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The design of the side parting and core pulling mechanism
by：CSSSLD
2021-02-03
In the process of injection molding processing core-pulling, attention should be paid to prevent technoloy removed from the top of the push rod, causing technoloy cannot complete the expected side parting and core pulling.
Guide chute is to maintain the action of the slider movement direction of the supporting parts, therefore requires the slider smooth movement within the guide chute, without running up and down movement and clamping phenomenon.
Although the dovetail groove of high precision, but manufacturing is more difficult, more in the mould with rectangular guide chute.
according to the characteristics of technoloy side parting and core pulling, and of the thrust drives on using technoloy oblique movement, at the same time of plastic parts was launched demoulding by technoloy side parting and core pulling. Design combinations should be considered when parting and core pulling in the direction of the requirements, and ensure the quality of plastic parts with good appearance, in addition, still should make the combination of the slider part has enough strength. According to different guide slide parts function, the technoloy of slip form can be divided into sliding block guide slide, slide, push rod guide push rod swing as three types of translation.
to ensure technoloy when clamping the jointing surface closed, avoid generated when the molding flash, between the bottom of the closed mold technoloy and template should be 0. 2mm- 0. 5 mm clearance, at the same time, higher than that of technoloy must also die set of 0. 2mm- 0. 5mm。 When technoloy and guide chute between the wear and tear, again through the end face grinding technoloy, can continue to keep the vertical parting surface or sex. For the mould, if there is between 0 and plate at the bottom of the technoloy. 2mm- 0. 5 mm clearance, plastic injection molding of PA66 is easy to produce flash flash, so should make technoloy and dynamic model at the bottom of the fixed plate clearance & le; 0. Higher than that of 015 mm, and technoloy die set of 0. 5 mm, to ensure that when clamping technoloy lock.
in general will be the main core position in dynamic model, so that in the process of stripping, plastic parts is loose, and the main core but when side parting for plastic parts still has the effect of limiting lateral movement, so plastic won't stick on the technoloy, demoulding more smoothly. For mold side core-pulling distance, and the diameter of the push rod is only 2 mm plastic, in order to make the second parting, smaller stripping resistance of plastic parts, should set the main core part in the mold, it also can make the dynamic model of part of the core core pulling and side parting done almost at the same time.
technoloy is usually installed in the moving mould part, and ask the plastic parts on the dynamic model of bag tight tight force is greater than the fixed mould part. When dynamic model of package force is less than set package force of mold parts, if you don't stop, technoloy in mould action has just begun, likely to produce relative motion dynamic model, cause the damage of plastic parts. In order to avoid this kind of phenomenon, the set of mold adopts the spring top pin locking device.
with side pumping mechanism of injection mold, its active components, action complex, special attention should be paid to the establishment in the design of reliable, flexible and efficient. Side pumping mechanism type many, according to different power source, the general can be divided into mechanical, hydraulic or pneumatic and manual three types, according to the plastic parts structure to carry on the reasonable choice. Technoloy drive side parting and core-pulling mechanism, usually technoloy by conical die set of lock, can bear larger lateral force, but not pull distance. Injection molding processing parts of the lateral concave shallow, the core pulling distance is not big, but the lateral concave molding area is larger, therefore need larger core pulling force, so just use the agency is more appropriate.
because of the high strength technoloy, technoloy of tilt Angle is the Angle of inclined guide pillar, generally in & le; 30° Within the scope of selection, mold technoloy Angle selected 30 & deg; 。 Technoloy launch schedule must be less than two-thirds of technoloy lead slip length. To change mould to 18 mm, schedule for the technoloy guide slide 36 mm 1/2 length, accordance with requirements, and adopt the four screw pin to limit of technoloy of launch, will not result in a reduction is difficult, so to be able to meet the requirements.
more excellent articles: form and runner gating system design, just click.
http://www。 csssld。 cn//html/2017/Info_0622/611。 HTML
nantong on suye's official website: http://www. csssld。 Cn / /
more wonderful articles, immediately search: changshu da plastic products factory smoothly
according to the characteristics of technoloy side parting and core pulling, and of the thrust drives on using technoloy oblique movement, at the same time of plastic parts was launched demoulding by technoloy side parting and core pulling. Design combinations should be considered when parting and core pulling in the direction of the requirements, and ensure the quality of plastic parts with good appearance, in addition, still should make the combination of the slider part has enough strength. According to different guide slide parts function, the technoloy of slip form can be divided into sliding block guide slide, slide, push rod guide push rod swing as three types of translation.
to ensure technoloy when clamping the jointing surface closed, avoid generated when the molding flash, between the bottom of the closed mold technoloy and template should be 0. 2mm- 0. 5 mm clearance, at the same time, higher than that of technoloy must also die set of 0. 2mm- 0. 5mm。 When technoloy and guide chute between the wear and tear, again through the end face grinding technoloy, can continue to keep the vertical parting surface or sex. For the mould, if there is between 0 and plate at the bottom of the technoloy. 2mm- 0. 5 mm clearance, plastic injection molding of PA66 is easy to produce flash flash, so should make technoloy and dynamic model at the bottom of the fixed plate clearance & le; 0. Higher than that of 015 mm, and technoloy die set of 0. 5 mm, to ensure that when clamping technoloy lock.
in general will be the main core position in dynamic model, so that in the process of stripping, plastic parts is loose, and the main core but when side parting for plastic parts still has the effect of limiting lateral movement, so plastic won't stick on the technoloy, demoulding more smoothly. For mold side core-pulling distance, and the diameter of the push rod is only 2 mm plastic, in order to make the second parting, smaller stripping resistance of plastic parts, should set the main core part in the mold, it also can make the dynamic model of part of the core core pulling and side parting done almost at the same time.
technoloy is usually installed in the moving mould part, and ask the plastic parts on the dynamic model of bag tight tight force is greater than the fixed mould part. When dynamic model of package force is less than set package force of mold parts, if you don't stop, technoloy in mould action has just begun, likely to produce relative motion dynamic model, cause the damage of plastic parts. In order to avoid this kind of phenomenon, the set of mold adopts the spring top pin locking device.
with side pumping mechanism of injection mold, its active components, action complex, special attention should be paid to the establishment in the design of reliable, flexible and efficient. Side pumping mechanism type many, according to different power source, the general can be divided into mechanical, hydraulic or pneumatic and manual three types, according to the plastic parts structure to carry on the reasonable choice. Technoloy drive side parting and core-pulling mechanism, usually technoloy by conical die set of lock, can bear larger lateral force, but not pull distance. Injection molding processing parts of the lateral concave shallow, the core pulling distance is not big, but the lateral concave molding area is larger, therefore need larger core pulling force, so just use the agency is more appropriate.
because of the high strength technoloy, technoloy of tilt Angle is the Angle of inclined guide pillar, generally in & le; 30° Within the scope of selection, mold technoloy Angle selected 30 & deg; 。 Technoloy launch schedule must be less than two-thirds of technoloy lead slip length. To change mould to 18 mm, schedule for the technoloy guide slide 36 mm 1/2 length, accordance with requirements, and adopt the four screw pin to limit of technoloy of launch, will not result in a reduction is difficult, so to be able to meet the requirements.
more excellent articles: form and runner gating system design, just click.
http://www。 csssld。 cn//html/2017/Info_0622/611。 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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