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注塑模具加工驅動的幾種方式

刮刮乐2000 www.yfrmbf.com.cn 來源:    發布時間:2019-04-29 15:32:08    點擊:

  注塑模具加工運動的驅動和驅動力(沖壓力,模具的鎖模力,資料的落錘重,擠壓力等)是由成形加工機床和設備的動力經傳動機構提供的。
  The driving and driving forces (stamping force, clamping force, drop weight of data, extrusion force, etc.) of the injection mould processing movement are provided by the power transmission mechanism of the forming machine tool and equipment.
  機電驅動:如沖壓機、摩擦壓力機、輥鍛機械等,都是由電動機提供動力和旋轉運動,以驅動傳動機構,并經過滑塊等和模具運動局部停止銜接運動,以驅動模具定向運動,并把傳送的驅動力作用于模具,使模具對資料停止成形加工。
  Mechanical and electrical drive: such as punch, friction press, roll forging machinery, etc., are powered and rotated by motors to drive the transmission mechanism, and through slider and die movement, local stop convergence movement, in order to drive the directional movement of the die, and the transmission of driving force on the die, so that the die to stop forming processing of data.
  電液驅動:即經過注塑成型電動機驅動液壓泵或水泵產生液壓和水壓,并經過液體的液壓保送和控制系統,產生一定的額定壓力來驅動模具的運動局部(如動模)相銜接的液壓缸或者活塞,差遣動模相對定模來停止定向平移的運動,再對資料停止進一步緊縮,使資料在停止成形加工后成為制件注塑模具氣壓成形;主要用于吸塑和吹塑成形加工,即當模具處于固定狀態的時分,經氣泵使其產生一定的負壓將塑料板材直接吸貼于模具型面上,構成制件,吹塑則是經過氣泵產生一定氣壓的氣體,吹人熱熔態塑件或熱熔態玻璃制件毛坯空腔,使其擴展、變形,并貼附在模具型腔外表上,構成制件。
  Electro-hydraulic drive: that is to say, the injection-moulding motor drives the hydraulic pump or water pump to produce hydraulic pressure and water pressure, and through the hydraulic delivery and control system of the liquid, produces a certain rated pressure to drive the hydraulic cylinder or piston connected by the moving parts of the die (such as the moving die), and the differential die is relative to the fixed model to stop the movement of directional translation, and then the data is stopped to further tighten, so as to make the capital available. Material is pneumatic forming of injection moulds after stopping forming processing; mainly used for suction and blow moulding processing, that is, when the moulds are in a fixed state, the plastic sheets are directly sucked onto the surface of the moulds by the negative pressure generated by the air pump to form parts, while blow moulding is a gas which produces a certain pressure through the air pump to blow hot-melt plastic parts or hot-melt glass parts. The blank cavity is expanded and deformed, and attached to the surface of the die cavity to form a part.
  疊層注塑加工模具
  Laminated Injection Mold
  另外,注塑模具加工驅動比如說鋁合金的型材,塑料型材、片材或薄膜,普通都采用擠出成形的工藝。其模具固定在機頭上,資料以擠壓方式經過模具,對模具作相對運動而成的各種制件。如塑料型材是依托不停的擠出機器的螺桿的螺旋運動,將塑料擠入模具并經過模具的型面,經冷卻定型成型材。擠出的型材被牽引機構向前牽引,使停止連續成形加工。
  In addition, extrusion process is commonly used to drive injection mold processing, such as aluminium alloy profiles, plastic profiles, sheets or films. The die is fixed on the machine head, and the data are extruded through the die, and the relative movement of the die is made into various parts. For example, plastic profiles rely on the spiral movement of the screw of the continuous extrusion machine to extrude the plastic into the mould and pass through the surface of the mould, and then cool the shaped material. The extruded profile is pulled forward by the traction mechanism to stop the continuous forming process.
                                            山東模具
  模具消費注塑件時產品整體發脆的緣由
  Reasons for the Brittleness of the Product as a Whole when Mold Consumption Injection Molding Parts1.注塑機射出和保壓壓力缺乏; 2.背壓太小、原料不夠扎實;3.背壓太大,剪切、磨擦熱量增加; 4.射速太慢,未充沛結晶;5.模溫太高,原料過火、合成、蛻變; 6.模溫太低,未充沛結晶;7.射出、保壓時間缺乏; 8.注塑機?;奔涮ち撕妥⑺苤芷諤?;9.儲料時間太長; 10.二級回料在新料里添加比例太多;11.原料強度、韌性不夠,粘度不夠; 12.添加劑不合理,或添加太多;13.原料未充沛烘干; 14.產品內部構造有些中央太厚,有些中央太薄,不平均,進料中央思索不合理。
  1.注塑機射出和保壓壓力缺乏; 2.背壓太小、原料不夠扎實;3.背壓太大,剪切、磨擦熱量增加; 4.射速太慢,未充沛結晶;5.模溫太高,原料過火、合成、蛻變; 6.模溫太低,未充沛結晶;7.射出、保壓時間缺乏; 8.注塑機?;奔涮ち撕妥⑺苤芷諤?;9.儲料時間太 Long; 10. The proportion of secondary recycling in new materials is too much; 11. The strength and toughness of raw materials are not enough, and the viscosity is not enough; 12. The additives are unreasonable or too much; 13. The raw materials are not fully dried; 14. The inner structure of products is too thick, some are too thin and uneven, and the central thinking of feeding is unreasonable.
  15.模具進料不平均,冷料井不夠; 16.產品壁厚太薄17.注塑機溫度時高時低,不穩定; 18.注塑機料管沒清算好;19.頂出不合理,塑體應力增加,產生決裂;20.塑料件模具冷卻回路沒排好。
  15. Inequality of die feeding and inadequate cooling well; 16. Product wall thickness is too thin 17. Injection molding machine temperature is high and low, unstable; 18. Injection molding machine material pipe is not liquidated; 19. unreasonable ejection, plastic body stress increases, resulting in cracks; 20. Plastic parts die cooling circuit is not arranged properly.
 
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