The New Generation Of Banging Hardtechno

kinggogof · Posted: Tue 1:00, 24 May 2011 Post subject: mulberry väskor 46

Mold pressure measurement technology and its application

First consider the measurement of the sensor within the body position thereupon. Jumping through the mold resin pressure inside the state for the purpose of understanding the shape, the mouth close to suitable feeding, which is reported to clear with the following conditions z (1) near the gate is measured not only the arrival of the resin,mac cosmetics discount, And based on the amount of internal pressure visit for the purpose of the waveform curve, so the resin into the mold of a test stand for the best bits Liu shoes as well. (2) a longer time from injection to the assimilation of the place although not fully cured resin,ed hardy nederland, but. Curing the bird to detect the location of measurement is meaningless. So you want to select the internal pressure can be a long time observing the location of resin. (3) where the maximum wall thickness and the same reasons the previous one, the general thickness of more days, the cooling time the more the longer the measurement time. (4) to avoid direct contact with resin, where the front should be avoided and the resin through the feed inlet jet phase in direct contact. Because here is the impact can not be measured correctly visit Tuo a resin pressure. (6) to avoid the resin front in the confluence of two or more areas of convergence where the resin flow front can not be correct measurement of the mold pressure, state of the guillotine by the amount of welding results of dispersion increases. (6) multi-feed pick two occasions, the mouth of the mouth of the middle point of the feed material inlet in the field of multi-station gate in the middle of the two points are not met where resin front, but the place after confluence. When one feed inlet is closed, the situation still the best place to measure the other party (7) multi-cavity field measurement station located in a multi-cavity mold cavity, the cavity of the flow channel connected, feed port, etc. should be adjustment is to the same impedance, so there is no need to have installed in all the sensor cavity. On another set in the mold directly from the flow measurement of the cavity as well. And this split cavity measuring the thickness ratio (Thi Tu 11e $ $ Ratio shall be subject to the full study. More than give a basic visit cut the amount of location, but the mold cavity pressure signal except for special purposes. side for example, measure the cavity pressure, when the pressure reaches a certain value, the control of injection rate into the control of the situation forces packing Xinjiang, which does not guillotine the actual packing process of soil pressure, the pressure as the transfer point to use, needless to say should be a place away from the feed inlet to measure. Dinner in the international work flow, hot runner, screw the sensor front end is well within the mold cavity to infer changes in all the circumstances. 5 to the pressure measurement Measuring love internal pressure sensors use strain gauge sensors and crystal piezoelectric element. Here the crystal has recently been widely used principle of the piezoelectric element. on a crystal surface when subjected to mechanical deformation of the crystal will produce the charge, this phenomenon is This is the direct piezoelectric effect is called the sake of charge differential surface appears. Here the face of the charge removed from the afterburner (longitudinal effect of Figure 12). In addition, a crystal axis along AB,rosetta stone wholesale, the direction of the force in and the direction perpendicular to generate electrostatic charge (cross-effect diagram l3). pressure sensor is the use of cross-effect principle of electrostatic charge generated by the charge amplifier converted into a voltage. M05FET charge amplifier is to use high-gain transistor voltage amplifier from low impedance output to the input of the feedback through the gate High insulation capacity of the components, most of the crystal charge to compensation. Figure 14 is a basic schematic diagram. chu Nam Zan j Ci {H} copulate} O0I, ring 12 ellipsoid IoI, b 6, measured using the mold forming conditions of pressure adjustment method by steep sensor in the mold with the resin pressure, and its purpose is to shape the conditions to make the best from the initial state of the state. 15 Kids in the waveform curve to the decision by the internal pressure forming conditions,abercrombie et fitch, must be able to quickly determine the value of the pressure point of bees. bee value point of injection is usually caught degree fast,mulberry väskor, its value is high 'injection of slow, low value addition, the peak point of injection is too low there will be shortage of material or surface condition deteriorated and so on. Figure Dian is the injection speed and the relationship between cavity pressure curve . (1) is injected too slowly, though not the end of filling process had already started to cure, so there is no point to the case of filling. When filling slowly increase the speed to reach the filling point. (2) This is the case. So General thin pieces of injection speed should be further improved, or forming ineffective (3,4). However, the injection speed, its pressure will slightly exceed the allowable pressure value. (46) is to be an ideal pressure curve and reduce the pressure situation (40) is to further reduce the injection speed and the results obtained. as a means to maximize the adjustment of injection speed, holding pressure process quick arrest conversion to minimize the peak pressure, pressure process should maximize the pressure to extend the time This would achieve the desired results. Xufa Shu Offence translated,
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