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How CNC Milling and Turning Impact Quality

Companies are always looking for opportunities to improve quality. To achieve this objective, many companies have switched from manual machining methods to CNC machining to take advantage of its cost-effective, high-quality products. CNC machining is a manufacturing process that uses a computer to control machinery, and is known for its excellent precision and consistency compared to manual machining. Simply put, the quality achievable with CNC machining is unmatched. When fabricating a product, CNC machines are able to perform many operations – and two of the most common are milling and turning. Below is a closer look at how CNC milling and turning positively impact quality.

How CNC Milling and Turning Impact Quality

Many industries are turning to precision CNC machining as a value-add solution for fabrication. Below is a summary of some key benefits of CNC machining and how each directly impacts product quality. It should be noted that all of the factors below contribute to the cost-effectiveness of CNC milling and turning – saving companies time and money and providing a critical competitive advantage. Additionally, it is important that OEMs select a machining partner that values quality, and certifications are one way to assess a manufacturer’s commitment to quality. For example, Stanley Machining is ISO 9001 certified and their AS 9100 certification will be completed shortly – demonstrating a strong dedication to quality and quality assurance.

  • Unparalleled Repeatability: consistency, uniformity, repeatability – each of these terms describes the quality feasible with CNC machining. Computer control ensures CNC machines apply the exact same cut every single time – the epitome of precision. Compared to conventional machining, CNC milling and turning machines have demonstrated outstanding repeatability, resulting in much higher product quality.

  • Fewer Errors: errors are nearly eliminated with CNC machining. Conventional machining relies on manual labor, making this method susceptible to human error. CNC milling and turning, on the other hand, are computer controlled which significantly reduces the opportunity for error, leading to higher quality final products.

  • Increased Part Complexity: CNC milling and turning machines are able to create parts that are extremely complex. Traditional CNC machines are able to move along 3 axes: the X-, Y- , and Z-axes at the same time. State-of-the-art 5-axis CNC machines are able to operate along these 3 axes as well as 2 additional rotational axes, A- and B-, for a total of 5-axes working simultaneously. In general, the more axes a CNC machine can operate on, the more complex geometries it can fabricate. Thus, 5-axis CNC milling and turning machines can manufacture complex parts of nearly any size, shape, or texture – and at a much higher quality than would be feasible with conventional machines.

  • Tighter Tolerances: CNC machining is able to achieve tight, precise tolerances that are not feasible with conventional machining. For companies that need intricate, high-quality parts with tight tolerances, CNC machining is a must. Traditional machining is simply unable to consistently attain the tolerances that are possible with CNC milling and turning.

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  • Superior Design Retention: once a part design has been entered into the CNC software, it is stored there indefinitely, avoiding the need to keep track of the paper designs that were necessary with conventional machining. CNC software can easily access the design at any point in the future, and the part can be replicated over and over again – hundreds or thousands of times. Additionally, revisions or updates to a product design is easily achieved with CNC software. All of these aspects of CNC milling and turning machines contribute to a higher level of repeatability and product quality.

  • Improved Surface Finish: as previously noted, CNC equipment is able to operate on a number of axes, with the highest being 5-axis machines. 5-axis machines are able to bring the tools closer to the part since the cutting tools are shorter in length. For this reason, 5-axis machines are less likely to vibrate while operating. Less vibration and movement lead to a more consistent, higher-quality finish on the final product compared to parts fabricated with conventional machines.

About Stanley Machining

Since 1966 Stanley Machining has been proudly providing unsurpassed, multi-industry contract manufacturing solutions to world renowned OEM's and government entities. As a global leader in precision CNC machining, we continue to provide unsurpassed expertise and value as a true partner with our customers. OEMs rely on our superior expertise and machining processes to enable them to maintain a competitive edge. We serve commercial and industrial sectors across a range of markets including defense, power, aerospace, and oil & gas.

We take pride in our quality assurance program and we are ISO 9001:2015 certified. We continuously re-invest in state-of-the-art equipment and highest caliber quality professionals. Stanley is a women-owned small business with over 125 employees and 200 pieces of CNC equipment under 400,000 sq. ft. in two locations.

Stanley Machining offers a wide array of machining centers to meet our customer needs. Our size and breadth allow us to offer a wide range of capabilities from small to large format production components. Stanley's wide range of equipment produces the most high-quality and close tolerance cutting edge components, including non-symmetric work pieces.

Contact us today to see how we can help with your next CNC project, or give us a call at 847-426-4560.

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