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The cutting edge of aerospace machining

Source:Halcyon     Date:2022-02-04
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Ensuring Parts are Precise and Reliable for Critical Applications

 

From rapid prototyping and design for manufacturing before the first part is machined, to adaptable and scalable manufacturing and state-of-the-art metrology & inspection throughout the process

 

For the aerospace industry, the "cutting edge" of parts machining goes far beyond having the latest CNC equipment and accessories. It also means engaging at the earliest stages of the process using the latest in design for manufacturing (DFM), simulation and process verification processes prior to cutting the first part. It is then critically important to have flexibility and adaptability to make changes and scale production when needed with the ability and commitment to inspect with the most precise tools throughout the process. The goal of this approach is to give customers the knowledge that when machining begins, the parts are going to be 100% right, with zero defects, the first time and every time.

 

Delivering this level of peace of mind is critical in the aerospace industry. There is, after all, so much at stake in aerospace and defense where parts are critical to performance and safety. Whether operating in the air, sent into space, or used on the battlefield, the reliability of how parts function is essential to success.

 

Typically, when a potential customer is looking for a machine shop to make a complex part, they are looking for the latest equipment and current certifications including ASQ, ISO 9001 and AS9100. There is a tremendous benefit, however, for a customer to look beyond these prerequisites for a machine shop that will work with them from the design phases through manufacturing to predict and resolve failures before they happen. The ability to predict when failures could occur requires proactive communication and early engagement with an expert machine shop.

 

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Halcyon uses the latest in design for manufacturing (DFM).


Design for Manufacturing – The ability to adapt early

A Design for Manufacturing process enables the machine shop to anticipate possible complications and limitations in the machining process upfront.

 

"With Design for Manufacturing, the goal is to make the product manufacturable in an efficient and cost-effective way and that starts with reviewing the parts and discussing the specifications openly," says Tony Doan, CEO of San Jose, California-based Halcyon Manufacturing, an advanced ITAR Registered and AS9100/ISO9001- Certified manufacturing shop for complex parts serving Greater Silicon Valley. "The aerospace and defense industry needs a cutting-edge machine shop that has both the expertise and the desire to guide their customers on how to achieve better machined products at a better price."

 

This analysis and feedback are part of an ongoing manufacturing collaboration between an aerospace client and their contract machining partner well before production starts from the inception of a project through prototyping.

 

Halcyon applies the Design for Manufacturing protocol across a wide spectrum of metal machining from bar grade 6061 aluminum, brass, copper, titanium, stainless steel, and plastics.  The company also works with quartz, ceramic, graft, titanium, and a variety of steels and serves customers in the aerospace, home defense, automotive, medical, and semi-conductor sectors.

 

"When you can use the latest simulation and process verification technologies prior to cutting the first chip of metal or plastic, then when you start manufacturing, you know that the parts are going to be 100% right the first time, every time," says Doan.

 

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Halcyon gives customers the knowledge that when machining begins, the parts are going to be 100% right with zero defects.


Rapid prototyping

Rapid prototyping removes financial and time risk by providing a cost-effective way to test a full range of designs and materials. With rapid prototyping, many iterations of a part may never make it to production, which can save aerospace and defense contractors time and money.

 

"If we understand how the part needs to function, we can 3D print the item in plastic, run it through a few tests, and then proceed – rather than rush to machine parts out of expensive material in the prototype phase," explains Doan, who adds that in addition to initial prototyping, 3D printing can be used to create workholding and fixtures.

 

Adaptability and scalability in production

Aerospace and defense clients operate in highly dynamic markets and the need for changes to part specifications and the quantity of parts is high. Cutting-edge aerospace machine shops must therefore be adaptable and flexible for any design changes. They also must be capable of scaling up production to "lights out" manufacturing if needed without compromising the accuracy of the machining.

 

"While capacity is certainly important, the overall size of a machine shop is not the most important criterion," says Doan. "Aerospace and defense companies certainly need manufacturing scale, but they also require adaptability as complex manufacturing designs evolve and change. For a machine shop to be an effective partner, they need to be nimble."

 

Inspecting quality upfront

Finally, to complement the machining capabilities and nimbleness, a shop must have state-of-the art metrology equipment for advanced inspections guided by a proactive zero-defect mindset. 

 

"It's not about making parts and sorting out the bad ones and shipping the good ones," says Doan. “You need a machine shop committed to not making the bad parts at all."

 

"To produce the most precise parts, you must be able to inspect more than the finished goods," he adds.  "A machine shop should be inspecting in real-time such things as the set-ups and the speed throughout the process which enables data to be captured for statistical predictive process control."

 

At Halcyon, automated coordinate measuring machines (CMMs) perform process inspections and produce first article reports. Halcyon also uses a digital multimeter (DMM) with scanning capability that can take thousands of data points during a scan of a complex curved surface. This results in very precise and accurate repeatable product evaluations.

 

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Cutting edge parts machining means engaging at the earliest stages of the process.


Forging a partnership

Aviation, defense, and other sectors that rely on machine shops to produce precision parts to extremely tight tolerances with consistency should look beyond the basic certifications and CNC capabilities for those with the expertise to optimize the manufacturing process before any items are manufactured and adjust as needed after. With this level of flexibility, and by ensuring a zero-defect approach at every stage of the process, OEMs and defense contractors can proceed with certainty that the parts they are receiving are of the highest reliability and without unnecessary additional costs for their most critical applications.

 

For more information visit the Halcyon website at https://www.halcyonmfg.com  or call (408) 520-4655.


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