JP4805975B2 - 射出成形機の制御方法 - Google Patents
射出成形機の制御方法 Download PDFInfo
- Publication number
- JP4805975B2 JP4805975B2 JP2008140640A JP2008140640A JP4805975B2 JP 4805975 B2 JP4805975 B2 JP 4805975B2 JP 2008140640 A JP2008140640 A JP 2008140640A JP 2008140640 A JP2008140640 A JP 2008140640A JP 4805975 B2 JP4805975 B2 JP 4805975B2
- Authority
- JP
- Japan
- Prior art keywords
- flow rate
- hydraulic pump
- molding machine
- discharge flow
- fixed discharge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims description 113
- 238000001746 injection moulding Methods 0.000 title claims description 22
- 238000000465 moulding Methods 0.000 claims description 33
- 238000002347 injection Methods 0.000 claims description 29
- 239000007924 injection Substances 0.000 claims description 29
- 230000005856 abnormality Effects 0.000 claims description 14
- 238000005429 filling process Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/82—Hydraulic or pneumatic circuits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76003—Measured parameter
- B29C2945/76006—Pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76177—Location of measurement
- B29C2945/76297—Fluids
- B29C2945/76307—Fluids hydraulic fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76545—Flow rate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76655—Location of control
- B29C2945/76775—Fluids
- B29C2945/76785—Fluids hydraulic fluids
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Description
Claims (3)
- 油圧ポンプを駆動する駆動モータとなる、サーボ回路に接続したサーボモータの回転数を可変制御して成形サイクルにおける各動作工程の制御を行う射出成形機の制御方法において、前記油圧ポンプに、少なくとも大流量の固定吐出流量とこの大流量よりも小さい小流量の固定吐出流量を設定可能な油圧ポンプを使用するとともに、予め、前記サーボモータの負荷状態に対する閾値として、負荷圧力,経過時間,の一方又は双方を用いた限度条件を設定し、成形動作時に、前記大流量の固定吐出流量に設定して少なくとも充填工程及び保圧工程を含む射出工程の制御を行うとともに、前記サーボモータの負荷状態を監視し、当該負荷状態が前記限度条件に達したなら前記小流量の固定吐出流量に切換えることにより当該射出工程の制御を行うことを特徴とする射出成形機の制御方法。
- 前記油圧ポンプには、斜板角の変更により前記固定吐出流量を設定可能な可変吐出型油圧ポンプを用いることを特徴とする請求項1記載の射出成形機の制御方法。
- 前記限度条件に達したなら表示処理を含む所定の異常処理を行うことを特徴とする請求項1記載の射出成形機の制御方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008140640A JP4805975B2 (ja) | 2008-05-29 | 2008-05-29 | 射出成形機の制御方法 |
US12/467,322 US7846358B2 (en) | 2008-05-29 | 2009-05-18 | Method of controlling injection molding machine |
CN2009101417637A CN101590687B (zh) | 2008-05-29 | 2009-05-25 | 控制注射模塑机的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008140640A JP4805975B2 (ja) | 2008-05-29 | 2008-05-29 | 射出成形機の制御方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009285972A JP2009285972A (ja) | 2009-12-10 |
JP4805975B2 true JP4805975B2 (ja) | 2011-11-02 |
Family
ID=41380156
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008140640A Active JP4805975B2 (ja) | 2008-05-29 | 2008-05-29 | 射出成形機の制御方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7846358B2 (ja) |
JP (1) | JP4805975B2 (ja) |
CN (1) | CN101590687B (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5329318B2 (ja) * | 2009-07-02 | 2013-10-30 | 日精樹脂工業株式会社 | 射出成形機の制御方法 |
JP5199990B2 (ja) * | 2009-12-17 | 2013-05-15 | 日精樹脂工業株式会社 | 成形機の作動油昇温方法 |
JP5495388B2 (ja) * | 2010-11-03 | 2014-05-21 | 株式会社名機製作所 | 射出成形機および射出成形機の制御方法 |
JP5524914B2 (ja) * | 2011-07-21 | 2014-06-18 | 日精樹脂工業株式会社 | 射出成形機の波形モニタ装置 |
WO2013110167A1 (en) * | 2012-01-26 | 2013-08-01 | Husky Injection Molding Systems Ltd. | Screw-moving assembly including screw-moving actuator and bias-adjustment mechanism |
GB2529909B (en) | 2014-09-30 | 2016-11-23 | Artemis Intelligent Power Ltd | Industrial system with synthetically commutated variable displacement fluid working machine |
JP6416823B2 (ja) * | 2016-05-16 | 2018-10-31 | ファナック株式会社 | 加工セル及び加工セル管理システム |
JP6950596B2 (ja) * | 2018-03-13 | 2021-10-13 | 宇部興産機械株式会社 | 射出成形機の油圧供給システム |
JP7043334B2 (ja) * | 2018-04-27 | 2022-03-29 | 川崎重工業株式会社 | 液圧供給装置 |
CN116861589B (zh) * | 2023-07-07 | 2024-03-12 | 上海贺力液压机电有限公司 | 一种冶金液压站伺服电机驱动系统可靠性设计方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3911677A (en) * | 1971-12-28 | 1975-10-14 | British Industrial Plastics | Injection moulding machines |
JP3098859B2 (ja) * | 1992-06-10 | 2000-10-16 | 新キャタピラー三菱株式会社 | 可変容量型油圧ポンプと油圧ポンプ駆動エンジンの制御方法 |
JP3575560B2 (ja) * | 1994-09-14 | 2004-10-13 | 株式会社小松製作所 | 可変容量ポンプの制御装置およびその制御方法 |
DE19524395C1 (de) * | 1995-07-04 | 1996-10-10 | Battenfeld Gmbh | Hydraulisches Betriebssystem für Kunststoffverarbeitungsmaschinen, insbesondere für Spritzgießmaschinen |
US6748739B1 (en) * | 1999-07-14 | 2004-06-15 | Yuken Kogyo Kabushiki Kaisha | Hydraulic power system |
JP3799366B2 (ja) * | 2001-08-30 | 2006-07-19 | 三菱重工プラスチックテクノロジー株式会社 | 射出成形機及びその制御方法 |
CN2605982Y (zh) * | 2003-04-03 | 2004-03-10 | 深圳市珊星电脑有限公司 | 用于注塑机负载控制电路的报警保护装置 |
JP2005146861A (ja) * | 2003-11-11 | 2005-06-09 | Nabtesco Corp | 液圧ポンプ |
US7281918B2 (en) * | 2004-12-15 | 2007-10-16 | Hsiao Ting Lu | Injection molding system |
JP4324148B2 (ja) * | 2005-09-08 | 2009-09-02 | 日精樹脂工業株式会社 | 射出成形機及びその制御方法 |
-
2008
- 2008-05-29 JP JP2008140640A patent/JP4805975B2/ja active Active
-
2009
- 2009-05-18 US US12/467,322 patent/US7846358B2/en active Active
- 2009-05-25 CN CN2009101417637A patent/CN101590687B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
JP2009285972A (ja) | 2009-12-10 |
CN101590687A (zh) | 2009-12-02 |
CN101590687B (zh) | 2012-07-11 |
US20090297650A1 (en) | 2009-12-03 |
US7846358B2 (en) | 2010-12-07 |
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