新聞:寮步鎮雕刻機專用步進電機57BT098P2銷售部
盡管直流電機調速就其性能而言,可以相當滿意,但因其結構夏雜,慣量大,維護麻煩,不適宜在惡劣環境中運行,不易實現大容量化、高壓化、高速化,而且價格昂貴。
2、交流電機調速方法:
交流電機剛好相反。交流電機結構簡單、慣量小、維護方便,可在惡劣環境中運行,容易實現大容量化、高壓化、高速化,而且價格低廉。
從節能的角度看,交流電機的調速裝置可以分為調速裝置和低效調速裝置兩大類。調速裝置的特點是:調速時基本保持額定轉差,不增加轉差損耗,或可以將轉差動率回饋至電網。
低效調速裝置的特點是:調速時改變轉差,增加轉差損耗。
調速方法包括:改變極對數調速—鼠籠式電機變頻調速—鼠籠式電機串級調速—繞線式電機換向器電機調速—同步電機。
低效調速方法包括:定子調壓調速—鼠籠式電機電磁滑差離合器調速—鼠籠式電機轉子串電阻調速—繞線式電機。
新聞:寮步鎮雕刻機專用步進電機57BT098P2銷售部
CH3700-3-S-G2-RD-H3
CH3700-5-S-G2-RD-H3
CH3700-10-S-G2-RD-H3
CH3700-15-S-G2-RD-H3
CH3700-20-S-G2-RD-H3
CH3700-25-S-G2-RD-H3
CH3700-30-S-G2-RD-H3
CH3700-40-S-G2-RD-H3
CH3700-45-S-G2-RD-H3
CH3700-50-S-G2-RD-H3
CH3700-60-S-G2-RD-H3
CH3700-70-S-G2-RD-H3
CH3700-80-S-G2-RD-H3
CH3700-90-S-G2-RD-H3
CH3700-100-S-G2-RD-H3
CH3700-120-S-G2-RD-H3
CH3700-140-S-G2-RD-H3
CH3700-160-S-G2-RD-H3
CH3700-180-S-G2-RD-H3
CH3700-200-S-G2-RD-H3
CH100-3-S-B-G2-RD-H3
CH100-5-S-B-G2-RD-H3
CH100-10-S-B-G2-RD-H3
CH100-15-S-B-G2-RD-H3
CH100-20-S-B-G2-RD-H3
CH100-25-S-B-G2-RD-H3
CH100-30-S-B-G2-RD-H3
CH100-40-S-B-G2-RD-H3
CH100-45-S-B-G2-RD-H3
CH100-50-S-B-G2-RD-H3
CH100-60-S-B-G2-RD-H3
CH100-70-S-B-G2-RD-H3
CH100-80-S-B-G2-RD-H3
CH100-90-S-B-G2-RD-H3
CH100-100-S-B-G2-RD-H3
CH100-120-S-B-G2-RD-H3
CH100-140-S-B-G2-RD-H3
CH100-160-S-B-G2-RD-H3
CH100-180-S-B-G2-RD-H3
CH100-200-S-B-G2-RD-H3
CH200-3-S-B-G2-RD-H3
CH200-5-S-B-G2-RD-H3
CH200-10-S-B-G2-RD-H3
CH200-15-S-B-G2-RD-H3
CH200-20-S-B-G2-RD-H3
CH200-25-S-B-G2-RD-H3
CH200-30-S-B-G2-RD-H3
CH200-40-S-B-G2-RD-H3
CH200-45-S-B-G2-RD-H3
CH200-50-S-B-G2-RD-H3
CH200-60-S-B-G2-RD-H3
CH200-70-S-B-G2-RD-H3
CH200-80-S-B-G2-RD-H3
CH200-90-S-B-G2-RD-H3
CH200-100-S-B-G2-RD-H3
CH200-120-S-B-G2-RD-H3
CH200-140-S-B-G2-RD-H3
CH200-160-S-B-G2-RD-H3
CH200-180-S-B-G2-RD-H3
CH200-200-S-B-G2-RD-H3
CH400-3-S-B-G2-RD-H3
CH400-5-S-B-G2-RD-H3
CH400-10-S-B-G2-RD-H3
CH400-15-S-B-G2-RD-H3
CH400-20-S-B-G2-RD-H3
CH400-25-S-B-G2-RD-H3
CH400-30-S-B-G2-RD-H3
CH400-40-S-B-G2-RD-H3
CH400-45-S-B-G2-RD-H3
CH400-50-S-B-G2-RD-H3
CH400-60-S-B-G2-RD-H3
CH400-70-S-B-G2-RD-H3
CH400-80-S-B-G2-RD-H3
CH400-90-S-B-G2-RD-H3
CH400-100-S-B-G2-RD-H3
CH400-120-S-B-G2-RD-H3
CH400-140-S-B-G2-RD-H3
CH400-160-S-B-G2-RD-H3
CH400-180-S-B-G2-RD-H3
CH400-200-S-B-G2-RD-H3
一般來說,消費者上、下、左、右轉動手柄,若感覺輕便、無阻滯感則說明閥芯較好。要檢測書:質量更有保證水龍頭主體一般都是黃銅。用黃銅制作的產品電鍍質量能保證,黃銅純度越高電鍍質量越好,表面的電鍍層越不易被腐蝕。有些廠家為了降低成本,選用鋅合金代替黃銅,雖然允許使用鋅合金材料代替黃銅,但鋅合金電鍍質量差,耐腐性不強。消費者在選購時可采用估重的方法進行鑒別,黃銅較重較硬,鋅合金較輕較軟。但闊達裝飾主材部有關認為,不應單以重量來判定水龍頭質量好壞,因為有些廠家通過加大水龍頭壁厚或加入其它金屬材料,也可以使水龍頭掂起來較重。
2.1.2 普通無刷直流電機
將有刷直流電機改為無刷直流電機,所不同的是定子為多相散嵌繞組,而轉子為永磁磁極。這類電機轉速設計的較低,一般不需減速機構,電機轉速500~1000r/min。電機裝于自行車的中軸上(習慣稱中置電機)。由于采用無刷電機,因此這類電機通過驅動線路控制很容易實現調速。
2.1.3 印制繞組、線繞盤式直流電機
采用這兩種電機的主要目的是利用這類電機薄餅式結構特點,使電機整體便于在自行車上合理安放。這類電機轉速較高,3000~4000r/min,電機功率較大。本類電機需要與減速齒輪機構相配才能用于電動自行車上。線繞盤式直流電機由于其繞組參數便于調整,因此設計上可使電機特性有較大的變化,能適應多種負載特性要求。
新聞:寮步鎮雕刻機專用步進電機57BT098P2銷售部
CV100-3-S-B-G4-DR-V9
CV100-5-S-B-G4-DR-V9
CV100-10-S-B-G4-DR-V9
CV100-15-S-B-G4-DR-V9
CV100-20-S-B-G4-DR-V9
CV100-25-S-B-G4-DR-V9
CV100-30-S-B-G4-DR-V9
CV100-40-S-B-G4-DR-V9
CV100-45-S-B-G4-DR-V9
CV100-50-S-B-G4-DR-V9
CV100-60-S-B-G4-DR-V9
CV100-70-S-B-G4-DR-V9
CV100-80-S-B-G4-DR-V9
CV100-90-S-B-G4-DR-V9
CV100-100-S-B-G4-DR-V9
CV100-120-S-B-G4-DR-V9
CV100-140-S-B-G4-DR-V9
CV100-160-S-B-G4-DR-V9
CV100-180-S-B-G4-DR-V9
CV100-200-S-B-G4-DR-V9
CV200-3-S-B-G4-DR-V9
CV200-5-S-B-G4-DR-V9
CV200-10-S-B-G4-DR-V9
CV200-15-S-B-G4-DR-V9
CV200-20-S-B-G4-DR-V9
CV200-25-S-B-G4-DR-V9
CV200-30-S-B-G4-DR-V9
CV200-40-S-B-G4-DR-V9
CV200-45-S-B-G4-DR-V9
CV200-50-S-B-G4-DR-V9
CV200-60-S-B-G4-DR-V9
CV200-70-S-B-G4-DR-V9
CV200-80-S-B-G4-DR-V9
CV200-90-S-B-G4-DR-V9
CV200-100-S-B-G4-DR-V9
CV200-120-S-B-G4-DR-V9
CV200-140-S-B-G4-DR-V9
CV200-160-S-B-G4-DR-V9
CV200-180-S-B-G4-DR-V9
CV200-200-S-B-G4-DR-V9
CV400-3-S-B-G4-DR-V9
CV400-5-S-B-G4-DR-V9
CV400-10-S-B-G4-DR-V9
CV400-15-S-B-G4-DR-V9
CV400-20-S-B-G4-DR-V9
CV400-25-S-B-G4-DR-V9
CV400-30-S-B-G4-DR-V9
CV400-40-S-B-G4-DR-V9
CV400-45-S-B-G4-DR-V9
CV400-50-S-B-G4-DR-V9
CV400-60-S-B-G4-DR-V9
CV400-70-S-B-G4-DR-V9
CV400-80-S-B-G4-DR-V9
CV400-90-S-B-G4-DR-V9
CV400-100-S-B-G4-DR-V9
CV400-120-S-B-G4-DR-V9
CV400-140-S-B-G4-DR-V9
CV400-160-S-B-G4-DR-V9
CV400-180-S-B-G4-DR-V9
CV400-200-S-B-G4-DR-V9
CV750-3-S-B-G4-DR-V9
CV750-5-S-B-G4-DR-V9
CV750-10-S-B-G4-DR-V9
CV750-15-S-B-G4-DR-V9
CV750-20-S-B-G4-DR-V9
CV750-25-S-B-G4-DR-V9
CV750-30-S-B-G4-DR-V9
CV750-40-S-B-G4-DR-V9
CV750-45-S-B-G4-DR-V9
CV750-50-S-B-G4-DR-V9
CV750-60-S-B-G4-DR-V9
CV750-70-S-B-G4-DR-V9
CV750-80-S-B-G4-DR-V9
CV750-90-S-B-G4-DR-V9
CV750-100-S-B-G4-DR-V9
CV750-120-S-B-G4-DR-V9
CV750-140-S-B-G4-DR-V9
CV750-160-S-B-G4-DR-V9
CV750-180-S-B-G4-DR-V9
CV750-200-S-B-G4-DR-V9
不僅產品的物理性能達到或超過標準,在施工性能上也有了質的飛躍,涂膜平整刷痕少,色澤柔和。除此之外,在價格上比國外產品具有較大優勢,是很有發展前途的。乳膠涂料的判斷和鑒別方法:1.開罐效果好,無分水、無淀粉、無銹蝕、無霉變。施工效果好,無刷痕、輥痕,單位涂刷面積大,遮蓋力好。遮蓋力是指把涂料均勻地涂刷在墻體表面上,使其底色不再呈現的用量,以克/平方米表示。該數值越小越好,說明單位面積用量少。

新聞:寮步鎮雕刻機專用步進電機57BT098P2銷售部