乐发lll　　自动喷砂房的核心在于「程序控制」。其采用PLC（可编程逻辑控制器）或工业计算机系统，预设喷枪移动轨迹、磨料流量、喷射压力等参数。例如，通过机械臂或轨道式喷枪系统，可实现三维空间的精准覆盖，尤其适用于复杂曲面工件（如汽车轮毂、航空叶片）。自动喷砂房，强调自动化系统可集成除尘、磨料回收等功能，形成闭环处理。

乐发lll　　The core of an automatic sandblasting room lies in 'program control'. It adopts PLC (Programmable Logic Controller) or industrial computer system to preset parameters such as spray gun movement trajectory, abrasive flow rate, and spray pressure. For example, precise coverage of three-dimensional space can be achieved through robotic arms or rail mounted spray gun systems, especially suitable for complex curved workpieces such as automotive wheels and aviation blades. Automatic sandblasting room emphasizes that the automation system can integrate functions such as dust removal and abrasive recovery, forming a closed-loop processing.

　　自动喷砂房通常采用「压送式」原理：磨料与压缩空气在混合室内加压后，通过管道输送至喷枪，压力稳定且喷射力度强（参考B2B平台数据，典型压力范围为0.6-0.8MPa）。部分高端机型还配备磨料自动筛分装置，可循环使用钢丸、玻璃砂等材料。

乐发lll　　Automatic sandblasting rooms usually use the principle of "pressure delivery": the abrasive and compressed air are pressurized in the mixing chamber and transported to the spray gun through pipelines, with stable pressure and strong spraying force (referring to B2B platform data, typical pressure range is 0.6-0.8MPa). Some high-end models are also equipped with automatic abrasive screening devices, which can recycle materials such as steel balls and glass sand.

　　手动喷砂房多为「吸送式」设计，依靠文丘里效应将磨料从储料罐吸入喷枪。百度百家号某技术分析指出，这种方式压力较低（约0.3-0.5MPa），适合铝材、木材等软质基材，但磨料损耗率较高。

　　Manual sandblasting rooms are mostly designed as "suction type", relying on the Venturi effect to suck abrasives from the storage tank into the spray gun. According to a technical analysis on Baidu Baijiahao, this method has lower pressure (about 0.3-0.5MPa) and is suitable for soft substrates such as aluminum and wood, but has a higher abrasive loss rate.

　　自动喷砂房的理论效率可达手动操作的3-5倍。某船舶制造企业案例显示，30平方米的钢板表面处理，自动系统仅需20分钟，而手动需2小时以上。这得益于多喷枪同步作业和连续进料系统。

乐发lll　　The theoretical efficiency of an automatic sandblasting room can reach 3-5 times that of manual operation. A case study of a shipbuilding enterprise shows that the automatic system only takes 20 minutes for surface treatment of a 30 square meter steel plate, while manual treatment takes more than 2 hours. This is due to the synchronous operation of multiple spray guns and continuous feeding system.

　　自动化系统通过参数标准化实现Ra值（表面粗糙度）波动范围≤0.5μm，适合批量生产。某汽车零部件厂商的测试数据表明，自动喷砂后涂层附着力测试合格率提升至99.3%。

　　The automation system achieves a fluctuation range of Ra value (surface roughness) ≤ 0.5 μ m through parameter standardization, which is suitable for mass production. The test data from a certain automotive parts manufacturer shows that the pass rate of coating adhesion testing after automatic sandblasting has increased to 99.3%.

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