CNC Machining

SERVICE

CNC Machining

Prolean offers high-precision CNC machining services with quick turnarounds. With our state-of-the-art multi-axis CNC machinery, we manufacture intricate parts with unmatched precision and accuracy. Our flexible facilities are capable of prototype machining as well as manufacturing end products in larger volumes. At Prolean, we believe in providing a comprehensive solution. Just send us your designs, and we’ll take care of the manufacturing.

Our CNC machining capabilities include multi-axis machining, milling, turning, and turn-milling for an extensive range of metals and plastics. There are many reasons why Prolean is the best choice when it comes to all your CNC machining needs:

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PRO-LEAN CNC MACHINING

At Prolean, we believe in providing a comprehensive solution. Just send us your designs, and we’ll take care of the manufacturing. Our CNC machining capabilities include multi-axis machining, milling, turning, and turn-milling for an extensive range of metals and plastics. There are many reasons why Prolean is the best choice when it comes to all your CNC machining needs.

Quality Assurance

Competitive Pricing

Timely Delivery

High Precision

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What is CNC Machining?

Computer Numerical Control (CNC) machining is ubiquitous in the modern manufacturing industry. The process uses a computer program to control cutting tools to manufactures high-precision products that might be difficult to produce manually. Today, different types of CNC machines with functions like milling, turning, and combined milling and turning are crucial in the manufacturing of hardware products. Manufacturers also use CNC machines with plasma cutter, laser cutter and EDM (Electric Discharge Machining) to manufacture products.

1. Suitable for moderate volume demands and varying designs. 2. Compatible with numerous materials- metals, plastics, wood, glass, etc. 3. High-precision complex parts for aerospace, transportation, medical, defense, and petroleum industries. 4. Cheaper and more feasible than injection molding in many cases. 5. Reasonably low per-product cost.

Quality Assured:

Dimension Reports

On-time Delivery

Material Certificates

Tolerances: +/- 0.05mm or better on request.

CNC Machining Service

CNC Milling

three-axis and multi-axis CNC machining. Prolean offers precision milling services using best-in-class CNC mills.

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CNC Turning

CNC turning is a process of manufacturing parts out of bars. Bars of material…

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Milling & Turning Combination

Also called turn-milling, this process is a new addition to the CNC machining area and…

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Swiss Turning

A Swiss-type lathes is usually used for small, long, and complicated mechanical parts.

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What Materials Are Available For CNC Machining?

Aluminum	Steel	Stainless Steel	Other Metals	Plastics
Al6061	1018	303	Titanium Ti-6Al-4V (TC4)	ABS
Al6063	1045	304	Brass C360	PP
Al6082	A36	306	Brass C2680	POM-M, POM-C
Al7075	D2	316	Alloy steel 4140	PC
Al2024	A2	410	Alloy Steel 4340	PEEK
Al5083	20Cr	17-4	Copper C110	HDPE

Prolean offers a wide variety of materials for CNC Machining including both metals and plastics. Please see the list for a sample of the materials we work with. If you require a material not in this list, please do get in touch as it is likely we can source it for you.

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Surface Finishes Options for CNC Machining

As Machined

Our standard finish is an “as machined” finish. It has a surface roughness of 3.2 μm (126 μin). All sharp edges are removed and parts are deburred. Tool marks are visible.

Smooth machining

A finishing CNC machining operation can be applied to the part to reduce its surface roughness. The standard smoothing surface roughness (Ra) is 1.6 μm (64 μin). Machine marks are less evident but still visible.

Brushing

Brushing is produced by polishing the metal with grit resulting in a unidirectional satin finish. Not advisable for applications where corrosion resistance is required.

Passivation

Passivation is a treatment method to protect the metal from corroding, it generates a more uniform formation of a passive surface that is less likely to react with air and cause corrosion chemically.

Anodizing hardcoat

Type III anodizing provides excellent corrosion and wear resistance, suitable for functional applications.

Electropolishing

Electropolishing is an electrochemical process used to polish, passivate and deburr metal parts. It is useful to reduce surface roughness.

Alodine/Chemfilm

Chromate conversion coating（Alodine/Chemfilm） is used to increase the corrosion resistance of metal alloys while maintaining their conductive properties.

Bead blasting

Bead blasting adds a uniform matte or satin surface finish on a machined part, removing the tool marks. This is used mainly for visual purposes and comes in several different grits which indicate the size of the bombarding pellets.

Powder Coating

Powder coating is a strong, wear-resistant finish that is compatible with all metal materials and can be combined with bead blasting to create parts with smooth and uniform surfaces and excellent corrosion resistance.

Black Oxide

Black oxide is a conversion coating used to improve corrosion resistance and minimize light reflection.

Here is a list of standard surface finishes. For custom surface finishes or other surface finish options, please check our surface treatment service

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Choose The Right Finish For Your Material

Different surface finishes can be applied to different materials. Find below a quick cheat sheet of surface finish and material compatibility.

Name	Material Compatibility
Smooth machining (1.6 Ra μm/64 Ra μin)	All plastics and metals
Bead blasting	All metals
Powder coating	All metals
Anodizing clear (type II)	Aluminum alloys
Anodizing color (type II)	Aluminum alloys
Anodizing hardcoat (type III)	Aluminum alloys
Brushing + Electropolishing (0.8 Ra μm/32 Ra μin)	All metals
Black oxide	Stainless steel and copper alloys
Chromate conversion coating	Aluminum and Copper alloys
Brushing	All metals

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If the Material and finishing you need are not one of the above, please feel free to contact us for more available.

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