Custom Made CNC Machining Milling Spare Parts Stainless Steel CNC Machining

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CNC, short for computer numerical control, defines a machining process driven by computer

commands. This technology enables faster, more accurate, and intricate part production compared

to manual methods.

CNC machining reduces reliance on manual labor while enhancing precision and complexity.

Although humans are vital for programming and machine operation, the physical machining tasks

are automated. This synergy between human expertise and computer-driven automation ensures

seamless and efficient operations.

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Virtually any sturdy and solid material can be subjected to CNC machining, including mild and

stainless steels, aluminum, brass, copper, magnesium, titanium, and a wide array of engineering

plastics.

Post-processing and surface finishes for CNC machining

CNC-machined parts as they emerge from the machine often exhibit visible tool marks, a feature

that may not align with your specific part requirements.

Fortunately, there exists a multitude of post-processing techniques aimed at enhancing the surface

appearance and elevating attributes such as wear resistance, corrosion resistance, and chemical

resistance.

Methods like anodizing, bead blasting, and powder coating present viable options for refining the

final presentation of your custom parts, allowing you to achieve the desired surface quality and

performance characteristics.

Specialist Industries

The versatility of CNC machining is evident as it permeates numerous industries, including

aerospace, automotive, consumer electronics, robotics, and agriculture, where the demand for

precision metal parts is high.

Additionally, CNC machining is a cornerstone in the production processes of medical devices,

household goods, and various consumer applications. Its reach extends further into sectors like

energy and oil and gas, establishing CNC machining as an omnipresent and fundamental

manufacturing method on a global scale.

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FAQ's

1. What cosmetic standards do you guarantee?

Ensuring high-quality finishes, all CNC machined parts undergo standard deburring and

edge-breaking procedures. Critical edges requiring a sharp finish must be explicitly highlighted in

technical drawings.

Surfaces are guaranteed to be free from defects such as scratches, dents, stains, blemishes,

hanging marks, and minor imperfections. Specifically, critical surfaces (primary (a) side, per

technical drawings) will be devoid of mill steps and other marks. On the secondary (b) side,

minor hanging marks and up to 2 minor defects are considered acceptable.

To further enhance surface quality, visual appeal, and wear resistance, a variety of post-processing

and finishing methods can be applied to CNC machined parts.

2. How much does CNC machining cost?

The cost of CNC machining hinges on factors such as complexity, quantity, and lead time.

For an accurate cost estimate, we recommend submitting a 3D CAD model to receive an interactive

quote along with design for manufacturability (DFM) feedback.

Thanks to our proprietary software and automated fixturing processes, upfront non-recurring

engineering (NRE) costs are eliminated. This makes CNC machining economically viable for

quantities ranging from 1 to 200 parts. While prices may align or slightly exceed those of 3D

printing, CNC machining offers superior material properties and surface finishes.

3. What are your tolerances for machined parts?

Our standards for machined parts encompass +.005”/- .005” local tolerances across most metal

geometries and +/- 0.010" for plastics. Notably, these tolerances may vary for larger parts,

particularly concerning flatness after heat treatment.

Achieving an "As Milled" finish for CNC parts necessitates a minimum surface finish of 125.

Fabricated parts adhere to a 0.010” dimensional tolerance and a 1° angular tolerance.

Tapped holes not explicitly marked as features in the CAD model may be machined according

to the specified diameters. Importantly, surface treatments, including anodization, bead blasting,

iriditing, powder coating, etc., will only be applied if explicitly paid for and acknowledged.