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電氣類(lèi)外文翻譯---扭矩過(guò)載保護(hù)器-電氣類(lèi)(完整版)

  

【正文】 向推力的大小來(lái)控制。因此,電動(dòng)裝置空心輸出軸的內(nèi) 徑必須大于明桿閥門(mén)的閥桿外徑。當(dāng)其在預(yù)先確定的時(shí)間內(nèi)運(yùn)行時(shí),電機(jī)一般不會(huì)超負(fù)荷。因此必須采取各種方法組合的方式。恒溫器本身熱容量是較小的,而且其限時(shí)特性是由電機(jī)的熱容量特性決定的,因此這是一個(gè)可靠的方法。 有限的裝置 進(jìn)一步發(fā)展和完善的反彈已經(jīng)無(wú)力矩限制器系列 SK 優(yōu)化,帶來(lái)了為每個(gè)應(yīng)用適當(dāng)?shù)脑O(shè)計(jì)。 提高經(jīng)濟(jì)效率 碟形彈簧的優(yōu)化和材料適應(yīng)了允許使用的耦合為緊湊和可靠的設(shè)計(jì),更好的性能和疫情周報(bào)質(zhì)量。 易于操作的可靠性得到進(jìn)一步的優(yōu)勢(shì)。 這結(jié)合了部分限制轉(zhuǎn)矩已知彈性聯(lián)軸器。 如果在另一方面,插入被按下過(guò)高預(yù)緊中,發(fā)生了徑向力與橫向的軸偏差就會(huì)增加。那里的耦合與住房密封解決方案成本高昂,因此沒(méi)有必要 完整的規(guī)劃的是另外還提供不銹鋼的版本。 安裝完畢后脫離接觸值可以很容易地更改為 siut 實(shí)際需求。 該耦合價(jià)格可以被視為是相對(duì)非常 低,相對(duì)于時(shí)間成本的下降。 對(duì)于每個(gè)耦合模型有四個(gè)不同功能的系統(tǒng)可用: 單一位置 =試圖重新聘用自動(dòng)在同一位置( 360 176。 由于彈簧球的耦合制動(dòng)器設(shè)計(jì)的高轉(zhuǎn)矩的預(yù)設(shè)脫離接觸重復(fù)精度達(dá)到并保證連續(xù)操作時(shí),使用的球制動(dòng)力矩限制器的設(shè)計(jì)主場(chǎng)迎戰(zhàn)一滑離合器。 一個(gè)完整的密封是選擇由 R 和 W 提供避免漏脂,并在同一時(shí)間耦合的 滲透破壞的物質(zhì)。 然而,這僅適用于第一,質(zhì)量聯(lián)軸器其中顯示了運(yùn)行和必要的孔同心真理的單個(gè)元素組成。 該壓接的原則,已開(kāi)發(fā)的 R 和 W 使用的金屬波紋管的軸向彈簧力前緊張到相應(yīng)的柜臺(tái)件錐形軸稍微男性部分。 1 / 3 比其他現(xiàn)有的產(chǎn)品。 高動(dòng)態(tài)驅(qū)動(dòng)器不斷由力矩限制器使用預(yù)設(shè)的改善。 新一代轉(zhuǎn)矩限制器的反彈無(wú)。 上述兩種方式,無(wú)論那種都要考慮電機(jī)熱容量給定的時(shí)間余量。 4.因某種原因轉(zhuǎn)矩限制機(jī)構(gòu)電路發(fā)生故障,使轉(zhuǎn)矩過(guò)大。 6.安裝、連接方式:電動(dòng)裝置的安裝方式有垂直安裝、水平安裝、落地安裝;連接方式為: 有推力盤(pán);閥桿通過(guò)(明桿多回轉(zhuǎn)閥門(mén));暗桿多回轉(zhuǎn);無(wú)推力盤(pán);閥桿不通過(guò);部分回轉(zhuǎn) 電動(dòng)裝置的用途很廣,是實(shí)現(xiàn)閥門(mén)程控、自控和遙控不可缺少的設(shè)備,其主要用在閉 路閥門(mén)上。電動(dòng)裝置的輸出力矩應(yīng)為閥門(mén)操作最大力矩的 ~ 倍。 part of the rotation Electric device is widely used, is to achieveproduction programcontrolled valves, automatic control and remote control can not be a lack of equipment, its main use in the closed valve. But we can not ignore the special requirements of valve electric device must be able to limit the torque or axial force. Valve Electric installations are usually limited torque Couplings. When the electrical device specification is determined, the control torque is also determined. While in a predetermined period of time to run when the motor normally does not overload. However, if the following conditions so that it can be overloaded: 1. Power supply voltage is low, are not required torque, the motor stops rotating. 2. Mistakenly set the torque limit adjustment agencies, so that it is greater than stop torque, generated too large a result of continuous torque, the motor stops rotating. 3. Such as the point of action as intermittent use of heat generated savings of up, more than the allowable temperature rise of the motor. 4. Torque limit for some reason, institutional circuit failure, so that torque is too large. 5. Use of environmental temperature is too high, relative to the heat capacity of the motor down. The above is the excessive number of reasons, for these reasons should be generated by motor overheating in advance, taking into account, and to take measures to prevent overheating. In the past to protect the motor way is to use fuses, overcurrent relays, thermal relays, thermostats, etc., but these approaches also have their pros and cons of this change for the electrical device load devices, is absolutely reliable protection method is not. Must therefore take all methods bined approach. However, as the load on each electrical device is different, it is difficult to propose a unified approach. In most cases, but generally, you can also find mon ground. Overload protection taken by the way, be grouped into two types: 1. Changes in input current to the motor to judge。 H of the valve opening height, mm。 S to stem transmission thread pitch, mm。 2. To judge the heat of the motor itself. These two methods, regardless of the kind production Summarize of motor thermal capacity must take into account the given time margin. If a single way that will make the heat capacity characteristics of the motor line is difficult. Therefore, overload should be selected according to the reasons for the action can be a reliable method bination of plex ways in order to achieve a prehensive overload protection. Rotork electric
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