PL424401A1 - Method for hydromechanical shaping of thin-walled sections and the die for hydromechanical shaping of thin-walled sections - Google Patents

Method for hydromechanical shaping of thin-walled sections and the die for hydromechanical shaping of thin-walled sections

Info

Publication number
PL424401A1
PL424401A1 PL424401A PL42440118A PL424401A1 PL 424401 A1 PL424401 A1 PL 424401A1 PL 424401 A PL424401 A PL 424401A PL 42440118 A PL42440118 A PL 42440118A PL 424401 A1 PL424401 A1 PL 424401A1
Authority
PL
Poland
Prior art keywords
matrix
shaped
closed profile
thin
box
Prior art date
Application number
PL424401A
Other languages
Polish (pl)
Other versions
PL235400B1 (en
Inventor
Andrzej Kochański
Hanna Sadłowska
Original Assignee
Politechnika Warszawska
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 Politechnika Warszawska filed Critical Politechnika Warszawska
Priority to PL424401A priority Critical patent/PL235400B1/en
Publication of PL424401A1 publication Critical patent/PL424401A1/en
Publication of PL235400B1 publication Critical patent/PL235400B1/en

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  • Mounting, Exchange, And Manufacturing Of Dies (AREA)

Abstract

Matryca składa się z dwóch części (2a, 2b) z kształtowymi powierzchniami odwzorowującymi kształt modelu użytego do wykonania powierzchni kształtowych, pomiędzy którymi mocowany jest profil zamknięty (1). Każdą część (2a, 2b) matrycy, górną i dolną, wykonuje się ze skrzynki ze sztywną podstawą (3), którą to skrzynkę wypełnia się podatnym na odkształcenie materiałem formierskim (4), którego głównym składnikiem jest osnowa z materiału ziarnistego, zwłaszcza z piasku, ulegająca zagęszczeniu i lokalnemu umocnienieniu pod wpływem deformacji plastycznej kształtowanego w matrycy profilu zamkniętego (1). Przeciwległe boki skrzynki są zaopatrzone w wycięcia do zamocowania końców profilu zamkniętego (1). Powierzchnie kształtowe obu części (2a, 2b) wykonuje się z nadmiarem uwzględniającym wymiar stref odkształcenia (5, 6) matrycy pod wpływem deformacji plastycznej kształtowanego profilu zamkniętego (1), poprzez użycie do ich wykonania modelu pomniejszonego o założony wymiar stref odkształcenia (5, 6) względem wymiaru końcowego ukształtowanego profilu zamkniętego (1). Przedmiotem zgłoszenia jest również sposób hydromechanicznego kształtowania profili zamkniętych.The matrix consists of two parts (2a, 2b) with shaped surfaces reflecting the shape of the model used to make shaped surfaces, between which the closed profile is attached (1). Each upper and lower part (2a, 2b) of the matrix is made of a box with a rigid base (3), which box is filled with deformable molding material (4), whose main component is a matrix of granular material, especially sand , subject to compaction and local strengthening under the influence of plastic deformation of the closed profile shaped in the matrix (1). Opposite sides of the box are provided with cutouts to fix the ends of the closed profile (1). The shaped surfaces of both parts (2a, 2b) are made with an excess taking into account the dimension of the deformation zones (5, 6) of the matrix under the influence of the plastic deformation of the shaped closed profile (1), by using a model reduced by the assumed dimension of the deformation zones (5, 6) ) relative to the final dimension of the shaped closed profile (1). The subject of the application is also a method of hydromechanical shaping of closed profiles.

PL424401A 2018-01-29 2018-01-27 Method for hydromechanical shaping of thin-walled sections and the die for hydromechanical shaping of thin-walled sections PL235400B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL424401A PL235400B1 (en) 2018-01-29 2018-01-27 Method for hydromechanical shaping of thin-walled sections and the die for hydromechanical shaping of thin-walled sections

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL424401A PL235400B1 (en) 2018-01-29 2018-01-27 Method for hydromechanical shaping of thin-walled sections and the die for hydromechanical shaping of thin-walled sections

Publications (2)

Publication Number Publication Date
PL424401A1 true PL424401A1 (en) 2019-08-12
PL235400B1 PL235400B1 (en) 2020-07-13

Family

ID=67549871

Family Applications (1)

Application Number Title Priority Date Filing Date
PL424401A PL235400B1 (en) 2018-01-29 2018-01-27 Method for hydromechanical shaping of thin-walled sections and the die for hydromechanical shaping of thin-walled sections

Country Status (1)

Country Link
PL (1) PL235400B1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4744237A (en) * 1987-05-06 1988-05-17 Ti Automotive Division Of Ti Canada Inc. Method of forming box-like frame members
US4829803A (en) * 1987-05-06 1989-05-16 Ti Corporate Services Limited Method of forming box-like frame members
PL169841B1 (en) * 1991-12-20 1996-09-30 Fiat Auto Spa A method and device for shaping sheet metal with the use of a liquid PL substrate
DE10062501A1 (en) * 2000-12-08 2002-06-27 Meier Horst Monitoring process based on sensors processing waves involves using liquid or gas to build up deforming pressure in cavity in wall of blank, combined with sensor actuators

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4744237A (en) * 1987-05-06 1988-05-17 Ti Automotive Division Of Ti Canada Inc. Method of forming box-like frame members
US4829803A (en) * 1987-05-06 1989-05-16 Ti Corporate Services Limited Method of forming box-like frame members
PL169841B1 (en) * 1991-12-20 1996-09-30 Fiat Auto Spa A method and device for shaping sheet metal with the use of a liquid PL substrate
DE10062501A1 (en) * 2000-12-08 2002-06-27 Meier Horst Monitoring process based on sensors processing waves involves using liquid or gas to build up deforming pressure in cavity in wall of blank, combined with sensor actuators

Also Published As

Publication number Publication date
PL235400B1 (en) 2020-07-13

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