WO2013007260A1 - Presse - Google Patents

Presse Download PDF

Info

Publication number
WO2013007260A1
WO2013007260A1 PCT/DK2012/050248 DK2012050248W WO2013007260A1 WO 2013007260 A1 WO2013007260 A1 WO 2013007260A1 DK 2012050248 W DK2012050248 W DK 2012050248W WO 2013007260 A1 WO2013007260 A1 WO 2013007260A1
Authority
WO
WIPO (PCT)
Prior art keywords
pressing
press
press table
actuator
cylinder
Prior art date
Application number
PCT/DK2012/050248
Other languages
English (en)
Inventor
Martin Hansen
Egon Hansen
Original Assignee
Kiermar Technology Holding Aps
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kiermar Technology Holding Aps filed Critical Kiermar Technology Holding Aps
Publication of WO2013007260A1 publication Critical patent/WO2013007260A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/32—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure
    • B30B1/323—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure using low pressure long stroke opening and closing means, and high pressure short stroke cylinder means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/32—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure
    • B30B1/34—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure involving a plurality of plungers acting on the platen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/007—Means for maintaining the press table, the press platen or the press ram against tilting or deflection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/04—Frames; Guides
    • B30B15/048—Laminated frame structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
    • F15B11/036—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of servomotors having a plurality of working chambers

Definitions

  • the present invention concerns a press table adapted for mounting in a press and for mounting a pressing tool, including a pressing unit comprising a first actuator with a displaceable first pressing cylinder for actuating the pressing tool with a first pressing force.
  • the invention furthermore concerns a press including a frame with a press opening and a press table disposed in the press opening.
  • Presses in which the area of the pressing cylinders has been enlarged are very voluminous which is a problem in connection with constructing the frame of the press as the press opening is to be very large in order to accommodate the pressing cylinders.
  • a large press opening is not desirable as this demands great strength of the frame. Acquisition of these presses is therefore also associated with large costs.
  • US 4,307,050 describes a press table with a number of pressing units that include an actuator with a displaceable pressing cylinder for actuating a tool with a pressing force.
  • the disadvantage of this press table is that the pressing force with which the press table can apply to an item is limited by the space conditions in the press, which is is limiting to the area of the press table and the maximum fluid pressure that the hydraulic system can withstand, which is a fixed value.
  • a press table of the type indicated in the introduction which is peculiar in that the pressing unit includes a second actuator with a through-going displaceable second pressing cylinder for actuating the pressing tool with a second pressing force, wherein the first and second actuators are arranged in continuation of each other with the first and second pressing cylinders aligned such that the pressing cylinders can actuate the pressing tool with a resulting pressing force consisting of the sum of the first pressing force and the second pressing force.
  • the press table according to the invention is peculiar in that the press table comprises a plurality of pressing units.
  • the press table comprises a plurality of pressing units.
  • the pressing units can have uniform or varying surface area and/or shape.
  • the pressing units can be evenly distributed across the area of the press table or with a distribution adapted to the items wanted to be produced.
  • the press table according to the invention is peculiar in that the press table includes coupling means adapted for providing a coupling between the at least one pressing unit and a control unit, and that the coupling means are adapted for common and/or individual control of the first and the second actuator, respectively, in the at least one pressing unit, respectively.
  • the first and second actuators in each pressing unit can be controlled such that they are activated simultaneously or individually. This provides great flexibility in the way that the press table is operating.
  • the coupling means include the force-transmitting elements between the control unit and the pressing units.
  • the control unit can include external components, e.g. compressors, valves, pumps, or power supplies.
  • the press table according to the invention is peculiar in that the coupling means are adapted for common and/or individual control of the pressing units.
  • the press table may at one time be used with large pressing tools where all pressing units are activated, and at another time be used with lesser tools where only a part of the pressing units are activated. This can be done without rearranging the press.
  • the press becomes very flexible.
  • the press table according to the invention is peculiar in that the press table includes a plurality of press table sections which each include at least one pressing unit, and where the press table sections are formed with interacting connecting means.
  • the press table can be constructed of identical press table sections to the desired size.
  • the production costs for a press table are hereby substantially reduced.
  • the press table can furthermore be extended by several press table sections, or press table sections can be removed. In case of breakdown, defective press table sections can be replaced by functioning press table sections without having to rebuild the entire press table.
  • the press table can be constructed of press table sections with uniform external geometry, but with different internal design.
  • the press table according to the invention built up of modular press table sections.
  • the press table sections can be constructed from a number of pressing units that are held together by interacting connecting means.
  • the frame of the press which is divided into frame sections, may advantageously be dimensioned so that each frame section or a multiple of frame sections is/are dimensioned to absorb the maximum resulting pressing force from a press table section.
  • Each frame section may consist of one plate or several plates with the same or with different thickness.
  • the press can hereby be composed of a press table with a desired number of press table sections and corresponding frame sections without additional dimensioning to be performed.
  • the press table according to the invention is peculiar in that the pressing unit includes at least one further actuator with a further through-going displaceable pressing cylinder for actuating the pressing tool with at least one further pressing force, wherein the at least one further actuator is arranged in continuation of the first and second actuators with the first, second and further pressing cylinders aligned such that the at least one further pressing force can be added-to the resulting pressing force.
  • the press according to the invention is peculiar in that the thickness of each frame section is a module of the thickness of the press table sections.
  • the press according to the invention is peculiar in that the press includes a modular control unit adapted for controlling a varying number of press table sections.
  • the size of the press can be changed before starting use if a need for larger size arises.
  • a varying pressure can be applied across the press table.
  • the press table according to the invention is peculiar in that the at least one pressing unit includes a retracting piston.
  • the retracting piston is provided in continuation of the first and second actuators such that the first actuator is disposed between the retracting piston and the second actuator.
  • the retracting piston is connected with the second actuator.
  • the retracting piston is activated when the pressure unit is deactivated after a pressing action.
  • it will assist in displacing the fluid in the pressure chambers of the actuators.
  • first and second actuators can be electrically activated.
  • Fig. 1 shows a perspective view of a press
  • Fig. 2 shows a perspective view of a press table with an enlarged partial detail
  • Fig. 3a shows a sectional view through a first embodiment of a pressing unit in a starting position
  • Fig. 3b shows a sectional view of the pressing unit in Fig. 3a in an extreme position
  • Fig. 4 shows a perspective view of a press table section
  • Fig. 5 shows a sectional view of the press table section of Fig. 4.
  • Fig. 6 shows a sectional view of a third embodiment of a pressing unit.
  • Fig. 1 shows a perspective view of a press 2.
  • the press 2 includes a frame 4 with a pres opening 6 in which is arranged a press table 8 and a hold-down 10.
  • the frame 4 is formed by a plurality of frame sections 12. In the shown embodiment, the frame sections 12 are identical.
  • the frame sections 12 are held together by frame connection means 14.
  • the frame connection means 14 consist of rods 16 which extend through apertures in the frame sections 12, and of nuts 18 at each end of the frame 4.
  • the frame 4 is designed such that frame sections 12 can be inserted or removed.
  • the thickness 20 of the frame 4 in relation to the size of the items desired to be produced. This can happen during the assembling of the press 2 before setup or at a later time in the service life of the press.
  • the press 2 includes a control unit 22.
  • the control unit 22 is modular such that the same control unit 22 can be used for controlling presses 2 of varying size and with press tables 8 of varying size.
  • a pressing tool (not shown) is placed in the press opening 6.
  • the pressing tool (not shown) consists of two tool halves: an upper part (not shown) which is fastened to the hold-down 10, and a lower part (not shown) which is fastened to the press table 8.
  • the press table 8 includes pressing units 24 which are adapted for displacing one tool part towards the other tool part.
  • the hold-down 10 and thereby the upper part of the tool is stationary.
  • the press table 8 is set up with each pressing unit 24 positioned so that the lower part of the tool is in the lowest position, whereby a gap is formed between the two tool parts such that a blank or a not yet finished item can be placed between the two tool parts.
  • the press table 8 is activated such that the pressing pressing units 24 displace the lower part of the pressing tool until it meets the upper part of the pressing tool in a pressing position.
  • the press table 8 is still activated with consequent build-up of pressure which acts on the blank with a force exceeding the yield point of the blank material or the item with sufficient force for shaping the item. A blank or an item can thereby be formed into the wanted shape.
  • the press table 8 displaces the lower part of the pressing tool back to the starting position such that the now shaped item can be taken out from the press 2.
  • the press 2 on Fig. 1 has a press table 8 which is horizontal in orientation with displacement of the pressing tool in vertical direction.
  • the press table may have a horizontal, or any other, orientation.
  • Fig. 2 shows a perspective view of a press table 8 adapted for mounting in a press 2 as illustrated in Fig. 1.
  • the press table 8 and the frame 4 include interacting connecting means and/or positioning means such that the press table 8 is correctly positioned in the frame 4 while performing a pressing cycle.
  • the press table 8 and the press 2 include interacting connections between the control unit 22 and the pressing units 24. These connections include, but are not limited to hydraulic, pneumatic or electric connections.
  • the press table 8 is adapted for mounting a pressing tool as described in connection with Fig. 1.
  • the press table 8 and the lower part of the pressing tool include interacting connecting means and/or positioning means such that the lower part of the pressing tool is correctly positioned in relation to the press table 8 and the upper part of the pressing tool while performing a pressing cycle.
  • the press table 8 includes a plurality of pressing units 24.
  • the pressing units 24 are adapted for displacing the pressing tool from a starting position towards a pressing position and for pressure build-up between the two tool parts in the pressing position.
  • the press table 8 is divided into press table sections 30.
  • the press table includes thirteen press table sections 30.
  • the press table 8 can be divided into an arbitrary number of press table sections 30.
  • Each press table section 30 includes at least one pressing unit 24.
  • each press table section 30 includes five pressing units 24.
  • a press table section 30 may include an arbitrary number of pressing units 24.
  • the press table sections 30 are formed with interacting connecting means (not shown).
  • the connecting means hold the press table sections 30 together, ensuring that they are not displaced in relation to each other.
  • the connecting means may advantageously be designed such that they are releasable as it is hereby possible to remove or insert press: table sections 30, respectively.
  • the connecting means may advantageously be designed such that a given press table section 30 can be removed without removing adjacent press table sections. Hereby is achieved a greater flexibility and simplification of the maintenance of the press table 8.
  • the press table sections 30 can be designed so that it is possible to extend or reduce the press table 8. In that connection, it can be advantageous with a modular control unit 22 which is adapted for controlling a varying number of press table sections 30, for example by having a modular structure with extension options.
  • Each pressing unit 24 comprises a first actuator 26 and a second actuator 28.
  • the two actuators are disposed in continuation of each other in the press table 24.
  • the first actuator 26 is provided in the press table 8 such that the first actuator 26 is closer to the frame 4 of the press 2 and thereby farthest from the pressing tool when the press table 8 is installed in the press 2.
  • the second actuator 28 is provided in the press table 8 such that the second actuator 28 is farthest from the frame 4 of the press 2 and thereby closest from the pressing tool when the press table 8 is installed in the press 2.
  • the second actuator 28 is provided between the pressing tool and the first actuator 26 when the press table 8 is installed in the press 2.
  • FIG. 3a shows a sectional view of a first embodiment of a pressing unit 24 in a starting position
  • Fig. 3b shows a sectional view of the pressing unit 24 in Fig. 3a in an extreme position.
  • the pressing unit 24 comprises a first actuator 26 and a second actuator 28.
  • the second actuator 28 is disposed in continuation of the first actuator 26.
  • the first actuator 26 is designed with a first cylinder housing 34 having an inner first volume 36 in which a first pressing cylinder 32 is provided displacingly.
  • the first volume 36 is designed as a boring in the first cylinder housing 34 with an opening 36 facing the second actuator 28 such that the top side 40 of the first pressing cylinder is accessible from the outer side of the first cylinder housing 34.
  • a first pressure chamber 42 is formed between the bottom side 42 of the first cylinder and the cylinder housing 34.
  • the first pressure chamber 42 is connected to coupling means 44 for coupling between the pressing unit 24 and the control unit 22.
  • the coupling means 44 are designed as a passage for fluid and coupling for a connection to the control unit 22.
  • the second actuator 28 is designed with a second cylinder housing 46 having an inner second volume 48 in which a through-going second pressing cylinder 50 is provided displacingly.
  • the second volume 48 is designed as a through-going boring in the second cylinder housing 46 with an opening 52 facing the first actuator 26 and an opening 54 facing the pressing tool.
  • the second pressing cylinder 50 can be actuated from below by the first pressing cylinder 32 as the top side 40 of the first pressing cylinder can bear on the second pressing cylinder 50.
  • the second volume 48 is formed with a first part 56 closest to the opening designated 52, and a second part 58 closest to the opening with the designation 54.
  • the first part 56 has lesser diameter than the second part 58.
  • the second pressing cylinder 50 is designed with a stem 60 with a diameter corresponding to the first part 56 such that the first part 56 constitute a guide for the first part 56 of the second pressing cylinder 50.
  • the second pressing cylinder 50 is designed with a piston member 62 with a diameter corresponding to the second part 58 such that the second part 58 constitutes a guide for the piston member 62 of the second pressing cylinder 50.
  • a second pressure chamber 64 is formed between the second part 58 of the second cylinder and the second cylinder housing 46.
  • the second pressure chamber 64 is - connected to coupling means 44 for coupling between the pressing. unit 24 and the control unit 22.
  • the coupling means 44 are designed as a passage for fluid and coupling for a connection to the control unit 22.
  • the second pressing cylinder 50 With be applied a first pressing force from the first pressing cylinder 32. This pressing force is transmitted to the pressing tool through the second pressing cylinder 50, applying a resulting pressing force on the pressing tool corresponding to the first pressing force from the first pressing cylinder 32.
  • the second pressing cylinder 50 When only the second pressure chamber 64 is filled with fluid and pressurised, the second pressing cylinder 50 will be displaced in direction against the pressing tool. The top side 66 of the second pressing cylinder will bear on the pressing tool. By further build-up of pressure in the second pressure chamber 64, the second pressing cylinder 50 will apply a resulting pressing force on the pressing tool corresponding to the second pressing force from the second pressing cylinder 50. By simultaneous pressure build-up in the first pressure chamber 42 and the second pressure chamber 64, the first pressing force will be added with the second pressing force in a resulting pressing force which is transmitted to the pressing tool. This resulting pressing force consists of the sum of the first and second pressing forces.
  • the first pressing cylinder 32 and the second pressing cylinder 50 may then be arranged both for common and for individual control by separating the supply of fluid to the coupling means 44.
  • the coupling means 44 can be connected.
  • the first pressing cylinder 32 and the second pressing cylinder 50 are designed such that the area on which the fluid in respective pressure chambers 42, 64 is applied is greatest for the first pressing cylinder 32 and least for the second pressing cylinder 50. This entails that the first and second pressing forces will be different at identical fluid pressures in respective pressure chambers 42, 64.
  • first pressing cylinder 32 and the second pressing cylinder 50 can be designed such that identical first and second pressing forces are attained, or such that the second pressing force is greater than the first pressing force.
  • the used fluid can be hydraulic oil, water, air or another gas.
  • the first actuator 26 and the second actuator 28 are formed with a partitioning line 68.
  • the first actuator 26 and the second actuator 28 are held together across the partitioning line 68 by connecting means (not shown).
  • the first actuator 26 and the second actuator 28 are designed with a common cylinder housing.
  • Fig. 3b shows the travel 70 which is the distance which the top side 66 of the second pressing cylinder is displaced above the pressing unit 24.
  • Fig. 4 shows a perspective view of a press table section 30 with five pressing units 24.
  • the press table section is designed such that the first cylinder housings 34 are formed in a common structure, and the second cylinder housings 46 are formed in another common structure separated by a partitioning line 68.
  • Fig. 5 shows a sectional view of the press table section 30 on Fig. 4.
  • the first actuators 26 and the second actuators 28 correspond to the embodiment on Figs. 3a-3b. Therefore, designations of elements concerning the construction of the first actuator 26 and the second actuator 26 and the second actuator 28 are omitted.
  • FIGs. 4-5 differs by having a retracting piston 72 which is disposed under the first pressing cylinder 32.
  • the retracting piston 72 consists of a cylinder 74 which is connected to a bolt 76 extending through the first pressing cylinder 32 to the second pressing cylinder 50 with which it is connected.
  • the retracting piston 72 is activated when a pressing action is finished and the first pressure chamber 42 and the second pressure chamber 64 are no longer pressurised. The remaining fluid in the first pressure chamber 42 and in the second pressure chamber 64 is then displaced by action of the retracting piston 72. This is particularly an advantage in connection with viscous fluids as these will only slowly be displaced out of the first pressure chamber 42 and the second pressure chamber 64 under action of the first pressing cylinder 32 and the second pressing cylinder 50 by gravitation only.
  • Fig. 6 shows a sectional view of a second embodiment of a pressing unit 24.
  • the pressing unit includes a further actuator 78.
  • the additional actuator 78 is designed as the second actuator 28 with an additional through-going displaceable pressing cylinder 80.
  • the additional pressing cylinder 80 is provided with coupling means 44 adapted for forming a connection to a control unit 22.
  • the coupling means can be arranged in the same way as described under Figs. 3a-3b with regard to common and/or individual control of the pressing unit with the three actuators.
  • the pressing unit 24 can be extended to include several additional actuators 78.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

La présente invention se rapporte à une table (8) de presse adaptée au montage dans une presse (2) et au montage d'un outil de pressage, comprenant une unité de pressage (24) comprenant un premier actionneur (26) doté d'un premier cylindre de pressage déplaçable (32) servant à actionner l'outil de pressage à l'aide d'une première force de pressage. L'unité de pressage (24) comprend un second actionneur (28) doté d'un second cylindre de pressage déplaçable traversant (50) servant à actionner l'outil de pressage à l'aide d'une seconde force de pressage. Les premier et second actionneurs (26, 28) sont agencés dans le prolongement l'un de l'autre, les premier et second cylindres de pressage (32, 50) étant alignés de sorte que les cylindres de pressage (32, 50) puissent actionner l'outil de pressage à l'aide d'une force de pressage obtenue constituée de la somme de la première force de pressage et de la seconde force de pressage. L'invention se rapporte également à une presse (2) ainsi qu'à l'utilisation d'une table (8) de presse dans une presse (2).
PCT/DK2012/050248 2011-07-14 2012-07-04 Presse WO2013007260A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA201170388A DK177347B1 (da) 2011-07-14 2011-07-14 Pressebord
DKPA201170388 2011-07-14

Publications (1)

Publication Number Publication Date
WO2013007260A1 true WO2013007260A1 (fr) 2013-01-17

Family

ID=46754839

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DK2012/050248 WO2013007260A1 (fr) 2011-07-14 2012-07-04 Presse

Country Status (2)

Country Link
DK (1) DK177347B1 (fr)
WO (1) WO2013007260A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016042422A1 (fr) * 2014-09-19 2016-03-24 Siti - B&T Group S.P.A. Structure non soudée pour presses ainsi que procédé pour son assemblage
WO2016042421A1 (fr) * 2014-09-19 2016-03-24 Siti - B&T Group S.P.A. Unité de pressage pour une presse pour la production de produits, en particulier de produits en céramique
EP3297826A4 (fr) * 2015-05-15 2019-05-29 Usnr, Llc Presse modulaire
CN112706119A (zh) * 2020-12-14 2021-04-27 河南平高电气股份有限公司 一种缸盖压入工装

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US825866A (en) * 1905-06-29 1906-07-10 Lebbeus H Rogers Tandem brake-cylinder.
US3523443A (en) * 1967-08-30 1970-08-11 Cameron Iron Works Inc Hydraulic press
US3523445A (en) * 1968-04-30 1970-08-11 Cameron Iron Works Inc Press and ram type actuators for moving the platens thereof
DE2741102A1 (de) * 1977-09-13 1979-03-15 Cis Metalform Masch Anordnung von arbeitszylindern
US4307050A (en) 1979-12-14 1981-12-22 Bison-Werke Bahre & Greten Gmbh & Co. Kg Heated platten press
DD282633A5 (de) * 1989-04-28 1990-09-19 Elektro Physikalische Werke Hydraulische presse
DE9111366U1 (de) * 1991-09-13 1991-12-12 Hagmann Maschinenbau Ag, Selzach Mehrkolben-Zylinder
DE19937694A1 (de) * 1999-08-10 2001-02-22 Siempelkamp Gmbh & Co Plattenpresse, insbesondere Einetagenpresse
DE20103451U1 (de) * 2000-03-16 2001-05-23 Theodor Gräbener GmbH & Co. KG, 57250 Netphen Zylinder, insbesondere Kurzhub-Zylinder für Pressen o.dgl.
DE10043030A1 (de) * 2000-09-01 2002-03-21 Dieffenbacher Gmbh Maschf Kurztaktpresse
AT507110A1 (de) * 2008-07-30 2010-02-15 Ehrenleitner Franz Presse zum umformen von material

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US825866A (en) * 1905-06-29 1906-07-10 Lebbeus H Rogers Tandem brake-cylinder.
US3523443A (en) * 1967-08-30 1970-08-11 Cameron Iron Works Inc Hydraulic press
US3523445A (en) * 1968-04-30 1970-08-11 Cameron Iron Works Inc Press and ram type actuators for moving the platens thereof
DE2741102A1 (de) * 1977-09-13 1979-03-15 Cis Metalform Masch Anordnung von arbeitszylindern
US4307050A (en) 1979-12-14 1981-12-22 Bison-Werke Bahre & Greten Gmbh & Co. Kg Heated platten press
DD282633A5 (de) * 1989-04-28 1990-09-19 Elektro Physikalische Werke Hydraulische presse
DE9111366U1 (de) * 1991-09-13 1991-12-12 Hagmann Maschinenbau Ag, Selzach Mehrkolben-Zylinder
DE19937694A1 (de) * 1999-08-10 2001-02-22 Siempelkamp Gmbh & Co Plattenpresse, insbesondere Einetagenpresse
DE20103451U1 (de) * 2000-03-16 2001-05-23 Theodor Gräbener GmbH & Co. KG, 57250 Netphen Zylinder, insbesondere Kurzhub-Zylinder für Pressen o.dgl.
DE10043030A1 (de) * 2000-09-01 2002-03-21 Dieffenbacher Gmbh Maschf Kurztaktpresse
AT507110A1 (de) * 2008-07-30 2010-02-15 Ehrenleitner Franz Presse zum umformen von material

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016042422A1 (fr) * 2014-09-19 2016-03-24 Siti - B&T Group S.P.A. Structure non soudée pour presses ainsi que procédé pour son assemblage
WO2016042421A1 (fr) * 2014-09-19 2016-03-24 Siti - B&T Group S.P.A. Unité de pressage pour une presse pour la production de produits, en particulier de produits en céramique
CN107848236A (zh) * 2014-09-19 2018-03-27 斯蒂-B及T集团股份公司 用于压制设备的非焊接结构以及用于组装该结构的方法
EP3297826A4 (fr) * 2015-05-15 2019-05-29 Usnr, Llc Presse modulaire
US11192275B2 (en) 2015-05-15 2021-12-07 Usnr, Llc Modular press
CN112706119A (zh) * 2020-12-14 2021-04-27 河南平高电气股份有限公司 一种缸盖压入工装

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Publication number Publication date
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