With the advent of 3D Printing and Computer-based design systems, some designers may overlook a tried and true type of machining that provides precision models with high-class 3D features. While many forms of model building can produce moving parts, CNC machining enables a designer or engineer to craft one of a kind models to spec. This further enables the prototype builders to come as close to the end product as is currently possible.

Rapid CNC Milling and Turning

CNC milling has been apart of the manufacturing industry for decades. Machinist engineers often turn to the process when they desire to produce parts and components that require the utmost precision and intricacy of design. CNC, e.g., computer numerical control equipment uses routers and grinders to achieve a finished product and although the process is largely computerized, it has to be overseen and guided by a skilled machinist who knows how to achieve optimum results.

These precision engineers utilize computer-aided designs or CADs to implement codes based on mathematical formalizations to create even the most complicated parts. The base is generally an industrial-grade material such as metal or plastic, which is shaped to form the complex parts needed for a final build. Depending on how large or small the project is, the procedure can take days to weeks to complete.

From Concept to End Product-Development

A reputable CNC machinist and/or machining shop will start with their client’s drawings prior to taking the next step of factoring outsize and scale. Once that is determined, the CNC engineer can set up the equipment and begin to craft to object's moving parts. Prior to this however, is the all-important choice in material. The chosen substance has to be able to withstand intense machining. From laminates to plastic and a plethora of metals, there are numerous industrial-grade products to choose from in order to get started. After the proper materials are obtained, the CNC machinist begins to craft each individual piece. This is where the machinist's skill and craftmanship come into play.

Fully Working Models

At the production end of things, the CNC machine does a good bit of the work, shaping the product to exacting specs so that it comes as close to the end product as possible. Because a CNC machine can quickly and efficiently create a fully functioning prototype that can be presented at trade shows and to potential investors, it can easily revolve around the customer's scheduling needs. This makes CNC machining one of the best options for amazing results that are affordable and long-lasting. Be sure to comparison shop when on the market for quality CNC prototype creation. The best machining shops are ISO 9001:2008 certified, so be sure to inquire about this aspect prior to doing business with any parts or prototype manufacturing company.

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Why Healthcare Systems Should Stay Away From Rapid Prototyping Manufacturing
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Speed and efficiency can go hand and hand, but at times, depending on the processes or protocols used, it can mean a loss of production quality. This can be especially true when creating mechanized tools and parts. Dealing with the wrong machining processes can produce instruments that may not be up to par. This is problematic in the health care industry where human lives can literally hang in the balance. For this very reason, healthcare engineers may want to steer well clear of Rapid Prototype manufacturing to meet equipment crafting needs.

What is Rapid Prototype Manufacturing?

Rapid Prototype Manufacturing is a process used to build to scale visual or working models via CAD (computer-assisted design). The end product is often created utilizing additive layering technology to bring to life a prototype that will be true to the designer's ideals. The process has been used in a number of industries with even sculptors and animators creating characters and works of art that can literally exist in a 3D, real-world space.

The medical profession uses scale prototyping as well to produce life-enhancing or even life-saving equipment and components. These tools are generally designed to be primarily used in health-related fields. It all begins with the formulation of geometric data that is comprehensively evaluated so that all the necessary parts can be aligned for precision building and eventual display.

The Disadvantage in The Healthcare Fields

The term Rapid Prototype Manufacturing is a bit of a misnomer in that it can take several hours or days to create a working model. Adding to this inconvenience is the fact that it can be hard on budgets, as the equipment to craft these models can be rather expensive. The resin and additives used for prototype crafting are not up to the health system standards, as these materials can be rough or hard to smooth. Medical equipment and tool surface finishes have to be precise.

End product durability is also called into question, as additive based substances generally cant weather a lot of wear and tear. To date, this relatively new technology is not compatible with the extremely comprehensive reliability needs of the medical establishment. Although many in the machining field feel the technology will eventually evolve to a more stable platform and has a lot of promise, it just isn't there yet.

Alternatives to Rapid Prototype Manufacturing

EDM (electrical discharge machining) and CNC (computerized numerical control) milling and turning are time tested, viable options with stellar reputations in the machining fields. Expert machinists often use these processes to craft high-quality parts, components, and prototypes that easily fit contemporary medical needs. Both of these techniques utilize state of the art equipment that can craft parts easily without sacrificing end-product quality. Custom finishes are often flawless and up to International as well as AMA standards.

Because many shops that utilize CNC and EDM machining techniques must be ISO 9001:2008 certified, purchasing agents and clients are all but guaranteed superior merchandise at a fraction of costs.

Do Your Homework

Be sure to shop around for the best deals and try to locate the shops with great reputations in the manufacturing industry. Start by checking to see if the manufacturer is ISO 9001:2008 certified. Once you verify that they are, schedule an appointment to take a tour around the facility if allowable, and speak to any qualified machinist on hand. A reliable company won't mind assisting clients in their search, which, in the end, could lead to a nicely made prototype that is sure to get the designers the result they want, without ever having to sacrifice excellence.