News

Home > News

News

The retention of Hydraulic O-ring
Hydraulic O-ring attachment variant forms part of the sleeve crown. Sleeve crown retention and degree of polymerization of about coping, in order to achieve good retention of the restoration, crown generally determine the degree of polymerization between 4? -8?, often used in clinical 6?. Hydraulic O-ring can indeed make the sleeve crown retention improved. The current domestic economic situation limits repair in many places more use of non-precious metals. Rather than linear shrinkage precious metal casting, causing a retention effect telescopic crown affected. The test showed the same degree of polymerization, including the crown, using hydraulic retention O-ring is significantly higher than the case of hydraulic O-ring is not used. When the crown degree of polymerization of O-ring 15 ?, its retention and 6 ? when not in use hydraulic retention O-ring quite right and left about 5 Newtons, such as the use of non-precious metal repair, hydraulic O-ring can compensate for the lack of use due to its retention leads to casting contraction, suggesting that O-ring hydraulic attachment suitable for the production of non-precious metal sleeve crown. [View Details]
The introduction of NBR and HNBR rubber O-rings
BNR is butadiene - acrylonitrile copolymer, the general temperature range of -40 ~ 120 ?. NBR is currently one of the most commonly used rubber seals and rubber O-ring, NBR rubber O-ring is the most widely used, lowest cost rubber O-rings, the conventional hardness of 70 �, mainly black, the other hardness, color can be customized. [View Details]
Analysis of failure leakage of rubber seal
With the rapid development of the information age, sealing technology plays an important role, if the superiority of the technology can not get to play, it will lead to the occurrence of serious consequences. And for the reliability of the hydraulic technology, because in the hydraulic system, the internal leakage will cause a sharp drop in volumetric efficiency, fail to work pressure and leakage will cause working medium waste and environmental pollution and equipment failure. Because of the sealing technology is widely used and the failure caused by hazards, at present at home and abroad attach great importance to the sealing technology application and research. [View Details]
Important things about rubber o ring
Nowadays, there are more and more rubber o ring manufactures, and there are also many kinds of rubber o ring, but there is no clear classification, most of manufactures produce their products according to their distributor, then turn it to their bland. They are almost moulds, the Error Radix may be occurred are decided by the data of customers, and it hasn�t its rule. We have to check and modify in the process of producing o ring , then fix, keep order at docking point. It will be in trouble if the docking point isn�t in order, it needs to adjust and fix at final part of welding division. [View Details]
Hydraulic sealing ring for hydraulic system of hydraulic press.
The hydraulic system is the most important part of the hydraulic machine, which is equivalent to the heart of the hydraulic press.If the hydraulic system leakage, will cause the oil leakage, pollution of the surrounding environment, affect the work efficiency, increase production costs and so on the negative impact.We must immediately take control measures. Now we understand the root causes of the total leakage of hydraulic system. [View Details]
Common structure of liquid film hydraulic seal for pump
The common structure of the liquid film hydraulic seal of the pump has three kinds: film single rubber seal, double seal rubber film, film series rubber seal, film rubber seal series. [View Details]
The performance of FPM o ring.
The hot resistance performance of FPM is better in common rubber. It can resistant up to 250 degree immediately, and it also can resistant the cold environment down to -40 degree. But it can resistant only 200~-20 degree for a long time. FPM o ring seal which made by ZOE company can still keep great elastic after working in a 250 degree environment, meanwhile, anti-acid performance doesn�t decrease. Its elastic rate can be 100% when it is in a hot environment. Of cause, it can keep wonderful corrosion resistance, oil resistance. In a word, FPM o ring will keep its wonderful performance no matter how the temperature changes. [View Details]
Introduction to the material application of NBR.
Resistant hydraulic oil rubber O-ring material is mainly dominated by NBR rubber material, NBR rubber hydraulic O-ring has good oil resistant properties and NBR Ding clear adhesive wear resistance, resistance to deformation is good. Because it is the price of NBR rubber material of rubber price lowest, so it is widely used. Oil resistance usually refers to non polar oils, fuel oil, mineral oil and synthetic oil. [View Details]
Requirements for hydraulic seals
Singwax seals in hydraulic applications products include U-shaped hydraulic seals, dust ring and steel dust ring. All products are with excellent tensile strength, compression deformation rate, temperature and pressure resistance. Singwax hydraulic seals are long life, suitable for low, medium and high pressure hydraulic. [View Details]
Common structural pump hydraulic seal film
Common pump hydraulic seal film structure, there are three: film single rubber seal, double seal rubber film, film series rubber seal, film series rubber seal. [View Details]

Page 22 Of 56 First Previous 18 19 20 21 22 23 24 25 26 27 Next Last