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Sand-Casting Custom Bronze Parts at Erie Bronze & Aluminum

Tim Robbins / December 20, 2024
Sand Casting Custom Bronze Parts

Erie Bronze & Aluminum offers tight-tolerance sand-casted custom bronze parts that provide convenient and customizable solutions to customers in a wide variety of industries. With Erie Bronze & Aluminum’s considerable investment in new technology like the DISA MATCH 20/24 Molding System, they are poised to offer customers unmatched versatility in crafting custom bronze components from three to over one hundred pounds. With this advantage, those who work with the team at Erie Bronze will receive lower production costs and faster turnaround times than alternative casting techniques. This page details the exciting advantages now offered by the DISA system for sand-casting custom bronze parts, the supplemental finishing services offered at Erie Bronze, and the various alloys our team is experienced in working with.

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Sand-Casting for Tight Tolerance Custom Bronze Parts

Bronze components can be produced using various methods like green-sand casting, centrifugal casting, continuous casting, or forging and the best fit for any given application will vary based on the part’s end-use to maintain high-quality industry standards. Erie Bronze’s specialty lies in its proficiency as a green sand casting foundry for tight tolerance custom bronze parts that require minimal post-casting machining.

Sand-Casting

At Erie Bronze, we offer sand-casting services using the latest technology and techniques to achieve precision quality with this millennia-old method of casting. A key aspect of this is our high-end DISA MATCH 20/24 Molding System, which offers state-of-the-art performance, accuracy, and consistency. It boasts swift and accurate pattern changes alongside a user-friendly operating interface that keeps costs down and production efficiency up.

The sand used for casting custom bronze parts is cost-effective and capable of withstanding extremely high temperatures without experiencing alterations to the mold shape. Sand-casting with the DISA MATCH 20/24 system is the ideal solution for cost-efficient production runs that demand precision, and fast turnaround times, and would like to avoid the added machining or finishing required by other methods. Our sand casting services apply to a wide range of bronze part applications including alloys like aluminum bronze and manganese bronze. Sand casting can be used for small-batch production runs as well as automated large-scale production.

Supplemental Finishing Services

The primary advantage of using sand-casting like the DISA Match 20/24 Molding System for custom bronze parts is that these parts hold far tighter tolerances than other methods like centrifugal or continuous casting. As a result, these parts require far fewer post-casting machining services to achieve their final appearance or the correct dimensions. That being said, Erie Bronze and Aluminum is still capable of additional finishing services like machining or heat treatment to help achieve the ideal specifications for custom parts.

Machining

Once the parts are cast, all parts made at Erie Bronze are cut off, ground, and blasted in our cleaning department.  We can also offer additional finish machining services to clients whose components require it. Through our machining services, we can offer enhanced surface finish, machined threads, and mating ports for critical areas of custom bronze part castings. These turn-key services make it easy for companies to get the parts they need all ready to go for their end-use application.

Heat-Treating

Erie Bronze can facilitate heat-treating services to enhance the properties of the components we cast. By post-treating parts, clients have the opportunity to improve the integrity of their cast components. Often, parts require enhanced strength, toughness, wear resistance, or reduced flexibility after casting.

Casting Custom Parts with Different Alloys

At Erie Bronze & Aluminum, we have experience sand-casting custom bronze parts from four primary bronze alloy types including aluminum, manganese, tin, and silicon. Our facility is equipped with a SPECTROLOAB metal analyzer to ensure that each alloy used has compositions that meet the intended ASME, ASTM, or other mil-spec guidelines dictated by customers.

Aluminum Bronze

Aluminum bronze alloy castings are among our most popular products, as we excel in pouring 952, 953, 954, 955, and 958 aluminum bronze alloys. With these high-quality alloys, bronze parts provide superior wear resistance, exceptional welding characteristics, and enhanced mechanical properties to help withstand corrosive agents like seawater, dilute acids, and chlorides. Aluminum bronze is a non-sparking bronze alloy, so it is ideal for any equipment designed to deal with chemical, gas, petroleum, and explosive products.

Manganese Bronze

Our manganese bronze alloy is ideal for customers who want one of the strongest copper alloys possible in their custom parts. Our foundry is adept at casting tight tolerance parts from 862, 863, and 865 manganese bronze which are primarily used for heavy-duty applications that require moderate to high levels of corrosion resistance. This alloy is also suitable for applications that require high loads and speeds thanks to its high tensile and yield strength.

Tin Bronze

Our tin bronze alloys include 903, 905, 907, and 911. These particular alloys are useful for providing reasonable corrosion resistance with moderately high strength, good wear resistance, and a lower coefficient of friction. With tin bronze castings, parts can accept high levels of shock and impact loads, their ability to perform well at reduced surface speeds makes them particularly useful for high-strength bushing and bearing applications alongside moveable bridge components.

Silicon Bronze

Silicon bronze alloys number 873 and 875 are predominately used for castings that demand moderate levels of strength and good corrosion resistance when submerged in liquids or chemicals. These properties make custom silicon bronze parts ideal for gears and bearings in the plumbing industry as well as for manufacturing various pump and valve components.

Request a Quote for Custom Parts from Erie Bronze & Aluminum

At Erie Bronze & Aluminum, our industry-leading DISA Match 20/24 Molding System produces tight-tolerance bronze parts without requiring extensive post-casting machining or finishing required by alternative methods. With our experience with the sand casting process, we can handle high-volume production runs of unique custom parts that range from 3 to 150 pounds in size. This combination of modernized technology and hands-on experience allows us to provide shorter lead times with timely deliveries and low-cost shipping options.

The versatility of Erie Bronze & Aluminum makes it easy for customers in any industry to design and receive high-quality parts for both low and high-volume production orders. Our 100% American-made parts can be produced to your exacting specifications with a near-net shape and far less post-casting machining or finishing than centrifugal or continuous casting methods. Reach out to a member of our team today with more information to request a detailed quote for your custom bronze parts today.

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