中空玻璃丁基胶涂布机在生产作业中，常因涂布质量、加热系统、机械系统等方面出现问题，影响产品质量与生产效率，以下将针对这些常见问题进行深入分析并提供有效解决方案。 Hollow glass butyl rubber coating machine often encounters problems in coating quality, heating system, mechanical system, etc. during production operations, which affect product quality and production efficiency. The following will provide in-depth analysis and effective solutions to these common problems. 在涂布质量问题上，胶条不连续 / 断胶现象主要由胶料温度异常、齿轮泵磨损以及胶嘴堵塞引发。当胶料温度偏离最佳工作温度 120 - 140℃时，胶料流动性改变，易导致断胶；齿轮泵磨损使流量波动超过 5%，无法稳定供胶；胶嘴内残留胶碳化堵塞通道，同样会造成胶条不连续。而胶条厚度不均则可通过精准调整来改善，校准刮刀间隙至公差 ±0.05mm，确保涂布厚度一致；检查传送带速度稳定性，将波动控制在＜1%，避免因速度变化影响涂布；预热铝条至 60 - 80℃，使胶料与铝条更好贴合，保证涂布质量。 In terms of coating quality issues, the discontinuity/breakage of the adhesive strip is mainly caused by abnormal temperature of the adhesive material, wear of the gear pump, and blockage of the adhesive nozzle. When the temperature of the adhesive deviates from the optimal working temperature of 120-140 ℃, the flowability of the adhesive changes, which can easily lead to adhesive breakage; The wear of the gear pump causes flow fluctuations exceeding 5%, making it impossible to provide stable adhesive supply; The residual glue inside the nozzle will carbonize and block the channel, which will also cause the glue strip to be discontinuous. The uneven thickness of the adhesive strip can be improved by precise adjustment, calibrating the scraper gap to a tolerance of ± 0.05mm to ensure consistent coating thickness; Check the stability of the conveyor belt speed, control the fluctuation within<1%, and avoid affecting the coating due to speed changes; Preheat the aluminum strip to 60-80 ℃ to ensure better adhesion between the adhesive and the aluminum strip, ensuring coating quality.

加热系统故障中，温控精度差表现为多种情况。温度波动大往往是因为 PID 参数失调，此时需重新整定，将比例带控制在 ±5% 以稳定温度；加热速度慢可能是加热管老化所致，当电阻值偏差超过 10% 时，应及时更换加热管；局部过热则大概率是热电偶失效，需更换 K/J 类型热电偶以准确测温。针对热熔胶氧化问题，可实施氮气保护系统，将氧含量控制在＜3%，减少氧化环境；采用密封式胶箱设计，隔绝空气；同时设置定时自动搅拌，间隔 15 - 20 分钟搅拌一次，避免热熔胶局部过热氧化。 In heating system failures, poor temperature control accuracy is manifested in various situations. Large temperature fluctuations are often caused by PID parameter imbalance, and in this case, it is necessary to readjust and control the proportional band within ± 5% to stabilize the temperature; Slow heating speed may be caused by aging of the heating tube. When the resistance deviation exceeds 10%, the heating tube should be replaced in a timely manner; Local overheating is highly likely due to thermocouple failure, and K/J type thermocouples need to be replaced for accurate temperature measurement. For the oxidation problem of hot melt adhesive, a nitrogen protection system can be implemented to control the oxygen content at<3% and reduce the oxidation environment; Adopting a sealed rubber box design to isolate air; Simultaneously set up timed automatic stirring, stirring every 15-20 minutes to avoid local overheating and oxidation of the hot melt adhesive. 机械系统问题集中于传动不同步和铝条定位偏差。传动不同步时，需按校准步骤操作，校验编码器，确保脉冲误差＜3，保障传动精度；调整伺服电机增益，将刚性提升 20%，增强动力传输稳定性；张紧同步带，使挠度达到 1.5% 跨距，避免打滑。对于铝条定位偏差，改进措施包括增加 CCD 视觉定位系统，实现 ±0.1mm 的高精度定位；采用真空度为 - 0.06MPa 的真空吸附传送，稳固铝条位置；安装响应时间＜10ms 的边缘检测传感器，实时监测并纠正铝条位置偏差，从而提升涂布机整体运行精度与可靠性。 The mechanical system problems focus on asynchronous transmission and aluminum strip positioning deviation. When the transmission is not synchronized, it is necessary to follow the calibration steps to verify the encoder, ensure that the pulse error is less than 3, and guarantee the transmission accuracy; Adjust the gain of the servo motor to increase rigidity by 20% and enhance power transmission stability; Tighten the synchronous belt to achieve a deflection of 1.5% of the span and avoid slipping. For the positioning deviation of aluminum bars, improvement measures include adding a CCD visual positioning system to achieve high-precision positioning of ± 0.1mm; Adopting a vacuum adsorption transfer with a vacuum degree of -0.06MPa to stabilize the position of the aluminum strip; Install edge detection sensors with a response time of less than 10ms to monitor and correct the position deviation of the aluminum strip in real time, thereby improving the overall operational accuracy and reliability of the coating machine.

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