電機(jī)有兩大類:交流電機(jī)、直流電機(jī)。交流電機(jī)中用得多的是異步電機(jī)(感應(yīng)電機(jī)),轉(zhuǎn)別是鼠籠式異步電機(jī)。現(xiàn)在伊詩(shī)圖電氣Eastour給大家介紹直流電機(jī)、交流電機(jī)調(diào)速方法。
直流電機(jī)調(diào)速方法:
直流電機(jī)是指將直流電送到直流電機(jī),把直流電機(jī)的電能轉(zhuǎn)換成機(jī)械能。這里首先要介紹如何將市電的交流電轉(zhuǎn)換成需要的直流電。六十年代以前采用的是發(fā)電機(jī)--電機(jī)系統(tǒng)(f-d),這種方法只有在電機(jī)由專用的發(fā)電機(jī)供電時(shí)才有可能。另一種是可控硅--電機(jī)系統(tǒng)(scr-d)。
直流電機(jī)的調(diào)速還比較方便,可以通過(guò)調(diào)節(jié)電樞供電電壓,電樞中串聯(lián)電阻,激磁回路串聯(lián)電阻來(lái)實(shí)現(xiàn)。
可見(jiàn)直流電機(jī)調(diào)速有三種方法,而且調(diào)節(jié)電樞供電電壓的方法容易實(shí)現(xiàn)平滑、無(wú)級(jí)、寬范圍、低損耗的要求。直流電動(dòng)機(jī)電磁轉(zhuǎn)矩中的兩個(gè)可控參量和是互相獨(dú)立的,可以非常方便地分別調(diào)節(jié),這種機(jī)理使直流電動(dòng)機(jī)具有良好的轉(zhuǎn)矩控制特性,從而有優(yōu)良的轉(zhuǎn)速調(diào)節(jié)性能。
盡管直流電機(jī)調(diào)速就其性能而言,可以相當(dāng)滿意,但因其結(jié)構(gòu)夏雜,慣量大,維護(hù)麻煩,不適宜在惡劣環(huán)境中運(yùn)行,不易實(shí)現(xiàn)大容量化、高壓化、高速化,而且價(jià)格昂貴。
新聞:常州SMT設(shè)備專用步進(jìn)電機(jī)34HS6828
蝸輪減速機(jī)自鎖功能的應(yīng)用
實(shí)際上蝸輪減速機(jī)就是蝸輪蝸桿減速器,因?yàn)槲佪喤c蝸桿在減速器的應(yīng)用當(dāng)中都是成對(duì)出現(xiàn)的。減速器中有一個(gè)蝸桿就一定會(huì)有一個(gè)蝸輪,因此蝸輪減速器只是人們對(duì)蝸輪蝸桿減速器的一種口語(yǔ)化叫法。但通常大家更喜歡把蝸輪蝸桿減速器稱為蝸輪蝸桿減速機(jī)?;蛘哒f(shuō)蝸輪蝸桿減速機(jī)是更通用的一種叫法。下面你可以點(diǎn)擊查看.
簡(jiǎn)單介紹一下蝸輪及蝸桿機(jī)構(gòu)的特點(diǎn)
可以得到很大的傳動(dòng)比,比交錯(cuò)軸斜齒輪機(jī)構(gòu)緊湊
兩輪嚙合齒面間為線接觸,其承載能力大大高于交錯(cuò)軸斜齒輪機(jī)構(gòu)
蝸桿傳動(dòng)相當(dāng)于螺旋傳動(dòng),為多齒嚙合傳動(dòng),故傳動(dòng)平穩(wěn)、噪音很小
CH400-3-S-G3-TL-H9
CH400-5-S-G3-TL-H9
CH400-10-S-G3-TL-H9
CH400-15-S-G3-TL-H9
CH400-20-S-G3-TL-H9
CH400-25-S-G3-TL-H9
CH400-30-S-G3-TL-H9
CH400-40-S-G3-TL-H9
CH400-45-S-G3-TL-H9
CH400-50-S-G3-TL-H9
CH400-60-S-G3-TL-H9
CH400-70-S-G3-TL-H9
CH400-80-S-G3-TL-H9
CH400-90-S-G3-TL-H9
CH400-100-S-G3-TL-H9
CH400-120-S-G3-TL-H9
CH400-140-S-G3-TL-H9
CH400-160-S-G3-TL-H9
CH400-180-S-G3-TL-H9
CH400-200-S-G3-TL-H9
CH750-3-S-G3-TL-H9
CH750-5-S-G3-TL-H9
CH750-10-S-G3-TL-H9
CH750-15-S-G3-TL-H9
CH750-20-S-G3-TL-H9
CH750-25-S-G3-TL-H9
CH750-30-S-G3-TL-H9
CH750-40-S-G3-TL-H9
CH750-45-S-G3-TL-H9
CH750-50-S-G3-TL-H9
CH750-60-S-G3-TL-H9
CH750-70-S-G3-TL-H9
CH750-80-S-G3-TL-H9
CH750-90-S-G3-TL-H9
CH750-100-S-G3-TL-H9
CH750-120-S-G3-TL-H9
CH750-140-S-G3-TL-H9
CH750-160-S-G3-TL-H9
CH750-180-S-G3-TL-H9
CH750-200-S-G3-TL-H9
CH1500-3-S-G3-TL-H9
CH1500-5-S-G3-TL-H9
CH1500-10-S-G3-TL-H9
CH1500-15-S-G3-TL-H9
CH1500-20-S-G3-TL-H9
CH1500-25-S-G3-TL-H9
CH1500-30-S-G3-TL-H9
CH1500-40-S-G3-TL-H9
CH1500-45-S-G3-TL-H9
CH1500-50-S-G3-TL-H9
CH1500-60-S-G3-TL-H9
CH1500-70-S-G3-TL-H9
CH1500-80-S-G3-TL-H9
CH1500-90-S-G3-TL-H9
CH1500-100-S-G3-TL-H9
CH1500-120-S-G3-TL-H9
CH1500-140-S-G3-TL-H9
CH1500-160-S-G3-TL-H9
CH1500-180-S-G3-TL-H9
CH1500-200-S-G3-TL-H9
CH2200-3-S-G3-TL-H9
CH2200-5-S-G3-TL-H9
CH2200-10-S-G3-TL-H9
CH2200-15-S-G3-TL-H9
CH2200-20-S-G3-TL-H9
CH2200-25-S-G3-TL-H9
CH2200-30-S-G3-TL-H9
CH2200-40-S-G3-TL-H9
CH2200-45-S-G3-TL-H9
CH2200-50-S-G3-TL-H9
CH2200-60-S-G3-TL-H9
CH2200-70-S-G3-TL-H9
CH2200-80-S-G3-TL-H9
CH2200-90-S-G3-TL-H9
CH2200-100-S-G3-TL-H9
CH2200-120-S-G3-TL-H9
CH2200-140-S-G3-TL-H9
CH2200-160-S-G3-TL-H9
CH2200-180-S-G3-TL-H9
CH2200-200-S-G3-TL-H9
電機(jī)保養(yǎng)維修中心電機(jī)保養(yǎng)流程:清洗定轉(zhuǎn)子--更換碳刷或其他零部件--真空F級(jí)壓力浸漆--烘干--校動(dòng)平衡。使用環(huán)境應(yīng)經(jīng)常保持干燥,電動(dòng)機(jī)表面應(yīng)保持清潔,進(jìn)風(fēng)口不應(yīng)受塵土、纖維等阻礙。當(dāng)電動(dòng)機(jī)的熱保護(hù)連續(xù)發(fā)生動(dòng)作時(shí),應(yīng)查明故障來(lái)自電動(dòng)機(jī)還是超負(fù)荷或保護(hù)裝置整定值太低,消除故障后,方可投入運(yùn)行。應(yīng)保證電動(dòng)機(jī)在運(yùn)行過(guò)程中良好的潤(rùn)滑。一般的電動(dòng)機(jī)運(yùn)行5小時(shí)左右,即應(yīng)補(bǔ)充或更換潤(rùn)滑脂,運(yùn)行中發(fā)現(xiàn)軸承過(guò)熱或潤(rùn)滑變質(zhì)時(shí),液壓及時(shí)換潤(rùn)滑脂。
新聞:常州SMT設(shè)備專用步進(jìn)電機(jī)34HS6828
一個(gè)伺服系統(tǒng),不單單是一個(gè)電機(jī)。它是一個(gè)閉環(huán)的運(yùn)動(dòng)系統(tǒng)控制工程網(wǎng)版權(quán)所有,包含了控制器、驅(qū)動(dòng)器、電儀和反饋裝置,通常一個(gè)還配有一個(gè)光學(xué)或磁編碼器。
伺服系統(tǒng)能在采用永磁(permanent magnets ,PM)技術(shù)后同步機(jī)械,配以有刷或無(wú)刷PM電機(jī),或在一個(gè)AC感應(yīng)電機(jī)上建立異步機(jī)械系統(tǒng)。
永磁同步電機(jī) 有較高的峰值,以及持續(xù)的扭矩,適用于位移系統(tǒng)的高加速度和快速減速中的驅(qū)動(dòng)伺服系統(tǒng)。扭矩與輸入電流直接呈比例關(guān)系。電機(jī)軸速與輸入的電壓相關(guān)。輸入電壓越高,電機(jī)的速度就越高。扭矩和速度的比的曲線呈線性的。
新聞:常州SMT設(shè)備專用步進(jìn)電機(jī)34HS6828

CH1500-3-S-B-G1-LT-H6
CH1500-5-S-B-G1-LT-H6
CH1500-10-S-B-G1-LT-H6
CH1500-15-S-B-G1-LT-H6
CH1500-20-S-B-G1-LT-H6
CH1500-25-S-B-G1-LT-H6
CH1500-30-S-B-G1-LT-H6
CH1500-40-S-B-G1-LT-H6
CH1500-45-S-B-G1-LT-H6
CH1500-50-S-B-G1-LT-H6
CH1500-60-S-B-G1-LT-H6
CH1500-70-S-B-G1-LT-H6
CH1500-80-S-B-G1-LT-H6
CH1500-90-S-B-G1-LT-H6
CH1500-100-S-B-G1-LT-H6
CH1500-120-S-B-G1-LT-H6
CH1500-140-S-B-G1-LT-H6
CH1500-160-S-B-G1-LT-H6
CH1500-180-S-B-G1-LT-H6
CH1500-200-S-B-G1-LT-H6
CH2200-3-S-B-G1-LT-H6
CH2200-5-S-B-G1-LT-H6
CH2200-10-S-B-G1-LT-H6
CH2200-15-S-B-G1-LT-H6
CH2200-20-S-B-G1-LT-H6
CH2200-25-S-B-G1-LT-H6
CH2200-30-S-B-G1-LT-H6
CH2200-40-S-B-G1-LT-H6
CH2200-45-S-B-G1-LT-H6
CH2200-50-S-B-G1-LT-H6
CH2200-60-S-B-G1-LT-H6
CH2200-70-S-B-G1-LT-H6
CH2200-80-S-B-G1-LT-H6
CH2200-90-S-B-G1-LT-H6
CH2200-100-S-B-G1-LT-H6
CH2200-120-S-B-G1-LT-H6
CH2200-140-S-B-G1-LT-H6
CH2200-160-S-B-G1-LT-H6
CH2200-180-S-B-G1-LT-H6
CH2200-200-S-B-G1-LT-H6
CH3700-3-S-B-G1-LT-H6
CH3700-5-S-B-G1-LT-H6
CH3700-10-S-B-G1-LT-H6
CH3700-15-S-B-G1-LT-H6
CH3700-20-S-B-G1-LT-H6
CH3700-25-S-B-G1-LT-H6
CH3700-30-S-B-G1-LT-H6
CH3700-40-S-B-G1-LT-H6
CH3700-45-S-B-G1-LT-H6
CH3700-50-S-B-G1-LT-H6
CH3700-60-S-B-G1-LT-H6
CH3700-70-S-B-G1-LT-H6
CH3700-80-S-B-G1-LT-H6
CH3700-90-S-B-G1-LT-H6
CH3700-100-S-B-G1-LT-H6
CH3700-120-S-B-G1-LT-H6
CH3700-140-S-B-G1-LT-H6
CH3700-160-S-B-G1-LT-H6
CH3700-180-S-B-G1-LT-H6
CH3700-200-S-B-G1-LT-H6
CH100-3-S-G1-LD-H3
CH100-5-S-G1-LD-H3
CH100-10-S-G1-LD-H3
CH100-15-S-G1-LD-H3
CH100-20-S-G1-LD-H3
CH100-25-S-G1-LD-H3
CH100-30-S-G1-LD-H3
CH100-40-S-G1-LD-H3
CH100-45-S-G1-LD-H3
CH100-50-S-G1-LD-H3
CH100-60-S-G1-LD-H3
CH100-70-S-G1-LD-H3
CH100-80-S-G1-LD-H3
CH100-90-S-G1-LD-H3
CH100-100-S-G1-LD-H3
CH100-120-S-G1-LD-H3
CH100-140-S-G1-LD-H3
CH100-160-S-G1-LD-H3
CH100-180-S-G1-LD-H3
CH100-200-S-G1-LD-H3
新聞:常州SMT設(shè)備專用步進(jìn)電機(jī)34HS6828