swiss turning

Unmatched Precision & Efficiency

Swiss turning is the gold standard for high-precision cylindrical components — and for good reason. The guide bushing design is fundamentally different from conventional CNC turning: rather than gripping the workpiece at a fixed point, the bushing supports the bar stock immediately adjacent to the cutting zone, virtually eliminating deflection regardless of part length or slenderness ratio. The result is consistent, repeatable precision that conventional lathes simply cannot achieve on complex, tight-tolerance parts.

At PGI, our Swiss turning department runs automatic bar feeders that keep our machines cutting around the clock. Live tooling and sub-spindle capabilities allow us to fully complete a part — turning, milling, drilling, threading, and back-side operations — in a single uninterrupted cycle. This isn’t just efficient; it eliminates the tolerance stack-up and handling risk that comes with multiple setups, delivering a more precise and consistent finished component.

Whether you need a production run of 250 pieces or a high volume order of 50,000, our Swiss department is built to scale without sacrificing the precision your application demands.

Materials We Work With

PGI’s Swiss turning department regularly machines a wide variety of materials including:

• Carbon and alloy steels
• Stainless steel (303, 304, 316, 17-4)
• Aluminum
• Brass and bronze
• Plastics and engineered polymers

Industries Served

Our Swiss turned components serve customers across diverse industries, including aerospace, defense, medical devices, automotive, hydraulics, and industrial equipment manufacturing. PGI serves manufacturers across the continental United States with a strong customer base on the east coast.

Capabilities

• Diameter, Bar Stock: .062 to .812″
• Tolerance: ±.0001″
• Volume: Small batch to high volume production
• Bar feeders: Automatic bar loading for continuous production
• Live tooling: Milling, drilling, cross-drilling in single setup
• Sub-spindle: Complete back side machining in one cycle

Value-Add Services

What truly sets PGI apart is our ability to complete your component entirely in-house. After Swiss turning, parts requiring ground surfaces or tight diameter tolerances can move directly to our precision grinding department — no shipping to an outside vendor, no added lead time, no tolerance risk from handling. Our centerless, OD, and ID grinding capabilities complement our Swiss turning department perfectly, making PGI a genuine one-stop solution for complex precision components.

Beyond grinding, PGI’s extensive network of trusted partners covers every remaining finishing requirement under one purchase order — including heat treating, plating, anodizing, and surface finishing. From raw bar stock to fully finished, inspected component, PGI manages the entire process so you don’t have to.

Ready to Get Started?

Contact PGI today to discuss your Swiss turning requirements. Submit your drawings directly through our quote request form and our engineering team will respond promptly with a competitive quote.

Call us: 864.220.5333 Email: info@precision-grinding.com