commonly referred to as A2 stainless steel. Experts on investment castings also use 304L when slightly lower mechanical components are required. It is widely used by companies because of their versatility.

Application of Stainless Steel Castings

The reason why experts on investment castings use stainless steel is because of its unique physical properties. It is exceptionally resistant to corrosion, abrasion, and heat. Hence, it can be used in various ranges of industries, especially those which require materials that can withstand the severe environment. Stainless steel is used in building or construction purposes, pipe fitting, medical equipment, marine, kitchenware, and food machinery or processing.

According to investment castings professionals, stainless steel is one of the common materials used in building and construction. Modern construction uses more stainless steel when it comes to facades, roofing, and cladding. The reason for this is that it is known to have anti-vandal characteristics, low maintenance cost, and beautifully aesthetic.

As for stainless steel used in pipe fittings, it comes in various shapes and sizes. As conferred by investment castings professionals, stainless steel is used in this industry because it tends to be very convenient despite being durable and stable.

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If you want to know more about the applications of stainless steel castings, contact us today!

Uses and Benefits of Investment Castings

Every individual who is in the field of metalwork is mindful of the fact that several casting methods can be used to turn molten metals into different shapes and designs for commercial and industrial purposes. The uses and benefits of investment casting are limitless. Read on to know more.

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Essential Facts you Need to Know about Investment Castings

Investment Casting Uses

As stated earlier, investment casting has limitless benefits and uses. However, it is often used as metal components for energy, gas and oil, food service, commercial, military, automotive, firearm, power generation, and aerospace industries. For instance, the firearms industry turns to cast parts for firearm receivers, triggers, hammers, and other precision parts. Investment casting is even used by beverage industry equipment manufacturers and international pressure relief valve manufacturers in the oil and gas industry. As a result, it’s safe to say that regardless of your industry, if your business can benefit from the advantages of investment cast parts and components, they might be the perfect metal option for any and all of your projects.

Benefits of Investment Castings

One of the most common benefits why investment casting is often resorted to is the fact that it requires low tooling cost. Tooling is a significant cost factor for all other types of parts, but not for investment castings. Thanks to the casting process, a long-lasting and high-quality part that requires little tooling are produced. Investment castings can be extremely beneficial. But they can also extremely difficult to manufacture. The production of these components requires expert knowledge and experience.

Despite the low tooling cost, investment casting can still provide intricate designs. Letters, numbers, product IDs, and logos can be easily added to the inside or outside components. Likewise, it requires simple methods to add thread, gears, splines, blind holes, slots, and hole profiles.

Additionally, investment casting is very consistent and accurate. These castings are extremely accurate and near net shape. Since components are created by using the same wax pattern, this accuracy can be maintained from casting to casting.

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What Are Machined Castings Used For?

Machined castings include a number of services and factors. Thus, in searching for the best company to deal with this matter, it is essential that you look for an on-site and full-service machine shop with the ability to machine a variety of alloys, as well as, to machine enormous castings up to 4500 kilograms. The company must reliable and efficient journeymen machinists that are able to handle a dynamic balancing of up to 2900 kilograms with careful use of the equipment. In addition to the workforce, it is also imperative that the company must have state-of-the-art machining equipment, specialized key seater machine, and other useful machines and pieces of equipment.

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Full Service Machined Castings

What are Machined Castings used for?

When the time comes that your casting applications require machining to tight tolerances, it is important that you get a partner or acquire the services of professional companies whom you can rely on to give a reliable and unfailing high-quality service. At Ferralloy, our skilled machinists have the ability to offer quality machined castings for wear components, valve bodies, casings, split castings, diffusers, impellers, and other specialty components that you deem important. Whether your castings were placed in our sand foundry or other materials used for castings, we have the ability to offer you an assembly, finish-machined, and semi-machined results.

Specialized Impeller Machining

Since impellers have been an essential part of the casting business from the time this process was discovered, our company is known to be experts in trade and casting processes. We can immediately assemble, balance, keyway, and finish your impeller machines and machined castings without having to compromise its quality. With our experience and expertise, we have the ability to machine keyways up to 40 inches long and 4.5 inches wide. Other machine shops can justify this because of the existing and frequent contract they have with us to complete the work.

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Dimensions and Tolerances of Machined Castings

At Ferralloy, we know that tight tolerance requirements can be attained for the most crucial components like pump and compressor castings, high-pressure valves, seals, sleeves, and rotating elements for as long as the processes are carefully followed and the materials used are made of quality components. Contact us now and tell us about your casting problems!

What is the Difference Between Investment and Sand Casting?

Investment casting and sand casting are means of producing metal parts by pouring molten metal into three-dimensional molds. Although the methods are of thousand years old, both castings have been advanced over the years to decrease the percentage of metal used and minimize any extensive finishing and machining required. However, substantial differences exist between these two methods of creating metal parts.

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Know the Basics of Investment and Sand Castings

Investment Casting Basics

Lost-wax casting, commonly known as investment casting, creates molten metal parts. The usual parts produced from this casting method are carbon steel, aluminum, brass, and stainless-steel alloys. The primary step in creating these types of metals is to build a wax version. To achieve this version, it may be done in three ways: carve and replicate the product out of wax, produce a metal mold and fill it with hot wax, or create a gelatin mold around a solid and 3D model. The produced molten metal is poured into an empty frame and left to harden. The investment and ceramic mold are then removed to get the final product.

Sand Casting Basics

Just like investment casting, sand casting starts by pouring molten metal to sand-based molds. This method often uses magnesium, aluminum, brass, bronze, steel, iron, and other non-ferrous alloys. The molds are produced by compacting sand around a model or pattern of the final product. The compacting sand is normally mixed with clay and humidified with water.

Differences

Due to the preparation needed and complexity of the procedures, investment casting is known to be more expensive than sand casting. However, the latter cannot constantly make the tiny and intricate parts possible with the use of the former method. Another notable difference between both castings is the surface finish. With investment casting, ceramic molds are used to harden the product and the finished parts display low tolerances and smooth surfaces. On the other hand, sand casting requires that the mold needs to be split apart so as to exhibit the final product.

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More Information About Investment Castings?

Ferralloy, Inc. is an international enterprise that delivers the metalworking industry with forgings, fabrications, castings, and other related products and services. If you need more information about investment casting, contact us today!