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Function: _error_handler
File: D:\wwwroot\upx-usa.com\application\views\news\knowledgePage.php
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Function: lang
File: D:\wwwroot\upx-usa.com\application\controllers\news.php
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Function: require_once
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Function: _error_handler
File: D:\wwwroot\upx-usa.com\application\views\news\knowledgePage.php
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Function: lang
File: D:\wwwroot\upx-usa.com\application\controllers\news.php
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O型密封圈常用的沟槽形式
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File: D:\database\translate.php
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Function: _error_handler
File: D:\wwwroot\upx-usa.com\application\views\news\knowledgePage.php
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Function: lang
File: D:\wwwroot\upx-usa.com\application\controllers\news.php
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File: D:\wwwroot\upx-usa.com\index.php
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Function: _error_handler
File: D:\wwwroot\upx-usa.com\application\views\news\knowledgePage.php
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Function: lang
File: D:\wwwroot\upx-usa.com\application\controllers\news.php
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Function: view
File: D:\wwwroot\upx-usa.com\index.php
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Function: require_once
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Function: _error_handler
File: D:\wwwroot\upx-usa.com\application\views\news\knowledgePage.php
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Function: lang
File: D:\wwwroot\upx-usa.com\application\controllers\news.php
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File: D:\wwwroot\upx-usa.com\index.php
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Function: require_once
2025-04-09
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File: D:\wwwroot\upx-usa.com\application\views\news\knowledgePage.php
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Function: require_once
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File: D:\wwwroot\upx-usa.com\application\views\news\knowledgePage.php
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File: D:\wwwroot\upx-usa.com\application\controllers\news.php
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Function: view
File: D:\wwwroot\upx-usa.com\index.php
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Function: require_once
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Function: _error_handler
File: D:\wwwroot\upx-usa.com\application\views\news\knowledgePage.php
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Function: lang
File: D:\wwwroot\upx-usa.com\application\controllers\news.php
Line: 248
Function: view
File: D:\wwwroot\upx-usa.com\index.php
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Function: require_once
橡胶密封圈安装在沟槽内时，应允许它有一定的膨胀空间。同时也对沟槽加工精度及表面有一定要求，如沟槽表面与密封表面不允许存在小的沟槽、划痕、凹坑、同心或螺旋状的加工痕迹。通常允许的膨胀率在静密封中约为15，在动密封中约为8。对于不同类型的沟槽，其使用范围也不同。常用的沟槽形式有哪几种呢？
一、三角沟槽
常用于法兰和端盖上的密封，其缺点是制造较困难，且供橡胶密封圈的空间非常小。
二、矩形沟槽广泛用于各种密封场合，无需使用挡圈（密封件）时，可做倾斜侧面。
三、梯形沟槽
仅推荐用于O型密封圈，截面直径大于2.5毫米的特殊密封场合。
来源：行讯制造业资源
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