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单柱液压机经常会使用不同油管
发布者:admin  日期:2019-09-19  点击:177
小易为你介绍一下单柱液压机经常会使用的几种不同油管。
单柱液压机的系统中使用的油管,有钢管、铜管、尼龙管、橡胶软管和塑料管等多种,它们应根据连接元件的相对位置、使用环境和工作压力来进行选择。
 
铜管、钢管和尼龙管属于硬管,用于连接相对位置不变的固定元件。钢管能承受高压,价格便宜,耐油、抗腐蚀和刚性都较好。但装配中不能任意弯曲,常用于装配方便的压力管道处。紫钢管弯曲比较方便,由于刚度小在装配时还可有小量变形,故便于装配。
 
但承压能力低(一般不超过65X10,~10X10Pa),价格也贵,抗展能力弱又易使油液氧化,应尽量少用。黄铜管承压能力较高(达250X10Pa),但弯曲较难。尼龙管的耐压能力可达25X10~80X10Pa。在油中加热到160一1700就能随意弯曲,实际生产中多用来作回油管。

橡胶管、塑料软管常用于两个相对运动元件之间的连接。橡胶管分高压和低压两种。高压橡胶管是在橡胶管中间加一层或几层编织钢丝而成,其承压能力可达420X105Pa。低压橡胶管则以编织棉、麻线代替编织钢丝,多用于低压回油管道。
英文:
Xiaoyi will introduce to you several different tubing types which are often used in single-column hydraulic press.
The tubing used in the system of single-column hydraulic press includes steel pipe, copper pipe, nylon pipe, rubber hose and plastic pipe. They should be selected according to the relative position of connecting elements, using environment and working pressure.
Copper pipes, steel pipes and nylon pipes belong to hard pipes, which are used to connect fixed elements with constant relative positions. Steel pipe can withstand high pressure, low price, good oil resistance, corrosion resistance and rigidity. But it can not bend arbitrarily in assembly. It is often used in pressure pipes where assembly is convenient. Purple steel tube bending is more convenient, because the stiffness is small in the assembly can also have a small amount of deformation, so it is easy to assemble.
However, the pressure bearing capacity is low (generally not more than 65X10, ~10X10Pa), the price is also expensive, the anti-stretch ability is weak and easy to oxidize the oil, should be used as little as possible. Brass pipe has a high pressure bearing capacity (up to 250X10Pa), but it is difficult to bend. The pressure resistance of nylon tube can reach 25X10~80X10Pa. When heated to 160-1700 in oil, it can bend at will. In actual production, it is mostly used as a return pipe.
Rubber pipe and plastic hose are often used to connect two relative moving elements. Rubber pipe can be divided into high pressure and low pressure. High-pressure rubber pipe is made by adding one or several layers of braided steel wire in the middle of the rubber pipe. Its bearing capacity can reach 420X105Pa. Low-pressure rubber pipes are mainly used in low-pressure oil return pipelines, in which braided cotton and linen are used instead of braided steel wires.
文章来源:http://yxpic.com/news.asp?lt=312
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