有刷直流电机通过电刷进行换向。以下是关于有刷直流电机的一些关键点：
典型的转子(也就是电枢)上有绕组，并且在其末端连有换向器
电刷与换向部分连接和断开，从而将能量传递到电枢
永磁直流电机的定子(或外部机筒)将有两个或更多个永磁磁极
通电绕组和定子磁体的相反极性互相作用，从而导致转子旋转直到与定子同相位
一旦转子与定子对齐，电刷与换向器接触并导通下一个绕组
由于速度和转矩与所应用的电压/电流成正比，因而有刷直流电机控制起来相对容易。由于电枢上有绕组，因而转子很重，较大的惯性使其较难启动和停止。转子上的绕组会产生热量，并且较难散热。
有刷直流电机的主要特性
良好的可控性：开/关，成正比
线性转矩/电流曲线
速度与所应用的电压成正比
需要维护
低过载能力
低热耗散

新闻:高邑县绕线机专用步进电机86HS35库存

　 二、通电后电动机不转有嗡嗡声
　　1．故障原因①转子绕组有断路（一相断线）或电源一相失电；②绕组引出线始末端接错或绕组内部接反；③电源回路接点松动，接触电阻大；④电动机负载过大或转子卡住；⑤电源电压过低；⑥小型电动机装配太紧或轴承内油脂过硬；⑦轴承卡住。
　　2．故障排除①查明断点予以修复；②检查绕组极性；判断绕组末端是否正确；③紧固松动的接线螺丝，用万用表判断各接头是否假接，予以修复；④减载或查出并消除机械故障，⑤检查是否把规定的面接法误接；是否由于电源导线过细使压降过大，予以纠正，⑥重新装配使之灵活；更换合格油脂；⑦修复轴承。
新闻:高邑县绕线机专用步进电机86HS35库存
为延长防尘密封条的寿命，可在密封条上均匀涂上一薄层硅油，注意勿溅落在玻璃光栅刻划面上。为保证光栅尺传感器使用的可靠性，可每隔一定时间用乙醇混合液(各5%)清洗擦拭光栅尺面及指示光栅面，保持玻璃光栅尺面清洁。光栅尺传感器严禁剧烈震动及摔打，以免破坏光栅尺，如光栅尺断裂，光栅尺传感器即失效了。不要自行拆栅尺传感器，更不能任意改动主栅尺与副栅尺的相对间距，否则一方面可能破坏光栅尺传感器的精度;另一方面还可能造成主栅尺与副栅尺的相对摩擦，损坏铬层也就损坏了栅线，以而造成光栅尺报废。
新闻:高邑县绕线机专用步进电机86HS35库存
CH100-3-S-G2-RD-H0 CH100-5-S-G2-RD-H0 CH100-10-S-G2-RD-H0 CH100-15-S-G2-RD-H0 CH100-20-S-G2-RD-H0 CH100-25-S-G2-RD-H0 CH100-30-S-G2-RD-H0 CH100-40-S-G2-RD-H0 CH100-45-S-G2-RD-H0 CH100-50-S-G2-RD-H0 CH100-60-S-G2-RD-H0 CH100-70-S-G2-RD-H0 CH100-80-S-G2-RD-H0 CH100-90-S-G2-RD-H0 CH100-100-S-G2-RD-H0 CH100-120-S-G2-RD-H0 CH100-140-S-G2-RD-H0 CH100-160-S-G2-RD-H0 CH100-180-S-G2-RD-H0 CH100-200-S-G2-RD-H0 CH200-3-S-G2-RD-H0 CH200-5-S-G2-RD-H0 CH200-10-S-G2-RD-H0 CH200-15-S-G2-RD-H0 CH200-20-S-G2-RD-H0 CH200-25-S-G2-RD-H0 CH200-30-S-G2-RD-H0 CH200-40-S-G2-RD-H0 CH200-45-S-G2-RD-H0 CH200-50-S-G2-RD-H0 CH200-60-S-G2-RD-H0 CH200-70-S-G2-RD-H0 CH200-80-S-G2-RD-H0 CH200-90-S-G2-RD-H0 CH200-100-S-G2-RD-H0 CH200-120-S-G2-RD-H0 CH200-140-S-G2-RD-H0 CH200-160-S-G2-RD-H0 CH200-180-S-G2-RD-H0 CH200-200-S-G2-RD-H0 CH400-3-S-G2-RD-H0 CH400-5-S-G2-RD-H0 CH400-10-S-G2-RD-H0 CH400-15-S-G2-RD-H0 CH400-20-S-G2-RD-H0 CH400-25-S-G2-RD-H0 CH400-30-S-G2-RD-H0 CH400-40-S-G2-RD-H0 CH400-45-S-G2-RD-H0 CH400-50-S-G2-RD-H0 CH400-60-S-G2-RD-H0 CH400-70-S-G2-RD-H0 CH400-80-S-G2-RD-H0 CH400-90-S-G2-RD-H0 CH400-100-S-G2-RD-H0 CH400-120-S-G2-RD-H0 CH400-140-S-G2-RD-H0 CH400-160-S-G2-RD-H0 CH400-180-S-G2-RD-H0 CH400-200-S-G2-RD-H0 CH750-3-S-G2-RD-H0 CH750-5-S-G2-RD-H0 CH750-10-S-G2-RD-H0 CH750-15-S-G2-RD-H0 CH750-20-S-G2-RD-H0 CH750-25-S-G2-RD-H0 CH750-30-S-G2-RD-H0 CH750-40-S-G2-RD-H0 CH750-45-S-G2-RD-H0 CH750-50-S-G2-RD-H0 CH750-60-S-G2-RD-H0 CH750-70-S-G2-RD-H0 CH750-80-S-G2-RD-H0 CH750-90-S-G2-RD-H0 CH750-100-S-G2-RD-H0 CH750-120-S-G2-RD-H0 CH750-140-S-G2-RD-H0 CH750-160-S-G2-RD-H0 CH750-180-S-G2-RD-H0 CH750-200-S-G2-RD-H0
一般固体材料中的声速随其温度升高而降低，有试验数据表明，热态材料每增加1C，声速下降1%。对于高温在役设备常常碰到这种情况。应选用高温专用探头和高温耦合剂（3－6C)，切勿使用普通探头。层叠材料、复合（非均质）材料。要测量未经耦合的层叠材料是不可能的，因超声波无法穿透未经耦合的空间，而且不能在复合（非均质）材料中匀速传播。对于由多层材料包扎制成的设备（像尿素高压设备），测厚时要特别注意，测厚仪的示值仅表示与探头接触的那层材料厚度。
新闻:高邑县绕线机专用步进电机86HS35库存 CH3700-3-S-B-G2-RD-H9 CH3700-5-S-B-G2-RD-H9 CH3700-10-S-B-G2-RD-H9 CH3700-15-S-B-G2-RD-H9 CH3700-20-S-B-G2-RD-H9 CH3700-25-S-B-G2-RD-H9 CH3700-30-S-B-G2-RD-H9 CH3700-40-S-B-G2-RD-H9 CH3700-45-S-B-G2-RD-H9 CH3700-50-S-B-G2-RD-H9 CH3700-60-S-B-G2-RD-H9 CH3700-70-S-B-G2-RD-H9 CH3700-80-S-B-G2-RD-H9 CH3700-90-S-B-G2-RD-H9 CH3700-100-S-B-G2-RD-H9 CH3700-120-S-B-G2-RD-H9 CH3700-140-S-B-G2-RD-H9 CH3700-160-S-B-G2-RD-H9 CH3700-180-S-B-G2-RD-H9 CH3700-200-S-B-G2-RD-H9 CH100-3-S-G2-RT-H0 CH100-5-S-G2-RT-H0 CH100-10-S-G2-RT-H0 CH100-15-S-G2-RT-H0 CH100-20-S-G2-RT-H0 CH100-25-S-G2-RT-H0 CH100-30-S-G2-RT-H0 CH100-40-S-G2-RT-H0 CH100-45-S-G2-RT-H0 CH100-50-S-G2-RT-H0 CH100-60-S-G2-RT-H0 CH100-70-S-G2-RT-H0 CH100-80-S-G2-RT-H0 CH100-90-S-G2-RT-H0 CH100-100-S-G2-RT-H0 CH100-120-S-G2-RT-H0 CH100-140-S-G2-RT-H0 CH100-160-S-G2-RT-H0 CH100-180-S-G2-RT-H0 CH100-200-S-G2-RT-H0 CH200-3-S-G2-RT-H0 CH200-5-S-G2-RT-H0 CH200-10-S-G2-RT-H0 CH200-15-S-G2-RT-H0 CH200-20-S-G2-RT-H0 CH200-25-S-G2-RT-H0 CH200-30-S-G2-RT-H0 CH200-40-S-G2-RT-H0 CH200-45-S-G2-RT-H0 CH200-50-S-G2-RT-H0 CH200-60-S-G2-RT-H0 CH200-70-S-G2-RT-H0 CH200-80-S-G2-RT-H0 CH200-90-S-G2-RT-H0 CH200-100-S-G2-RT-H0 CH200-120-S-G2-RT-H0 CH200-140-S-G2-RT-H0 CH200-160-S-G2-RT-H0 CH200-180-S-G2-RT-H0 CH200-200-S-G2-RT-H0 CH400-3-S-G2-RT-H0 CH400-5-S-G2-RT-H0 CH400-10-S-G2-RT-H0 CH400-15-S-G2-RT-H0 CH400-20-S-G2-RT-H0 CH400-25-S-G2-RT-H0 CH400-30-S-G2-RT-H0 CH400-40-S-G2-RT-H0 CH400-45-S-G2-RT-H0 CH400-50-S-G2-RT-H0 CH400-60-S-G2-RT-H0 CH400-70-S-G2-RT-H0 CH400-80-S-G2-RT-H0 CH400-90-S-G2-RT-H0 CH400-100-S-G2-RT-H0 CH400-120-S-G2-RT-H0 CH400-140-S-G2-RT-H0 CH400-160-S-G2-RT-H0 CH400-180-S-G2-RT-H0 CH400-200-S-G2-RT-H0