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    • 2. 发明授权
    • Injection molding condition setting method
    • 注塑条件设定方法
    • US5275768A
    • 1994-01-04
    • US910364
    • 1992-07-24
    • Yoshiharu InabaTakayuki TairaMasao KamiguchiHiroshi Watanabe
    • Yoshiharu InabaTakayuki TairaMasao KamiguchiHiroshi Watanabe
    • B29C45/76
    • B29C45/76B29C45/766
    • An injection molding condition setting method capable of setting optimum molding conditions quickly and easily. A processor (12) of a control device furnished with an expert system, which includes a state table containing a plurality of states each composed of a combination of mold information, resin data, molding conditions, molding defect data, and molding monitor data, and a weight table listing weighted countermeasures against defect molding set for every state, retrieves a state nearest to a trial injection state, which is discriminated in accordance with the mold information, resin data, and molding conditions set before the start of trial injection, the molding monitor data detected during the execution of the trial injection and the molding defect data inputted after the end of the trial injection, from the state table, and determines a molding defect countermeasure corresponding to the retrieved state and having the maximum weight with reference to a weight table. While the trial injection is repeated with the molding conditions modified in accordance with the molding defect countermeasure, the processor modifies, as required, the weight of the molding defect countermeasure for the preceding cycle of trial injection depending on the result of comparison between a molding defect occurred in the preceding trial injection cycle and one occurred in the present trial injection cycle.
    • PCT No.PCT / JP91 / 01671 Sec。 371日期:1992年7月24日 102(e)日期1992年7月24日PCT 1991年11月29日PCT PCT。 出版物WO92 / 09417 日期:1992年6月11日。一种能够快速,容易地设定最佳成型条件的注塑条件设定方法。 具有专家系统的控制装置的处理器(12),其包括由模具信息,树脂数据,成型条件,成型缺陷数据和成型监视数据的组合组成的包含多个状态的状态表,以及 重量表列出了针对每个状态设置的加工对策,针对每个状态设置的缺陷成型,检索最接近试验注射状态的状态,该状态根据模具信息,树脂数据和在试射注射开始之前设定的成型条件来区分,成型 在试验注射执行期间检测到的数据和在试验注射结束之后输入的模制缺陷数据从状态表中,并且确定与检索状态相对应并且具有参考重量的最大重量的成型缺陷对策 表。 当按照成型缺陷对策改进的成型条件重复试验注射时,根据需要,处理器根据成型缺陷的比较结果改变上一次试验循环的成型缺陷对策的重量 发生在上述试验注射循环中,一次发生在本试验注射循环中。
    • 3. 发明授权
    • Method for taking countermeasures against faulty molding in an injection
molding machine
    • 注射成型机中造成不正常成型的对策方法
    • US5225122A
    • 1993-07-06
    • US730848
    • 1991-08-29
    • Yoshiharu InabaMasao KamiguchiTakayuki TairaHiroshi Watanabe
    • Yoshiharu InabaMasao KamiguchiTakayuki TairaHiroshi Watanabe
    • G01D21/00B29C45/76
    • B29C45/766
    • A method for taking countermeasures against faulty molding in which, with the aid of an expert system, restoration to a nondefective molding condition when faulty molding takes place during the mass production of molded products. When threshold values of a plurality of molding parameters, and information indicative of countermeasure processes, respectively corresponding to combinations of evaluations on these parameters and determined on the basis of the knowledge and experiences of skilled persons, are manually entered through a data input device (119), they are stored in tables of a memory (110) beforehand under the control of a processor (114). Upon start of the mass production, the injection time, metering time and cushion amount which are measured or calculated during a molding cycle, and the resin pressures corresponding to the manually set screw positions at the time of passing the gate and filling are set in the tables as reference values of the parameters. Upon occurrence of faulty molding, the processor makes an evaluation on each parameter by comparing the deviation between each parameter value in the molding cycle accompanied with the faulty molding and its reference value with threshold values, and changes desired ones of parameter values forming the molding condition, in accordance with a countermeasure process that has been read from the tables in dependence on results of the evaluations.
    • PCT No.PCT / JP90 / 01519 Sec。 371日期1991年8月29日 102(e)日期1991年8月29日PCT 1990年11月21日PCT PCT。 出版物WO91 / 08097 日期:1991年6月13日。一种对错误成型采取对策的方法,其中借助专家系统,在批量生产成型产品期间发生故障模制时,恢复到无损模制条件。 当通过数据输入装置(119)手动输入多个模制参数的阈值和指示对策处理的信息,分别对应于这些参数的评估的组合并且基于熟练技术人员的知识和经验确定 ),它们在处理器(114)的控制下预先存储在存储器(110)的表中。 开始批量生产时,在成型周期中测量或计算的注射时间,计量时间和缓冲量以及通过浇口和填充时对应于手动固定螺钉位置的树脂压力设定在 表作为参数的参考值。 在发生故障模制时,处理器通过比较伴随有故障模制的成型周期中的每个参数值与其参考值与阈值之间的偏差来对每个参数进行评估,并且改变形成成型条件的所需参数值 ,根据从表中读取的依赖于评估结果的对策程序。
    • 5. 发明授权
    • Crank driven injection apparatus for injection molding machine
    • 用于注射成型机的起重机驱动注射装置
    • US5158783A
    • 1992-10-27
    • US720755
    • 1991-07-02
    • Yoshiharu InabaKoichi Nishimura
    • Yoshiharu InabaKoichi Nishimura
    • B29C45/46B29C45/50
    • B29C45/5008B29C2045/502
    • A low cost crank operated injection apparatus is capable of driving an injection screw with a desired driving force without the need of employing a high output type electric motor. The injection apparatus includes a crank mechanism for converting forward and reverse rotation of a driving shaft into reciprocating motion of an injection screw mounted on a pusher plate. The driving shaft is coupled through a reduction gearing unit to the power output shaft of a servomotor controlled by a numerical control device, and the apparatus operates, during the injection process, so as to cause the injection screw to move forwardly with a great driving force. The servomotor is rotated in such a manner that the driving shaft is driven forwardly within a predetermined rotary angular region corresponding to an operational region which does not include the dead center positions of the crank mechanism, whereby rapid changes in the injection speed and in the rate of change of injection pressure are eliminated during the operating cycle.
    • PCT No.PCT / JP90 / 01408 Sec。 371日期:1991年7月2日 102(e)日期1991年7月2日PCT 1990年11月1日PCT PCT。 出版物WO91 / 06414 日期:1991年5月16日。低成本曲柄式注射装置能够驱动具有期望驱动力的注射螺杆,而不需要使用高输出型电动机。 注射装置包括用于将驱动轴的正向和反向旋转转换成安装在推动板上的注射螺杆的往复运动的曲柄机构。 驱动轴通过减速装置联接到由数控装置控制的伺服电动机的动力输出轴上,并且该装置在喷射过程中操作以使喷射螺杆以大的驱动力向前移动 。 伺服电动机以这样的方式旋转,使得驱动轴在对应于不包括曲柄机构的死点位置的操作区域的预定旋转角度区域内向前驱动,由此喷射速度和速率的快速变化 在操作周期中消除了喷射压力的变化。
    • 7. 发明授权
    • Screw-rotating/injection mechanism of injection molding machine
    • 注塑机旋转/注射机构
    • US4693676A
    • 1987-09-15
    • US841523
    • 1986-03-06
    • Yoshiharu Inaba
    • Yoshiharu Inaba
    • B29C45/50B29C45/77
    • B29C45/5008
    • A screw-rotating/injection mechanism of an injection molding machine has a screw shaft (1) having a rear portion thereof connected to a drive shaft (1') which is rotatably fixed to a pressure plate (4). A nut (6) which is spline-coupled to a spline shaft (5) constituting a rear portion of the drive shaft (1') is driven by a screw rotating motor (M1) through a first transmission unit (9, 10, 13, 15) to rotate the screw shaft (1). A ball screw (8, 8') threadedly engaged with a ball nut (7, 7'), fixed to the pressure plate (4), is driven by an injection servo motor (M2) through a second transmission unit (11, 11', 14, 16) to move the screw shaft (1) forward, thereby performing injection.
    • PCT No.PCT / JP85 / 00382 Sec。 371日期:1986年3月6日 102(e)1986年3月6日PCT PCT。1985年7月5日PCT公布。 公开号WO86 / 00562 日期:1986年1月30日。注射成型机的螺杆旋转/注射机构具有螺杆轴(1),其后部连接到驱动轴(1'),驱动轴(1')可旋转地固定到压板 )。 与构成驱动轴(1')的后部的花键轴(5)花键连接的螺母(6)通过第一传动单元(9,10,13)由螺杆旋转马达(M1)驱动 ,15)旋转螺杆轴(1)。 通过喷射伺服电动机(M2)通过第二传动单元(11,11)驱动固定到压板(4)上的与滚珠螺母(7,7')螺纹接合的滚珠丝杠(8,8') ',14,16)将螺杆轴(1)向前移动,从而进行喷射。