Several practical cases analyze the maintenance of aluminum foil sealing machine
the common causes of common failures of aluminum foil sealing machines are the burning of the transformer, the destruction of the thyristor, and the cracking of the hot strip.
case 1: press down the rocker, the power switch k is closed, rl energizes the heater continuously, and the sealing position of the packaging bag is heated and melted; the thyristor is welded during maintenance and measured with a multimeter, and it is found that the electrode between t1 and t2 has penetrated . it can be repaired after dismantling and replacing the thyristor. the thyristor chooses 2a/600v, such as tlc336a.
case 2: after pressing down the handle, bl cannot be heat-sealed. turn on the case and estimate that the transformer has been burnt out, and the original coil of the measuring transformer has been broken. at this time, it can be repaired by substituting a transformer with a working voltage of about 25v for the secondary coil and the same output power as the original one. the power converter of this equipment is in intermittent plug-in work, so its output power volume is about 350w. if the temperature is high, or the continuous use time is too long, it may cause damage to the transformer. this should be paid attention to in the application.
case 3: after pressing down the handle and plugging in the electric heating, the heating temperature cannot be adjusted. during maintenance, the key is to check the resistor vr. because vr is often rotated, the carbon pulse damper of vr is destroyed. replace it with the new vr.
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Several practical cases analyze the maintenance of aluminum foil sealing machine
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case 1: press down the rocker, the power switch k is closed, rl energizes the heater continuously, and the sealing position of the packaging bag is heated and melted; the thyristor is welded during maintenance and measured with a multimeter, and it is found that the electrode between t1 and t2 has penetrated . it can be repaired after dismantling and replacing the thyristor. the thyristor chooses 2a/600v, such as tlc336a.
case 2: after pressing down the handle, bl cannot be heat-sealed. turn on the case and estimate that the transformer has been burnt out, and the original coil of the measuring transformer has been broken. at this time, it can be repaired by substituting a transformer with a working voltage of about 25v for the secondary coil and the same output power as the original one. the power converter of this equipment is in intermittent plug-in work, so its output power volume is about 350w. if the temperature is high, or the continuous use time is too long, it may cause damage to the transformer. this should be paid attention to in the application.
case 3: after pressing down the handle and plugging in the electric heating, the heating temperature cannot be adjusted. during maintenance, the key is to check the resistor vr. because vr is often rotated, the carbon pulse damper of vr is destroyed. replace it with the new vr.
直流数字电压电流表主要技术参数
油烟净化器与油雾净化器的区别
西班牙Leku-ona导向装置产品分类
养殖场污水处理土建项目高效低价
汽车电瓶测试仪的测试方法
Several practical cases analyze the maintenance of aluminum foil sealing machine
PARKER柱塞泵发展快的原因有
常州都盈专业排水排污管道清淤检测疏通
3d aoi光学检测仪可以检测什么?
橡塑板厂家供应商_橡塑保温板
隔油池标准做法，餐厅隔油池的制作标准是什么？
南锐发布南瑞NSR612RF-D线路微机保护地震
OPEN MIND推出hyperMILL 2019.2 表面质量更好
橡塑海绵板厂家*橡塑板厂家哪家好
阳极炭块等试样的取样工具
单相异步电机有哪些分类？它的特点是什么？
克拉克控制面板ASR 14工作原理
污水处理设备小型气浮机
1756-IB16美国AB模块日常维护及保养
构成加工系统的精密机械加工