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    • 2. 发明授权
    • Nozzle hole plate and its manufacturing method
    • 喷孔孔及其制造方法
    • US6131827A
    • 2000-10-17
    • US274995
    • 1999-03-24
    • Mikiya KuritaShoichi Takenouchi
    • Mikiya KuritaShoichi Takenouchi
    • B23P15/16F02M51/06F02M61/16F02M61/18F02M59/00A62C31/02B05B1/00F23D11/38
    • B23P15/16F02M51/0671F02M61/168F02M61/1853
    • In a method for manufacturing a nozzle hole plate suitable for use in a fuel injection valve, a nozzle hole is formed at a predetermined angle of inclination by press-working with a punch in a thin-plate base material of a nozzle hole plate. When the nozzle hole is formed by press-working, a bluntness (shear drop) and a break face are formed at the corners of the base material at the fluid entrance and the fluid exit of the nozzle hole respectively, and as a result of the formation of this shear drop and break face the flow changes and the injection quantity increases. The injection quantity of the nozzle hole is measured for each nozzle hole plate, and its deviation from a target value is detected. Then, on the basis of the measured injection quantity value, the base material around the fluid entrance of the nozzle hole is notched by press-working using a punch. The material of the base material dimpled by the notching is pushed toward the fluid entrance of the nozzle hole and the shear drop diminishes. Consequently, the quantity of fuel injected through the nozzle hole plate decreases. Thus it is possible to provide a nozzle hole plate and a manufacturing method thereof with which a required injection quantity can be obtained in a short working time.
    • 在适用于燃料喷射阀的喷嘴孔板的制造方法中,通过在喷嘴孔板的薄板基材中冲压加工,以预定的倾斜角度形成喷嘴孔。 当通过压力加工形成喷嘴孔时,分别在流体入口和喷嘴孔的流体出口处的基材的角部处形成钝性(剪切降低)和断裂面,并且作为 形成这种剪切下降和破裂面流动变化,注入量增加。 对每个喷嘴孔板测量喷嘴孔的喷射量,并检测其与目标值的偏差。 然后,基于测定的喷射量值,通过使用冲头的冲压加工,喷嘴孔的流体入口周围的基材被切断。 由凹口凹陷的基材的材料被推向喷嘴孔的流体入口,剪切降降低。 因此,通过喷嘴孔板喷射的燃料量减少。 因此,可以提供一种喷嘴孔板及其制造方法,能够在短时间内获得所需的喷射量。
    • 4. 发明授权
    • Plastic working method and plastic working system
    • 塑料加工方法和塑料加工系统
    • US08047033B2
    • 2011-11-01
    • US12078035
    • 2008-03-26
    • Fumio KondoShoichi TakenouchiTakayuki NakanishiOsamu Matsui
    • Fumio KondoShoichi TakenouchiTakayuki NakanishiOsamu Matsui
    • B21B37/48
    • B21D43/04B21C49/00
    • A plurality of press devices 2 are arranged in a plastic working system. The plastic working system includes: a loop correction sensor 13 for watching a slack of a coil material C intermittently delivered from a preceding first press device 2a; and a second slack watching means 19 for watching a slack of the coil material C generated at the time of sending the coil material C to a succeeding second press device 2b. According to the slack generated by intermittent feeding of the coil material C sent from the first press device 2a, intermittent feeding is converted to continuous feeding by the feeding means 15. At the same time, the continuous feeding speed is subjected to speed increasing/decreasing control. On the other hand, by the second slack watching means 19, a slack of the coil material C is watched at the time of feeding the coil material C to the second press device 2b and the preceding first press device 2a is subjected to speed increasing/decreasing control.
    • 多个按压装置2布置在塑料加工系统中。 塑料加工系统包括:环路校正传感器13,用于观察从前一个第一压制装置2a间歇地传送的线圈材料C的松弛; 以及第二松弛观察装置19,用于观察在将线圈材料C发送到后续的第二按压装置2b时产生的线圈材料C的松弛。 根据从第一按压装置2a发送的线圈材料C的间歇进给产生的松弛,通过进给装置15将间歇进给转换为连续进给。同时,连续进给速度经受加速/减小 控制。 另一方面,通过第二松弛观察装置19,在将线圈材料C馈送到第二压力装置2b时观察到线圈材料C的松弛,并且将前一个第一压制装置2a进行加速/ 减少控制。
    • 5. 发明申请
    • Plastic working method and plastic working system
    • 塑料加工方法和塑料加工系统
    • US20080302153A1
    • 2008-12-11
    • US12078035
    • 2008-03-26
    • Fumio KondoShoichi TakenouchiTakayuki NakanishiOsamu Matsui
    • Fumio KondoShoichi TakenouchiTakayuki NakanishiOsamu Matsui
    • B21B41/10B21D43/00B21C47/34B21B37/48
    • B21D43/04B21C49/00
    • A plurality of press devices 2 are arranged in a plastic working system. The plastic working system includes: a loop correction sensor 13 for watching a slack of a coil material C intermittently delivered from a preceding first press device 2a; and a second slack watching means 19 for watching a slack of the coil material C generated at the time of sending the coil material C to a succeeding second press device 2b. According to the slack generated by intermittent feeding of the coil material C sent from the first press device 2a, intermittent feeding is converted to continuous feeding by the feeding means 15. At the same time, the continuous feeding speed is subjected to speed increasing/decreasing control. On the other hand, by the second slack watching means 19, a slack of the coil material C is watched at the time of feeding the coil material C to the second press device 2b and the preceding first press device 2a is subjected to speed increasing/decreasing control.
    • 多个按压装置2布置在塑料加工系统中。 塑料加工系统包括:环路校正传感器13,用于观察从前一个第一压制装置2a间歇地传送的线圈材料C的松弛; 以及第二松弛观察装置19,用于观察在将线圈材料C发送到后续的第二按压装置2b时产生的线圈材料C的松弛。 根据从第一按压装置2a发送的线圈材料C的间歇进给产生的松弛,通过进给装置15将间歇进给转换为连续进给。同时,连续进给速度经受加速/减小 控制。 另一方面,通过第二松弛观察装置19,在将线圈材料C馈送到第二压力装置2b时观察到线圈材料C的松弛,并且前一个第一压制装置2a经受增速/ 减少控制。