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introduction：How to use manual hydraulic forklift safely 1、Damaged forklifts must be repaired or scrapped，Not to be used。 2、Before using a manual forklift，Must be trained。 3、The fork of the forklift must be fully inserted under the pallet，Fork up the cargo，Keep the cargo smooth。 4、The forklift is in use，Must pay attention to access and environment，Dont hit anyone、Goods and shelves。 5、The forklift can only be operated by one person。 6、When the forklift is unloaded，Cant carry people or glide freely down a landslide。
2015-04-11 Reading quantity 2887
introduction： Scroll oil-free mechanical vacuum pump is a new type of dry mechanical vacuum pump evolved from scroll compressor。 The working principle of scroll type oil-free mechanical vacuum pump。The curve of vortex body used in vortex vacuum pump is involute。The fixed vortex body is called the stator，The rotating vortex is called a rotor。The rotor rotates at a certain radius of rotation without rotation。With the translational revolution of the rotor，An aspirating cavity and a compression cavity are formed between the two vortices。The volume of the working chamber after inhaling the gas shrinks with the movement of the rotor，Moving gas from the outer ring to the center，Successive inspirations are completed、compress
2015-04-11 Reading quantity 2884
introduction：There is no unified definition and concept for special steel，It is generally believed that special steel refers to a special chemical composition（alloying）、Use a special process to produce、With special organization and performance、Steels that meet special needs。Compared with ordinary steel，Special steel has higher strength and toughness、Physical property、Chemical property、Biocompatibility and process performance。 China and Japan、The European Unions definition of special steel is closer，The special steel is divided into high-quality carbon steel、Alloy steel、High alloy steel（Alloying element greater than10％）Three broad categories，Alloy steel and high alloy steel account for the production of special steel70％。The main steel grade is excellent
2015-04-11 Reading quantity 1448
introduction： Nowadays, the use of steel structures is becoming more and more demanding，Therefore, the requirements for the adoption of steel structures are becoming higher and higher，Its about the use of steel structures，What kind of materials do we mainly use，Depending on the use，Component difference，The materials used are also different。 Main component materials： 1、sliver：thick8-32。wide180-600。long15000below。 2、Roll plate：Open slab、Open pattern board。General width1250.1500.1800.2000。The thickness of16below。 3
2015-04-11 Reading quantity 1565
introduction：Flat thrust bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]The main axial load is borne in the assembly，Its wide application。Although the thrust bearing installation operation is relatively simple，However, there are still many errors in actual maintenance，That is, the tight and loose rings of the bearing are installed incorrectly，The result is that the bearing loses its function，The journal wears out quickly。Tighten the inner ring
2015-04-11 Reading quantity 1523
introduction：SKFbearing[SKFbearing:SKFThe full name is“Svenska Kullager-Fabriken”The Chinese transliterated name is“SKF”；SKFThe group is headquartered in Gothenburg, Sweden，Is a leader in bearing technology and manufacturing。SKFBearings can be divided into sliding according to different specific structures and similarities and differences in working propertiesSKFBearing and rollingSKFbearing]The purpose of lubrication is to reduce the internal friction and friction loss of bearings，anti-burning、The lubricating effect is as follows： 1、Reduce friction and wear In formationSKFbearing[SKFbearing:SKFThe full name is“Svens
2015-04-11 Reading quantity 1466
introduction： Using compressed air as a power source﹐An operational element that causes the executing element to work according to certain logical laws。Pneumatic logic components can be divided into two categories: those with no moving parts and those with moving parts。The former is a fluidic logic element(Visual jet element)﹐The latter is a micro logic valve。The working pressure of the micro logic valve is5～800kilopascal﹐Life spans up to millions to tens of millions of times﹐Operating frequency from a few Hertz to a few hundred Hertz﹐Frequency response time from a few milliseconds to more than ten milliseconds。There are many structural forms of micro logic valves﹐There is a diaphragm type(Single diaphragm﹑Double diaphragm﹑multidiaphragm)﹑Slide valve type﹑Cutoff type﹑Diaphragm lever type﹑Ball valves and spring valves, etc﹐among
2015-04-11 Reading quantity 2916
introduction：Are mounting surfaces and mounting sites requested?Yes.。hypothesisTIMKENbearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]Iron filings inside、burr、Dust and other foreign objects enter，It will cause noise and vibration of the bearing during operation，Even damage the raceway and rolling element。therefore，Before installing bearings，You must ensure the mounting surface and the condition of the installation
2015-04-11 Reading quantity 1579
introduction：yanmoji Grinding machine lapping machine A grinder that grinds the surface of a workpiece with a pestle coated or embedded with abrasive。It is mainly used for grinding high-precision surfaces in workpieces、Inner and outer cylinder、Conical surface、sphere、Thread faces and other profile faces。The main types of grinding machines are disc grinding machines、Rotary shaft grinding machines and various special grinding machines。 ① Disc grinder:There are single disc and double disc two kinds，The application of double disk grinding machine is most common。In a double disk grinder（See picture[Double disk grinder]）Up.，Multiple workpieces are placed on top simultaneously、Lower the cage between the grinding discs
2015-04-11 Reading quantity 2831
introduction： one、What is an oil seal The oil seal is an oil sealing element used to seal the rotating shaft in the mechanical equipment，And the cavity is basically static（See chart below），So the oil seal is also called the rotary shaft lip sealing ring。 The friction of the machine is due in part to the entry of oil while the machine is in operation，Oil seals are used to prevent these oils from leaking through the gaps in the machinery，In addition to oil, it is also necessary to prevent the leakage of water and chemical liquids and the intrusion of dust and soil sand from the outside，This is also the time to use the oil seal The sealing state of the oil seal，First, there is a static seal between the outer edge of the oil seal and the cavity，At the same time, ensure that the outer edge of the oil seal is in the cavity
2015-04-11 Reading quantity 1531
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