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Posted On: November 25, 2020
Stainless steel (SS) is a widely preferred material for industrial and commercial product manufacturing. Its properties like high ductility, lustrous surface finish, high strength, and high-temperature sustainability make it highly suitable for manufacturing industrial products. Earlier, stainless steel products were manufactured using stainless steel casting. The casting was preferred due to the high-temperature stainability and moldability of stainless steel material. Although stainless steel is still favored by industrial manufacturers, the casting technique is being replaced by stainless steel CNC machining. This is because casting produces dimensional defects and may involve long production cycles. What exactly makes CNC machining a good replacement for stainless steel casting? Or is CNC machining truly better than casting? This post answers all the questions for you.
Factors That Make CNC Machining Superior to Stainless Steel Casting
The following are some beneficial factors of stainless steel CNC machining that make it a better replacement for stainless steel casting.
- No Cost of Mold:
Unlike casting, CNC machining does require a mold. The CNC machines use various cutting tools that are directed via a numeric computer code to shape a product. Therefore, CNC machining saves the cost of the mold.
- Complex Production:
CNC machining can be used for a minute and complex part production. However, casting has a limitation that it is not suited for complex part production. Using casting for intricate products may give dimensional errors and a rough surface. However, CNC machining is performed over consistent feed, appropriate tooling, and low-tolerance dimensional coding, therefore the complex yet precise production can be efficiently performed using CNC machining for stainless steel products.
- Faster Production Cycles:
Stainless steel CNC machining is a quicker manufacturing process compared to stainless steel casting. Mold setting is a time-consuming activity in casting followed by metal melting and cooling, and final product ejection from the mold. Against this, CNC machining includes generating a computer code, setting the workpiece, and post-production ejection of the stainless steel component.
- Dimensional Precision and Stability:
CNC operations are computer-managed, therefore it reduces the chances of human errors for dimensional accuracy. Stainless steel casting may require extreme heating and cooling that may alter the dimensional accuracy of the final product. Contrary to this, Stainless CNC machining can be performed at low dimensional tolerance. Also, it does not require extreme heating or cooling of stainless steel sheets. Thus, dimensional changes due to temperature fluctuations are ruled out in CNC machining.
Owing to the above-mention benefits of stainless steel CNC machining, stainless steel casting is rapidly being replaced by CNC machining and has proven beneficial in several applications.
Note:Generally, CNC milling is the process used instead of stainless steel casting as it offers quick product formation, retains the lustrous surface finish of stainless steel, and offers high strength and durability to stainless steel products. However, for different parts various CNC techniques like CNC routing, turning, drilling, etc can be used as well.
Now that it is understood why CNC machining is superior to casting, it is important to know that the perfection of CNC machining enhances the quality of the products. Therefore, you must source stainless steel CNC machining from experts like BDE, Inc. The company offers quality stainless steel CNC machining services to several industries like medical, aerospace, marine, and many more. They possess a vast experience of over 3 decades and is ISO 9001:2015 certified.
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