How to Save Money When Buying brass casting process

Author: Grace

Apr. 14, 2025

3 Quick Tips for Buying Cast Parts - Eagle Group Blog

Whether you're looking to produce a new product or save money on products you're already manufacturing, cast parts can be a great option. Metalcasting has been around for over 5,000 years, and today's processes, along with cnc machining, can produce just about any part imaginable.

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Purchasing cast parts can be a long and difficult process, and there are many variables to consider. Overall, you want to make sure that you find the right balance between quality and cost.

Before you dive right in and start choosing the right manufacturer, here are three things to keep in mind when purchasing cast parts.

1. Know How Your Product Works

If you're bringing a new product to market, it's OK not to know everything about how it will work, and your supplier can help you figure out the details. In order to choose the right supplier, however, you need to know at least the basics about the shape and function of your product.

For example, is it a standalone part, or does it interact with other parts? Is it a new part, or an improvement on an old part? How will it move, and where will the friction points be?  

While engineers at a foundry or machine shop can help you finalize your design, they won't know the whole story right away. It's up to you to decide what's most important in terms of your part's shape, size, stength and function.

2. Know Your Product's Tolerances

Almost as important as the part's functionality are its tolerances. Before shopping around for casting quotes, you need to know where your design can change, and where it can't.

Most parts require machining in the finishing stage, but some casting methods can meet tight tolerances without additional machining. To complicate things even more, different types of metal are more machinable than others.

Knowing where your part is more (or less) flexible in terms of tolerances will help you decide on the best process and material to use farther down the road.

3. Know Where Your Product Will Go

A logical extension of knowing how your product works is knowing where it will be used.  One of the most important factors in determining the right materials and process for a casting is knowing what kinds of physical hardships it will be exposed to during its lifetime.

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Every part–whether it goes in a car antennae or holds up a crane arm–will experience stresses, strains and exposure to the elements. Parts that stay outside are much more prone to oxidation, and will either have to be made of corrosion-resistant materials or painted. Day-to-day use can push and pull a part until it exceeds its tolerances, and can no longer be used. Some materials are more susceptible to this type of wear than others. 

Choosing the Right Supplier

These three tips are really meant to help you choose the right supplier, or the right manufacturer for your product. Foundries and machine shops around the country–and around the world–offer a wide variety of capabilities, specializations and expertise. The best companies will work with you to determine the most cost-effective way to produce your product, while also ensuring that each part meets or exceeds its requirements.

Knowing how your product should work, its tolerances and where it will be put to use can help you narrow down the list of suppliers.  Last but not least, look for companies with an emphasis on customer service. You want to make sure you choose a supplier that's helpful, cooperative and responsive every step of the manufacturing journey.

How to save money while sourcing quality machined castings ...

As a finished goods manufacturer, you understand the importance of sourcing high-quality machined castings. Striking the perfect balance between quality and cost when selecting a reliable supplier can be challenging. However, getting this balance right can ensure your products’ reliability, efficiency and optimal cost-effectiveness. In this post, we’ll guide you through the steps to reducing expenses while procuring good quality machined castings effectively.

Collaborate with a trusted supplier

The key factor in saving money while maintaining exceptional quality in machined castings is to choose the right supplier. A proven supplier not only guarantees superior products but also facilitates cost reduction. They will provide expert guidance on the best materials, technologies and metal casting processes, which will enhance efficiency and minimise waste. Moreover, a reputable and high-quality supplier will have a track record of punctual and budget-friendly deliveries, minimising costly delays.

Material selection

The choice of materials used in casting directly impacts production costs. Certain materials may be more expensive and require specialised processing, increasing the overall cost. This means, it’s vital to discuss the most cost-effective material that suits your specific application with your supplier. It’s possible that a less expensive material that meets the required quality standards will suffice. Always thoroughly evaluate all available materials and opt for the most economical option.

Streamline machining processes

The casting process can significantly contribute to the expenses incurred in producing machined  castings. However, this cost can be minimised by optimising the process. For instance, automated machining can reduce labour costs and enhance efficiency. Additionally, more modern, cutting-edge casting methods can manufacture parts with exceptional precision, reducing the need for additional finishing operations. Collaborate closely with your supplier to streamline the casting process and reduce costs.

Avoid over-specifying

While sourcing quality machined castings, it’s helpful to have a comprehensive understanding of the functional requirements of your parts. Over-specification can lead to higher material and processing costs, prolonged production time and unnecessary expenses. Maintain open communication with your supplier to fully comprehend these requirements and avoid over-specifying. Standardising your parts can also contribute to further cost reduction.

Invest in quality control

Implementing stringent measures can significantly reduce costs. Detecting defects early in production through rigorous quality control minimises rework or replacement costs. A robust quality control process also ensures consistent receipt of high-quality parts, extending your product lifespan. Therefore, it’s important to collaborate with your supplier to establish effective quality control measures, ensuring a cost-effective production process.

Striking a balance between cost-effectiveness and sourcing high-quality machined castings can be daunting. However, you can substantially reduce production costs by collaborating with a trusted supplier, optimising the casting process, carefully selecting materials and implementing quality control measures. Avoiding over-specification of your requirements will also help control expenses while maintaining consistent quality.

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