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introduction：Electric pressure test pump is mainly used for all kinds of pressure vessels、conduit、Valves and other professional equipment for strength test，When the user purchases the pressure test pump，If the parameters of the selected pump are unreasonable，It will cause difficulties in operation、Low efficiency、High cost，There are even security risks。How to choose the right pressure test equipment?The following small series to tell you about the selection of electric pressure test pump。
2018-01-22 Reading quantity 270
introduction：Pit quality of mechanical greases 1、The importance of water resistance of grease Grease with good water resistance,The grease is guaranteed in the presence of water,Still can play a good lubrication effect,Grease with poor water resistance should not be used in parts in contact with water。For example, the continuous casting process in the steel rolling industry is characterized by a large amount of cooling water sprayed directly on the red-hot billet，At this time, not only a large amount of water enters the bearing，At the same time, a large amount of water vapor is produced and exists on the bearing surface，The grease is always in a state of high temperature and humidity，If the water resistance of the fat is not good, it is easy to be washed away，Loss of lubricity。
2018-01-22 Reading quantity 392
introduction：Is Hanto belt of good quality BANDOHanto Chemicals conveyor belt technology has not only been ahead of Japan，And theyve been leading the world，Its quality is beyond question。The following Xiaobian will take you to understand the Japanese Hanto series industrial belts：
2018-01-19 Reading quantity 350
introduction：Excessive wear of DC motor brushes will affect the performance of the motor，Even cause motor damage。For this purpose，Motor brushes should be checked and replaced。Numerical control milling The bed、Machining center ，Just check it in year one。If the brush is replaced，Keep the motor running idle for a period of time，So that the brush surface and commutator surface fit well，The inspection period varies with the frequency of use of the machine，It is usually checked every six months or once a year。
2018-01-19 Reading quantity 285
introduction：The cutting range adopts the overall adsorption mode，Keep the fabric in a stable state，Improve cutting accuracy，Synchronous pulley adopts belt type， Reduce friction，mute。
2018-01-19 Reading quantity 205
introduction：Power supply as a power supply equipment for all electronic products，In addition to the performance to meet the requirements of power supply products，Its own protection measures are also very important，Such as overpressure、overcurrent、Overheat protection。Once the electronics fail，For example, when the input side of the electronic product is short circuited or the output side is open，The power supply must turn off its output voltage，To protect powerMOSFETAnd the output side devices are not burned，Otherwise, it may cause further damage to the electronic product，Even cause the operator electric shock and fire and other phenomena，therefore，The overcurrent protection function of the switching power supply must be perfected。
2018-01-19 Reading quantity 350
introduction：The vibration velocity sensor is an inertial sensor，It uses the principle of magnetoelectric induction to convert vibration signals into voltage signals，The voltage value is proportional to the vibration velocity value。Can be used to measure the bearing seat、Vibration of the casing or structure（Absolute vibration with respect to inertial space）。Can be installed directly on the outside of the machine，Easy to use and maintain。
2018-01-19 Reading quantity 214
introduction：fsbBearing manufacturer FSBBearings are domestic bearings，The factory is located in Fushan, Fujian Province。It is a high-end equipment manufacturing enterprise with large scale and sales in Chinas bearing manufacturing private enterprises。The following Xiaobian will take you to understandFSBBearing manufacturer materials，Bearing steel characteristics：
2018-01-18 Reading quantity 357
introduction：1)Fixed integrated voltage regulator circuitICl (7805)constitute3.7—8. 7VAdjustable power supply(VD1andVD2Pressure drop is about1.3V)．regulateRPResistance of，Output voltage can be changed，RPThe resistance value of each change1000，The output voltage changes1V。
2018-01-18 Reading quantity 274
introduction：2 、Safe operation of remote control Emergency parking function In case of misoperation or abnormal crane action，The operator uses the scram switch to nimbly block the control power on the crane，The transmitter aborts sending operational commands。The SCram switch cannot reset automatically，After urgent parking，An initiator that needs to fulfill the rules may operate from scratch。Zero maintenance Zero maintenance should be consistent2Point requirement：First, zero maintenance before operation。Before operation, all operation handles are required to send operation instructions when they are in zero position。The second is zero maintenance and pressure-loss maintenance during operation Unexpected power failure，Crane receiver should stop operation。Post-recovery power supply，The remote control shall be connected to the main power supply of the crane according to the normal operation procedure。Transmitter at low supply voltage．A stop order should be declared after a self-check function。Safety interlock Cranes and carts
2018-01-18 Reading quantity 421
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