Xiamen Goldcattle CNC Machining Manual
18+ Years of Precision Engineering Excellence
Engineering Excellence Since 2007
This comprehensive processing manual distills 18+ years of hands-on CNC machining expertise at Xiamen Goldcattle. Serving global B2B clients in aerospace, medical, automotive, and electronics, we transform raw materials into high-tolerance components with unmatched consistency.
Our certified processes (ISO 9001:2015, AS9100D, IATF 16949) ensure every step meets the strictest industry standards. Whether you are an OEM partner or seeking manufacturing insights, this guide demonstrates our commitment to quality, safety, and precision.
1. Safety Precautions – Zero Incident Commitment
Safety is non-negotiable at Goldcattle. All operators complete mandatory 40-hour safety training and wear full PPE (safety goggles, ear protection, cut-resistant gloves, and steel-toe boots) at all times in production areas.
Mandatory Safety Protocols
- No contact with rotating tools or spindles during operation
- Keep floors dry and free of metal chips at all times
- Follow strict lockout/tagout procedures for maintenance
- Emergency stops tested daily before production starts
- Machine guards must remain in place during operation
Safety Record: 0 lost-time incidents in 18 consecutive years (2007-2025)
2. Equipment, Tools & Materials Mastery
Advanced CNC Equipment Fleet
Equipment Specifications
- 120+ CNC machines in total
- 3-axis to 5-axis capabilities
- Maximum workpiece size: 2000mm x 1500mm x 1000mm
- Positioning accuracy: ±0.003mm
- Repeatability: ±0.002mm
5-Axis Machining Centers
DMG Mori, Haas, and Citizen machines with 24,000 RPM spindles and automated tool changers
Precision Cutting Tools
We use only premium cutting tools selected per material type to ensure optimal performance and surface finish.
Carbide Tools
For steel, stainless steel, and hard metals
CBN Tools
For hardened steels and high-temperature alloys
Diamond-Coated Tools
For non-ferrous metals and plastics
Materials Processed Daily
| Material Category | Common Grades | Key Properties | Typical Applications |
|---|---|---|---|
| Aluminum Alloys | 6061-T6, 7075-T6, 2024-T3 | Lightweight, corrosion-resistant, excellent machinability | Aerospace structures, electronics enclosures |
| Stainless Steels | 304, 316L, 17-4PH, 440C | High strength, corrosion-resistant, hygienic | Medical devices, marine hardware, food equipment |
| Titanium Alloys | Ti-6Al-4V, Ti Grade 2, Ti Grade 5 | Excellent strength-to-weight ratio, biocompatible | Medical implants, aerospace components |
| High-Temp Alloys | Inconel 718, Hastelloy C276, Waspaloy | Withstands 1000°C+, creep-resistant | Turbine blades, chemical processing equipment |
| Engineering Plastics | PEEK, POM, PTFE, Nylon 6/66 | Low friction, chemical-resistant, lightweight | Gears, bearings, medical components |
3. Complete Processing Workflow
Step 1: Design & Programming
Thorough drawing review and analysis of technical requirements
CAD model creation or verification using SolidWorks, AutoCAD
CAM programming with Mastercam/HyperMill software
Toolpath simulation to detect potential collisions
Step 2: Setup & Preparation
Material verification and inspection
Fixture design and workpiece clamping
Tool selection and setup with preset lengths
Zero offset setting and workpiece coordinate system establishment
Step 3: Machining Execution
Dry run verification of tool paths
Cutting parameter optimization for material type
Real-time monitoring of machining process
In-process quality checks at critical stages
Step 4: Inspection & Finishing
100% dimensional inspection using CMM and optical tools
Surface finish measurement and verification
Deburring, cleaning, and surface treatment as required
Packaging and labeling with full traceability
Recommended Machining Parameters (For Reference Only)
| Material | Cutting Speed (m/min) | Feed Rate (mm/rev) | Depth of Cut (mm) |
|---|---|---|---|
| Aluminum 6061-T6 | 150-300 | 0.1-0.3 | 1-3 |
| Stainless Steel 304 | 50-120 | 0.05-0.15 | 0.5-2 |
| Titanium Ti-6Al-4V | 30-80 | 0.03-0.1 | 0.3-1.5 |
| Steel 4140 | 80-150 | 0.08-0.2 | 0.8-2.5 |
* Parameters may vary based on specific tooling, machine conditions, and part geometry. Always consult with engineering team for optimal settings.
4. Certified Execution Standards & Compliance
Quality Management Standards
- ISO 9001:2015 – Quality Management System
- AS9100D – Aerospace Quality Management
- IATF 16949:2016 – Automotive Quality Management
- ISO 13485:2016 – Medical Devices Quality Management
- ISO 14001:2015 – Environmental Management System
- OHSAS 18001:2007 – Occupational Health & Safety
Technical Standards
- ISO 2768-mK – General Tolerances for Linear & Angular Dimensions
- ASME Y14.5-2018 – Dimensioning and Tolerancing
- ISO 13041-6:2009 – CNC Turning Machine Testing
- ISO 10791-2:2023 – Machining Center Geometric Tests
- ASTM E8 – Tensile Testing of Metallic Materials
- ASTM B221 – Aluminum Alloy Extrusions
Material & Safety Standards
- ASTM A240 – Stainless Steel Plates, Sheets, and Strip
- AMS 4928 – Titanium Alloy Ti-6Al-4V
- FDA 21 CFR Part 177 – Food Contact Materials
- RoHS 2011/65/EU – Restriction of Hazardous Substances
- REACH Regulation (EC) No 1907/2006
- ASTM F136 – Implantable Titanium Alloy
5. Quality Inspection & Post-Processing
Inspection Capabilities
Dimensional Inspection
- Zeiss Contura G2 CMM with 0.001mm accuracy
- Optical comparators for 2D measurements
- Digital micrometers, calipers, and height gauges
- Surface roughness testers (Ra 0.025μm resolution)
- Roundness and cylindricity measurement
Material Verification
- Spectrometer for material composition analysis
- Hardness testing (Rockwell, Brinell, Vickers)
- Ultrasonic testing for internal defects
- Magnetic particle inspection for surface cracks
- Full material traceability with lot numbers
Post-Processing Services
- Deburring: Manual and robotic deburring for edge quality
- Cleaning: Ultrasonic cleaning, vapor degreasing
- Surface Treatments: Anodizing, plating, painting, powder coating
- Heat Treatment: Annealing, quenching, tempering
- Passivation: For stainless steel corrosion resistance
- Electropolishing: For smooth, hygienic surfaces
- Packaging: Anti-static, moisture-proof, export packaging
Typical Inspection Results (For Reference Only)
Dimensional Accuracy:
±0.005mm for critical features
Surface Finish:
Ra 0.4μm to Ra 1.6μm as standard
Flatness:
0.01mm per 100mm length
Perpendicularity:
0.008mm per 100mm length
6. Troubleshooting, Maintenance & Continuous Improvement
Common Issues & Solutions
Dimensional Deviation
Causes: Tool wear, thermal expansion, fixture deflection
Solutions: Tool replacement, temperature control, fixture reinforcement
Chatter/Vibration
Causes: Tool overhang, insufficient rigidity, improper cutting parameters
Solutions: Reduce tool overhang, increase spindle speed, adjust feed rate
Poor Surface Finish
Causes: Dull tools, improper cutting parameters, chip recutting
Solutions: Tool replacement, optimize cutting parameters, improve chip evacuation
Preventive Maintenance Schedule
Daily Maintenance
- Clean machine surfaces and remove chips
- Check coolant level and quality
- Inspect tool condition and replace if worn
- Test emergency stop functionality
Weekly Maintenance
- Lubricate linear guides and ball screws
- Check hydraulic system pressure
- Inspect air filter and replace if necessary
- Calibrate tool setting probe
Monthly Maintenance
- Full machine accuracy calibration
- Inspect spindle runout
- Check electrical connections and grounding
- Update machine software and backups
Why Global Clients Trust Our Processing Standards
18+ Years Experience
Proven expertise in precision CNC machining
ISO Certified
Multiple quality management certifications
99.7% On-Time Delivery
Consistent reliability for production schedules
100% Inspection
Full quality control for every component
Partner with the Experts for Your Next CNC Project
Upload your drawings today for a same-day quote and free DFM analysis based on this proven processing manual.
ISO 9001 • AS9100D • IATF 16949 • 18+ Years • 99.7% On-Time Delivery
Xiamen Goldcattle – High-Quality CNC Machined Parts Processing Manual • Professional B2B Manufacturing Partner
