CNC Precision Components Manufacturer Custom Steel Part Turning CNC

Machining Service

CNC machining represents the predominant subtractive manufacturing technology in

contemporary industrial processes. It stands as an exceptionally flexible and robust method

for the production of tailor-made metal and plastic parts.

Leveraging CAD models, CNC machines execute precise material removal from solid blocks

through a diverse range of cutting tools.

In essence, CNC machining yields components characterized by precise tolerances and

remarkable material properties. Its applicability spans from individual projects to low-to-medium

volume production runs (up to 1,000 parts), primarily due to its exceptional repeatability.

Nevertheless, it is important to acknowledge that CNC machining entails specific design

constraints, partly attributed to its subtractive nature, setting it apart from 3D printing.

Product Details

CNC milling encompasses a wide range of materials, with three main categories: plastics, soft

metals, and hard metals. These materials are versatile and suitable for various machining

applications.

Examples of materials used in CNC milling include aluminum, bronze, copper, ceramics, plywood,

various types of steel, stone, wood, and zinc, among others.

Certain materials, such as aluminum and mild steel, are favored by machinists due to their ease

of workability and excellent properties, making them industry standards for many applications.

Specialist Industries

CNC machining is a go-to manufacturing process to get precision parts, whether for prototyping or

end-use production.

It is widely used throughout the aerospace, medical, automotive industries for its ability to rapidly

manufacture precise parts in production-grade materials, such as:

1. housings and enclosures
2. brackets
3. fixtures for manufacturing
4. gears and bearings
5. internal mechanical components
6. medical instrumentation

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FAQ's

1. A quick guide to CNC machining parameters

Many of the crucial machining parameters are established by the machine operator during the

generation of G-code. Among the primary parameters we will discuss are the CNC machine's build

size and its precision.

CNC machines are equipped with a relatively spacious build area, particularly when compared to

3D printers. CNC milling systems are capable of machining parts with dimensions of up to

2,000 x 800 x 100 mm (78” x 32” x 40”), while CNC turning systems excel at machining parts

with diameters reaching up to Ø 500 mm (Ø 20’’).

CNC machining empowers the creation of components with exceptional accuracy and stringent

tolerances. These machines are capable of achieving tolerances even finer than half the diameter

of an average human hair, with a precision of ± 0.025 mm or .001’’.

In cases where tolerances are not explicitly specified in the technical drawings, operators typically

machine the part with an accuracy of 0.125 mm (.005’’).

2. How much do CNC machining materials cost?

The cost of materials in CNC machining can fluctuate significantly due to the extensive array of

available options. Each material carries its unique price tag, and the inherent physical properties

of each material play a substantial role in determining machining costs.

For those seeking to manufacture metal components, Aluminum 6061 stands out as the most

cost-effective choice. On the other hand, ABS ranks as the most budget-friendly option among

materials.

As for the influence of machining complexity on costs, stainless steel serves as an illustrative

example. Its inherent hardness, surpassing that of aluminum, renders it more challenging to

machine, consequently elevating the overall machining expenses.

3. What's the general surface texture of CNC milled and turned parts?

In the realm of CNC machining, as-machined milled parts typically exhibit a surface roughness

of approximately 3.2μm (or 1.6μm in the case of relatively new machines).

On the other hand, when it comes to turned parts, we can achieve a smoother surface with a

roughness of 0.8μm. This means that machining speed adjustments are not necessary to attain

this level of surface finish.