Swiss Turning

CNC Machining

SERVICE

Swiss Turning

Prolean’s Swiss Turning services focus on manufacturing high-precision complex parts

with competitive prices in quantities ranging from small batches of prototypes to full

production runs.

Our swiss machines are capable of producing extremely small parts with extreme

precision. Therefore, it is the best machining approach if you need parts with a

diameter of less than 1.25”.

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Quality Assurance

Competitive Pricing

Timely Delivery

High Precision

What is Swiss Turning?

Swiss machine features a movable headstock where the work- bar gets attached for the turning in a collet or chuck, depending upon the size. If the bar is very tiny, the collet can

attach it with a great degree of stability with the help of guide bushing. As a result, the bar stock is not exposed directly to the lathe bed and turning tooling, allowing the material

to be turned quickly and securely inside the machine without deflection. You can also check our latest blog about swiss turning for more information

Swiss-turned Components: Swiss-turned components are extremely accurate and conform to the strictest of tolerances. The swiss turning machining is capable of high volume

production. Our common un volume ranges from 10-250,00 pieces

Quality Assured:

Dimension Reports

On-time Delivery

Material Certificates

Tolerances: +/- 0.05mm or better on request.Ra: 0.8 μm

What Materials Are Available For Swiss Turning?

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

Prolean offers a wide variety of materials for CNC Swiss Turning. Please see the list for a sample of the materials we work with.

If you require material, not on 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.

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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