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CNC TURNING • HIGH-PRECISION CYLINDRICAL TURNING

Precision CNC Turning & Swiss Lathe Services

Live Tooling Multi-Axis Lathes & Swiss Screw Machining for Complex Rotational Components.

High-precision CNC turning and mill-turn operations producing concentric shafts, threaded fittings, bushings, and precision valve stems. Our dual-spindle live tooling lathes complete turning, milling, cross-drilling, and tapping in a single setup.

±0.003mm Concentricity & Runout
Swiss Lathe Micro-Turning from Ø0.5mm
Dual-Spindle Live Tooling Lathes

Industrial Manufacturing for Precision CNC Turning & Swiss Lathe Services

JYH Prototype combines 100+ precision machining centers, automated inspection, and in-depth metallurgy expertise to deliver components that meet the strictest international engineering tolerances and quality standards.

Dual Spindle Lathes

Simultaneous front and back-working spindles for single-setup complete part machining.

Swiss Micro-Turning

Sliding-headstock Swiss machines for micro-diameter pins, needles, and medical connectors.

Rigid Live Tooling

Milling flats, keyways, hex profiles, and angled cross-holes without second operations.

Optical Shaft Scanning

Non-contact optical micrometer verification of runout, diameters, and threads.

Engineering Focus: Precision CNC Turning & Swiss Lathe Services

Four critical manufacturing challenges solved by our Shenzhen factory engineering team through advanced machinery, smart toolpaths, and verified metrology protocols.

Multi-Spindle Twin-Turret Turn-Mill Operations 500 × 500 HD Natural

Multi-Spindle Twin-Turret Turn-Mill Operations

By integrating Y-axis live milling with synchronized sub-spindles, we eliminate part re-clamping and guarantee total indicated runout (TIR) within 0.005mm.

  • Machined with calibrated multi-axis kinematics minimizing tool deflection
  • GD&T true position inspected within ±0.005mm using automated CMM
  • Full material mill certs, heat treat data, and FAI documentation provided
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Swiss-Type Lathe Micro-Machining for Medical Connectors 500 × 500 HD Natural

Swiss-Type Lathe Micro-Machining for Medical Connectors

Guide bushing Swiss turning of ultra-small components (Ø0.5mm to Ø25mm) with micro-tolerances down to ±0.002mm in titanium and surgical stainless 316LVM.

  • Machined with calibrated multi-axis kinematics minimizing tool deflection
  • GD&T true position inspected within ±0.005mm using automated CMM
  • Full material mill certs, heat treat data, and FAI documentation provided
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Precision Single-Point Threading & Diamond Burnishing 500 × 500 HD Natural

Precision Single-Point Threading & Diamond Burnishing

CNC programmed single-point threading for custom metric, UN, ACME, and multi-start threads, complemented by roller burnishing for Ra 0.2µm seal seats.

  • Machined with calibrated multi-axis kinematics minimizing tool deflection
  • GD&T true position inspected within ±0.005mm using automated CMM
  • Full material mill certs, heat treat data, and FAI documentation provided
Request Quotation for Similar Geometry
Deep Internal Boring & High-Precision Concentric Sleeves 500 × 500 HD Natural

Deep Internal Boring & High-Precision Concentric Sleeves

Anti-vibration carbide boring bars ensure chattering-free internal finishes and strict cylindricity on hydraulic sleeves, cylinder liners, and bearing housings.

  • Machined with calibrated multi-axis kinematics minimizing tool deflection
  • GD&T true position inspected within ±0.005mm using automated CMM
  • Full material mill certs, heat treat data, and FAI documentation provided
Request Quotation for Similar Geometry

Capabilities & Quality Protocols

Every part manufactured at JYH Prototype adheres to international engineering standards and rigorous metrology protocols.

Technical & Machine Capabilities

  • Turning diameters from Ø0.5mm up to Ø500mm
  • Maximum turned length up to 1,000mm between centers
  • Y-axis live tooling with 12-station powered turrets
  • Bar feeders up to Ø65mm capacity for high-volume automated production

Metrology & Quality Assurance

  • Zeiss PRISMO 3D CMM Metrology with scanning resolution down to 0.9µm
  • Keyence Optical Non-Contact Flash Measuring System for micro-features
  • XRF Spectrometry for raw metal alloy composition verification
  • AS9102 Form 1, Form 2, and Form 3 First Article Inspection (FAI) packages

Ready to Prototype or Scale Precision CNC Turning & Swiss Lathe Services?

Upload your 3D CAD models (.STEP, .IGES, .SLDPRT, .X_T) or 2D technical drawings (.PDF, .DWG) to receive an interactive quote with comprehensive Design for Manufacturability (DFM) feedback in under 2 hours.

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Frequently Asked Questions

Common engineering questions regarding tolerances, material traceability, and turnaround for Precision CNC Turning & Swiss Lathe Services.

What is the advantage of live tooling on your CNC lathes? +
Live tooling allows our lathes to mill cross holes, hex flats, keyways, and off-center slots directly on the turned part without requiring a second milling setup, saving cost and eliminating re-chucking runout.
Can you produce micro parts for medical and electronics? +
Yes. Our Swiss-type CNC lathes specialize in parts from Ø0.5mm to Ø25mm, maintaining ±0.002mm tolerances on delicate pins, screws, and probe housings.
Do you provide knurling and specialty threading? +
We execute diamond and straight knurling, internal/external ACME threads, buttress threads, and custom lead screws with 100% thread gauge verification.
What surface finishes are standard for turned components? +
Standard turned finish is Ra 1.6µm. We can achieve Ra 0.4µm to 0.2µm using diamond burnishing or fine finish diamond inserts.
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