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Secondary institutions
by：CSSSLD
2021-02-03
In addition to point gate and latent water outlets, other forms of gate in the stripper, the gating system setting and injection molding processing is introduced by launching mode into an organic whole repeatedly, then manually to separate it with the plastic parts.
Point gate and latent jiaokou of gating system, when stripping can automatically separate with plastic parts, can be released automatically from the mold.
Point gate feeding of gating system can be divided into two types: single cavity and cavity.
spring reset is using the restoring force of compression spring reset launch mechanism, its reset before clamping action is complete. Insert the activity the back-end set push rod, in order to put before clamping inserts, often use spring to reset. Spring set between the push rod fixed plate and bearing plate, the design should be to prevent the push rod fixed plate spring killed after launch, or spring has been killed and is not yet in place.
in the process of practical production, some parts because of its special shape features, open mould after both may stay in the dynamic model on one side, is also likely to stay in the fixed mold side, even may also be of fixed mold plastic bag is bigger than the tension force of dynamic model and package force will stay in dynamic model. To make order from plastic, in addition to the part can be used in the die set to launch institutions outside, also can be used, dynamic model of two-way order launch mechanism, namely in the mould parts add a parting surface, when open mold to ensure the parting surface distance open, first let plastic parts from core demoulding on the fixed model, and then in the main parting parting surface, plastic parts can stay moving mould parts, finally by the dynamic model with institutions will be launched from plastic.
when the design should also note that the spring should be symmetrical around the perimeter of the push rod fixed plate installation, generally for four, often installed on the reset lever, also can set the spring column symmetry on the push rod fixed plate, in addition, also can be installed on the push board guide pin. In the inclined guide pillar fixed in the fixed mold, side slide block core is installed in the dynamic model of side core-pulling mechanism, set up under the plane out of the side core rod and alleged interference phenomenon occurs, often of the first on using spring to reset.
parts shape special or consider bringing in the need of production automation, after a stripping out action, it is difficult to from the cavity plastic parts or can't fall off automatically, must add a stripping out action, to make the plastic demoulding, sometimes in order to avoid a launched demoulding force is too large, plastic also USES secondary demoulding, to ensure the quality of plastic parts, the demoulding mechanism are called secondary institutions.
in some parts of the push rod, the end part of the roof in the plastic parts on the end face of the rest of the top in the mold parting surface, the push rod, both can be used to launch injection molding processing, but also double as reset lever. And, of course, be reset lever push rod, and should be distributed around the fixed plate, as far as possible in order to reset to smooth, if not, then reset lever should also be set as usual. Another launch institutions reset device for spring return.
single push board introduced secondary institutions refers to the launch institutions set up a set of push board and only push rod fixed plate, and the launch of another is accomplished by some special parts of movement. Spring loaded second launch institutions compression spring elastic function is usually used for the first time, and then by the push rod to achieve the second. Double push board second launch mechanism is set up two sets of push board in the mould, they respectively drive launched a set of plastic parts to implement a secondary ejection action.
more excellent articles: putting the choice of location, click directly.
http://www。 csssld。 cn//html/2017/Info_0521/582。 HTML
nantong on suye's official website: http://www. csssld。 Cn / /
more wonderful articles, immediately search: changshu da plastic products factory smoothly
spring reset is using the restoring force of compression spring reset launch mechanism, its reset before clamping action is complete. Insert the activity the back-end set push rod, in order to put before clamping inserts, often use spring to reset. Spring set between the push rod fixed plate and bearing plate, the design should be to prevent the push rod fixed plate spring killed after launch, or spring has been killed and is not yet in place.
in the process of practical production, some parts because of its special shape features, open mould after both may stay in the dynamic model on one side, is also likely to stay in the fixed mold side, even may also be of fixed mold plastic bag is bigger than the tension force of dynamic model and package force will stay in dynamic model. To make order from plastic, in addition to the part can be used in the die set to launch institutions outside, also can be used, dynamic model of two-way order launch mechanism, namely in the mould parts add a parting surface, when open mold to ensure the parting surface distance open, first let plastic parts from core demoulding on the fixed model, and then in the main parting parting surface, plastic parts can stay moving mould parts, finally by the dynamic model with institutions will be launched from plastic.
when the design should also note that the spring should be symmetrical around the perimeter of the push rod fixed plate installation, generally for four, often installed on the reset lever, also can set the spring column symmetry on the push rod fixed plate, in addition, also can be installed on the push board guide pin. In the inclined guide pillar fixed in the fixed mold, side slide block core is installed in the dynamic model of side core-pulling mechanism, set up under the plane out of the side core rod and alleged interference phenomenon occurs, often of the first on using spring to reset.
parts shape special or consider bringing in the need of production automation, after a stripping out action, it is difficult to from the cavity plastic parts or can't fall off automatically, must add a stripping out action, to make the plastic demoulding, sometimes in order to avoid a launched demoulding force is too large, plastic also USES secondary demoulding, to ensure the quality of plastic parts, the demoulding mechanism are called secondary institutions.
in some parts of the push rod, the end part of the roof in the plastic parts on the end face of the rest of the top in the mold parting surface, the push rod, both can be used to launch injection molding processing, but also double as reset lever. And, of course, be reset lever push rod, and should be distributed around the fixed plate, as far as possible in order to reset to smooth, if not, then reset lever should also be set as usual. Another launch institutions reset device for spring return.
single push board introduced secondary institutions refers to the launch institutions set up a set of push board and only push rod fixed plate, and the launch of another is accomplished by some special parts of movement. Spring loaded second launch institutions compression spring elastic function is usually used for the first time, and then by the push rod to achieve the second. Double push board second launch mechanism is set up two sets of push board in the mould, they respectively drive launched a set of plastic parts to implement a secondary ejection action.
more excellent articles: putting the choice of location, click directly.
http://www。 csssld。 cn//html/2017/Info_0521/582。 HTML
nantong on suye's official website: http://www. csssld。 Cn / /
more wonderful articles, immediately search: changshu da plastic products factory smoothly
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