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Cosmetic plastic hose mould cooling way
by：Lisson
2021-01-13
Cosmetic plastic hose mould cooling
cosmetic plastic hose
to keep the mold temperature is always in the process, within the prescribed scope of mold heat preservation and cooling is extremely important measures of forming viscous state cosmetic plastic material, must be fully cooling in the mold, can keep shape after leave molding machine. In the process of forming, due to a lot of heat generated by the cooling mould wall. Cooling method is as follows.
cosmetic plastic hose manufacturer
(1) in the atmosphere of natural cooling, heat transfer ability is limited, because the metal mould itself natural cooling only suitable for forming speed is low. This method is more commonly used for manual work, especially when artificial blowing hollow plastic cosmetics.
2) cycle to mould artificial water cooling: cooling block or graphite mould in this way, the water vapor layer formed between the mould and cosmetic plastic isolation and the role of lubrication layer. This method is suitable for artificial blowing and fully automatic plastic forming thin-walled seamless cosmetics.
3. Use one or more shares of compressed air flow, Blowing straight or oblique blow mold wall) On mold cooling: this method is most widely used in cosmetic plastic hollow molding.
depending on the cooling area, can be used for cooling the outer wall or cycle to direct contact cooling with cosmetic plastic mold wall, also can adopt the above two methods at the same time
in addition to air, also has the initiative with the other methods of coolant for cooling, such as evaporative cooling method and sodium was used as the coolant circulating cooling method, and the water cooling.
water temperature and flow rate of cooling water and the requirement of water quality, etc. According to the production rate of the products, mold material, shape and thickness of each part is different and different, kinescope glass shell mould, for example: glass screen to punch the cooling water flow rate of 20 l/min hydraulic 0. 3MP.
cosmetic plastic hose
to keep the mold temperature is always in the process, within the prescribed scope of mold heat preservation and cooling is extremely important measures of forming viscous state cosmetic plastic material, must be fully cooling in the mold, can keep shape after leave molding machine. In the process of forming, due to a lot of heat generated by the cooling mould wall. Cooling method is as follows.
cosmetic plastic hose manufacturer
(1) in the atmosphere of natural cooling, heat transfer ability is limited, because the metal mould itself natural cooling only suitable for forming speed is low. This method is more commonly used for manual work, especially when artificial blowing hollow plastic cosmetics.
2) cycle to mould artificial water cooling: cooling block or graphite mould in this way, the water vapor layer formed between the mould and cosmetic plastic isolation and the role of lubrication layer. This method is suitable for artificial blowing and fully automatic plastic forming thin-walled seamless cosmetics.
3. Use one or more shares of compressed air flow, Blowing straight or oblique blow mold wall) On mold cooling: this method is most widely used in cosmetic plastic hollow molding.
depending on the cooling area, can be used for cooling the outer wall or cycle to direct contact cooling with cosmetic plastic mold wall, also can adopt the above two methods at the same time
in addition to air, also has the initiative with the other methods of coolant for cooling, such as evaporative cooling method and sodium was used as the coolant circulating cooling method, and the water cooling.
water temperature and flow rate of cooling water and the requirement of water quality, etc. According to the production rate of the products, mold material, shape and thickness of each part is different and different, kinescope glass shell mould, for example: glass screen to punch the cooling water flow rate of 20 l/min hydraulic 0. 3MP.
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