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天津升降貨梯密封圈的影響因素有哪些?

文章來源:templeterracehome.com   發(fā)布時(shí)間:2023-01-10 10:55:09   瀏覽次數(shù):516

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升降貨梯的使用與密封圈的選擇有很大的關(guān)系,劣質(zhì)的密封圈使用壽命比較短,一旦出現(xiàn)損壞會(huì)導(dǎo)致液壓油缸出現(xiàn)漏油的現(xiàn)象。液壓油缸一旦出現(xiàn)漏油現(xiàn)象就會(huì)導(dǎo)致液壓升降貨梯升降速度變得緩慢,嚴(yán)重時(shí)會(huì)導(dǎo)致其無法正常運(yùn)行。所以我們?cè)谶x擇該配件時(shí)要嚴(yán)格保證其質(zhì)量,以最大限度的減少故障的發(fā)生。那么有哪些因素影響密封圈的性能呢?
第一溫度。對(duì)一種密封件材料的最高使用溫度和最低使用溫度進(jìn)行描述是比較困難的,液壓升降貨梯因?yàn)檫@是一系列因素綜合影響的結(jié)果。對(duì)于活塞和活塞桿的工作溫度都不同,要對(duì)它們進(jìn)行區(qū)別選擇。
A seal material on the maximum temperature and the minimum temperature is difficult to describe, hydraulic lift freight elevator because it is the result of the combined effects of a number of factors. The piston rod and the operating temperature is different, the difference between them to choose.
第二壓力。壓力的高低,移動(dòng)式升降機(jī)壓力循環(huán)周期變化的長(zhǎng)短,對(duì)密封件損壞(如擠出)有很大的影響。壓力越高,其它的因素對(duì)密封件的性能影響越大,如溫度,速度,密封件的材料,活塞和缸筒之間的間隙,活塞和缸頭之間的間隙。
High and low pressure, pressure cycling mobile lift cycle length, has a great influence on the damage to the seals (such as extrusion). The higher the pressure, the greater the influence of other factors on the performance of the seal member, the gap clearance, such as temperature, velocity, material of the sealing member, the piston and the cylinder between the piston and the cylinder head.
第三表面處理經(jīng)驗(yàn)表明,液壓升降機(jī)油缸活塞和活塞桿表面的特性對(duì)密封件的壽命有著非常大的影響。表面特性常用表面粗糙度Ra的值來定義,Ra是表面形狀偏離中心線絕對(duì)值的算術(shù)平均值。但些數(shù)值并不能完全表示表面情況對(duì)密封件的影響,這是因?yàn)榧词乖谕瑯拥拇植诙认?,不同的表面形狀特征可以?dǎo)致對(duì)密封件不同程度的密封件磨損。
Characteristics of the hydraulic lift cylinder piston and piston rod surface has a very big impact on the life of the seal. Common characteristics of the surface roughness Ra value of the surface is defined, Ra is the arithmetic average deviation from the center line of the surface shape of the absolute value. However, these values can not completely affect the surface condition of said seal, which is because even under the same roughness, the surface shape of the different features may lead to different levels of the sealing member seals wear.
第四是摩擦力。密封件和密封表面的摩擦力取決于很多因素:表面粗糙度,表面的特性,壓力,介質(zhì),溫度,密封件的材料,密封件的型式和運(yùn)動(dòng)速度。
Friction seals and the sealing surface depends on many factors: the type and velocity of the surface roughness properties of the surface pressure, the materials, the temperature, the sealing member, the sealing member.

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