Metal Parts

Metal Parts

Precision Machining of Metal Components: From Raw Material to Finished Product, with Micron-Level Fitting Precision
Specializing in the machining of complex structural parts, high-precision rotating shafts, and sealing surfaces, we leverage our consistent process capabilities to deliver metal core components that meet assembly requirements.
CNC Turning and Milling | 5-Axis Machining | Precision Grinding | One-Stop Delivery

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Additional information

Machining Category

CNC Machining
Materials

Any Material
Machining Dimensions

Any Size
Machining Accuracy

±0.005mm

Product Description:

Processing Capabilities

Ultra-High Precision & Complex Structures

  • Linear dimension tolerances consistently controlled within ±0.005mm, with coaxiality/positional accuracy up to ≤0.008mm.
  • Supports turn-mill composite one-shot forming: integrates turning, milling, drilling, tapping, gear hobbing, slotting, and other processes in a single setup, reducing secondary clamping errors.
  • Expertise in thin-walled parts (minimum wall thickness 0.5mm), deep-hole parts (depth-to-diameter ratio 30:1), complex curved surfaces, and multi-sided structural components.

Full-Range Metal Material Processing Capabilities

Material Category Typical Grades Application Scenarios
Stainless Steel 304, 316L, 17-4PH, 420, 440C Medical devices, food machinery, marine components
Alloy Steel 40Cr, 42CrMo, 20CrMnTi, 38CrMoAl Gears, shafts, hydraulic components, tools
Aluminum Alloy 6061-T6, 7075-T6, 2A12, 5052 Aerospace, robotic arms, heat sinks
Copper Alloy H59, H62, Tin Bronze (QSn6.5-0.1), Aluminum Bronze Wear-resistant bushings, valves, electrodes
Titanium Alloy TC4 (Gr.5), TA2 High-end sports equipment, chemical processing equipment
Superalloy Inconel 718, GH4169, GH3030 Energy, chemical, specialty machinery

One-Stop Post-Processing & Surface Finishing

  • Heat Treatment: Vacuum hardening, carburizing, nitriding, aging, stress-relief annealing.
  • Surface Finishing: Zinc/nickel/chromium/electroless nickel plating, anodizing (clear/hard/black), blackening/phosphating, DACROMET, sandblasting, polishing, passivation.
  • Inspection Capabilities: CMM, profile projector, roughness tester, hardness tester, air gauge, thread gauge.

Component Processing Case Studies

Part Type Key Features Typical Precision
Precision Shaft / Lead Screw Multi-step outer diameters, keyways, threads, center holes Roundness ≤0.003mm, surface Ra ≤0.4μm
Hydraulic Valve Spool / Sleeve Precision mating pairs, sharp valve edges, micro-holes Clearance fit 0.005-0.015mm
Gear / Rack Involute tooth profile, keyways, end faces Accuracy class GB Grade 6-7
Housing / Cavity Multi-directional hole patterns, threads, seal grooves, flatness Flatness ≤0.01mm/100mm
Flange / Connector Spigot fits, bolt hole circle accuracy Positional accuracy ≤0.05mm
Custom-Shaped Bracket Curved surfaces, reinforcing ribs, welding allowance provisions Per 3D dimensional callouts on drawings

Processing Equipment

  • Turning: CNC lathes / Swiss-type automatic lathes (φ1-32mm) / Turn-mill composite centers
  • Milling: 3-axis / 4-axis / 5-axis simultaneous machining centers (table travel up to 1200×600mm)
  • Grinding: Cylindrical grinders / Surface grinders / Internal grinders (precision up to ±0.002mm)
  • Others: EDM wire cutting (fast/medium/slow wire) / Laser cutting / Precision welding

Quality Control System

  • Certifications: ISO 9001:2024 / IATF 16949
  • Full Inspection Process: First-piece full inspection → In-process sampling / SPC monitoring → Full dimensional report upon shipment

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