JPH09512761A - 電動モータの効率の変動の補償 - Google Patents
電動モータの効率の変動の補償Info
- Publication number
- JPH09512761A JPH09512761A JP7528919A JP52891995A JPH09512761A JP H09512761 A JPH09512761 A JP H09512761A JP 7528919 A JP7528919 A JP 7528919A JP 52891995 A JP52891995 A JP 52891995A JP H09512761 A JPH09512761 A JP H09512761A
- Authority
- JP
- Japan
- Prior art keywords
- motor
- during
- current
- supplied
- operating
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000004033 plastic Substances 0.000 claims abstract description 18
- 229920003023 plastic Polymers 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 9
- 238000001746 injection moulding Methods 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- 238000002347 injection Methods 0.000 description 19
- 239000007924 injection Substances 0.000 description 19
- 238000001816 cooling Methods 0.000 description 9
- 238000001125 extrusion Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 230000007704 transition Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Classifications
-
- 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
- B29C45/7666—Measuring, controlling or regulating of power or energy, e.g. integral function of force
-
- 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
- B29C2945/76033—Electric current or voltage
-
- 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
- B29C2945/76083—Position
-
- 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
- B29C2945/7618—Injection unit
- B29C2945/76214—Injection unit drive means
-
- 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
- B29C2945/76224—Closure or clamping unit
- B29C2945/7623—Closure or clamping unit clamping or closing drive means
-
- 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
- B29C2945/76254—Mould
- B29C2945/76257—Mould cavity
- B29C2945/7626—Mould cavity cavity walls
- B29C2945/76264—Mould cavity cavity walls movable
-
- 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
- B29C2945/76525—Electric current or voltage
-
- 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
- B29C2945/76595—Velocity
- B29C2945/76598—Velocity linear movement
-
- 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
- B29C2945/76658—Injection unit
- B29C2945/76692—Injection unit drive means
-
- 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
- B29C2945/76702—Closure or clamping device
- B29C2945/76705—Closure or clamping device mould platen
-
- 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
- B29C2945/76702—Closure or clamping device
- B29C2945/76709—Closure or clamping device clamping or closing drive means
-
- 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
- B29C2945/76929—Controlling method
- B29C2945/76939—Using stored or historical data sets
- B29C2945/76943—Using stored or historical data sets compare with thresholds
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/37—Measurements
- G05B2219/37285—Load, current taken by motor
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/41—Servomotor, servo controller till figures
- G05B2219/41127—Compensation for temperature variations of servo
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/45—Nc applications
- G05B2219/45244—Injection molding
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/50—Machine tool, machine tool null till machine tool work handling
- G05B2219/50197—Signature analysis, store working conditions, compare with actual
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Inorganic Insulating Materials (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Control Of Multiple Motors (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. プラスチック処理機械が運転している間の電動モータ(124、156 )の効率の変動を補償するための方法であって、 (a) 前記モータ(124、156)に供給される電流が運転パラメータに 応じて制御される期間である閉ループ制御期間と、所定の電流が前記モータに供 給される期間である開ループ制御期間とを含む運転サイクルにわたって、前記電 動モータ(124、156)を用いて、前記プラスチック処理機械の機構(10 0、102)を駆動する工程と、 (b) 前記閉ループ期間(200,226)の間に前記モータ(124、1 56)に供給される基準電流を、確立された運転条件の下で決定する工程と、 (c) 各々の運転サイクルの間に前記モータ(124、156)に供給され る電流を監視して、前記決定した閉ループ基準電流からの変動を感知して測定す る工程と、 (d) 前記開ループ期間(210、244)の間に、前記モータ(124、 156)に供給される所定の電流を、前記閉ループ基準値からの変動に基づいて 調節し、これにより、各々のサイクルにおける前記開ループ期間(210、24 4)の間に、一定のモータ性能を確保する工程とを備えることを特徴とする方法 。 2. 射出成形機が運転している間の電動モータ(124)の効率の変動を補 償するための方法であって、 (a) 前記電動モータ(124)に供給される電流が予め選択されたクラン プ速度に基づいて閉ループ制御される期間であるクランプ閉止インターバル(2 26)と、所定の電流が前記モータ(124)に供給される期間であるトン数発 生インターバル(244)とを含む運転サイクルにわたって、前記電動モータ( 124)を用いて、前記射出成形機のクランプ機構(100)を駆動する工程と 、 (b)前記クランプ閉止インターバル(226)の間に前記モータ(124) に供給される基準電流を決定して、確立された運転条件の下で予め選択された速 度を達成する工程と、 (c) 前記機械の各々の運転サイクルの間に前記モータ(124)に供給さ れる電流を監視し、前記決定された基準電流からの変動を検知して測定する工程 と、 (d) 前記トン数発生インターバル(244)の間に前記モータ(124) に供給される所定の電流を、前記クランプ閉止インターバル(226)の間の前 記基準電流からの変動に基づいて調節し、これにより、各々のサイクルにおける 前記トン数発生インターバル(244)の間に一定のモータ性能を確保する工程 とを備えることを特徴とする方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/240,128 | 1994-05-10 | ||
US08/240,128 US5469038A (en) | 1994-05-10 | 1994-05-10 | Method for compensating for efficient variations in an electric motor |
PCT/US1995/001258 WO1995030521A1 (en) | 1994-05-10 | 1995-01-31 | Compensating for efficiency variations in electric motors |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH09512761A true JPH09512761A (ja) | 1997-12-22 |
JP3829149B2 JP3829149B2 (ja) | 2006-10-04 |
Family
ID=22905224
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52891995A Expired - Fee Related JP3829149B2 (ja) | 1994-05-10 | 1995-01-31 | 電動モータの効率の変動の補償 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5469038A (ja) |
EP (1) | EP0804324B1 (ja) |
JP (1) | JP3829149B2 (ja) |
AT (1) | ATE203448T1 (ja) |
DE (1) | DE69521913T2 (ja) |
WO (1) | WO1995030521A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3121561B2 (ja) * | 1997-04-21 | 2001-01-09 | ファナック株式会社 | 射出成形機 |
JPH1128751A (ja) * | 1997-07-09 | 1999-02-02 | Niigata Eng Co Ltd | 射出成形機の駆動制御装置 |
US6011376A (en) * | 1998-03-13 | 2000-01-04 | Cincinnati Milacron Inc. | Method and apparatus for injection molding machine control |
US5929583A (en) * | 1998-03-13 | 1999-07-27 | Cincinnati Milacron Inc. | Method and apparatus for detecting aberrant motor operation in a plastics processing machine |
KR100473926B1 (ko) * | 1998-06-18 | 2005-03-07 | 스미도모쥬기가이고교 가부시키가이샤 | 전동식 형체장치 및 형체방법 |
JP3080617B1 (ja) * | 1999-07-19 | 2000-08-28 | ファナック株式会社 | 射出成形機の金型保護装置 |
JP3441680B2 (ja) * | 1999-07-28 | 2003-09-02 | ファナック株式会社 | 射出成形機のエジェクタ制御装置 |
JP3607650B2 (ja) * | 2001-08-27 | 2005-01-05 | 日精樹脂工業株式会社 | 電動射出成形機の制御方法 |
JP3694684B2 (ja) * | 2002-10-02 | 2005-09-14 | ファナック株式会社 | 射出成形機 |
TWI232162B (en) * | 2003-04-04 | 2005-05-11 | Sumitomo Heavy Industries | Injection-molding machine and method of controlling injection-molding machine |
SM200700006B (it) * | 2007-03-01 | 2009-11-06 | Ipotenusa S R L | Sistema di apertura accelerata di due elementi porta stampo, in particolare per lo stampaggio di eva(etilene vinil acetato) espansa |
US20180093420A1 (en) * | 2016-09-30 | 2018-04-05 | Robert Robert Olson | Calibrated 3-D Printing |
JP7046675B2 (ja) * | 2018-03-30 | 2022-04-04 | 住友重機械工業株式会社 | 射出成形機 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4060362A (en) * | 1975-05-12 | 1977-11-29 | International Business Machines Corporation | Injection molding same cycle control |
CA1196458A (en) * | 1981-10-08 | 1985-11-12 | Yoshihiko Yamazaki | Injection molding machine |
US4509126A (en) * | 1982-06-09 | 1985-04-02 | Amca International Corporation | Adaptive control for machine tools |
JPS61235119A (ja) * | 1985-04-12 | 1986-10-20 | Nissei Plastics Ind Co | 射出成形機の射出制御方法及び装置 |
JP2727315B2 (ja) * | 1985-10-25 | 1998-03-11 | ファナック 株式会社 | 射出成形機の保圧制御方法 |
JPS6311320A (ja) * | 1986-07-03 | 1988-01-18 | Fanuc Ltd | 過熱防止機能を有する射出モ−タ制御方法 |
JPS63189220A (ja) * | 1987-02-03 | 1988-08-04 | Fanuc Ltd | 射出成形機の射出モ−タ制御方法 |
EP0364599B1 (en) * | 1988-03-08 | 1994-05-18 | Fanuc Ltd. | Method and apparatus for pressure control of an electrically powered injection molding machine |
US4988273A (en) * | 1989-06-23 | 1991-01-29 | Cincinnati Milacron Inc. | Injection molding machines having a brushless DC drive system |
US5258918A (en) * | 1990-05-18 | 1993-11-02 | Allen-Bradley Company, Inc. | Selectable control function injection molding controller |
US5182716A (en) * | 1990-06-15 | 1993-01-26 | Allen-Bradley Company, Inc. | Injection molding controller with controlled variable learning |
US5062785A (en) * | 1990-06-15 | 1991-11-05 | Allen-Bradley Company, Inc. | Injection molding controller with process variable learning |
-
1994
- 1994-05-10 US US08/240,128 patent/US5469038A/en not_active Expired - Lifetime
-
1995
- 1995-01-31 AT AT95908754T patent/ATE203448T1/de not_active IP Right Cessation
- 1995-01-31 WO PCT/US1995/001258 patent/WO1995030521A1/en active IP Right Grant
- 1995-01-31 EP EP95908754A patent/EP0804324B1/en not_active Expired - Lifetime
- 1995-01-31 DE DE69521913T patent/DE69521913T2/de not_active Expired - Fee Related
- 1995-01-31 JP JP52891995A patent/JP3829149B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0804324A4 (en) | 1998-04-22 |
JP3829149B2 (ja) | 2006-10-04 |
ATE203448T1 (de) | 2001-08-15 |
EP0804324B1 (en) | 2001-07-25 |
EP0804324A1 (en) | 1997-11-05 |
WO1995030521A1 (en) | 1995-11-16 |
US5469038A (en) | 1995-11-21 |
DE69521913T2 (de) | 2001-11-15 |
DE69521913D1 (de) | 2001-08-30 |
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Legal Events
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A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20050125 |
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