EP1346821A2 - Wegmessmaschine für eine Pulverpresse - Google Patents
Wegmessmaschine für eine Pulverpresse Download PDFInfo
- Publication number
- EP1346821A2 EP1346821A2 EP03005213A EP03005213A EP1346821A2 EP 1346821 A2 EP1346821 A2 EP 1346821A2 EP 03005213 A EP03005213 A EP 03005213A EP 03005213 A EP03005213 A EP 03005213A EP 1346821 A2 EP1346821 A2 EP 1346821A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- measuring
- arms
- ruler
- powder press
- measuring system
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/005—Control arrangements
Definitions
- the invention relates to a position measuring system for a powder press according to the preamble of claim 1.
- the positioning accuracy is from Upper and lower punches of a powder press, for example a metal powder press, of great importance.
- An accuracy of ⁇ 0.01 mm must be respected.
- a distance measurement can be obtained in that the path of the piston a hydraulic cylinder is detected, which actuates the press ram. by virtue of The forces that occur during pressing result in a deflection of the machine frame and possibly also to compress the Stamp and the piston rod. The measured values then correspond no longer the actual one. If the matrix has a conical shape, it happens also to a deflection of the die table. Therefore, a distance measurement on the hydraulic cylinders only serve for rough measurement.
- the invention has for its object a displacement measuring system for a powder press to create in the measurement error in an eccentrically arranged Position measuring system can be compensated.
- each measuring arm works with a measuring ruler together.
- the measured variables are entered into the computer, with one incorrect measured variable is compensated by the second.
- the invention assumes that e.g. in the event of a change in inventory of the measuring arm due to friction on the measuring ruler the other measuring arm accordingly undergoes a shift in the opposite direction. This is particularly the case if the two measuring arms are from one common levers are formed, the measuring rulers on diametrically opposite sides of the press ram are arranged.
- a displacement of a measuring arm can also be done in that the Measuring arms are guided by a linear vertical guide.
- the guides should help avoid a displacement of the measuring arms, this can however not always.
- the displacement of the measuring arm would one side of the ram to an opposite displacement of the measuring arm on the opposite side.
- FIG. 1 shows a powder press 10 which has a frame 12.
- An upper plate 14 of the frame supports a hydraulic cylinder 16, whose piston 18 actuates an upper punch 20.
- a lower plate 22 of the Frame 12 supports a lower hydraulic cylinder 24, which is a lower punch 26 actuated, with the interposition of a box-shaped Component 28, which will be discussed further below.
- a die plate 30 is fixed in the frame 12 and takes one in a hole Matrix 32 with which the upper and lower punches 20, 26 interact, as shown to produce a compact 34.
- a central axial bore of the lower punch 26 extends a center pin 36 which is actuated by a hydraulic cylinder 38.
- the Hydraulic cylinder 38 is supported on the bottom of the box-shaped component 28 from. It serves to produce a central hole in the compact 34.
- measuring arms 48, 50 on the lower punch 26 and measuring rulers 52, 54, which are connected to the underside of the die plate 30, can be also the exact path of the lower punch 26 relative to the die plate determine.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Presses And Accessory Devices Thereof (AREA)
- Control Of Presses (AREA)
- Sampling And Sample Adjustment (AREA)
- Press Drives And Press Lines (AREA)
Abstract
Description
- Fig. 1
- zeigt schematisch die Seitenansicht einer Pulverpresse mit Meßsystemen nach der Erfindung.
- Fig.2
- zeigt eine Einzelheit der Pulverpresse nach Fig. 1 mit einem Wegmeßsystem nach der Erfindung.
Claims (3)
- Wegmeßsystem für eine Pulverpresse, die mindestens einen Ober- und Unterstempel aufweist, die mit einer Matrize einer Matrizenplatte zusammenwirken und jeweils von einem Hydraulikzylinder betätigt werden, einem seitlich auskragenden Meßarm an dem Ober- und Unterstempel, der sich mit einem zugeordneten vertikalen Meßlineal zusammenwirkt und die Meßergebnisse in einen Maschinenrechner gegeben werden, dadurch gekennzeichnet, daß mindestens zwei Meßarme (40, 42; 48, 50, 56) auf gegenüberliegenden Seiten an mindestens dem Ober- und Unterstempel (20, 26) mit einem Meßlineal (44, 46; 52, 54) zusammenwirken und der Rechner eine fehlerhafte Meßgröße an einem Meßlineal durch die zweite Meßgröße am anderen Meßlineal kompensiert.
- Wegmeßsystem nach Anspruch 1, dadurch gekennzeichnet, daß mindestens drei Meßsysteme in gleichem Umfangsabstand am Ober- und Unterstempel angeordnet sind.
- Wegmeßsystem nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet ,daß den Armen (56) eine vertikale lineare Führung (62, 64) zugeordnet ist und die Führungen (62, 64), Meßlineale (58, 60) und die Arme eines Meßsystems in einer Ebene angeordnet sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10212315 | 2002-03-20 | ||
DE10212315A DE10212315B4 (de) | 2002-03-20 | 2002-03-20 | Wegmeßsystem für eine Pulverpresse |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1346821A2 true EP1346821A2 (de) | 2003-09-24 |
EP1346821A3 EP1346821A3 (de) | 2004-05-06 |
EP1346821B1 EP1346821B1 (de) | 2010-01-13 |
Family
ID=27771442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03005213A Expired - Lifetime EP1346821B1 (de) | 2002-03-20 | 2003-03-08 | Wegmessmaschine für eine Pulverpresse |
Country Status (4)
Country | Link |
---|---|
US (1) | US20030180408A1 (de) |
EP (1) | EP1346821B1 (de) |
AT (1) | ATE454978T1 (de) |
DE (2) | DE10212315B4 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013113665A1 (de) * | 2013-12-06 | 2015-06-11 | Fette Compacting Gmbh | Presse |
DE102016120195A1 (de) | 2016-10-24 | 2018-04-26 | Dorst Technologies Gmbh & Co. Kg | Presseneinrichtung |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4270890A (en) * | 1979-06-19 | 1981-06-02 | Dorst-Keramikmaschinen-Bau | Apparatus for controlling the height of pressed workpieces of ceramic powder or other material in a press |
JPH11179599A (ja) * | 1997-12-15 | 1999-07-06 | Aida Eng Ltd | サーボプレス機械のスライド位置制御装置 |
DE19846210A1 (de) * | 1998-10-07 | 2000-04-13 | Dorst Masch & Anlagen | Presse zum Herstellen von Formkörpern |
DE19919693A1 (de) * | 1999-04-30 | 2000-11-23 | Fette Wilhelm Gmbh | Verfahren zur Positionsbestimmung eines Preßstempels einer Pulverpresse |
JP2000343283A (ja) * | 1999-05-31 | 2000-12-12 | Yamada Dobby Co Ltd | ねじプレス機のスライド制御装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4184827A (en) * | 1975-12-16 | 1980-01-22 | General Electric Company | Apparatus for monitoring and controlling the operation of a dual platen press |
DE3919821C2 (de) * | 1989-06-15 | 1994-04-07 | Mannesmann Ag | Verfahren und Vorrichtung zum Herstellen von maßhaltigen Preßlingen |
DE3930475A1 (de) * | 1989-09-12 | 1991-03-14 | Dorst Masch & Anlagen | Presse zur herstellung masshaltiger presslinge aus pulverfoermigem material |
JPH03178412A (ja) * | 1989-12-07 | 1991-08-02 | Mazda Motor Corp | インモールドコート方法 |
DE4428842C1 (de) * | 1994-08-02 | 1996-01-18 | Mannesmann Ag | Vorrichtung zur Herstellung von Preßkörpern |
-
2002
- 2002-03-20 DE DE10212315A patent/DE10212315B4/de not_active Expired - Fee Related
-
2003
- 2003-03-08 AT AT03005213T patent/ATE454978T1/de active
- 2003-03-08 EP EP03005213A patent/EP1346821B1/de not_active Expired - Lifetime
- 2003-03-08 DE DE50312335T patent/DE50312335D1/de not_active Expired - Lifetime
- 2003-03-19 US US10/391,969 patent/US20030180408A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4270890A (en) * | 1979-06-19 | 1981-06-02 | Dorst-Keramikmaschinen-Bau | Apparatus for controlling the height of pressed workpieces of ceramic powder or other material in a press |
JPH11179599A (ja) * | 1997-12-15 | 1999-07-06 | Aida Eng Ltd | サーボプレス機械のスライド位置制御装置 |
DE19846210A1 (de) * | 1998-10-07 | 2000-04-13 | Dorst Masch & Anlagen | Presse zum Herstellen von Formkörpern |
DE19919693A1 (de) * | 1999-04-30 | 2000-11-23 | Fette Wilhelm Gmbh | Verfahren zur Positionsbestimmung eines Preßstempels einer Pulverpresse |
JP2000343283A (ja) * | 1999-05-31 | 2000-12-12 | Yamada Dobby Co Ltd | ねじプレス機のスライド制御装置 |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 12, 29. Oktober 1999 (1999-10-29) & JP 11 179599 A (AIDA ENG LTD), 6. Juli 1999 (1999-07-06) * |
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 15, 6. April 2001 (2001-04-06) & JP 2000 343283 A (YAMADA DOBBY CO LTD), 12. Dezember 2000 (2000-12-12) * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013113665A1 (de) * | 2013-12-06 | 2015-06-11 | Fette Compacting Gmbh | Presse |
DE102013113665B4 (de) * | 2013-12-06 | 2015-09-03 | Fette Compacting Gmbh | Presse |
US9314946B2 (en) | 2013-12-06 | 2016-04-19 | Fette Compacting Gmbh | Press |
DE102016120195A1 (de) | 2016-10-24 | 2018-04-26 | Dorst Technologies Gmbh & Co. Kg | Presseneinrichtung |
WO2018077588A1 (de) | 2016-10-24 | 2018-05-03 | Dorst Technologies Gmbh & Co. Kg | Presseneinrichtung |
US11529682B2 (en) | 2016-10-24 | 2022-12-20 | Dorst Technologies Gmbh & Co. Kg | Press device |
Also Published As
Publication number | Publication date |
---|---|
DE10212315A1 (de) | 2003-10-16 |
DE50312335D1 (de) | 2010-03-04 |
DE10212315B4 (de) | 2004-04-29 |
EP1346821A3 (de) | 2004-05-06 |
ATE454978T1 (de) | 2010-01-15 |
US20030180408A1 (en) | 2003-09-25 |
EP1346821B1 (de) | 2010-01-13 |
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