In the one-stage process, when the preforms cool to about110oC, the stretch and blow moulding process begins. 一步法是在瓶坯注塑后冷却到约110℃时做拉吹动作。
In extrusion blow moulding, the bottle neck is not smooth, and has to be scraped to remove the flashing. This avoids leakage after a cap is put on. 挤吹的瓶子瓶颈不算平整,通常都需要刮去毛边才能保证旋上瓶盖后不漏水。
In the injection stretch blow moulding process, injection moulding machine is used to make the preform. 注拉吹工艺先用注塑机注出瓶坯。
In the second stage, room temperature preforms are reheated, stretched and blow moulded into bottles, in a reheat stretch blow moulding machine. 第二步将室温的瓶坯再加热后,拉吹成为瓶子,是在另一台再加热,拉吹机上完成。
The process in the production of modified medical PET bottles by means of a small extrusion blow moulding machine was introduced. 介绍使用小型挤出吹塑机生产改性PET医用吹塑瓶的工艺条件,列举并探讨了影响其制品质量的各种因素及采取的相应对策。
If the process of injection stretch and blow moulding are performed within one machine, the process is called one-stage. 在一台机内完成注、拉、吹工序的工艺叫一步法。
The disadvantages of injection stretch blow moulding is difficult to add handle and expensive preform mould, which has a long delivery time. 注拉吹的缺点是不易加手柄,注塑模具昂贵,而且交货期长。
Blow Moulding of PEN Resin PEN树脂的吹塑成型
By means of intermolecular composition and plasticization, uniform and transparent poly ( vinyl alcohol)( PVA) blown tube parisons were prepared successfully with single screw extruder and self-made blow moulding machine. 采用分子复合和增塑方法改性聚乙烯醇(PVA)1799,在单螺杆挤出机和自行设计的吹塑装置上实现了PVA的挤出吹塑成型,获得了均匀透明的PVA吹塑管坯。
Blow moulding condition of two-layer film is simulated by MATLAB programming. 采用MATLAB软件编程模拟了双层复合膜的吹塑。
Effects of facility structure, technical parameters, moulding conditions such as moisture content of PET, material temperature, injection pressure, mold temperature for the billet injection moulding, reheating and stretch& blow moulding conditions on the quality of products were investigated. 研究了设备结构和技术参数、工艺条件如树脂含水量、瓶坯注塑成型温度、压力、时间、模温,瓶坯二次加热条件、拉伸吹塑条件等对制品质量的影响。
Progress in Study on Parison Forming in Extrusion Blow Moulding 挤出吹塑中型坯成型研究的进展
Progress of Experimental Study in Extrusion Blow Moulding 挤出吹塑实验研究进展
Calculation Simulation of Inflation Process in Blow Moulding 吹塑中膨胀过程的计算模拟
Innovative products of and technologies for resins, additives, injection moulding machines, extruders, blow moulding machines as well as mixing equipment showcased on the 20 International Exhibition on Plastics and Rubber Industries were introduced. 介绍了第二十届中国国际塑料橡胶工业展览会(Chinaplas2006)展出的树脂、助剂、注射成型、挤出成型、中空成型技术与设备及混炼机械和周边机器等方面的新产品、新技术。
A New Design of Clamping Unit Used in Blow Moulding Machine 塑料中空成型设备锁模机构的一种新设计
The process of two step injection strecth blow moulding PET bottles using self made facilities and home made raw material was described in tiis paper. 介绍用自制设备和国产原料,二步法注拉吹工艺生产PET瓶。
Hydraulic Servo System for Adjust The Clearance of Blow Moulding Die 调节挤出吹塑口模间隙的液压伺服系统
Parison Wall Thickness Programmer for Blow Moulding Machines 塑料中空成形机壁厚控制器
Thermodynamic Analysis and Power-Saving Research of Heating Devices of Blow Moulding Machines for Bottles 吹瓶机加热装置热力学分析及节能措施的研究
Parison wall thickness programmer is one of the key elements in blow moulding machines. 型坯壁厚控制器是塑料中空成型机的关键部件之一。
Design on Accumulator Head with Adjustable Core for Blow Moulding 芯模可调的储料式机头的设计
In this article shapes of parisons and blowing mandrels for injection blow mould-ings were designed according to the shapes of finished articles and the feature of injec-tion blow moulding process. 本文依据中空容器的结构特点及注射吹塑成型机成型工艺特点,设计注射吹塑用型坯及芯棒。
According to the research and analysis on structural parameter, blow-up ratio, parison thickness and mandrel pattern of the injection blow moulding blank, you could determine the structural parameter of the mandrel and produce qualified injection blow plastic product. 通过对塑料注吹模型坯结构参数、吹胀比、型坯壁厚以及芯棒形成的研究分析,确定了系列芯棒的结构参数,生产出了合格注吹塑料制品。
Technology of Stretch Blow Moulding PET Bottles PET瓶双向拉伸吹塑成型技术
This paper preliminarily analyses the process parameters of blow moulding, using the method of injection flow analysis, the computer simulation method of blow moulding is put forward to optimize the process parameters. 通过对吹塑成型工艺参数的分析,结合注塑流动分析方法,初步提出了一个用于优化吹塑工艺参数的计算机模拟模式。
Research Advance on product cooling in extrusion blow moulding 挤出吹塑中制品冷却的研究进展
Selection of Neural Network Model in Parison Formation in Extrusion Blow Moulding 挤出吹塑中型坯成型的神经网络模型的选取