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CNC Swiss Machined Shafts

-- Steady & Reliable Manufacturer --

Introduction

Titanium alloy parts represent the pinnacle of high-performance manufacturing, standing at the intersection of advanced materials science and precision engineering. At Xierge Precision, we specialize in transforming this demanding material into highly accurate, application-ready components that meet the strict requirements of modern high-end industries. Titanium alloys are widely recognized for their exceptional combination of properties, but their machinability presents significant challenges that require deep technical expertise and carefully controlled production processes.

One of the primary difficulties in titanium machining is its poor thermal conductivity. During cutting, heat tends to concentrate at the tool edge rather than dissipating through the workpiece, leading to rapid tool wear and potential deformation of both tool and material. In addition, titanium’s high chemical reactivity at elevated temperatures can accelerate tool degradation, making conventional machining strategies ineffective. At Xierge Precision, we address these issues through rigid machine setups that maximize stability and minimize vibration, ensuring consistent cutting performance even under demanding conditions.

Another challenge lies in titanium’s inherent elasticity and strength. Unlike more brittle metals, titanium tends to spring back during machining, which can affect dimensional accuracy and surface finish. To overcome this, we employ optimized cutting parameters, including carefully selected feed rates, spindle speeds, and tool geometries tailored specifically for titanium alloys. Our engineering team continuously refines these parameters based on real-time feedback and accumulated process data, allowing us to maintain tight tolerances and superior surface quality across complex geometries.

Cooling strategy is also a critical factor in titanium machining. Because of the heat concentration during cutting, effective cooling is essential to extend tool life and maintain part integrity. At Xierge Precision, we utilize advanced cooling techniques, including high-pressure coolant delivery systems that directly target the cutting zone. This not only reduces thermal buildup but also improves chip evacuation, preventing re-cutting of chips and further enhancing machining stability. In some cases, we also integrate specialized lubricants designed for high-temperature alloy processing to further improve efficiency.

Titanium alloys are highly valued in industries where performance, reliability, and safety are non-negotiable. One of the most prominent application areas is the aerospace sector, where titanium is used in structural components, engine parts, and fasteners due to its outstanding strength-to-weight ratio. Titanium offers the strength of steel at nearly half the weight, making it an ideal material for reducing aircraft weight while maintaining structural integrity and fuel efficiency. This advantage directly contributes to improved performance, longer range, and reduced operational costs for aerospace systems.

In the medical field, titanium’s excellent biocompatibility makes it a preferred material for implants, surgical instruments, and prosthetic devices. It is non-toxic, corrosion-resistant, and capable of integrating well with human bone tissue, which is essential for long-term implantation success. At Xierge Precision, we produce medical-grade titanium components that meet stringent regulatory and quality standards, ensuring both safety and reliability for critical healthcare applications.

Beyond aerospace and medical engineering, titanium alloys are also increasingly used in high-performance automotive, marine, and chemical processing industries, where durability and resistance to extreme environments are required. Xierge Precision supports these sectors by delivering custom-machined titanium solutions tailored to specific engineering requirements, whether for prototyping, small-batch production, or large-scale manufacturing.

Through a combination of advanced machining technology, process optimization, and strict quality control, Xierge Precision continues to push the boundaries of what is possible with titanium alloy parts. Our commitment to precision and innovation ensures that every component we produce meets the highest standards of performance, reliability, and consistency, reinforcing titanium’s role as a truly premium engineering material in modern manufacturing.

High-Precision CNC Swiss Machined Shafts for Demanding Industries

At Xierge Precision Machinery Co., Ltd., we leverage over 30 years of operational expertise to manufacture premium CNC Swiss Machined Shafts for the automotive, medical, machinery, and home appliance industries. Established in 1990, our company understands that shaft components require exceptional dimensional stability, superior surface finishes, and perfect concentricity to function reliably in high-speed or high-load environments.

Our production facility is heavily equipped with Japanese imported Star CNC Swiss-type lathes. This specialized equipment feeds the bar stock through a guide bushing, allowing the cutting tool to operate precisely near the support point. This method is crucial for machining long, slender, and complex shaft geometries with high length-to-diameter ratios, virtually eliminating deflection, vibration, and "banana" effects. Furthermore, our multi-axis machining centers and precision grinders enable us to complete complex features—such as cross holes, keyways, and micro-threads—in a single setup.

Following our core principle of "Integrity Oriented, Quality Foremost," we exclusively adopt premium raw materials, including stainless steel, alloy steel, and titanium. We apply strict quality inspections using a complete set of testing instruments imported from Japan and Germany, ensuring that every shaft delivers reliable, long-lasting performance. We keep innovating to maintain sound business development and warmly welcome domestic and overseas clients to visit our factory and explore custom OEM/ODM cooperation opportunities.

CNC Swiss Machined Shafts Technical Specifications

Processing Method CNC Swiss-Type Turning (Star Lathes), CNC Milling, Cylindrical Grinding
Diameter Range 1.0mm to 32mm (Standard Swiss); Up to 80mm (CNC Turning Centers)
Max Machining Length Up to 1000mm (Depending on diameter and geometry)
Diameter Tolerance ±0.002mm to ±0.005mm
Geometric Tolerances Concentricity/Coaxiality: 0.005mm; Straightness: 0.005mm/100mm
Common Materials SUS303/304/316/17-4PH, Titanium (TC4/Gr5), 12L14, 1045, 42CrMo, Aluminum 6061/7075
Surface Roughness (Ra) Turned: Ra 0.8; Ground Journals: Ra 0.2 - Ra 0.4
Secondary Operations Cross-hole Drilling, Milling Flats/Keyways, Threading, Heat Treatment, Surface Plating
Inspection Equipment Mitutoyo/Zeiss CMM, Roundness Testers, Optical Comparators, Microscopes

Core Advantages of Xierge Swiss Machined Shafts

  • Zero-Deflection Swiss Turning: Utilizing Japanese imported Star CNC Swiss-type lathes, we expertly machine long, slender shafts with high length-to-diameter ratios, completely eliminating bending and vibration issues.
  • Extreme Concentricity & Straightness: The guide bushing technology ensures that multi-diameter shafts maintain ultra-tight concentricity (0.005mm) and straightness across the entire length.
  • Complete Machining in One Setup: Our live-tooling capabilities allow us to turn, mill, drill cross-holes, and thread shafts in a single operation, drastically reducing handling errors and lead times.
  • High-Precision Grinding Integration: For applications requiring hardened shafts, our facility is equipped with advanced cylindrical grinders to achieve micro-tolerances and mirror-like surface finishes (Ra 0.2) post-heat treatment.
  • Premium Material Selection: We strictly source certified materials suitable for medical implants, automotive transmissions, and precision machinery, ensuring structural integrity and fatigue resistance.
  • Imported Metrology Assurance: Our strict quality inspection process relies on a complete set of Japanese and German imported testing instruments, guaranteeing 100% dimensional compliance.
  • 30+ Years of Custom OEM/ODM: Since 1990, we have continuously innovated our processes, allowing us to seamlessly transition your custom shaft designs from rapid prototyping to high-volume mass production.

Payment Methods & Global Logistics Solutions

Secure International Payment Terms:

To facilitate seamless global trade, we offer highly flexible and secure payment options. For mass production orders of CNC machined shafts, we accept standard T/T (Telegraphic Transfer) with a 30% advance deposit and 70% balance before shipment. For large-scale international supply contracts, we are fully capable of processing Irrevocable Letters of Credit (L/C) at sight. For initial prototyping, sample orders, or custom tooling fees, PayPal and Western Union are also available to expedite the process.

Global Logistics & Protective Packaging:

We provide comprehensive end-to-end shipping solutions under FOB, CIF, and DAP Incoterms. For urgent prototypes or small batches, we utilize expedited international couriers such as DHL, FedEx, and UPS. For bulk mass production, we offer highly competitive sea freight (LCL/FCL) and air cargo rates through our trusted global forwarder network. Recognizing that precision shafts are highly susceptible to bending and corrosion during transit, we utilize specialized packaging: each shaft is individually wrapped in VCI (Volatile Corrosion Inhibitor) anti-rust paper, secured in custom rigid cardboard tubes or EPE foam slots, and packed in sturdy export-grade wooden cases to ensure zero deformation upon arrival.

FAQ

1. What is the primary advantage of using Swiss-type CNC lathes for manufacturing long shafts compared to conventional CNC turning?

Swiss-type CNC lathes feed the bar stock through a guide bushing, allowing the cutting tool to operate directly adjacent to the bushing. This provides continuous support to the workpiece, virtually eliminating deflection. Consequently, we can machine long, slender shafts with high length-to-diameter ratios while maintaining extreme straightness, tight tolerances, and excellent surface finishes—something conventional CNC lathes struggle to achieve without steady rests.

2. Can you machine complex features like cross-holes and flats on the shafts without compromising concentricity?

Yes. Our Star CNC Swiss-type lathes are equipped with live tooling and multi-axis capabilities. This allows us to perform axial and radial drilling, milling of flats, and threading operations directly on the machine in a single setup. Because the part does not need to be transferred to a secondary machine, we maintain perfect concentricity and geometric tolerances.

3. How do you handle the machining of hardened steel shafts that require post-heat treatment precision?

For hardened steel shafts (e.g., HRC 55+), we employ a two-stage process. First, we perform rough turning on the Swiss lathe, leaving a small grinding allowance. After the heat treatment process, we utilize our precision cylindrical grinders to remove the allowance. This ensures the final dimensions, surface roughness (Ra 0.2), and geometric tolerances meet strict automotive and machinery standards without tool chattering.

4. What materials are best suited for medical-grade machined shafts?

For medical applications, we highly recommend materials like 17-4PH stainless steel, 316LVM surgical stainless steel, and Titanium Grade 5 (Ti-6Al-4V). These materials offer excellent biocompatibility, high corrosion resistance, and superior mechanical strength. We have mature processing parameters for all these exotic materials.

5. How do you prevent residual stress from causing shaft deformation after machining?

To manage residual stress, especially in long shafts, we optimize our cutting parameters to reduce heat generation. For highly critical applications, we can incorporate stress-relief annealing processes between rough and finish machining operations. Our imported German and Japanese metrology equipment also allows us to precisely measure and verify straightness post-machining.

6. How do you ensure absolute cleanliness for shafts used in hydraulic or medical assemblies?

Cleanliness is vital for these industries. After machining and deburring, all shafts pass through our dedicated industrial cleaning machines using ultrasonic technology. This process removes all cutting fluids, micro-burrs, and metal dust from threads and cross-holes. They are then immediately vacuum-sealed in a clean environment to maintain pristine condition.

Xierge Precision Machinery Co.,Ltd.
Xierge Precision Machinery Co., Ltd.

Our company was established in 1990, with over 30 years of operational experience.
We specialize in the production of precision and general hardware parts, supplying supporting components for the automotive, machinery, medical, home appliance, and other industries.
We are well-equipped with Japanese imported Star CNC Swiss-type lathes, domestic CNC lathes, machining centers, grinders, cleaning machines, and other production equipment. Our complete set of testing instruments is imported from Japan and Germany. Drawing on more than 30 years of expertise, we operate with integrity, keep innovating, and maintain sound business development.
Following the principle of Integrity Oriented, Quality Foremost, we adopt premium raw materials and apply strict quality inspection to ensure reliable product performance.
We warmly welcome domestic and overseas clients to visit our factory and explore cooperation opportunities.

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Certificates We’Re An Approved
Innovative Company
  • IATF 16949:2016
  • GB/T 19001-2016/ISO 9001:2015
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