Swiss Machining Services

Swiss machining services for small-diameter precision parts with tolerances

Tight Tolerances to ±0.001" or Better
Swiss-Type Machining for Small, Complex Parts
Excellent Surface Finishes & Consistent Part Quality

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Precision Parts By Swiss Type Machining Compressed

Custom Swiss Machining Services for Precision Components

As an experienced Swiss machine shop, 3ERP provides custom Swiss CNC machining services for precision components across medical, aerospace, electronics, and advanced engineering industries. We manufacture parts from materials including aluminum, stainless steel, titanium, brass, and engineering plastics, supporting projects from prototypes to production runs.

Our Swiss machining capabilities are backed by an ISO 9001 certified quality management system, ensuring consistent performance and reliable part quality. These capabilities are part of our comprehensive CNC machining services for demanding applications.

What is Swiss Machining?

Swiss machining, also known as Swiss-type CNC machining, is a specialized turning process for producing miniature components, typically ranging from 0.5 mm to 38 mm (0.02" to 1.5") in diameter. It is especially effective for parts with high length-to-diameter ratios, thin walls, and intricate geometries where conventional turning may struggle.

Using a sliding headstock and guide bushing system, Swiss machines support the material close to the cutting zone, reducing vibration and deflection for improved accuracy and surface quality. Common applications include screws, shafts, pins, bushings, and connectors.

How Do Swiss Screw Machines Work Compressed

Swiss CNC Machining Materials

Almost any material suitable for conventional turning or milling can also be processed through Swiss CNC machining. We work with a wide range of metals and engineering plastics to produce reliable precision components for demanding applications.

Stainless Steel

Grades such as 303, 304, 316, and 316L offer excellent strength, corrosion resistance, and durability. 303 stainless steel is widely selected for applications requiring good machinability, tight tolerances, and smooth finishes.

Aluminum

Aluminum alloys including 6061, 7075, and 2024 offer lightweight strength, good machinability, and excellent dimensional stability. 6061 and 7075 aluminum are commonly processed through Swiss CNC machining for aerospace parts, electronic components, and structural applications.

Brass

Brass grades such as C360, C353, and C464 feature excellent cutting performance, electrical conductivity, and smooth finishing characteristics. C360 brass is frequently selected for Swiss-machined parts requiring intricate geometries and reliable production efficiency.

Copper

Copper alloys including C101 and C110 provide outstanding thermal and electrical conductivity. C110 copper is commonly machined into connectors, contacts, and Swiss machined components where consistent performance and dimensional accuracy are required.

Titanium

Titanium Titanium grades such as Grade 2 and Grade 5 (Ti-6Al-4V) combine high strength, low weight, and excellent biocompatibility. Grade 5 titanium is commonly used in Swiss-type machining for aerospace, medical, and high-performance applications.

Bytcrush 934255a8 104f 4f5f 8c65 9199e3e9d3b4 Hardened Tool Steel Blocks Wire Edm Compressed

Carbon Steel

Carbon steel grades including 12L14, 1018, and 1045 provide reliable strength, wear resistance, and cost-effective processing.

Various Aluminum Alloy for Manufacturing

Alloy Steel

Alloy steels such as 4140, 4340, and 8620 offer enhanced toughness, fatigue resistance, and mechanical strength for demanding industrial environments.

PEEK

PEEK grades including Natural PEEK and PEEK GF30 deliver high-temperature performance, chemical stability, and excellent mechanical properties.

Delrin® (Acetal/POM)

Delrin® 150 and Acetal Copolymer offer low friction, dimensional stability, and wear resistance, making them suitable for precision plastic applications.

Nylon (PA)

Nylon grades including PA6, PA66, and Nylon 6/6 offer high impact strength, durability, and abrasion resistance. These materials are suitable for lightweight mechanical parts such as spacers, bushings, and custom machined components.

PTFE

PTFE grades including Virgin PTFE and Filled PTFE provide outstanding chemical stability, low friction, and temperature resistance. PTFE is commonly machined into seals, insulators, and specialized components for demanding industrial environments.

Custom aluminum extruded profiles in multiple colors and designs.

Swiss Machining Applications

Swiss machining combines advanced processes such as turning, cutting, form turning, threading, knurling, grooving, and drilling to produce high-precision components with small, complex geometries. These capabilities make it widely used in industries where precision, consistency, and reliability are essential for critical components.

Medical

Swiss machining produces complex medical components such as implants, surgical instruments, and bone screws. Its ability to machine titanium and stainless steel makes it ideal for durable, biocompatible medical devices.

Aerospace

Swiss machining enables the production of critical aerospace components, including hydraulic parts, fasteners, connectors, fuel system components, and other essential parts for flight control and structural systems.

Automotive

Swiss machining produces automotive components such as fuel injector parts, valve spools, small shafts, transmissions, and engine components for vehicle systems.

Watchmaking

Swiss machining, originally developed for watchmaking, produces miniature components such as gears, shafts, and mechanisms.

Benefits of Swiss Machining

Compared to other machining processes, Swiss machining offers distinctive advantages in:

High Precision for Small Parts

Guide bushing support minimizes vibration and enables micron-level accuracy. Swiss machining can significantly improve thread accuracy in demanding applications.

Stable Machining of Long Parts

Swiss turning is ideal when conventional lathes cannot maintain stability for long, small-diameter parts. It is especially effective for components with a high length-to-diameter (L/D) ratio, where traditional machining methods may experience excessive deflection.

Complete Parts in One Setup

Advanced Swiss machines integrate turning, milling, drilling, and threading to reduce secondary operations, improve efficiency, and maintain consistent quality.

Superior Surface Finish

Swiss machining achieves excellent surface quality, with demanding applications reaching finishes as fine as Ra 0.2 μm (8 μin) .

Cost-Effective High-Volume Production

For high-volume small parts, Swiss machining improves material utilization by up to 15% and can reduce overall production costs by over 20%.

A customer’s words mean more than ours see what our satisfied customers have said about how we fulfilled their requirements.

Thanks to 3ERP's 5-axis machining capabilities, we’re able to push the limits on our uprights and wheel package designs for maximum performance. Their bespoke and rapid manufacturing services allowed us to complete our project on time and ahead of schedule.

FSAE School of Engineering

My prototype from 3ERP arrived earlier than expected with outstanding quality. Their manufacturing standards and machining precision are impressive. They provided excellent customer service and clear communication. Highly recommended for high-quality prototype manufacturing.

Trent L.

3ERP delivered high-precision parts for our low-volume project with excellent lead time and competitive pricing. Communication with them was fast and helpful, and the team even provided useful design feedback. All parts worked perfectly. Highly recommended for precision manufacturing.

Sivan S.

3ERP was easy to work with and provided excellent communication throughout the process. The parts arrived 5 days earlier than promised with fast delivery and great quality. Highly reliable for precision parts manufacturing.

David M.

3ERP has been our top source for CNC parts. Even complex 5-axis CNC machining projects delivered excellent results. The team provides high-quality parts, fast production, anodizing and laser logo services, and reliable communication. Highly recommended.

T. J.

Outstanding experience with 3ERP for manufacturing and custom components. The team delivers high-quality products with fast production and excellent communication. Their expertise and reliability make them a trusted partner for precision manufacturing. Highly recommended.

Manuel. M.

FAQs

Swiss machining is ideal for small-diameter parts (<Ø5–10 mm), long and slender components, complex multi-feature parts, and high-volume production. For large parts, simple geometries, or early-stage prototypes requiring frequent design changes, conventional CNC turning or milling may provide a more cost-effective solution.

Lead times depend on part complexity, material, and order quantity. Prototype and low-volume projects typically require less time than production runs. Contact us with your project details and delivery requirements for an accurate estimate.

Yes. We offer various secondary processes, including deburring, polishing, anodizing, plating, heat treatment, passivation, and protective coatings to meet specific part requirements.