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    • 1. 发明授权
    • Injection molding machine for two-material molding
    • 注塑机用于双材料成型
    • US08550800B2
    • 2013-10-08
    • US13377748
    • 2009-12-07
    • Satoshi MiyagawaNaoki KatoYasuaki OzekiHiroto MatsushitaMasamitsu SajiYasuo OkochiToshihiko KariyaKoji Kubota
    • Satoshi MiyagawaNaoki KatoYasuaki OzekiHiroto MatsushitaMasamitsu SajiYasuo OkochiToshihiko KariyaKoji Kubota
    • B29C45/73
    • B29C45/1628B29C45/73
    • It is an object to prevent dies from interfering with each other when the dies are closed and effectively prevent overshoot of cavity temperature while efficiently performing heating of the dies. In an injection molding machine for two-material molding including two sets of a first injecting unit and a second injecting unit that respectively plasticize different resin materials and inject and fill the resin materials, prior to performing injection molding on the first injecting unit side on a secondary side, after injection molding on the second injecting unit side on a primary side, heating of the dies is started before 180-degree rotation of a rotary die plate is completed. After the start of heating, until the 180-degree rotation of the rotary die plate is completed, i.e., die closing is performed, die temperatures are maintained within a temperature range set higher than die temperatures during the heating start and lower than die temperatures during injection.
    • 本发明的目的是在模具闭合时防止模具相互干扰,并且有效地防止腔体温度的过冲,同时有效地执行模具的加热。 在用于双材料成型的注射成型机中,包括两组分别塑化不同树脂材料并注入和填充树脂材料的第一注射单元和第二注射单元,在第一注射单元侧进行注射成型之前, 次级侧,在一次侧的第二注射单元侧注射成型后,在旋转模板的180度旋转完成之前开始模具的加热。 开始加热后,直到旋转模板的180度旋转完成,即执行模具闭合,模具温度保持在设定为高于加热开始时的模具温度的温度范围内,并且低于模具温度 注射。
    • 5. 发明授权
    • Mold temperature adjusting apparatus/method and mold temperature control unit
    • 模具温度调节装置/方法和模具温度控制单元
    • US07527756B2
    • 2009-05-05
    • US11708561
    • 2007-02-21
    • Satoshi MiyagawaKoji Kubota
    • Satoshi MiyagawaKoji Kubota
    • B29C45/73
    • B29C35/007B29C45/7306B29C2045/7393Y02P70/26
    • A mold temperature adjusting apparatus is provided in which change-over timing of high temperature medium and low temperature medium is adjusted by a heat transmission delay in heating and cooling of a mold being taken into consideration. The mold temperature adjusting apparatus comprises a high temperature fluid tank and a low temperature fluid tank, a high temperature fluid supply system and a high temperature fluid return system between the mold and the high temperature fluid tank, a low temperature fluid supply system and a low temperature fluid return system between the mold and the low temperature fluid tank, a high temperature fluid by-pass system and a low temperature fluid by-pass system, a heat recovery tank connected to the high temperature fluid tank and a pressure adjusting device.
    • 提供了一种模具温度调节装置,其中通过考虑到模具的加热和冷却中的热传递延迟来调节高温介质和低温介质的转换时间。 模具温度调节装置包括高温流体箱和低温流体箱,高温流体供应系统和模具与高温流体箱之间的高温流体回流系统,低温流体供应系统和低温流体供应系统 模具与低温流体箱之间的高温流体回流系统,高温流体旁通系统和低温流体旁通系统,连接到高温流体箱的热回收罐和压力调节装置。
    • 7. 发明申请
    • Mold temperature adjusting apparatus/method and mold temperature control unit
    • 模具温度调节装置/方法和模具温度控制单元
    • US20070184139A1
    • 2007-08-09
    • US11708561
    • 2007-02-21
    • Osamu MuranakaNaoki TodaMasahiro BesshoSatoshi MiyagawaKoji Kubota
    • Osamu MuranakaNaoki TodaMasahiro BesshoSatoshi MiyagawaKoji Kubota
    • B29C45/73
    • B29C35/007B29C45/7306B29C2045/7393Y02P70/26
    • A mold temperature adjusting apparatus is provided in which change-over timing of high temperature medium and low temperature medium is adjusted by a heat transmission delay in heating and cooling of a mold being taken into consideration, so that a cycle time of molding steps is shortened, a temperature deflection from a set temperature of the high temperature and low temperature medium is reduced, an energy loss is reduced and an optimal mold temperature for an injection step can be obtained. The mold temperature adjusting apparatus comprises a high temperature fluid tank and a low temperature fluid tank, a high temperature fluid supply system and a high temperature fluid return system between the mold and the high temperature fluid tank, a low temperature fluid supply system and a low temperature fluid return system between the mold and the low temperature fluid tank, a high temperature fluid by-pass system and a low temperature fluid by-pass system, a heat recovery tank connected to the high temperature fluid tank and a pressure adjusting means.
    • 提供一种模具温度调节装置,其中通过考虑到模具的加热和冷却中的热传递延迟来调节高温介质和低温介质的转换时间,从而缩短成型步骤的循环时间 从高温低温介质的设定温度的温度偏差降低,能量损失降低,并且可以获得注射步骤的最佳模具温度。 模具温度调节装置包括高温流体箱和低温流体箱,高温流体供应系统和模具与高温流体箱之间的高温流体回流系统,低温流体供应系统和低温流体供应系统 模具与低温流体箱之间的高温流体回流系统,高温流体旁通系统和低温流体旁通系统,连接到高温流体箱的热回收罐和压力调节装置。
    • 8. 发明申请
    • Mold temperature adjusting apparatus/method and mold temperature control unit
    • 模具温度调节装置/方法和模具温度控制单元
    • US20050179157A1
    • 2005-08-18
    • US11045113
    • 2005-01-31
    • Osamu MuranakaNaoki TodaMasahiro BesshoSatoshi MiyagawaKoji Kubota
    • Osamu MuranakaNaoki TodaMasahiro BesshoSatoshi MiyagawaKoji Kubota
    • B29C45/73B29C33/04B29C35/00G05D23/02B29C45/72
    • B29C35/007B29C45/7306B29C2045/7393Y02P70/26
    • A mold temperature adjusting apparatus is provided in which change-over timing of high temperature medium and low temperature medium is adjusted by a heat transmission delay in heating and cooling of a mold being taken into consideration, so that a cycle time of molding steps is shortened, a temperature deflection from a set temperature of the high temperature and low temperature medium is reduced, an energy loss is reduced and an optimal mold temperature for an injection step can be obtained. The mold temperature adjusting apparatus comprises a high temperature fluid tank and a low temperature fluid tank, a high temperature fluid supply system and a high temperature fluid return system between the mold and the high temperature fluid tank, a low temperature fluid supply system and a low temperature fluid return system between the mold and the low temperature fluid tank, a high temperature fluid by-pass system and a low temperature fluid by-pass system, a heat recovery tank connected to the high temperature fluid tank and a pressure adjusting means.
    • 提供一种模具温度调节装置,其中通过考虑到模具的加热和冷却中的热传递延迟来调节高温介质和低温介质的转换时间,从而缩短成型步骤的循环时间 从高温低温介质的设定温度的温度偏差降低,能量损失降低,并且可以获得注射步骤的最佳模具温度。 模具温度调节装置包括高温流体箱和低温流体箱,高温流体供应系统和模具与高温流体箱之间的高温流体回流系统,低温流体供应系统和低温流体供应系统 模具与低温流体箱之间的高温流体回流系统,高温流体旁通系统和低温流体旁通系统,连接到高温流体箱的热回收罐和压力调节装置。
    • 9. 发明授权
    • Laser control device
    • 激光控制装置
    • US06683836B2
    • 2004-01-27
    • US09958342
    • 2001-12-05
    • Satoshi MiyagawaKazuo ManabeNorio Imai
    • Satoshi MiyagawaKazuo ManabeNorio Imai
    • G11B700
    • G11B7/1263G11B7/0062
    • When the modulation speed of the laser is increased, it is difficult to correctly detect a peak power and a bias power for controlling a laser power. The bias power current Ib is controlled by the operated value of the operation circuit 3 in accordance with the reproduction power current Ir control value of the servo amplifier 5 at the reproduction just before recording, and as for the erase power Pe, since its period is relatively long, the power is detected by the sample-hold circuit 4 and the erase power current Ie is controlled by the operation circuit 3, and the peak power PP is controlled by the operated value of the operation circuit 3 in accordance with the erase power current Ie, and therefore, a bottom hold circuit and a peak hold circuit are not required and the laser control apparatus which does not require the high-speed performance in a photodiode and a monitor circuit is realized to solve the above mentioned problem.
    • 当激光器的调制速度增加时,难以正确地检测用于控制激光功率的峰值功率和偏置功率。 偏置功率电流Ib由操作电路3的操作值根据伺服放大器5在再现刚刚再现之前的再现功率电流Ir控制值进行控制,而对于擦除功率Pe,由于其周期为 相对长的时间,由采样保持电路4检测到电力,并且由操作电路3控制擦除功率电流Ie,并且峰值功率PP由操作电路3的操作值根据擦除功率 电流Ie,因此不需要底部保持电路和峰值保持电路,并且实现了在光电二极管和监视电路中不需要高速性能的激光控制装置来解决上述问题。