JP3859078B2 - 射出成形機の制御方法 - Google Patents
射出成形機の制御方法 Download PDFInfo
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- JP3859078B2 JP3859078B2 JP2003327968A JP2003327968A JP3859078B2 JP 3859078 B2 JP3859078 B2 JP 3859078B2 JP 2003327968 A JP2003327968 A JP 2003327968A JP 2003327968 A JP2003327968 A JP 2003327968A JP 3859078 B2 JP3859078 B2 JP 3859078B2
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- Prior art keywords
- rotation angle
- injection molding
- molding machine
- control
- actuator
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- 238000001746 injection moulding Methods 0.000 title claims description 23
- 238000000034 method Methods 0.000 title claims description 19
- 230000005856 abnormality Effects 0.000 claims description 21
- 238000004891 communication Methods 0.000 description 8
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
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- Injection Moulding Of Plastics Or The Like (AREA)
Description
図1は本発明を実施する射出成形機の制御系を示すブロック図であり、図2は本発明の制御方法を示す流れ図である。
10 制御装置
11 サーボアンプ
12 サーボモータ
13 エンコーダ
14 指令信号
15 制御信号
16 回転角度信号
17 駆動電流
18 リクエスト指令
19 回転角度データ
Claims (4)
- 射出成形機のアクチュエータを駆動するサーボモータと、前記サーボモータに駆動電流を供給するサーボアンプと、前記サーボアンプにサーボモータの回転数及びトルクを指令する指令信号と制御系の状態を指令する制御信号とを伝送するとともに前記サーボモータのエンコーダからの回転角度信号を入力する制御装置を有する射出成形機の制御系において、
前記制御装置は、そのスキャン時間毎に連続して取込む前記エンコーダからの各回転角度信号の差の絶対値が所定の閾値を越えた異常時には、異常時直前の回転角度信号に基づいて演算された指令信号により前記サーボモータを制御することを特徴とする射出成形機の制御方法。 - 前記閾値は、アクチュエータがその最大仕様速度において制御装置の一スキャン時間中に移動するときのエンコーダの回転角度である請求項1に記載の射出成形機の制御方法。
- 前記異常時が所定回数連続して発生したときには前記アクチュエータの作動を停止させる請求項1または2に記載の射出成形機の制御方法。
- 前記所定回数は、異常時直前の回転角度信号に基づいた制御であっても前記アクチュエータの作動に実質的な影響を及ぼさない前記アクチュエータの許容距離を、前記アクチュエータの最大仕様速度における制御装置の一スキャン時間中の移動量で除した値である請求項3に記載の射出成形機の制御方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2003327968A JP3859078B2 (ja) | 2003-09-19 | 2003-09-19 | 射出成形機の制御方法 |
Applications Claiming Priority (1)
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JP2003327968A JP3859078B2 (ja) | 2003-09-19 | 2003-09-19 | 射出成形機の制御方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005088501A JP2005088501A (ja) | 2005-04-07 |
JP3859078B2 true JP3859078B2 (ja) | 2006-12-20 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2003327968A Expired - Lifetime JP3859078B2 (ja) | 2003-09-19 | 2003-09-19 | 射出成形機の制御方法 |
Country Status (1)
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JP (1) | JP3859078B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7021862B2 (ja) * | 2017-03-28 | 2022-02-17 | 住友重機械工業株式会社 | モータ駆動システム |
JP7514180B2 (ja) | 2020-12-16 | 2024-07-10 | 日立Astemo株式会社 | モータ制御装置 |
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2003
- 2003-09-19 JP JP2003327968A patent/JP3859078B2/ja not_active Expired - Lifetime
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JP2005088501A (ja) | 2005-04-07 |
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