新聞:肅北蒙古族自治縣IC分選機(jī)專用步進(jìn)電機(jī)60SHD6602原廠
2.直流電機(jī)的勵(lì)磁方式是指對(duì)勵(lì)磁繞組如何供電、產(chǎn)生勵(lì)磁磁通勢(shì)而建立主磁場(chǎng)的問(wèn)題。根據(jù)勵(lì)磁方式的不同,直流電機(jī)可分為下列幾種類型。
1.他勵(lì)直流電機(jī)
勵(lì)磁繞組與電樞繞組無(wú)聯(lián)接關(guān)系,而由其他直流電源對(duì)勵(lì)磁繞組供電的直流電機(jī)稱為他勵(lì)直流電機(jī)。永磁直流電機(jī)也可看作他勵(lì)直流電機(jī)。
2.并勵(lì)直流電機(jī)
并勵(lì)直流電機(jī)的勵(lì)磁繞組與電樞繞組相并聯(lián),接線如圖(b)所示。作為并勵(lì)發(fā)電機(jī)來(lái)說(shuō),是電機(jī)本身發(fā)出來(lái)的端電壓為勵(lì)磁繞組供電;作為并勵(lì)電動(dòng)機(jī)來(lái)說(shuō),勵(lì)磁繞組與電樞共用同一電源,從性能上講與他勵(lì)直流電動(dòng)機(jī)相同。
3.串勵(lì)直流電機(jī)
串勵(lì)直流電機(jī)的勵(lì)磁繞組與電樞繞組串聯(lián)后,再接于直流電源,接線如圖(c)所示。這種直流電機(jī)的勵(lì)磁電流就是電樞電流。
4.復(fù)勵(lì)直流電機(jī)
復(fù)勵(lì)直流電機(jī)有并勵(lì)和串勵(lì)兩個(gè)勵(lì)磁繞組,接線如圖(d)所示。若串勵(lì)繞組產(chǎn)生的磁通勢(shì)與并勵(lì)繞組產(chǎn)生的磁通勢(shì)方向相同稱為積復(fù)勵(lì)。若兩個(gè)磁通勢(shì)方向相反,則稱為差復(fù)勵(lì)。
新聞:肅北蒙古族自治縣IC分選機(jī)專用步進(jìn)電機(jī)60SHD6602原廠
CH750-3-S-G4-DL-H6
CH750-5-S-G4-DL-H6
CH750-10-S-G4-DL-H6
CH750-15-S-G4-DL-H6
CH750-20-S-G4-DL-H6
CH750-25-S-G4-DL-H6
CH750-30-S-G4-DL-H6
CH750-40-S-G4-DL-H6
CH750-45-S-G4-DL-H6
CH750-50-S-G4-DL-H6
CH750-60-S-G4-DL-H6
CH750-70-S-G4-DL-H6
CH750-80-S-G4-DL-H6
CH750-90-S-G4-DL-H6
CH750-100-S-G4-DL-H6
CH750-120-S-G4-DL-H6
CH750-140-S-G4-DL-H6
CH750-160-S-G4-DL-H6
CH750-180-S-G4-DL-H6
CH750-200-S-G4-DL-H6
CH1500-3-S-G4-DL-H6
CH1500-5-S-G4-DL-H6
CH1500-10-S-G4-DL-H6
CH1500-15-S-G4-DL-H6
CH1500-20-S-G4-DL-H6
CH1500-25-S-G4-DL-H6
CH1500-30-S-G4-DL-H6
CH1500-40-S-G4-DL-H6
CH1500-45-S-G4-DL-H6
CH1500-50-S-G4-DL-H6
CH1500-60-S-G4-DL-H6
CH1500-70-S-G4-DL-H6
CH1500-80-S-G4-DL-H6
CH1500-90-S-G4-DL-H6
CH1500-100-S-G4-DL-H6
CH1500-120-S-G4-DL-H6
CH1500-140-S-G4-DL-H6
CH1500-160-S-G4-DL-H6
CH1500-180-S-G4-DL-H6
CH1500-200-S-G4-DL-H6
CH2200-3-S-G4-DL-H6
CH2200-5-S-G4-DL-H6
CH2200-10-S-G4-DL-H6
CH2200-15-S-G4-DL-H6
CH2200-20-S-G4-DL-H6
CH2200-25-S-G4-DL-H6
CH2200-30-S-G4-DL-H6
CH2200-40-S-G4-DL-H6
CH2200-45-S-G4-DL-H6
CH2200-50-S-G4-DL-H6
CH2200-60-S-G4-DL-H6
CH2200-70-S-G4-DL-H6
CH2200-80-S-G4-DL-H6
CH2200-90-S-G4-DL-H6
CH2200-100-S-G4-DL-H6
CH2200-120-S-G4-DL-H6
CH2200-140-S-G4-DL-H6
CH2200-160-S-G4-DL-H6
CH2200-180-S-G4-DL-H6
CH2200-200-S-G4-DL-H6
高錳鋼因其高的耐磨性廣泛應(yīng)用在礦山機(jī)械、冶金等領(lǐng)域。高錳鋼使用前易產(chǎn)生熱裂,使用過(guò)程中會(huì)出現(xiàn)脆斷、崩裂及使用壽命短等缺點(diǎn)。采用表面強(qiáng)化處理,可以提高高錳鋼產(chǎn)品原始硬度,減少產(chǎn)品初期磨損,常見(jiàn)方法有:表面脫碳技術(shù)利用形變馬氏體機(jī)制,可以通過(guò)降低高錳鋼鑄件表面含碳量來(lái)使其表面出現(xiàn)形變馬氏體,用以強(qiáng)化高錳鋼,提高耐磨性?捎玫谋砻婷撎技夹g(shù)有:1還原性氣氛下加熱,通過(guò)H2與表面基體的化學(xué)反應(yīng)實(shí)現(xiàn)表面脫碳。
用伺服電機(jī)替代步進(jìn)電機(jī)時(shí)應(yīng)注意哪些問(wèn)題:
1、為了保證控制系統(tǒng)改變不大,應(yīng)選用數(shù)字式伺服系統(tǒng),可仍采用原來(lái)的脈沖控制方式;
2、由于伺服電機(jī)的過(guò)載能力強(qiáng),可以參照原步進(jìn)電機(jī)額定輸出扭矩的1/3來(lái)確定伺服電機(jī)的額定扭矩;
3、因?yàn)樗欧姍C(jī)的額定轉(zhuǎn)速比步進(jìn)電機(jī)要高得多,增加減速裝置,讓伺服電機(jī)工作在接近額定轉(zhuǎn)速下,
這樣也可以選擇功率更小的電機(jī),以降低成本。
新聞:肅北蒙古族自治縣IC分選機(jī)專用步進(jìn)電機(jī)60SHD6602原廠
CV100-3-S-G2-RT-V3
CV100-5-S-G2-RT-V3
CV100-10-S-G2-RT-V3
CV100-15-S-G2-RT-V3
CV100-20-S-G2-RT-V3
CV100-25-S-G2-RT-V3
CV100-30-S-G2-RT-V3
CV100-40-S-G2-RT-V3
CV100-45-S-G2-RT-V3
CV100-50-S-G2-RT-V3
CV100-60-S-G2-RT-V3
CV100-70-S-G2-RT-V3
CV100-80-S-G2-RT-V3
CV100-90-S-G2-RT-V3
CV100-100-S-G2-RT-V3
CV100-120-S-G2-RT-V3
CV100-140-S-G2-RT-V3
CV100-160-S-G2-RT-V3
CV100-180-S-G2-RT-V3
CV100-200-S-G2-RT-V3
CV200-3-S-G2-RT-V3
CV200-5-S-G2-RT-V3
CV200-10-S-G2-RT-V3
CV200-15-S-G2-RT-V3
CV200-20-S-G2-RT-V3
CV200-25-S-G2-RT-V3
CV200-30-S-G2-RT-V3
CV200-40-S-G2-RT-V3
CV200-45-S-G2-RT-V3
CV200-50-S-G2-RT-V3
CV200-60-S-G2-RT-V3
CV200-70-S-G2-RT-V3
CV200-80-S-G2-RT-V3
CV200-90-S-G2-RT-V3
CV200-100-S-G2-RT-V3
CV200-120-S-G2-RT-V3
CV200-140-S-G2-RT-V3
CV200-160-S-G2-RT-V3
CV200-180-S-G2-RT-V3
CV200-200-S-G2-RT-V3
CV400-3-S-G2-RT-V3
CV400-5-S-G2-RT-V3
CV400-10-S-G2-RT-V3
CV400-15-S-G2-RT-V3
CV400-20-S-G2-RT-V3
CV400-25-S-G2-RT-V3
CV400-30-S-G2-RT-V3
CV400-40-S-G2-RT-V3
CV400-45-S-G2-RT-V3
CV400-50-S-G2-RT-V3
CV400-60-S-G2-RT-V3
CV400-70-S-G2-RT-V3
CV400-80-S-G2-RT-V3
CV400-90-S-G2-RT-V3
CV400-100-S-G2-RT-V3
CV400-120-S-G2-RT-V3
CV400-140-S-G2-RT-V3
CV400-160-S-G2-RT-V3
CV400-180-S-G2-RT-V3
CV400-200-S-G2-RT-V3
CV750-3-S-G2-RT-V3
CV750-5-S-G2-RT-V3
CV750-10-S-G2-RT-V3
CV750-15-S-G2-RT-V3
CV750-20-S-G2-RT-V3
CV750-25-S-G2-RT-V3
CV750-30-S-G2-RT-V3
CV750-40-S-G2-RT-V3
CV750-45-S-G2-RT-V3
CV750-50-S-G2-RT-V3
CV750-60-S-G2-RT-V3
CV750-70-S-G2-RT-V3
CV750-80-S-G2-RT-V3
CV750-90-S-G2-RT-V3
CV750-100-S-G2-RT-V3
CV750-120-S-G2-RT-V3
CV750-140-S-G2-RT-V3
CV750-160-S-G2-RT-V3
CV750-180-S-G2-RT-V3
CV750-200-S-G2-RT-V3
中度清洗:用噴碼機(jī)上的手動(dòng)氣泵將噴嘴外的油墨打掉,使噴頭保持暢通。重度清洗:清洗前先將帶清洗管的注射器吸滿清洗液;清洗時(shí),先拔下墨管,然后將清洗管插入噴頭進(jìn)墨口中,使帶有壓力的清洗液從進(jìn)墨管進(jìn)噴頭,直至噴頭內(nèi)油墨被沖干凈。深度清洗:噴頭噴嘴堵塞嚴(yán)重的噴頭必須拆下清洗,可長(zhǎng)時(shí)間浸泡(溶解噴嘴內(nèi)凝結(jié)的油墨)或用超聲波清洗機(jī)清洗(注意清洗時(shí)間不能太長(zhǎng),以避免損害噴頭電路),也可直接交給清洗噴頭的單位處理。

新聞:肅北蒙古族自治縣IC分選機(jī)專用步進(jìn)電機(jī)60SHD6602原廠