CNC Milling Service

CNC Milling Services

High quality CNC Milling services, parts ready in days.

Overview: How CNC Milling works?

The Basics Of CNC Milling

Milling involves holding the workpiece in a horizontally-mounted, adjustable spindle. As the workpiece rotates, various cutting tools are applied to the piece to create circular shapes and features like rings, grooves, slots, contours, radii, internal bores and threads. On our Haas Milling mills, an extra axis of movement allows us to work perpendicular to the lathe spindle for making square faces or boring holes. This opens up many new machining possibilities.

CNC Milling In Progress

We use CNC machining not only to manufacture parts and prototypes but also to make mold tools, which can be used for our plastic injection molding or presure die casting services.

How CNC Milling Works

With a 3-axis machine, the rotating tool mentioned above can translate relative to the part in the X, Y, and Z axes (thus the name), but is fixed in a vertical (or horizontal, depending on the machine) orientation. With modern CNC mills, the tool can also move in any combination of the 3 axes simultaneously.

A 5-axis machine is capable of the same movements as a 3-axis machine, but with added rotation about the X and Y axes. It is usually the bed that rotates rather than the toolhead, though both types of machines do exist.  This added rotation allows for much more freedom when machining each setup.

Types Of CNC Milling

At FacFox, we offer you a variety of CNC machining services including milling, turning, EDM, wire EDM, surface grinding and much more. Using our imported 3, 4 and 5-axis CNC machining centers, our skilled machinists can make turned and milled parts using a wide range of plastic and metal materials. Our CNC machining abilities also complement our 3D metal printing service making us a great one-stop service for your advanced designs.

Machined plastic parts are left as-milled, which typically means they show visible tool marks. Some metal parts allow more finishing choices. When the run is complete and your required surface finish is applied, parts are boxed and shipped shortly thereafter.

Features of CNC

Advantages

Fast and Repeatable
Quick removal of large amounts of metal material, parts ready as fast as 1 day
Accuracy
High-precision tolerances ranging from +/-0.005″ – 0.01″, depending on customer specs.
Wide Range of Materials
Choose from over 50 metal and plastic materials.
Scalable Volume
CNC Machining has scalable volumes for production of 1-100,000 parts.
Custom Surface Finishes
Suitable for many different kinds of substrates, make your parts just the same as real products.
Cost Saving
Low investment in tooling and preparation costs, economical for parts with simple structure.

Drawbacks

Structure Limits
Interlocking and hollowed structure is difficult to be machined with CNC.
Scale Effect
The unit cost and lead time will not be reduced as much as injection molded parts.

CNC Processes

CNC Milling

CNC milling is used to apply a machined surface finish on plastic or metal, or for creating complex 3D shapes. We use domestic and imported 3, 4 and 5-axis CNC machining centers with quick-change tooling, and advanced programming software.

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CNC Milling

CNC lathes enable high speed and quality Milling of both plastics and metals. The Milling process allows for complex external geometries and internal bores to be generated. Our Milling capacity is available for prototypes through to low-volume production.

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EDM / Wire EDM

EDM (electrical discharge machining) is a method for cutting holes, pockets and other shapes into hardened steel, as well as imparting a surface texture to the internal cavities of mold tools. It’s able to cut through hardened tool steels quickly and accurately.

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Available Materials

Aluminum 6061
Aluminum 7075
Aluminum 5052
Brass H59
Copper
Stainless Steel 304
Stainless Steel 316
Stainless Steel 303
Iron
Titanium (Ti)
Magnesium (Mg)
Zinc (Zn)
ABS
Polypropylene (PP)
Polycarbonate (PC)
Acrylic (PMMA)
Nylon 12(PA12)
Nylon 6/66(PA6/66)
Derlin (POM)
PET
Teflon (PTFE)
PEEK
Polyurethane (PU)
PVC
PPS
Vespel (PI)
Torlon 4203 (PAI)
UPE/UHMW
PVDF
ULTEM (PEI)
Wood
Bakelite
Carbon Fiber
MDF Panel

Available Finishes

The finish option with the quickest turnaround.

Parts are left with visible tool marks and potentially sharp edges and burrs, which can be removed upon request. Surface finish is comparable to 125 uin Ra finish.

Abrasive blasting, more commonly known as sandblasting, is the operation of forcibly propelling a stream of abrasive material against a surface under high pressure to smooth a rough surface, roughen a smooth surface, shape a surface or remove surface contaminants.

Anodizing is an electrochemical process that converts the metal surface into a decorative, durable, corrosion-resistant, anodic oxide finish. Aluminum is ideally suited to anodizing, although other nonferrous metals, such as magnesium and titanium, also can be anodized.

Powder coating is a type of coating that is applied as a free-flowing, dry powder. The main difference between a conventional liquid paint and a powder coating is that the powder coating does not require a solvent to keep the binder and filler parts in coating and is then cured under heat to allow it to flow and form a “skin”. The powder may be a thermoplastic or a thermoset polymer. It is usually used to create a hard finish that is tougher than conventional paint. Powder coating is mainly used for coating of metals, such as household appliances, aluminium extrusionsdrum hardware and automobile and bicycle parts.

  • Electroplating
  • Spray-Plating
  • Don’t see the finish you need? Submit an RFQ with ‘Suggest’ option, we’ll look into a finishing process for you.

CNC Applications

Prototypes

With CNC machining, the prototype can be made using the exact material that will eventually be produced before the mass production. High tolerance makes it a good choice for functional prototyping.

Mold Making

CNC can be applied to make high- quality tools from aluminum 7075-T6 for injection molding, while steel tooling made from P20, NAK80 and H13 is available for volumes up to 100,000 pieces.

End Products

With CNC machining, the low volume end products can be made using the exact material that will eventually be produced before the mass production, some simple parts can even be mass produced.

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Industries with CNC

Aerospace
Automotive
Consumer Goods
Bio & Health
Art & Creative
Architechture
Entertainments
Electronics
Education

Resources for CNC

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