產(chǎn)品詳情
2.直流電機(jī)特點(diǎn)
定子
1、主磁極
主磁極的作用是產(chǎn)生氣隙磁場。主磁極由主磁極鐵心和勵(lì)磁繞組兩部分組成。鐵心一般用0.5mm~1.5mm厚的硅鋼板沖片疊壓鉚緊而成,分為極身和極靴兩部分,上面套勵(lì)磁繞組的部分稱為極身,下面擴(kuò)寬的部分稱為極靴,極靴寬于極身,既可以調(diào)整氣隙中磁場的分布,又便于固定勵(lì)磁繞組。勵(lì)磁繞組用絕緣銅線繞制而成,套在主磁極鐵心上。整個(gè)主磁極用螺釘固定在機(jī)座上,
2、換向極
換向極的作用是改善換向,減小電機(jī)運(yùn)行時(shí)電刷與換向器之間可能產(chǎn)生的換向火花,一般裝在兩個(gè)相鄰主磁極之間,由換向極鐵心和換向極繞組組成。換向極繞組用絕緣導(dǎo)線繞制而成,套在換向極鐵心上,換向極的數(shù)目與主磁極相等。
新聞:壽寧縣貼標(biāo)機(jī)專用步進(jìn)電機(jī)42BYGH5402性能
CV100-3-S-B-G3-TR-V0 CV100-5-S-B-G3-TR-V0 CV100-10-S-B-G3-TR-V0 CV100-15-S-B-G3-TR-V0 CV100-20-S-B-G3-TR-V0 CV100-25-S-B-G3-TR-V0 CV100-30-S-B-G3-TR-V0 CV100-40-S-B-G3-TR-V0 CV100-45-S-B-G3-TR-V0 CV100-50-S-B-G3-TR-V0 CV100-60-S-B-G3-TR-V0 CV100-70-S-B-G3-TR-V0 CV100-80-S-B-G3-TR-V0 CV100-90-S-B-G3-TR-V0 CV100-100-S-B-G3-TR-V0 CV100-120-S-B-G3-TR-V0 CV100-140-S-B-G3-TR-V0 CV100-160-S-B-G3-TR-V0 CV100-180-S-B-G3-TR-V0 CV100-200-S-B-G3-TR-V0 CV200-3-S-B-G3-TR-V0 CV200-5-S-B-G3-TR-V0 CV200-10-S-B-G3-TR-V0 CV200-15-S-B-G3-TR-V0 CV200-20-S-B-G3-TR-V0 CV200-25-S-B-G3-TR-V0 CV200-30-S-B-G3-TR-V0 CV200-40-S-B-G3-TR-V0 CV200-45-S-B-G3-TR-V0 CV200-50-S-B-G3-TR-V0 CV200-60-S-B-G3-TR-V0 CV200-70-S-B-G3-TR-V0 CV200-80-S-B-G3-TR-V0 CV200-90-S-B-G3-TR-V0 CV200-100-S-B-G3-TR-V0 CV200-120-S-B-G3-TR-V0 CV200-140-S-B-G3-TR-V0 CV200-160-S-B-G3-TR-V0 CV200-180-S-B-G3-TR-V0 CV200-200-S-B-G3-TR-V0 CV400-3-S-B-G3-TR-V0 CV400-5-S-B-G3-TR-V0 CV400-10-S-B-G3-TR-V0 CV400-15-S-B-G3-TR-V0 CV400-20-S-B-G3-TR-V0 CV400-25-S-B-G3-TR-V0 CV400-30-S-B-G3-TR-V0 CV400-40-S-B-G3-TR-V0 CV400-45-S-B-G3-TR-V0 CV400-50-S-B-G3-TR-V0 CV400-60-S-B-G3-TR-V0 CV400-70-S-B-G3-TR-V0 CV400-80-S-B-G3-TR-V0 CV400-90-S-B-G3-TR-V0 CV400-100-S-B-G3-TR-V0 CV400-120-S-B-G3-TR-V0 CV400-140-S-B-G3-TR-V0 CV400-160-S-B-G3-TR-V0 CV400-180-S-B-G3-TR-V0 CV400-200-S-B-G3-TR-V0 CV750-3-S-B-G3-TR-V0 CV750-5-S-B-G3-TR-V0 CV750-10-S-B-G3-TR-V0 CV750-15-S-B-G3-TR-V0 CV750-20-S-B-G3-TR-V0 CV750-25-S-B-G3-TR-V0 CV750-30-S-B-G3-TR-V0 CV750-40-S-B-G3-TR-V0 CV750-45-S-B-G3-TR-V0 CV750-50-S-B-G3-TR-V0 CV750-60-S-B-G3-TR-V0 CV750-70-S-B-G3-TR-V0 CV750-80-S-B-G3-TR-V0 CV750-90-S-B-G3-TR-V0 CV750-100-S-B-G3-TR-V0 CV750-120-S-B-G3-TR-V0 CV750-140-S-B-G3-TR-V0 CV750-160-S-B-G3-TR-V0 CV750-180-S-B-G3-TR-V0 CV750-200-S-B-G3-TR-V0
一般速度為4次/min,硬度較高的材料要更低一些。兩手用力推進(jìn)的方向應(yīng)與鋸口方向一致,防止彎曲,避免過度用力推進(jìn)和快進(jìn),以防止推斷鋸條。工件將要鋸斷時(shí),要目視鋸削處,左手扶住將要鋸斷部分材料,右手推鋸,壓力要小,推進(jìn)減慢,行程要小。鋸削鋼管時(shí),次鋸?fù)负?,可將管子沿著手鋸的推進(jìn)方向旋轉(zhuǎn)一個(gè)較小的角度,再沿原鋸縫進(jìn)行下一次鋸削。若管材背離推進(jìn)方向旋轉(zhuǎn),鋸削時(shí),管壁會卡住鋸齒,有可能將鋸齒崩裂或使手鋸劇烈跳動,使鋸削不平穩(wěn)。
減速機(jī)的種類常見減速機(jī)的種類:
?。?蝸輪蝸桿減速機(jī)的主要特點(diǎn)是具有反向自鎖功能,可以有較大的減速比,輸入軸和輸出軸不在同一軸線上,也不在同一平面上。但是一般體積較大,傳動效率不高,精度不高。
?。?諧波減速器的諧波傳動是利用柔性元件可控的彈性變形來傳遞運(yùn)動和動力的,體積不大、精度很高,但缺點(diǎn)是柔輪壽命有限、不耐沖擊,剛性與金屬件相比較差。輸入轉(zhuǎn)速不能太高。
) 行星減速器其優(yōu)點(diǎn)是結(jié)構(gòu)比較緊湊,回程間隙小、精度較高,使用壽命很長,額定輸出扭矩可以做的很大。但價(jià)格略貴。
四、性能比較:
蝸輪蝸桿減速器 諧波減速器 行星減速器體積背隙 低 高 高剛性 高 中 低壽命 中 短 長效率 低 高 高輸入轉(zhuǎn)速 3000以上 2000以下 2000以下
新聞:壽寧縣貼標(biāo)機(jī)專用步進(jìn)電機(jī)42BYGH5402性能
CH2200-3-S-G1-LD-H0 CH2200-5-S-G1-LD-H0 CH2200-10-S-G1-LD-H0 CH2200-15-S-G1-LD-H0 CH2200-20-S-G1-LD-H0 CH2200-25-S-G1-LD-H0 CH2200-30-S-G1-LD-H0 CH2200-40-S-G1-LD-H0 CH2200-45-S-G1-LD-H0 CH2200-50-S-G1-LD-H0 CH2200-60-S-G1-LD-H0 CH2200-70-S-G1-LD-H0 CH2200-80-S-G1-LD-H0 CH2200-90-S-G1-LD-H0 CH2200-100-S-G1-LD-H0 CH2200-120-S-G1-LD-H0 CH2200-140-S-G1-LD-H0 CH2200-160-S-G1-LD-H0 CH2200-180-S-G1-LD-H0 CH2200-200-S-G1-LD-H0 CH3700-3-S-G1-LD-H0 CH3700-5-S-G1-LD-H0 CH3700-10-S-G1-LD-H0 CH3700-15-S-G1-LD-H0 CH3700-20-S-G1-LD-H0 CH3700-25-S-G1-LD-H0 CH3700-30-S-G1-LD-H0 CH3700-40-S-G1-LD-H0 CH3700-45-S-G1-LD-H0 CH3700-50-S-G1-LD-H0 CH3700-60-S-G1-LD-H0 CH3700-70-S-G1-LD-H0 CH3700-80-S-G1-LD-H0 CH3700-90-S-G1-LD-H0 CH3700-100-S-G1-LD-H0 CH3700-120-S-G1-LD-H0 CH3700-140-S-G1-LD-H0 CH3700-160-S-G1-LD-H0 CH3700-180-S-G1-LD-H0 CH3700-200-S-G1-LD-H0 CH100-3-S-B-G1-LD-H0 CH100-5-S-B-G1-LD-H0 CH100-10-S-B-G1-LD-H0 CH100-15-S-B-G1-LD-H0 CH100-20-S-B-G1-LD-H0 CH100-25-S-B-G1-LD-H0 CH100-30-S-B-G1-LD-H0 CH100-40-S-B-G1-LD-H0 CH100-45-S-B-G1-LD-H0 CH100-50-S-B-G1-LD-H0 CH100-60-S-B-G1-LD-H0 CH100-70-S-B-G1-LD-H0 CH100-80-S-B-G1-LD-H0 CH100-90-S-B-G1-LD-H0 CH100-100-S-B-G1-LD-H0 CH100-120-S-B-G1-LD-H0 CH100-140-S-B-G1-LD-H0 CH100-160-S-B-G1-LD-H0 CH100-180-S-B-G1-LD-H0 CH100-200-S-B-G1-LD-H0 CH200-3-S-B-G1-LD-H0 CH200-5-S-B-G1-LD-H0 CH200-10-S-B-G1-LD-H0 CH200-15-S-B-G1-LD-H0 CH200-20-S-B-G1-LD-H0 CH200-25-S-B-G1-LD-H0 CH200-30-S-B-G1-LD-H0 CH200-40-S-B-G1-LD-H0 CH200-45-S-B-G1-LD-H0 CH200-50-S-B-G1-LD-H0 CH200-60-S-B-G1-LD-H0 CH200-70-S-B-G1-LD-H0 CH200-80-S-B-G1-LD-H0 CH200-90-S-B-G1-LD-H0 CH200-100-S-B-G1-LD-H0 CH200-120-S-B-G1-LD-H0 CH200-140-S-B-G1-LD-H0 CH200-160-S-B-G1-LD-H0 CH200-180-S-B-G1-LD-H0 CH200-200-S-B-G1-LD-H0
為達(dá)到這一精度要求,需采用CCD攝像機(jī)完成前后布圖的對位。蝕刻以后,使用四鉆孔系統(tǒng)對內(nèi)層板穿孔。穿孔通過芯板,位置精度保持為.25mm(.1英寸),可重復(fù)能力為.125mm(.5英寸)。然后用針銷插入穿孔,將蝕刻后的內(nèi)層對位,同時(shí)把內(nèi)層粘合在一起。初,使用這種蝕刻后穿孔的方法可充分保證鉆孔與蝕刻銅板的對準(zhǔn),形成一種堅(jiān)固的環(huán)狀設(shè)計(jì)結(jié)構(gòu)。伴隨用戶在PCB走線方面要求在更小的面積內(nèi)布設(shè)越來越多的線路,為保持板子的固定成本不變,則要求蝕刻銅板的尺寸更小,從而要求層間銅板更好地對位。
新聞:壽寧縣貼標(biāo)機(jī)專用步進(jìn)電機(jī)42BYGH5402性能