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Dragon killerh13Die steel Dragon killerH13Die steel is used to make forging dies with high impact loads，Hot extrusion die，Precision forging die；aluminum、Die casting of copper and its alloys。H13Its hot work die steel，enforce standardsGB/T1299—2000。；brand4Cr5MoSiV1；Alloy tool steel is referred to as composite steel，It is a steel grade formed by adding alloying elements on the basis of carbon steel。Among them, synthetic steel includes：Steel for measuring and cutting tools、Steel for impact tools、Cold working die steel、Hot work die steel、Non-magnetic die steel、Plastic die steel。
Sliding guide Sliding rails are widely used as transmission parts in the industry，Sliding guide：A groove or ridge made of metal or other material，endurable、immobilization、A device that guides a moving device or device and reduces its friction。A longitudinal groove or ridge on the surface of a guide rail，For guidance、Fixed machine parts、Special equipment、apparatus。The life of the guide rail is determined by maintenance，The quality of maintenance determines the life of the rail，The following Feng Ye Xiaobian will take you to understand its maintenance methods。
Norman nut A nut is a nut，A part screwed together with a bolt or screw for fastening，All manufacturing machinery must use a component depending on the material，Split into carbon steel、Stainless steel、Non-ferrous metal（cupric）And so on several types。There are many kinds of Norman building nuts as there are many kinds of other brands，The following Feng Ye Xiaobian will take you to understand the Norman floor nut types。
Deep groove ball bearingInstallation Method 1：Press fit：The bearing inner ring is fitted tightly to the shaft，The outer ring and the bearing seat hole are loosely matched，The bearing can be first pressed onto the shaft by a press，The shaft is then fitted into the bearing housing hole together with the bearing，On the end face of the bearing inner ring when pressed，An assembly sleeve made of soft metal（Copper or mild steel），The bearing outer ring is fitted tightly with the bearing seat hole，When the inner ring and shaft are loosely matched，The bearing can be pressed into the bearing seat hole first，At this time, the outer diameter of the assembly casing should be slightly less than the diameter of the seat hole.If the bearing ring is tight with the shaft and the seat hole，Install the inner ring and outer ring to press into the shaft and seat hole at the same time，The structure of the assembly casing should be able to hold the end face of the bearing inner ring and the outer ring simultaneously。
The Harbin shaft is a Harbin bearingShort for group company，Harbin Bearing Group Company is one of the three major production bases of bearing industry in China，Now owns total assets36.7Hundred million yuan，The main production equipment is about4600Complementary station，Annual production capacity8000More than 10,000 sets。Can produce nine types、Various accuracy levels6000More sizes and varieties of bearings。
Permanent magnet synchronous motorIt is a kind of servo motor。 Ac servo motors are also brushless motors，Divided into synchronous and asynchronous motors，At present, synchronous motors are generally used in motion control，It has a wide power range，Can do a lot of power。Large inertia，High rotation speed low，And it decreases rapidly with the increase of power。Therefore, it is suitable for low speed and smooth operation applications。 From first principles： The permanent magnet synchronous motor is the same as the traditional electric excitation synchronous motor，The only difference is that the traditional electrically excited synchronous motor generates a magnetic field by passing a current through the exciting winding，And permanent magnet synchronous motor is through the permanent magnet to establish a magnetic field，And this leads to the difference between the two analytical methods。
NTNAdvantages of rolling bearings Advantages
YTPThe process of optical shaft machining
Silver linear guide rail Shanghai Silver is manufactured by Taiwan Dayin Microsystems Co., LTD。The linear slide is a rolling guide，An infinite rolling cycle between the slider and the rail is performed by the steel ball，The load platform can easily move linearly along the slide rail with high precision。Compared with traditional sliding guidance，The friction coefficient of the rolling guide can be reduced to the original1/50，Due to the starting friction is greatly reduced，Relatively little ineffective movement occurs，So it can be easily achievedμmProgressive feed and positioning。In addition, the beam unit design between the slide block and the slide rail is added，The linear slide can bear the load in all directions at the same time，The above display features are not comparable to traditional slide guidance，Therefore, if the machine can match the ball screw，Use a linear slide for guidance，It can greatly improve equipment accuracy and mechanical efficiency。If you want to buy genuine silver linear guide you can
leserTemperature reducing pressure reducing valve The temperature reducing pressure reducing valve uses the opening degree of the opening and closing parts in the control valve body to adjust the flow rate of the medium，Reduce the pressure of the medium，At the same time, the opening degree of the opening and closing parts is adjusted by the action of the pressure after the valve，Keep the pressure behind the valve within a certain range，And spray cooling water into the valve body or behind the valve，Reduce the temperature of the medium，This kind of valve is called pressure reduction and temperature reduction valve。There are some differences between cold temperature reducing valves and ordinary valves，The following Xiaobian will take you to understand the characteristics of the temperature reducing valve。
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