CNC Custom Metal Part Machining CNC Stainless Steel CNC Machining Parts Turning

CNC, an abbreviation for computer numerical control, defines the underlying technology in CNC

machining, a process where machining operations are controlled and directed by a computer.

Through computerized automation, CNC machining enables the swift production of parts with

enhanced speed, accuracy, precision, and the ability to accommodate intricate geometries that

surpass the capabilities of manual machining.

Additionally, CNC machining alleviates the manual labor involved in machining tasks, which would

otherwise be performed by humans. Even though individuals are not directly engaged in physically

machining each part, their involvement is indispensable in the programming and operation of CNC

machines, guaranteeing the successful execution of every operation.

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The primary focus of the CNC machining process revolves around metals, incorporating alloy steel,

carbon steel, cast iron, stainless steel, aluminum, copper, magnesium, and zinc.

Nevertheless, CNC machining extends its capabilities beyond metals to encompass plastic parts

and other materials, including ceramics, composites, thermoplastics, and thermosets.

CNC Machining Tolerances

Typical machining tolerances fall within the range of ± 0.005 inches or 0.13 millimeters.

Tolerances represent the allowable variation for a specific dimension.

For instance, if a CNC machining tool has a tolerance of ± 0.01 millimeters, it means that the tool

can deviate by 0.01 millimeters in each cut.

When provided with a drawing, Our CNC machining service can achieve CNC parts with tolerances

as tight as ± 0.0002 inches.

In the absence of a drawing, all CNC parts are manufactured according to our ISO 2768 medium

standard. We can also work to even tighter tolerances, such as ± 0.025 millimeters or ± 0.001

inches, when an engineering drawing specifies critical features.

Applications of CNC Turning

Turning, a manufacturing process known for producing rotational, axi-symmetric parts, boasts the

capability to create components with intricate features such as holes, grooves, threads, tapers,

and contoured surfaces.

This method is particularly adept at fashioning limited-quantity items, notably custom-designed

shafts and fasteners used in prototypes. Moreover, turning serves as a valuable secondary process

to enhance or add features to parts manufactured through alternative methods.

Examples of products crafted through turning include camshafts, crankshafts, baseball bats, bowls,

cue sticks, signboards, musical instruments, as well as table and chair legs.

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FAQ's

1. What are your tolerances for machined parts?

Our machined parts adhere to precision standards, featuring +.005”/- .005” local tolerances across

most metal geometries and +/- 0.010" for plastics. It's worth noting that tolerances may vary for

larger parts, especially with considerations for flatness post heat treatment.

An "As Milled" finish for CNC parts requires a minimum surface finish of 125. Fabricated parts

maintain a 0.010” dimensional tolerance and a 1° angular tolerance. Tapped holes not explicitly

labeled as features in the CAD model may be machined based on the specified diameters.

Crucially, surface treatments such as anodizing, bead blasting, iriditing, powder coating, etc.,

will only be applied upon explicit payment and acknowledgment.

2. Why choose CNC machining?

The decision to leverage CNC machining is driven by its attributes of speed, accuracy, and versatility.

This manufacturing solution excels in delivering end-use parts across different volumes with notable

efficiency, eliminating the need for substantial investments in hard tooling or intricate set-ups.

3. Can I use my own material for production?

You have the flexibility to use your own material for production, as long as it meets the requirements

of our machine capabilities.

4. What type of surface finishes does provide?

We provide an extensive selection of finishing services to achieve the desired look and feel for your

parts. Our offerings include treatments for metal, texturing for plastic injection mold tools, painting

for both metal and plastic, and various other options. Explore our blog to learn how to specify the

surface texture you want.