Stainless steel metal robot parts refer to manufacturing precision robotic components through CNC machining, laser cutting, and welding. Strongd serves industrial automation, medical robotics, and aerospace sectors, producing joint assemblies, end-effectors, sensor mounts, chassis frames, and custom actuators. From prototypes to high-volume production, we deliver corrosion-resistant, high-strength solutions.
Advantages
Precision & Durability
Tolerance: ±0.02mm (machining) / ±0.1mm (welding)
Material grades: 304, 316L, 17-4PH, 440C (HRC 35–55)
Corrosion resistance: Passivated for salt spray/chemical exposure
High Strength-to-Weight Ratio
Tensile strength: 500–1,000 MPa (vs. aluminum's 200–400 MPa)
Fatigue resistance: 10⁷+ cycles at 50% UTS for dynamic joints
Non-magnetic: 316L ideal for MRI-compatible robots
Complex Geometry Fabrication
5-axis machining: Surgical tool interfaces, curved arm segments
Laser welding: Hermetic seals for vacuum robots
Micro-drilling: Ø0.3mm holes for wiring passthroughs
Applications
Prototype testing validates load cycles and sterilization compatibility. Critical uses include:
Surgical robots: Forceps shafts, articulation joints
Food handling: IP69K-rated grippers, conveyor guides
Space robotics: Satellite manipulators (low outgassing)
Collaborative robots: Impact-resistant structural frames
Surface Treatment
Enhanced performance and compliance:
Electropolishing: Ra <0.2μm for ultra-smooth bearings
PVD coating: TiN/AlCrN for wear resistance (3x lifespan)
Passivation: ASTM A967 nitric acid treatment
Bead blasting: Uniform matte finish (80–120 grit)
Why Choose Strongd?
Our ISO 13485/IATF 16949-certified team combines robotics expertise with aerospace-grade stainless steel processing. We optimize designs for manufacturability (DFM), perform 100% PMI (positive material identification), and guarantee 4-week lead times for batches ≤1,000 units. 94% clients reorder.
Production Process
Design Review
Analyze STEP/IGES files
Confirm GD&T, surface finishes, and cleanroom requirements
Material Certification
Provide mill certs (ASTM A276)
Ultrasonic testing for internal defects
CNC Machining & Fabrication
5-axis milling (Mazak Variaxis)
Swiss turning (Citizen L32) for shafts
Laser welding (IPG fiber lasers)
Deburring
Electrochemical deburring for micro-features
Edge radiusing (R0.1–R0.5mm)
Heat Treatment
H900 aging for 17-4PH (HRC 45)
Solution annealing for 316L
Inspection
CMM (Zeiss O-INSPECT) for gear profiles
Ferroxyl test for passivation quality
Surface Finishing
Apply specified coatings/electropolishing
Cleanroom Packaging
VCI film + nitrogen flushing for medical parts
ISO Class 7 packaging area
FAQ
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