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    Mold condition detecting device and method for injection molding machine
    2.
    发明公开
    Mold condition detecting device and method for injection molding machine 审中-公开
    装置和方法，用于检测该模制条件的注塑成型机

    公开(公告)号：EP1175989A2

    公开(公告)日：2002-01-30

    申请号：EP01306404.3

    申请日：2001-07-26

    申请人： Fanuc Ltd

    发明人： Kamiguchi, Masao ,  Uchiyama, Tatsuhiro ,  Kobayashi, Minoru. Room 11-601 ,  Komiya, Shingo

    IPC分类号： B29C45/76

    CPC分类号： B29C45/7653 ,  B29C45/7626 ,  B29C2045/764

    摘要： The invention provides a device and a method for detecting condition of molds (m1, m2) attached to an injection molding machine with low cost and high reliability. A load exerted on a product ejecting mechanism (7) or a mold opening/closing mechanism (4, 5, m1, 6) is preferably estimated by a disturbance torque estimating observer. An index value (for example a maximum value or average value) of the load is obtained and stored preferably in each molding cycle of the injection molding machine. Obtained values of the index are suitably displayed as a graph on a display device to indicate variation of the load in time series and thus allow an operator to monitor the condition of the molds.

    Pressure abnormality detecting device for injection molding machine
    7.
    发明公开
    Pressure abnormality detecting device for injection molding machine 有权
    Vorrichtung zur Feststellung einer Druckabweichungfüreine Spritzgiessmaschine

    公开(公告)号：EP1695809A2

    公开(公告)日：2006-08-30

    申请号：EP06250769.4

    申请日：2006-02-14

    申请人： FANUC LTD

    发明人： Uchiyama, Tatsuhiro ,  Kobayashi, Minoru, Fanuc Manshonharimomi ,  Komiya, Shingo

    IPC分类号： B29C45/77 ,  B29C45/50

    CPC分类号： B29C45/77 ,  B29C45/50 ,  B29C45/768 ,  B29C2945/76006 ,  B29C2945/76066 ,  B29C2945/76083 ,  B29C2945/7611 ,  B29C2945/76163 ,  B29C2945/76187 ,  B29C2945/76381 ,  B29C2945/76933 ,  B29C2945/76939

    摘要： An injection screw position Xa, injection speed Va, and injection pressure Pa are read. A deceleration distance D the injection screw moves from the point where the injection operation has been stopped at the current moment to be decelerated by_maximum deceleration till the point where the injection speed is reduced to zero is determined from a corrected deceleration in which the amount of correction α is added to a predetermined deceleration A inherent in the machine and the read injection speed Va. The determined deceleration distance D is multiplied by the amount of change in injection pressure with respect to the amount of change in the injection screw position to determine a predicted increment in pressure (D·ΔP/ΔX). The predicted increment in pressure is added to the current injection pressure Pa to determine an injection pressure Pa* predicted when the screw is suddenly decelerated at the current moment. If the predicted injection pressure Pa* exceeds the predetermined limit pressure Pmax, the injection operation is stopped to decelerate the screw.

    摘要翻译： 读取注射螺钉位置Xa，注射速度Va和注射压力Pa。 喷射螺杆从当前时刻停止喷射操作的点移动到减速时的减速距离D减去直到喷射速度降低到零的点为止的最大减速度从校正减速度确定，其中校正量 将±加到机器固有的预定减速度A和读取喷射速度Va中，将确定的减速距离D乘以喷射压力相对于喷射螺杆位置的变化量的变化量，以确定预测的 压力增加（D·“P /”X）。 将预测的压力增量加到当前的注射压力Pa上，以确定螺杆在当前瞬间减速时预测的注射压力Pa *。 如果预测的喷射压力Pa *超过预定极限压力Pmax，则停止喷射操作以使螺杆减速。

    Injection molding machine metering method and control device
    8.
    发明公开
    Injection molding machine metering method and control device 有权
    Dosierungsverfahrenfüreine Spritzgiessmaschine und Steuerung

    公开(公告)号：EP1418038A3

    公开(公告)日：2006-05-03

    申请号：EP03256968.3

    申请日：2003-11-04

    申请人： FANUC LTD

    发明人： Uchiyama, Tatsuhiro ,  Komiya, Shingo

    IPC分类号： B29C45/76 ,  B29C45/77

    CPC分类号： B29C45/77 ,  B29C45/76 ,  B29C2945/76006 ,  B29C2945/76066 ,  B29C2945/7612 ,  B29C2945/76187 ,  B29C2945/76287 ,  B29C2945/76401 ,  B29C2945/76454 ,  B29C2945/76498 ,  B29C2945/76511 ,  B29C2945/76525 ,  B29C2945/76568 ,  B29C2945/76605 ,  B29C2945/76665 ,  B29C2945/76943

    摘要： The retraction of an injection screw is controlled on the basis of the pressure deviation between a set resin pressure and the detected resin pressure (T1-T4). Furthermore, the screw is caused to rotate at a set speed. Moreover, when the deviation between a metering completion position and the current screw retraction position drops to a value that is equal to or less than a set value, control of the retraction of the screw based on the pressure deviation is stopped (T5, T6), and the control is switched to positioning control based on the positional deviation (T7). Furthermore, a screw rotational speed command in which the pressure deviation component between the set resin pressure and the current resin pressure is corrected from the screw rotational speed component that is decelerated in proportion to the positional deviation is determined and output (T8-T13).

    摘要翻译： 基于设定的树脂压力和检测到的树脂压力（T1-T4）之间的压力偏差来控制注射螺杆的缩回。 此外，使螺杆以设定的速度旋转。 此外，当计量完成位置和当前螺杆回缩位置之间的偏差下降到等于或小于设定值的值时，停止基于压力偏差的螺杆回缩的控制（T5，T6） ，并且基于位置偏差（T7）将控制切换到定位控制。 此外，确定并输出从设定树脂压力和当前树脂压力之间的压力偏差分量与从位置偏差成比例减速的螺杆转速分量校正的螺杆转速指令（T8-T13）。

    Injection molding machine
    9.
    发明公开
    Injection molding machine 有权
    Spritzgießverfahren

    公开(公告)号：EP1439047A1

    公开(公告)日：2004-07-21

    申请号：EP04250095.9

    申请日：2004-01-09

    申请人： FANUC LTD

    发明人： Watanabe, Hiroshi ,  Komiya, Shingo

    IPC分类号： B29C45/76 ,  B29C45/52

    CPC分类号： B29C45/76 ,  B29C45/50 ,  B29C45/52 ,  B29C2945/76076 ,  B29C2945/76086 ,  B29C2945/7611 ,  B29C2945/7612 ,  B29C2945/76187 ,  B29C2945/76498 ,  B29C2945/76665 ,  B29C2945/76859

    摘要： By starting injection in an injection molding machine, resin pressure in front of a check valve (3,4) is raised, and a check ring (3) moves backwards. Pressure of resin (8) accumulated between flights (5) of the injection screw (1) prevents the check ring (3) from moving backwards, and the screw (1) is kept freely rotatable to thereby make the backward speed of the check ring (3) faster. Therefore, the check ring (3) is brought into tight contact with a check seat (4) quickly to close the resin path. Thereafter, the rotation of the screw (1) is fixed, and reduced pressure in the injection/dwell stages causes the screw (1) to rotate in a normal direction, and prevents the resin (8) from being pressed toward the front of the check valve (3,4).

    摘要翻译： 通过在注射成型机中开始注射，止回阀（3,4）前面的树脂压力升高，止回环（3）向后移动。 在注射螺杆（1）的间隙（5）之间累积的树脂（8）的压力防止止回环（3）向后移动，并且螺钉（1）保持自由旋转，从而使止回环的后退速度 （3）更快。 因此，止回环（3）快速地与支座（4）紧密接触以封闭树脂路径。 此后，螺钉（1）的旋转被固定，并且喷射/停留阶段中的减压使螺杆（1）沿正常方向旋转，并且防止树脂（8）被压向 止回阀（3,4）。