白元乡制动敏Y100-380-140NDJ气压传感器

　　（3）定期对变频器进行检查，清洁、除尘，重点是整流、逆变部分和控制柜，清除变频器下进风口、上出风口的积尘。

　　（4）在大修时（一般4年一次），应进行如下检查：对输人‘整流及逆变、直流输人快熔进行检查，发现烧毁及时更换逐个检查电容器是否出现局部过热，外观有无鼓泡或变形，如有应更换对整流、逆变部分的二极管、G丁O用万用表进行电气检测，测定其正向、反向电阻值，看各极间阻值是否正常，同一型号的器件一致性是否良好，必要时进行更换二仔细检查控制回路的端子排有无老化、松脱，各连接线连接是否牢固，各电路板安装是否牢固检查变频器内的交、直流母排（包括变频器的进线或输出线）有无变形、腐蚀、氧化，母排连接处螺丝有无松脱，各安装固定点处紧固螺丝有无松脱，固定用绝缘片或绝缘柱有无老化开裂或变形，如有应及时更换，重新紧固，不允许母排或连接螺栓出现接地或者对地放电的可能对输出热继电器接触器的进行校验，检查定值及接点是否正确及可靠。

白元乡制动敏Y100-380-140NDJ气压传感器
这时，尽管两份料槽的重量尽稍微不等，仍需用一横板去平衡每一料槽中的压力。压料杆式压铸模具也叫注料杆式模具，它用一辅助压力柱塞强迫注料杆进入料槽（或料筒），从料槽中将料取出移到模腔中。压铸压力和压铸速度容易控制，与合模压力无关。压料塞式压铸模具中料槽的大小（决定废料的大小）只需要大到和深到足以满足正好加料量即可。料槽面积由压铸机的辅助柱塞给予的力（以吨计）和被3.5整除来确定。这可保证3.5吨／英寸2的压力用作模塑压力，对于大多数压铸级料的配方，该压力是足够的。


WPL060-003-004-005-006-007-008-010-012-015-016-020-K-P2
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WPL080-003-004-005-006-007-008-010-012-015-016-020-K-P2
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WPL090-025-028-030-035-040-050-060-070-080-100-K-P2
WPL115-003-004-005-006-007-008-010-012-015-016-020-K-P2
WPL115-025-028-030-035-040-050-060-070-080-100-K-P2
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WPL160-003-004-005-006-007-008-010-012-015-016-020-K-P2
WPL160-025-028-030-035-040-050-060-070-080-100-K-P2

白元乡制动敏Y100-380-140NDJ气压传感器

白元乡制动敏Y100-380-140NDJ气压传感器
微电脑拉力试验机XLW，适用于塑料薄膜、复合膜、胶粘剂、胶粘带、医用贴剂、保护膜、橡胶、人造革、纸张纤维等产品的抗拉强度、剥离强度、变形率、拉断力、剥离力、开启力等性能测试。XLW独具拉伸、剥离两种独立的测试程序可满足用户不同的试验需求；测试精度有效地保证了测试结果的准确性，每次试验均给出测试数据的值、值、和平均值，且提供成组统计分析功能。微电脑拉力试验机，又可称为微电脑拉力机、数显拉力机、数显智能电子拉力机、智能电子拉力试验机、单臂立式拉力机、材料拉力测试仪等。

白元乡制动敏Y100-380-140NDJ气压传感器

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