SEEHONG磁性感應(yīng)開關(guān)_氣缸感應(yīng)傳感器,接近開關(guān)


SEEHONG磁性開關(guān)YIDA-MC01系列有:YIDA-MC01R,YIDA-MC01RD,YIDA-MC01N,YIDA-MC01P;
SEEHONG磁性開關(guān)YIDA-MC02系列有:YIDA-MC02R,YIDA-MC02RD, YIDA-MC02N,YIDA-MC02P;
SEEHONG磁性開關(guān)YIDA-MC03系列有:YIDA-MC03R,YIDA-MC03RD,YIDA-MC03N,YIDA-MC03P;
SEEHONG磁性開關(guān)YIDA-MC04系列有:YIDA-MC04R,YIDA-MC04RD,YIDA-MC04N,YIDA-MC04P;
SEEHONG磁性開關(guān)YIDA-MC05系列有:YIDA-MC05R,YIDA-MC05RD,YIDA-MC05N,YIDA-MC05P;
SEEHONG磁性開關(guān)YIDA-MC06系列有:YIDA-MC06R,YIDA-MC06RD,YIDA-MC06N,YIDA-MC06P;
SEEHONG磁性開關(guān)YIDA-MC07系列有:YIDA-MC07R,YIDA-MC07RD,YIDA-MC07N,YIDA-MC07P;
SEEHONG磁性開關(guān)YIDA-MC08系列有:YIDA-MC08R,YIDA-MC08RD,YIDA-MC08N,YIDA-MC08P;
SEEHONG磁性開關(guān)YIDA-MC09系列有:YIDA-MC09R,YIDA-MC09RD,YIDA-MC09N,YIDA-MC09P;
SEEHONG磁性開關(guān)YIDA-MC10系列有:YIDA-MC10R,YIDA-MC10RD,YIDA-MC10N,YIDA-MC10P;
SEEHONG磁性開關(guān)YIDA-MC11系列有:YIDA-MC11R,YIDA-MC11RD,YIDA-MC11N,YIDA-MC11P;
SEEHONG磁性開關(guān)YIDA-MC12系列有:YIDA-MC12R,YIDA-MC12RD,YIDA-MC12N,YIDA-MC12P;
SEEHONG磁性開關(guān)YIDA-MC13系列有:YIDA-MC13R,YIDA-MC13RD,YIDA-MC13N,YIDA-MC13P;
SEEHONG磁性開關(guān)YIDA-MC14系列有:YIDA-MC14R,YIDA-MC04RD,YIDA-MC14N,YIDA-MC14P;
SEEHONG磁性開關(guān)YIDA-MC15系列有:YIDA-MC15R,YIDA-MC15RD,YIDA-MC15N,YIDA-MC15P;
SEEHONG磁性開關(guān)YIDA-MC16系列有:YIDA-MC16R,YIDA-MC16RD,YIDA-MC16N,YIDA-MC16P;
SEEHONG磁性開關(guān)YIDA-MC17系列有:YIDA-MC17R,YIDA-MC17RD,YIDA-MC17N,YIDA-MC17P;
SEEHONG磁性開關(guān)YIDA-MC18系列有:YIDA-MC18R,YIDA-MC18RD,YIDA-MC18N,YIDA-MC18P;
SEEHONG磁性開關(guān)YIDA-MC19系列有:YIDA-MC19R,YIDA-MC19RD,YIDA-MC19N,YIDA-MC19P;
SEEHONG磁性開關(guān)YIDA-MC20系列有:YIDA-MC20R,YIDA-MC20RD,YIDA-MC20N,YIDA-MC20P;
SEEHONG磁性開關(guān)YIDA-MC21系列有:YIDA-MC21R,YIDA-MC21RD,YIDA-MC21N,YIDA-MC21P;
SEEHONG磁性開關(guān)YIDA-MC22系列有:YIDA-MC22R,YIDA-MC22RD,YIDA-MC22N,YIDA-MC22P;
SEEHONG磁性開關(guān)YIDA-MC23系列有:YIDA-MC23R,YIDA-MC23RD,YIDA-MC23N,YIDA-MC23P;
SEEHONG磁性開關(guān)YIDA-MC24系列有:YIDA-MC24R,YIDA-MC24RD,YIDA-MC24N,YIDA-MC24P;
SEEHONG磁性開關(guān)YIDA-MC25系列有:YIDA-MC25R,YIDA-MC25RD,YIDA-MC25N,YIDA-MC25P;
SEEHONG磁性開關(guān)YIDA-MC26系列有:YIDA-MC26R,YIDA-MC26RD,YIDA-MC26N,YIDA-MC26P;
SEEHONG磁性開關(guān)YIDA-MC27系列有:YIDA-MC27R,YIDA-MC27RD,YIDA-MC27N,YIDA-MC27P;
SEEHONG磁性開關(guān)YIDA-MC28系列有:YIDA-MC28R,YIDA-MC28RD,YIDA-MC28N,YIDA-MC28P;
SEEHONG磁性開關(guān)YIDA-MC29系列有:YIDA-MC29R,YIDA-MC29RD,YIDA-MC29N,YIDA-MC29P;
SEEHONG磁性開關(guān)YIDA-MC30系列有:YIDA-MC30R,YIDA-MC30RD,YIDA-MC30N,YIDA-MC30P;
SEEHONG磁性開關(guān)YIDA-MC31系列有:YIDA-MC31R,YIDA-MC31RD,YIDA-MC31N,YIDA-MC31P;
SEEHONG磁性開關(guān)YIDA-MC32系列有:YIDA-MC32R,YIDA-MC32RD,YIDA-MC32N,YIDA-MC32P;
SEEHONG磁性開關(guān)YIDA-MC33系列有:YIDA-MC33R,YIDA-MC33RD,YIDA-MC33N,YIDA-MC33P;
SEEHONG 接近開關(guān)YIDA-MC34系列有:YIDA-MC34R,YIDA-MC34RD,YIDA-MC34N,YIDA-MC34P;
SEEHONG磁性開關(guān)YIDA-MC35系列有:YIDA-MC35R,YIDA-MC35RD,YIDA-MC35N,YIDA-MC35P;
SEEHONG磁性開關(guān)YIDA-MC36系列有:YIDA-MC36R,YIDA-MC36RD,YIDA-MC36N,YIDA-MC36P;
SEEHONG磁性開關(guān)YIDA-MC37系列有:YIDA-MC37R,YIDA-MC37RD,YIDA-MC37N,YIDA-MC37P;
SEEHONG磁性開關(guān)YIDA-MC38系列有:YIDA-MC38R,YIDA-MC38RD,YIDA-MC38N,YIDA-MC38P;
SEEHONG磁性開關(guān)YIDA-MC39系列有:YIDA-MC39R,YIDA-MC39RD,YIDA-MC39N,YIDA-MC39P;
SEEHONG磁性開關(guān)YIDA-MC40系列有:YIDA-MC40R,YIDA-MC40RV,YIDA-MC40RD,YIDA-MC40N,YIDA-MC40P;
SEEHONG磁性開關(guān)YIDA-MC41系列有:YIDA-MC41R,YIDA-MC41RV,YIDA-MC41RD,YIDA-MC41N,YIDA-MC41P;
SEEHONG磁性開關(guān)YIDA-MC42系列有:YIDA-MC42R,YIDA-MC42RV,YIDA-MC42RD,YIDA-MC42N,YIDA-MC42P;
SEEHONG磁性開關(guān)YIDA-MC43系列有:YIDA-MC43R,YIDA-MC43RV,YIDA-MC43RD,YIDA-MC43N,YIDA-MC43P;
SEEHONG磁性開關(guān)YIDA-MC44系列有:YIDA-MC44R,YIDA-MC44RV,YIDA-MC44RD,YIDA-MC44N,YIDA-MC44P;
SEEHONG磁性開關(guān)YIDA-MC50系列有:YIDA-MC50R,YIDA-MC50RV,YIDA-MC50RD,YIDA-MC50N,YIDA-MC50P;
SEEHONG磁性開關(guān)YIDA-MC51系列有:YIDA-MC51R,YIDA-MC51RV,YIDA-MC51RD,YIDA-MC51N,YIDA-MC51P;
SEEHONG磁性開關(guān)YIDA-MC70系列有:YIDA-MC70R,YIDA-MC70RV,YIDA-MC70RD,YIDA-MC70N,YIDA-MC70P;
SEEHONG磁性開關(guān)YIDA-MC71系列有:YIDA-MC71R,YIDA-MC71RV,YIDA-MC71RD,YIDA-MC71N,YIDA-MC71P;
SEEHONG磁性開關(guān)YIDA-MC72系列有:YIDA-MC72R,YIDA-MC72RD,YIDA-MC72RD,YIDA-MC72N,YIDA-MC72P;
液壓油泵的選用
在液壓系統(tǒng)的設(shè)計(jì)和使用中,選擇液壓泵時(shí)要考慮的因素有結(jié)構(gòu)類型、工作壓力、流量、轉(zhuǎn)速、效率(容積效率和總效率)、定量或變量、變量方式、壽命、原動機(jī)的種類、噪聲、壓力脈動率、自吸能力等,還要考慮與液壓油的相容性、尺寸、重量、經(jīng)濟(jì)性(購置費(fèi)用)、維修性、貨源及產(chǎn)品史。這些因素,有些已寫在液壓泵生產(chǎn)廠的產(chǎn)品樣本或設(shè)計(jì)手冊的技術(shù)圖表資料里,要仔細(xì)研究并應(yīng)嚴(yán)格遵照產(chǎn)品說明書中的規(guī)定,不明確的地方最好詢問貨源單位或制造廠。
(1)選擇原則液壓傳動的主機(jī)類型一類為固定設(shè)備;另一類是行走機(jī)械。這兩類機(jī)械的工作條件不同,因此液壓系統(tǒng)的主要特性參數(shù)以及液壓泵的選擇也有所不同。兩類主機(jī)液壓傳動的主要區(qū)別如下。
固定設(shè)備:
轉(zhuǎn)速:轉(zhuǎn)速固定,中速(1000~1800r/min)
壓力:機(jī)床一般低于7MPa,其他多數(shù)低于14MPa
工作溫度:中等(<70℃)
環(huán)境溫度:中等,變化不大
環(huán)境清潔度:較清潔
噪聲:要求低噪聲,一般70dB(A),不超過80dB(A)
尺寸及總量:空間寬裕,對尺寸和重量藥流松
行走機(jī)械:
轉(zhuǎn)速:轉(zhuǎn)速變化,高速(2000~3000r/min或更高),最低僅500~600r/min
壓力:一般高于14MPa,愈多場合高于21MPa
工作溫度:高(70~93℃,最高105℃)
環(huán)境溫度:變化很大
環(huán)境清潔度:較臟,有塵埃
噪聲:一般不太強(qiáng)調(diào),但應(yīng)低于90dB
尺寸及總量:空間有限制,尺寸應(yīng)小,重量應(yīng)輕
(2)液壓泵類型選擇齒輪泵、葉片泵、螺桿泵和柱塞泵的特點(diǎn)、優(yōu)勢及價(jià)格各異,應(yīng)根據(jù)主機(jī)類型及工況、功率大小、系統(tǒng)壓力高低及系統(tǒng)對泵性能的要求。目前,一般壓力低于21MPa的系統(tǒng),多采用齒輪泵和葉片泵,壓力高于21MPa的系統(tǒng),多采用柱塞泵。此外,還要考慮定量或變量、原動機(jī)類型、轉(zhuǎn)速、容積效率、總效率、自吸能力、噪聲等因素。
用定量泵還是用變量泵,需要仔細(xì)論證。定量泵簡單、價(jià)廉,變量泵復(fù)雜、價(jià)高,但可節(jié)能。定量泵與變量泵的適用場合見下表。葉片泵、軸向柱塞泵和徑向柱塞泵有定量泵,也有變量泵。變量泵(尤其是軸向變量柱塞泵)的變量機(jī)構(gòu)有多種形式??刂品椒ㄓ惺謩涌刂啤?nèi)部壓力控制、外部壓力控制、電磁閥控制、順序閥控制、比例閥控制、伺服閥控制等??刂平Y(jié)果有比例變量、恒壓變量、恒流變量、恒轉(zhuǎn)矩變量、恒功率變量、負(fù)載傳感變量等。并不是所有變量泵都有上述各種變量及控制方式。變量方式的選擇要適應(yīng)系統(tǒng)的要求,實(shí)際使用中要弄清這些變量方式的靜、動特性和使用方法。不同種類的泵、不同生產(chǎn)廠,其變量機(jī)構(gòu)的特性不同,選用時(shí)應(yīng)仔細(xì)查閱產(chǎn)品樣本或使用說明書。

定量泵與變量泵的適用場合:
定量泵
①液壓功率小于10kW,而且能源成本不是重要因素
②工作循環(huán)為開關(guān)式,而且泵在不工作時(shí)可完全卸載
③盡管負(fù)載變化很大,但在多數(shù)工況下需要泵輸出全部流量
④工作制不繁重,溫升不成問題
變量泵
①液壓功率大于10kW,流量需求變化很大
②要求大負(fù)載下小而靜謐的運(yùn)動和變負(fù)載下的快速運(yùn)動
③泵服務(wù)于可任意組合的多個(gè)負(fù)載
④要求很大的承載能力
⑤一個(gè)原動機(jī)驅(qū)動多個(gè)泵,而泵的裝機(jī)容量大于原動機(jī)功率
液壓泵還可以制成幾個(gè)泵(可以是同一類型的液壓泵或不同類型的泵)并聯(lián)在一起,并使用同一驅(qū)動軸的多聯(lián)泵,也可以制成油路串聯(lián)的多級泵。當(dāng)液壓系統(tǒng)一個(gè)工作周期內(nèi)流量變化很大時(shí),可以選用多聯(lián)泵。多聯(lián)泵通常有一個(gè)吸油口,多個(gè)出油口,各出油口的壓力油可分別向系統(tǒng)的不同執(zhí)行元件供油,也可合起來供給某一執(zhí)行元件。
在選擇液壓泵的類型和結(jié)構(gòu)時(shí),還應(yīng)考慮系統(tǒng)對液壓泵的其他要求,如重量、價(jià)格、使用壽命、可靠性、液壓泵的安裝方式、泵的驅(qū)動方式、泵與原動機(jī)的連接方式、泵的軸伸形式(圓柱形軸伸、帶外螺紋的圓錐形軸伸和漸開線花鍵等)、能否承受一定的徑向載荷、油口的連接形式(螺紋、法蘭)等。
在選擇具體產(chǎn)品時(shí),還應(yīng)考慮選定液壓泵的生產(chǎn)廠家的信譽(yù)及維修及配件供應(yīng)情況等。
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