Precision CNC Turning Machining
We deliver professional precision CNC turning services to OEM manufacturers across multiple industries. Our precision CNC turning produces high-tolerance shafts, valve fittings, connector hardware and rotary mechanical components. Combined with our sheet metal fabrication capability, we supply complete machined assemblies for packaging machinery, robotic automation, fluid pump equipment, electronics and energy storage devices. We support prototype sampling and mass-volume production, offer reliable DFM suggestions, complete inspection documentation and fast quotations for all custom CNC turned parts.
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First-article mindset
Critical dimensions are marked on production travelers. We align inspection standards and measurement specifications with clients before machining starts.
Sensible tolerances
Overly tight tolerances increase cost and cycle time. Our quotation separates standard tolerances from high-precision work requiring slow feeds or precision grinding.
Predictable scheduling
Lead time windows are planned according to our real workshop workload. No unrealistic short-cycle commitments that lead to delivery delays.
CNC Turning Specifications
Our CNC turning & turn-mill services produce rotational components for new energy equipment, hydraulic & pump valves, robotic automation and packaging machinery. Below lists our machining range, precision capability and production conditions for prototype and batch orders.
| Parameter | Capacity Details |
|---|---|
| Turning Processes | Swiss-Style (Sliding Headstock) • CNC Turn-Mill (Live Tooling + Sub-Spindle) • Chucker / Bar-Fed Lathe |
| Max bar capacity (Swiss) | Ø65mm |
| Max swing / chuck dia. | Ø300mm |
| Max turning length | 510mm |
| Live tooling / C-axis / sub-spindle | Yes – driven tools, C-axis, second spindle for complex valve bodies, shaft components and automation fittings |
| Tightest tolerance | ±0.005 mm on critical sealing & mating surfaces • ±0.001 mm micro-precision upon request |
| Surface finish | down to Ra 0.2 μm off the lathe, ideal for hydraulic sealing parts without extra polishing |
| Concentricity / runout | held within 3 μm • L:D ratio up to 15:1, stable performance for rotary automation shafts |
| Spindle speed | up to 6000 rpm |
| Bar feed / lights-out | automatic bar feeders • unattended production for aluminum, steel and stainless steel parts |
| Volume range | 1-piece prototype → 50,000+ production • no MOQ |
| Inspection | Mitutoyo CMM • optical comparator • profilometer • thread plug/ring gauges for valve and fluid control components |
All precision specifications apply to rotational parts for pumps, fluid control valves, robotic assemblies and new energy equipment. The achievable dimension depends on part structure and material. Submit your engineering drawings to get a formal RFQ.
Material Drives The Cut - And We Know The Cut
Each material performs differently during CNC machining. The descriptions below reflect our practical processing experience for automation, pump & fluid control, new energy and packaging machinery components.
Stainless Steel
Work-hardens rapidly. We adopt stable heavy feed parameters to avoid surface hardening. Widely used for corrosion-resistant valve bodies, fluid pump shafts and new energy fluid modules.
GET A QUOTEAluminum Alloy
Excellent free-cutting material with high machining speed. Flood coolant prevents built-up edge. Ideal for automation brackets, equipment housings, pump bases and new energy structural parts.
GET A QUOTEBrass C360
Premium material for unattended CNC turning. Produces fine chips and supports high cutting speeds. Perfect for fluid fittings, valve connectors and electrical conductive components.
READ MORECarbon Steel
High rigidity and low cost. Suitable for heavy-load automation shafts, transmission parts and mechanical support structures. Supports heat treatment to enhance surface hardness.
GET A QUOTECopper / Copper Alloy
Outstanding thermal & electrical conductivity. Widely applied for new energy conductive terminals, heat sink components and fluid control valve sealing parts.
GET A QUOTEEngineering Plastic
Low weight, self-lubricating and corrosion-proof. Used for automation gear sleeves, pump internal wear parts and non-metallic insulation structural components.
GET A QUOTEAlloy Steel
High tensile strength after heat treatment. Suitable for high-load robotic transmission shafts, hydraulic valve core and heavy-duty mechanical assemblies.
GET A QUOTETitanium Alloy
Light weight with exceptional corrosion resistance. Fit for high-end fluid equipment, new energy precision components under strict weight limits.
GET A QUOTEMagnesium Alloy
Ultra-lightweight metal material, fast machining performance. Mainly used for lightweight automation equipment frames and portable power equipment housings.
GET A QUOTEReference: Common Aluminum Grades for CNC Machining
Illustrative performance varies by temper and raw material supplier. All technical data for reference only; final specifications follow your engineering drawing and material mill certificates.
| Grade | Typical use | Notes |
|---|---|---|
| 6061-T6 | New energy brackets, automation structural frames, pump mounting bases, general mechanical assemblies | Versatile alloy; excellent machinability, suitable for anodizing |
| 7075-T6 | High-load robotic components, high-strength valve fittings, energy storage structural parts | High tensile strength; pay attention to stress corrosion under humid working environment |
| 5052-H32 | Sheet metal enclosures, equipment housings, corrosion-resistant pump outer covers | Good forming performance, moderate strength, superior anti-corrosion property |
| 2024 | High-stress automation rotating parts, customized transmission components | Sensitive to heat treatment; production process needs advance coordination |
Typical CNC Machining Tolerances (For RFQ Reference)
Final inspection & acceptance criteria strictly follow your engineering drawing. These standard tolerance ranges serve as baseline references for quotation.
| Feature | General Tolerance (mm) | Tight Tolerance (mm) |
|---|---|---|
| Linear dimension | ±0.05 | ±0.02 |
| Hole diameter | ±0.03 | ±0.01 |
| Flatness (per 100 mm) | 0.05 | 0.02 |
Industry-Specific CNC Turning Solutions
We deliver precision-turned components for new energy storage, pump and fluid control, robotic automation, electronics, commercial equipment, and test & measurement systems.
Energy Storage
Precision CNC turning parts for energy storage equipment, including conductive terminals, busbar components, housing inserts, and structural connection parts.
READ MOREPump & Fluid Control Equipment
Custom turned components for fluid control systems, pump shafts, valve connectors, sealing fittings, and hydraulic assembly parts.
READ MORERobotic Automation
High-precision rotational parts for robotic automation, including drive shafts, joint components, spindle sleeves, and automation assembly fittings.
READ MOREPackaging Machinery
Precision CNC turned rotary components for packaging machines, including drive rollers, adjusting shafts, cam fittings, rotary joints and mechanical connection hardware for automated packaging equipment.
READ MOREConsumer & Commercial
CNC turning services for commercial equipment components, custom fasteners, adapter fittings, and modular part production.
READ MORETest & Measurement & Laboratory Equipment
Precision turned parts for laboratory and measurement equipment, including instrument shafts, adjustment screws, sensor housings, and custom connectors.
READ MOREReasons Buyers Move Their Turned & Sheet Metal Work To Us
Flexible Batch Production
From single prototype sampling to mass-volume orders. Consistent quality, documentation and dedicated project support across all order sizes.
Factory Direct Competitive Pricing
Direct manufacturing without middlemen. Our precision machined parts deliver obvious cost advantages compared to European & US suppliers, without sacrificing tolerance or quality traceability.
No Minimum Order Quantity, No Re-qualification
Prototype trial runs and mass production share identical manufacturing standards. No repeated requalification when you scale up your projects.
Professional DFM Consultation
We provide practical DFM feedback at quotation stage. Optimize part design to cut unnecessary costs while fully meeting your functional requirements before production starts.
Verified Precision & Strict Tolerance Control
Key dimensional accuracy, concentricity and runout inspected via CMM. Full inspection reports supplied with finished precision turned and sheet metal components.
Fast Quotation Within 12 Business Hours
Upload STEP, IGES, PDF or DWG drawings. Receive detailed itemized quotation, DFM suggestions and confirmed lead time rapidly.