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o型橡胶密封圈
香港2019年六开彩资料精选 » Haisheng Official Website Information Center » Frequently Asked Questions » Inspection of Finished O-ring Seals

Inspection of finished O-ring seals

返回列表 Source: Cixi Haisheng Rubber Products Co., Ltd. Date 2018-10-20 08:11 Browse: -

From the beginning of compounding to the finished product, each process will affect the role of the sealing ring in the future. O 形圈 成品检验环节,也很重要。 The final O -ring inspection process is also very important. O 形密封圈严格测量尺寸与质量的检验,以确保 O 形圈到设备上后能发挥其作用。 Before handing it to the finished product, we need to strictly measure the size and quality inspection of the O -ring to ensure that the O -ring can play its role when it is connected to the equipment. O 形圈方面,我们通过哪些方面来检验呢? So, what aspects do we use to test O -rings?

外观质量检验 1 ) Appearance quality inspection

O 形圈上不允许存在孔隙、裂纹、杂质、气泡;表面应光滑、清洁。 The appearance of the O -ring is visually inspected. Generally , no pores, cracks, impurities, or air bubbles are allowed on the O -ring; the surface should be smooth and clean. GB 3452.2-2007 规定的极限, 根据使用场合对外观质量的要求分为 N 级和 S 级和 CS 级别。 The surface defect type and quality requirements shall not exceed the limits specified in the national standard GB 3452.2-2007 , and are classified into N -level, S -level, and CS- level according to the requirements for the appearance quality of the use occasion . 级规定了一般用途 O 形圈检验判定依据。 Level N specifies the basis for the general purpose O -ring inspection. 级规定了用于外观质量水平较高和 / 或表面缺陷尺寸公差精度要求较高的 0 形圈检验判定依据。 Class S specifies the 0 -ring inspection basis for higher appearance quality and / or higher surface defect dimensional tolerance accuracy requirements . This level includes applications in the aerospace industry, important industries or the automotive industry. 级规定了用于外观质量水平非常高和 / 或表面缺陷尺寸公差精度要求非常的 O 形圈检验判定依据。 Class CS specifies the O -ring inspection basis for very high appearance quality and / or surface defect dimensional tolerance requirements . This level includes applications in key aerospace or pharmaceutical industries. O 形圈的表面应力求无缺陷。 In these cases, in order to achieve the most satisfactory results, the surface of the O -ring should be free of defects.

尺寸检验 2 ) Size inspection

可根据具体要求对其断面、内外径尺寸进行测定。 The O -shaped rubber seal can be measured in terms of its cross-section, internal and external dimensions according to specific requirements. According to the specifications, the vernier caliper, ruler or tape measure, as well as optical instruments such as mobile microscopes and projection microscopes can be used to measure. Dimensions and tolerances shall comply with the dimensions specified in national standards or corresponding requirements.

成品物理机械性能的检验 3 ) Inspection of physical and mechanical properties of finished products

 

O -shaped rubber seals can also be used to test the physical properties of the finished product according to different requirements. 0 形圈的硬度、拉伸性能、压缩永久变形、拉伸永久变形、热空气老化、压缩应力松弛、耐液体、密度试验等可按 GB/T 5720- -2008 标准规定的“ O 形橡胶 密封圈试验方法 ”进行测试。 The hardness, tensile properties, compression set, tensile set, hot air aging, compressive stress relaxation, liquid resistance, density test, etc. of the solid 0 -ring can be tested in accordance with GB / T 5720-2008 standard " O -shaped" Test method for rubber seals ".

 

We Haisheng Rubber will strictly check the size and appearance of the measured products according to these methods to ensure that the sealing ring plays a good sealing role on mechanical equipment, electronic products, etc. The quality is guaranteed, so that customers can rest assured that using the sealing ring. O 形密封圈 质量更加有保障。 Our Haisheng Rubber also has a dust-free workshop, which guarantees the quality of O -rings even more.


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