The skeleton oil seal structure consists of three parts:

Oil seal body, reinforced skeleton and self-tightening coil spring. The sealing body is divided into the bottom, waist, cutting edge and sealing lip according to different parts. Usually, in the free state of the skeleton oil seal, its inner diameter is smaller than the shaft diameter, that is, it has a certain "interference quantity ".

Therefore, when the oil seal is loaded into the oil seal seat and shaft, the pressure of the oil seal edge and the contraction force of the self-tightening spiral spring produce a certain radial tightening force on the shaft, and after a period of running, the pressure will rapidly reduce or even disappear, so that the spring can compensate the self-tightening force of the oil seal at any time. <p style="margin:0px; padding:0px 0px 15px; color:#000000; text-transform:none; text-indent:0px; letter-spacing:normal; font-family: Times new Roman; font-size:14px; font-style:normal; font-weight:400; word-spacing:0px; white-space:normal; orphans:2; widows:2; background-color:#FEFEFE; font-variant-ligatures:normal; font-variant-caps:normal; -webkit-text-stroke-width:0px; text-decoration-thickness:initial; text-decoration-style:initial; text-decoration-color:initial;" >
&nbsp; &nbsp; &nbsp; &nbsp; < a href = "http://www.whhdpk.cn/gujiayoufengOil-Seals.html" target = "_blank" > skeleton oil seal < / a > structure consists of three parts:
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&nbsp; &nbsp; &nbsp;  Oil seal body, reinforced skeleton and self-tightening coil spring. The sealing body is divided into the bottom, waist, cutting edge and sealing lip according to different parts. Usually, in the free state of the skeleton oil seal, its inner diameter is smaller than the shaft diameter, that is, it has a certain "interference quantity ".
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<p style="margin:0px; padding:0px 0px 15px; color:#000000; text-transform:none; text-indent:0px; letter-spacing:normal; font-family: Times new Roman; font-size:14px; font-style:normal; font-weight:400; word-spacing:0px; white-space:normal; orphans:2; widows:2; background-color:#FEFEFE; font-variant-ligatures:normal; font-variant-caps:normal; -webkit-text-stroke-width:0px; text-decoration-thickness:initial; text-decoration-style:initial; text-decoration-color:initial;" >
&emsp; &emsp; Therefore, when the oil seal is loaded into the oil seal seat and shaft, the pressure of the oil seal edge and the contraction force of the self-tightening spiral spring produce a certain radial tightening force on the shaft, and after a period of running, the pressure will rapidly reduce or even disappear, so that the spring can compensate the self-tightening force of the oil seal at any time.
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<p style="margin:0px; padding:0px 0px 15px; color:#000000; text-transform:none; text-indent:0px; letter-spacing:normal; font-family: Times new Roman; font-size:14px; font-style:normal; font-weight:400; word-spacing:0px; white-space:normal; orphans:2; widows:2; background-color:#FEFEFE; font-variant-ligatures:normal; font-variant-caps:normal; -webkit-text-stroke-width:0px; text-decoration-thickness:initial; text-decoration-style:initial; text-decoration-color:initial;" >
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