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使用直流电动机的卷帘门日常该怎么维护?
2018-12-17 10:31:46
卷帘门用直流电动机在运转过程中,应按运转规则的要求常常查看电动机的作业状况,对换向器、电刷设备、通风体系及绕组绝缘等部位要要点加以保护。加强日常保护查看,是确保电饥安全运转的要害。
During the operation of DC motor for rolling shutter door, the operation status of motor should be checked frequently according to the requirements of operation rules, and the key points of commutator, brush equipment, ventilation system and winding insulation should be protected. Strengthening routine protection and inspection is the key to ensure the safe operation of electricity hunger.
(1)卷帘门用电动机应常常清理,保持清洁,避免油污、水等进入内部。
(1) The motor used for rolling shutter doors should be cleaned frequently and kept clean so as to avoid oil and water entering the interior.
(2)换向器的保护。换向器的外表应很光洁,正常的换向器长期 运转后,外表会发生一层坚硬的深褐色的薄膜,呈现古铜色,色彩分布均匀。这层薄膜可保护换向器外表不受磨损,因此要保存这层薄膜。
(2) Protection of commutator. The appearance of the commutator should be very smooth. After long-term operation of the normal commutator, a hard dark brown film will appear on the surface, showing bronze color and uniform color distribution. This film protects the commutator from wear and tear, so it should be preserved.
假如发现换向器外表不正常,有严峻的烧灼痕、粗糙不平或部分有凹凸现象时,则应进行维修及外表处理。
If it is found that the commutator has abnormal appearance, severe burning marks, rough or partial concave and convex phenomenon, it should be repaired and treated.
(3)电刷作业的查看。关于换向正常的电机,电刷与换向器外表 触摸的作业面呈现平滑、亮堂的"镜面"。正常的电刷压力为0.15-0. 25 kgfl cm2(士10%)(1 kgflcm2 = 98.0665 kPa),电刷与刷握的配 合不宜过紧,而须留有不大于0.5 mm左右的空隙。

(3) The inspection of brush operation. As for the motor with normal commutation, the surface of brush and commutator is smooth and bright. Normal brush pressure is 0.15-0.25 kg FL cm2 (taxi 10%) (1 kg flcm2 = 98.0665 kPa). The cooperation between brush and brush should not be too tight, but there should be no more than 0.5 mm gap.

当电刷作业面呈现磨损或碎裂现象时,须换一相同规格的电刷,新电刷安装好后应研磨光滑,使电刷作业面呈"镜面"。
When the brush surface appears abrasion or fragmentation, the same specifications of the brush should be replaced. When the new brush is installed, it should be polished smoothly to make the brush surface "mirror".
更换电刷时,应先在电刷安装之前打磨电刷的作业面,使其作业面圆弧与换向器外表外因相符;然后将O号长砂布围紧在换向错外表上,将电刷放在刷盒内,安装好,并调好弹簧压力,使各电刷压砂布上;最终转动换向器,使彤、布研磨电刷作业面。研磨后,取下长砂布,用压缩空气吹净换向器,并将炭粉吹干净。
When replacing the brush, the working surface of the brush should be polished before the installation of the brush, so that the arc of the working surface is in accordance with the external factors of the commutator; then the O-shaped long sand cloth is enclosed on the external surface of the commutator, the brush is placed in the brush box, installed, and the spring pressure is adjusted to make the brushes press the sand cloth; finally, the commutator is rotated to make the Tong and cloth grind the working surface of the brush. After grinding, remove the long abrasive cloth, clean the commutator with compressed air, and blow the carbon powder clean.
(4)通风冷却体系的查看。通风冷却体系呈现毛病会使电机温 升士曾高。所以要仔细查看过滤器是否堵塞,冷却空气是否干燥清洁,迸风速度、空气湿度是否符合规则要求及电机内部尘埃是否影响了电机的散热、冷却水是否正常等。
(4) View of ventilation and cooling system. Faults in ventilation and cooling system may cause motor temperature rise to a high level. Therefore, it is necessary to carefully check whether the filter is blocked, whether the cooling air is dry and clean, whether the burst speed, air humidity meet the requirements of the rules, and whether the dust inside the motor affects the heat dissipation of the motor, whether the cooling water is normal, and so on.
以上信息是我们济南卷帘门厂今天更新的最新新闻了希望大家能够喜欢,我们的网站是:欢迎来访!
The above inion is the latest news updated by Jinan Rolling Curtain Door Factory today. I hope you will like it. Our website is: Welcome to visit!
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