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CNC Machining Services
CNC Machining Services
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CNC Machining Services

Service Categories
We offer three categories of CNC machined parts and services, covering the full cycle from R&D prototyping to volume production.
Precision Shaft Parts

Typical products: Motor spindles, lead screws, drive shafts, gear shafts, eccentric shafts, worms

Key features: High concentricity and cylindricity (down to 0.002mm), surface roughness Ra ≤ 0.4μm

Applications: Automation drive systems, robot joints, precision instrument rotating mechanisms

Complex Parts

Typical products: Custom brackets, multi‑faceted housings, turbine disks, impellers, parts with deep or angled holes

Key features: Skilled in thin walls, deep cavities, freeform surfaces, multi‑angle features – 4/5‑axis capability

Applications: Aerospace structural parts, fluid power components, medical implant prototypes

Custom Parts (Made to Print)

Service model: Customer supplies 2D drawings (PDF/DWG) or 3D models (STEP/IGES); we manufacture to specifications

Flexible quantities: 1 piece minimum – fast changeover for low volumes, stable delivery for high volumes

Value‑added services: DFM analysis, material substitution advice, cost optimization proposals

Materials & Technology
Aluminum
Stainless Steel
Carbon/ Alloy Steel
Titanium
Brass/Copper
Engineering Plastics
Aluminum

Typical Grades: 2024.5052, 5083，6061/6061-T6, 6082.7075/7075-T6,etc

Characteristics & Applications: Lightweight, corrosion resistant – automation parts, enclosures, heat sinks

Stainless Steel

Typical Grades: 303, 304, 316L, 17‑4PH, 420

Characteristics & Applications: High strength, corrosion resistant – medical devices, food machinery, marine parts

Carbon/ Alloy Steel

Typical Grades: 45#, Q235, 4140, 4340, 20Cr 

Characteristics & Applications: High strength, wear resistant – drive components, structural parts, tooling 

Titanium

Typical Grades:  Grade 2, Grade 5 (Ti‑6Al‑4V) 

Characteristics & Applications: High strength‑to‑weight ratio, biocompatible – aerospace, medical implants

Brass/Copper

Typical Grades:  C36000, C11000

Characteristics & Applications: Excellent electrical/thermal conductivity – terminals, valves, heat sink components

Engineering Plastics

Typical Grades:  POM, PEEK, ABS, Nylon 6/66, PTFE, PC

Characteristics & Applications: Lightweight, insulating, chemical resistant – non‑standard insulators, prototypes 

Advanced Technology & Equipment
High-Speed Milling
Spindle speeds up to 20,000 rpm for efficient finishing
Mill-Turn Machining
Complete turning, milling, drilling and tapping in one setup – reduces accumulated error
In‑Process Probing&Compensation
Renishaw probes – real‑time measurement and automatic tool wear compensation
Micron-Level Cutting
Minimum depth of cut 1μm – suitable for micro precision parts
High-Pressure Coolant System
Improves chip evacuation and surface quality on difficult‑to‑cut materials
Process Capabilities
We maintain a complete CNC machining equipment fleet and process technologies to ensure high‑quality production.
CNC Machine Types
3-axis Vertical Machining Center
600×400×450mm up to 1200×600×600mm | General milling, drilling, tapping – plates, box‑type parts
4-Axis Machining Center
With rotary table (A or B axis) | Machine multiple faces in one setup – improved angular accuracy
5-Axis Machining Center
Trunnion or swivel head design | Complex surfaces, turbine blades, mold cavities – reduced setups
Cnc Lathe Mill Turn
Diameter Φ20–Φ400mm, length up to 1000mm | Shafts, discs – live tooling and C‑axis milling
CNC Grinder
Cylindrical, surface | Surface roughness down to Ra 0.2μm
Quality Assurance Technologies
Process simulation
CAM toolpath verification, collision detection
Custom fixturing
Dedicated fixtures for complex parts to minimize distortion
Tool management system
Preset tool life, automatic worn tool replacement
In‑process control
Inspections every 2 hours, SPC control charts for critical dimensions
Final inspection
CMM, vision measurement, roughness tester, height gauges, thread gauges
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Typical Accuracy Capability

 Parameter

 Standard Capability

 Limit Capability (special conditions)

 Linear dimension tolerance

 ±0.010mm

 ±0.005mm

 Concentricity / roundness

 0.008mm

 0.003mm

 Surface roughness (milling)

 Ra 0.8μm

 Ra 0.2μm

 Surface roughness (turning)

 Ra 0.4μm

 Ra 0.1μm
Industries We Serve
Our CNC precision machining services are used across the following eight industries, with proven experience and case studies in each.
Automation Robotics

Typical parts: Robot joint shafts, reducer housings, guide rail blocks, motor mounts, grippers

Requirements: High rigidity, lightweight, long‑term reliability

Our strengths: Batch consistency, DFM‑assisted weight reduction

New Energy

Typical parts: Motor spindles, battery module connectors, inverter heat sink bases, hydrogen fuel cell bipolar plate molds

Requirements: Thermal/electrical conductivity, corrosion resistance, dimensional stability

Our strengths: Machining of copper/aluminum high‑conductivity materials, precision cooling structures

Military Security

Typical parts: Sight housings, firearm components, UAV structural parts, communication equipment cavities

Requirements: High‑strength materials, strict confidentiality, batch traceability

Our strengths: Confidentiality agreements available, experience with specialty steels / titanium

Optical Instruments-Precision Measurement

Typical parts: Lens barrels, lens mounts, CMM components, precision focusing mechanisms

Requirements: Micron‑level tolerances, stress‑free, scratch‑free surfaces

Our strengths: Precision grinding, low‑stress fixturing, clean assembly environment

Semiconductor Electronics

Typical parts: Wafer handling arms, prober stage components, heat sinks, precision connector housings, EMI shields

Requirements: High cleanliness, micro dimensions, corrosion resistance

Our strengths: Micro milling (minimum tool diameter 0.2mm), precision cleaning

Automotive Components

Typical parts: Sensor housings, turbocharger impellers, valve spools, fuel injection parts, lightweight brackets

Requirements: High volume consistency, temperature resistance, IATF 16949 compliance

Our strengths: Process capability CPK ≥ 1.33, PPAP documentation available

Medical Devices

Typical parts: Surgical instrument handles, orthopedic implant prototypes, precision transmission parts for imaging equipment, diagnostic device housings

Requirements: Biocompatible materials, traceability, high surface finish

Our strengths: ISO 13485‑compliant production, cleanroom assembly, material certificates

Aerospace

Typical parts: Turbine blades, casing connectors, fuel system housings, landing gear components

Requirements: Superalloys / titanium, extreme tolerances, full traceability

Our strengths: 5‑axis simultaneous machining, AS9100 experience, NDT coordination

OUR SERVICES
Precision machining services
CNC Machining Services
CNC Machining Services

We offer three categories of CNC machined parts and services, covering the full cycle from R&D prototyping to volume production.

Read More
Sheet metal processing services
Sheet metal processing services

We offer three main categories of sheet metal fabricated parts, ranging from protective enclosures to load‑bearing structures and welded assemblies.

Read More
Casting Services
Casting Services

We offer multiple casting processes to meet different requirements for quantity, complexity, accuracy, and cost.

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Start Your Project Today
Send us your drawings or samples and get a fast, accurate quote from our engineering team.
Get a Quote
Contact Us For A Free Quotation Or Technical Consultation
We will help you turn your design into a reliable,well-protected,and structurally sound product.
Get a Quote
Tel:
+86 769 8228 5610
E-mail:
allen@jianqiaocnc.com
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