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Mold plastic injection molding with gas installations

To make the cylindrical core 7 only catch a turn, but also to achieve axial location, not the other set-bit organization. Because the parting is only 1 open 60ram, it is not inclined rod length can be implemented by increasing the wizard does not drawn a lot of the purpose of pumping a core part of this organization one of them stayed only three 'poles and lock block is designed with core pulling , the structure of simple, easy-dimensional coral No. 7 amendments to the model a total of 37 successful tryout. Pulling Figure 3 after the Chi-like plastic stand} jf iodine gas Mu Phi plastic injection molding mold with gas installations wide sleeves l Lin Shi Lan Ho-mode drive the company. fj-2, for some large pieces of deep-shell shape, injection molding, the mold cavity by a plastic filled cavity gas is discharged. At this time, due to the contraction of plastic parts, plastic parts of the inclusion surface and the core's surface is basically formed by inclusion vacuum. When the plastic parts ejection, due to the role of atmospheric pressure, resulting in stripping difficulties. Therefore, we must add the bleed air core device. While the cavity, because of the contraction and the formation of plastic parts generally not form a vacuum gap. But for thermosetting materials and thermoplastic shrinkage rate of the smaller materials such as AS 2 has so little due to shrinkage, particularly for the deep cavity without mosaic, a model, because air can not enter the cavity between 3 and core caused by vacuum stripping of plastic parts Ferret, therefore, must be added to eliminate the vacuum} l gas installations in order to make stripping smoothly. There are two ways to eliminate a vacuum gap with gas use mosaic in the mosaic surface of this method is the local open air entraining No. 7 Total 137 slot, shown in Figure 1. Bleed air gap slot 8 should like to ask not to hold the plastic into the context of + the obstruction prevents to infiltrate the material. This data is determined by the plastic varieties. Table 1 Citation for commonly used plastic gas tank of the gap value. The extension of the bleed air slot opening depth chart on the Department of servant l atlas 1 -} Q Chen (gas tank, and the mosaic structure sometimes used to increase the difficulty connected with manufacturing. removal of the layout of the cooling water valve type 2 with gas. 'domestic gas commonly used in devices such as Ah-type air-entraining said. The device for large deep shell plastic parts, due to the high, resulting in increased manufacturing long stem 2: loading degrees, and the formation of such devices is difficult to standardize. Figure 3 shows the device as a novel valve device. body with cylindrical body and die D Figure 1.. shut-type air-entraining device 2. valve bleed valve device of child shape the wire a male witch macrophages, r Yaan Chuan 'Instrument barrier work Tj Mexican soil structure of a part shown in Figure 1 is a thin-walled box-shaped structural parts, plates Xing with a layer of thin plastic lid is connected through together, while the hinged lid covered in the role of box when the body is through cooperation and lock punch, open,ed hardy mexico, and Taiwan are relying on their own wall of plastic deformation. As part of the statement itself, dig characteristics. to the gating system design, the choice of parting has brought some difficulties . of the box, the lid has convex and concave parts, so will be considered for core pulling the cheek to increase the protruding part of the sub-type. Fig. 12 die design and working principle of the overall structure (Figure 2) According to the characteristics of parts,abercrombie outlet, using the point gate, the location of the gate placed in the lid of the most thick-walled office. easy to feed and fill is the point of the gate, the mold must be two-open mode,tory burch uk, taking off the automatic gate Results oranges, Shí easy automation. in the box body there Fourth recess, it must be designed to top out within the core pulling and institutions, so as not top after the bad part as injection molding, mold in the I1 type. by the pulling rod 37 to Li and the shunt flow of plastic and scheduled to die separation H gate spring 8 and 9 sets of the role of Jane, the allocation of dynamic simulation of sheet 2 moves with the tincture of a certain distance to open when touched. 1l in the screw's ashamed f {j,rosetta stone wholesale, to keep dialing 2 stops. At this point in the I ~ 1 type, and also by dialing 2 pull breakpoint gate, fell when the waste feed system to the mold, in the spacer plate 6 and 7 shop for just under the nail,ed hardy shop, so that set the template 5 stops. At this point in II Ⅱ type, plastic parts and cavity separation. under the action of putting the machine, push plates 15,16 driven plunger 22 to move forward, pushing Qian helical slider 22 to promote the core 45 along the forward slope of 48, completed the Pulling and parts ejection. to automated injection molding site. lap 22, Joel 3, the choice of mold parting ~ according to the characteristics of components, select the step type surface, the box part of the body and the lid on the fixed mold side touch on the move as part of the lid side, it is easy to mold __ type device between the plastic parts, then vacuum to eliminate the stem 3 f under the action of the spring reset. Ge rod taper is taken as】 0 ~ 15 . in case arising from the chain. Figure 5 Typical applications for this device. Such devices can be used not only for use with gas to eliminate the vacuum, the same can also be blown into the compressed air used for pneumatic ejection.

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