EFFICIENCY +300%! AUTOMATION RATE >95%! INSIDE SHENZHEN DONGFENG'S HIGH-END SANITATION VEHICLE COATING LINE
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232National Patent
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39Invention patent
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11High-tech products
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2Participate in customizing standards
Overview:
In 2022, Shenzhen Dongfeng established a new 60,000 m² high-end intelligent production base in Shiyan. Zeheng built the intelligent powder coating line for sanitation vehicle tanks.

Strategy:
The solution uses one axis for multi-directional coating, coating multiple sides from a rotating position. It employs Zeheng's "ace combination" of AZ15 heavy-duty axis + rotating R-axis for high-precision positioning, achieving multi-surface coating and detailed bottom coverage. This reduces costs, boosts efficiency, and increases annual output to 5000 tank-type sanitation vehicles per line.


Project Value:
1、Smart Recognition Error <10mm: The line uses a maintenance-free laser recognition system with ≤±10mm error, combined with chain speed tracking for precise auto coating commands. It meets intelligent recognition needs for tanks, garbage truck bodies, and other parts.
2、Reciprocator Auto-coating Rate >95%: With seven high-precision reciprocators (≥95% auto-coating), the system ensures full 3D coverage and uniform 80–120μm films—delivering noticeably fuller, higher-quality results than paint.
3、Cycle Time Reduced by 40min, Efficiency +300%: With Zeheng's system, the cycle time is now 20 minutes, increasing efficiency by 300%.
4、High Utilization:The tank booth combines R-shaped corners and tuned airflow to limit buildup and overspray, while its cyclone system ensures ≥97% separation and up to 99% total powder recovery.
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