Eight-axis sandblasting robot (CRRC Changke)
Time of issue:
Sep 15,2025
Project Background
As China's leading high-speed train manufacturer, CRRC Changchun Railway Vehicles requires extremely stringent anti-corrosion surface treatment processes. The intelligent sandblasting robot system provided by Hubei Sanjiang Boli has been successfully deployed for post-welding surface treatment of train carriages, resolving issues of low efficiency and inconsistent quality associated with traditional manual sandblasting.
Technical Solution Highlights
1.High-Adaptability Robotic Design
Integrates sandblasting nozzles with 6-axis synchronized robotic arms for precision coverage of complex carriage contours. Achieves dead-angle treatment on irregular structures like bogies with ±5μm roughness control accuracy.
2.Closed-Loop Dust Control System
Features pulse-jet dust collectors maintaining ≤5mg/m³ particulate concentration in work areas, complying with GB 16297-1996 air pollutant emission standards.
3.Digital Management Platform
Interfaces with CRRC's MES system for real-time monitoring of blasting parameters (pressure, angle, coverage), enabling full-process traceability of technical data.
Implementation Results
68.75% Efficiency Gain: Per-carriage processing time reduced from 8 hours to 2.5 hours.
Significant Cost Savings:
∙ Abrasive consumption decreased by 40%
∙ Labor costs cut by 70%
Quality Certification: First-pass approval per EN 15085-2 rail welding standards.
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