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纯电VS电液：钣金企业如何抉择？
面对两种技术路线，企业该如何选择？本文从五个维度进行对比分析：
精度与速度：纯电机胜在重复定位精度（±0.01mm），适合电子外壳等精密部件；电液机则在厚板加工中表现更稳。
能耗成本：纯电机省电50%以上，但初期投资高；电液机长期使用需承担液压油更换费用。
维护难度：纯电机无液压管路，故障率低；电液机需定期更换滤芯和密封件。
扩展性：两者均可搭配机器人实现自动化，但纯电机的开放接口更友好。
应用场景：新能源电池托盘建议用纯电机，工程机械结构件则依赖电液机。
**建议：“企业应根据产品类型、订单量和资金状况综合评估，不必盲目追求‘纯电潮流’。”
When faced with two different technological approaches, how should enterprises make a choice? This article conducts a comparative analysis from five dimensions:
Accuracy and speed: Pure electric motors excel in repeatability positioning accuracy (±0.01mm), making them suitable for precision components such as electronic housings; electro-hydraulic machines, on the other hand, perform more stably in thick plate processing.
Energy consumption cost: Pure electric motors save over 50% of electricity, but the initial investment is high; for electro-hydraulic machines, the cost of replacing hydraulic oil needs to be borne during long-term use.
Maintenance difficulty: Pure motor without hydraulic pipelines, with low failure rate; electro-hydraulic machine requires regular replacement of filters and seals.
Scalability: Both can be combined with robots to achieve automation, but the open interface of pure motors is more user-friendly.
Application scenario: For the battery trays of new energy batteries, pure electric motors are recommended; while for the structural components of construction machinery, electro-hydraulic motors are relied upon.
Experts suggest: "Enterprises should conduct a comprehensive assessment based on product type, order volume and financial status, and should not blindly pursue the 'pure electric trend'."
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