CNC Turning

Qingdao Ruirui Machinofacture Co., Ltd specializes in precision CNC turning services with:

20+ CNC lathes including multi-axis and Swiss-type machines

±0.005mm high-precision machining capabilities

24/7 production capacity with 3-shift operation

17+ years of OEM/ODM manufacturing experience

One-stop solution from prototyping to mass production

---

CNC Materials

Material Category	Available Options
Aluminum	6061, 7075, 5052, 2024, MIC-6
Stainless Steel	303, 304, 316/L, 17-4PH, 420
Alloy Steel	4130, 4140, 4340, A36
Brass/Bronze	C360, C260, C93200
Copper	C10100, C11000

 

---

Custom Sourced Materials

We accommodate special requests:

Hard-to-find alloys: Inconel, Hastelloy, Monel

Special tempers: T4, T6, T651, H32

Certified materials: AMS, ASTM, MIL-SPEC

Custom diameters: 1mm-300mm round stock

Traceability: Full material certification provided

---

Finishes

Standard Finishes:

As-machined (Ra 3.2μm)

Bead blasted (uniform matte texture)

Anodizing (Type II/III, color options)

Premium Finishes:

Electropolishing (medical grade)

Nickel/Tin plating

Passivation (for corrosion resistance)

Custom powder coating (RAL color matching)

---

Applications of CNC Turning

Aerospace:

Engine bushings

Landing gear components

Hydraulic fittings

Medical:

Surgical instrument handles

Implant trial components

Dental drill sleeves

Automotive:

Transmission shafts

Fuel injector bodies

Sensor housings

Industrial:

Valve stems

Pump shafts

Bearing races

---

Advantages of CNC Turning with Ruirui

Precision Engineering

0.005mm tolerance standard

CMM inspection available

ISO 9001 certified processes

 

Manufacturing Flexibility

Prototype to 100,000+ production runs

Mixed material batches accepted

Rapid tooling solutions

 

Cost Efficiency

30-50% cost savings vs EU/US suppliers

No mold/die costs

Scrap rate below 0.5%

 

Supply Chain Advantages

In-house material warehouse

24-hour emergency production

EXW/FOB/DDP terms available

---

CNC General Tolerances

Dimensional Tolerance:​​​​​​​

Standard: ±0.05mm

High Precision: ±0.01mm

Ultra Precision: ±0.005mm (requires consultation)

Geometric Tolerance:

Roundness: 0.01mm

Cylindricity: 0.015mm

Concentricity: 0.02mm

Surface Finish:

Standard: Ra 3.2μm

Fine: Ra 1.6μm

Mirror: Ra 0.8μm (additional processing)

---

Overview: What is CNC Turning?

Our Capabilities:

Diameter Range: 1mm to 500mm

Length Capacity: Up to 1500mm

Complex Features: Threads, grooves, tapers, contours

Secondary Operations: Drilling, milling, knurling

Technology Highlights:

Swiss-type Turning: For long, slender parts (L:D ratio up to 20:1)

Multi-Axis Turning: Complete parts in single setup

Live Tooling: Combined milling/turning operations

Bar Feeding: Automated production for high volume

Quality Assurance:

First article inspection (FAI)

Batch sampling per AQL standards

Full dimensional reports available

Material certification included

Why Global Clients Choose Us

50% Cost Savings vs. Western manufacturers

15% Faster Lead Times through optimized production planning

Zero MOQ for prototype development

IP Protection with NDAs and secure data rooms

Contact Our Engineering Team Today  kshdhardware@qdkshd.com