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什么是液压机,液压机的用途

什么是液压机,液压机的用途

作者:admin    来源:未知    发布时间:2020-07-11 23:33    浏览量:

液压机是一种以液体为工作介质,根据帕斯卡原理制成的用于传递能量以实现各种工艺的机器。液压机一般由本机(主机)、动力系统及液压控制系统三部分组成。液压机分类有阀门液压机,液体液压机,工程液压机。

液压机简介

液压机(又名:油压机)液压机是一种利用液体静压力来加工金属、塑料、橡胶、木材、粉末等制品的机械。它常用于压制工艺和压制成形工艺,如:锻压、冲压、冷挤、校直、弯曲、翻边、薄板拉深、粉末冶金、压装等等。

它的原理是利用帕斯卡定律制成的利用液体压强传动的机械,种类很多。当然,用途也根

据需要是多种多样的。如按传递压强的液体种类来分,有油压机和水压机两大类。

水压机产生的总压力较大,常用于锻造和冲压。锻造水压机又分为模锻水压机和自由锻水压机两种。模锻水压机要用模具,而自由锻水压机不用模具。我国制造的第一台万吨水压机就是自由锻造水压机。

液压机用途

液压机是一种以液体为工作介质,用来传递能量以实现各种工艺的机器。液压机除用于锻压成形外,也可用于矫正、压装、打包、压块和压板等。液压机包括水压机和油压机。以水基液体为工作介质的称为水压机,以油为工作介质的称为油压机。液压机的规格一般用公称工作力(千牛)或公称吨位(吨)表示。锻造用液压机多是水压机,吨位较高。为减小设备尺寸,大型锻造水压机常用较高压强(35兆帕左右),有时也采用 100兆帕以上的超高压。其他用途的液压机一般采用 6~25兆帕的工作压强。油压机的吨位比水压机低。

本设备特别适合于中心载荷零件的弯曲、成型、翻边等多种工艺,配上冲裁缓冲装置后,还可以用于冲孔,落料加工,是船舶行业、压力容器行业、化工等行业的首选产品。

用于金属薄板零件的拉伸成型、翻遍、弯曲和冲压等工艺,也可用于一般的压制工艺,可根据用户需要增加冲裁缓冲、打料、移动工作台等装置。

除了用于锻压成形外,三梁四柱液压机也可用于矫正、压装、打包、压块和压板等。

还可用于轴类零件的压制工艺,型材的校准、扣压、压装工艺以及板材零件的弯曲、争辩、定型、压印、套型、拉伸、可塑性材料的压制工艺,如冲压、弯曲、翻边薄拉伸等作业,也可以从事校正、压装、塑料制品及粉末制品的压制成型作业。因其应用范围广泛也被称为万能液压机.

 

 

 

Hydraulic press is a kind of machine which uses liquid as working medium and is made according to Pascal principle to transfer energy to realize various processes. The hydraulic press is generally composed of this machine (host), power system and hydraulic control system. Hydraulic press classification has valve hydraulic press, liquid hydraulic press, engineering hydraulic press.

Introduction to hydraulic press

Hydraulic press (also known as: Hydraulic Press) hydraulic press is a kind of machine which uses hydrostatic pressure to process metal, plastic, rubber, wood, powder and other products. It is commonly used in pressing process and pressing forming process, such as forging, stamping, cold extrusion, straightening, bending, flanging, sheet metal drawing, powder metallurgy, press fitting and so on.

Its principle is to use Pascal's law to make use of liquid pressure transmission machinery, many kinds. Of course, the use is fundamental

There are many kinds of things that need to be done. For example, according to the type of liquid transmission pressure, there are two major types of oil press and hydraulic press.

The total pressure produced by hydraulic press is large, which is often used for forging and stamping. Forging hydraulic press is divided into die forging hydraulic press and free forging hydraulic press. Die forging hydraulic press should use die, while free forging hydraulic press does not need die. The first 10000 ton hydraulic press made in China is a free forging hydraulic press.

Application of hydraulic press

Hydraulic press is a kind of machine which uses liquid as working medium to transfer energy to realize various processes. Hydraulic press is not only used for forging forming, but also for straightening, pressing, packing, pressing block and pressing plate. Hydraulic press includes hydraulic press and hydraulic press. The water-based liquid as the working medium is called the hydraulic press, and the one with oil as the working medium is called the hydraulic press. The specification of hydraulic press is generally expressed by nominal working force (KN) or nominal tonnage (ton). Forging hydraulic press is mostly hydraulic press with high tonnage. In order to reduce the size of the equipment, high pressure (about 35 MPa) is often used in large forging hydraulic press, and sometimes the ultra-high pressure above 100 MPa is used. The working pressure of hydraulic press for other purposes is 6 ~ 25 MPa. The tonnage of hydraulic press is lower than that of hydraulic press.

This equipment is especially suitable for bending, forming, flanging and other processes of center load parts. Equipped with blanking buffer device, it can also be used for punching and blanking. It is the first choice for shipbuilding industry, pressure vessel industry and chemical industry.

It can be used for drawing forming, turning over, bending and stamping of sheet metal parts, and can also be used for general pressing process. It can also be used for blanking buffer, punching, moving table and other devices according to the needs of users.

In addition to forging, the three beam and four column hydraulic press can also be used for correction, press fitting, packing, pressing block and pressing plate.

It can also be used for the pressing process of shaft parts, profile calibration, crimping, press mounting, bending, shaping, embossing, nesting, stretching and plastic material pressing process of plate parts, such as stamping, bending, flanging and thin stretching, and also can be used for the pressing and forming operations of alignment, pressing, plastic products and powder products. Because of its wide range of applications, it is also known as universal hydraulic press

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