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introduction：Pressure sensor is one of the most commonly used sensors in industrial practice，The pressure sensor we usually use is mainly made of piezoelectric effect，Such sensors are also called piezoelectric sensors。 We know，Crystals are anisotropic，The amorphous is isotropic。Certain crystalline media，When deformed by mechanical forces in a certain direction，It creates a polarization effect；When the mechanical forces are removed，It goes back to being uncharged，Thats when youre under pressure，Certain crystals may produce electricity-generating effects，This is known as the polarization effect。...
2016-02-18 Reading quantity 1548
introduction： High speed automatic punch module，Individual mounted on a press slider。Upper die seat upper template piece，When the workpiece is friendly press slider，And the handle is either fixed directly with the press slider。The lower die is the lower half of the complete die，That is, he sleeps at the desk of the molding department。The bottom surface of the lower formwork of the lower die holder，The service is directly fixed on the service table or pressure plate。The side wall is the edge of the punching die hole。The edge Angle is the punching die hole of each slope。Air cushion and compressed atmosphere for the energy of the bomb catapult。Refer to‘ejector’。Resistance from uniaxial stress stamping parts such as stewarding side columns...
2016-02-18 Reading quantity 1585
introduction： The eight basic skills of programmable controller： 1)Conditional function：PLCIt has logical operation function，He can determine the state of the output relayONstillOFF，Therefore, it can replace the relay for switching control. &n...
2016-02-18 Reading quantity 1747
introduction： At present，How to choose electromagnetic relays in contemporary applications can be described as more and more extensive，How to choose electromagnetic relay is worth our good study，Now we have an in-depth understanding of how to choose electromagnetic relays。 The electrical coil is represented in the circuit by a long box symbol，If relay...
2016-02-18 Reading quantity 1603
introduction：1.Selection of thermal relays The protection object of the thermal relay is the motor，Therefore, the technical performance of the motor should be understood when selecting、Starting condition、Load nature and motor overload capacity。 ...
2016-02-18 Reading quantity 1601
introduction： The role of high speed automatic punch module in the whole mold，Individual mounted on a press slider。Upper die seat upper template piece，When the workpiece is friendly press slider，And the handle is either fixed directly with the press slider。The lower die is the lower half of the complete die，That is, he sleeps at the desk of the molding department。The bottom surface of the lower formwork of the lower die holder，The service is directly fixed on the service table or pressure plate。The side wall is the edge of the punching die hole。The edge Angle is the punching die hole of each slope。Air cushion and compressed atmosphere for the energy of the bomb catapult。...
2016-02-17 Reading quantity 1630
introduction： Connecting rod and crankshaft of the press，The slider and connecting rod are connected in a crank connecting rod slider mechanism，There are three pairs of friction pairs：Crankshaft journal and crankshaft tile；Crank neck and connecting rod big head bearing bush；Connecting rod pin(Ball joint)Ball head seat with slider。Due to manufacturing and assembly errors and the needs of the work itself，Inevitably, there are gaps。These friction pairs are subject to alternating loads，But not necessarily cause strong impact noise。They move between each other，Could be contact movement，Or it could be free movement without contact。But when it comes to self...
2016-02-17 Reading quantity 1639
introduction： In stamping production，The stamping process often has special requirements for the press。Such as，The special requirements of the deep drawing process for the press include the following aspects。First of all，The speed of the press slider should not be too high during the deep drawing operation，Otherwise, it will cause the fracture of the drawing part；secondly，In the working stroke of the press slider，The speed of the slider should be basically uniform；The first3，To improve the efficiency of the press，Press slider back...
2016-02-17 Reading quantity 1637
introduction： Gap detection between plunger sleeve and plunger core，Since the gap is only in1～2μmamong，If the traditional mechanical detection method is used，Not only time-consuming，Nor can it be accurately detected，It will also affect the yield。For this purpose，It is proposed that the traditional mechanical detection can be changed into flow detection through the design of electro-mechanical structure，Using a programmable controller(PLC)The pulse output achieves position positioning，Traffic is detected，Then follow this flow...
2016-02-17 Reading quantity 1643
introduction：one Punching machine working principle： The design principle of the punch is to convert circular motion into linear motion，The main motor drives the flywheel、The flywheel drives the big gear through the shaft and the pinion、The large gear drives the crankshaft through the clutch，The crankshaft drives the connecting rod to move the slider，To complete the linear movement of the slider，The motion from the main motor to the connecting rod is circular。The connecting rod and the slider need to have circular and linear motion between the transfer point，There are roughly two kinds of design...
2016-02-17 Reading quantity 1730
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