PL404614A1 - The method of extruding the outer and inner collar - Google Patents

The method of extruding the outer and inner collar

Info

Publication number
PL404614A1
PL404614A1 PL404614A PL40461413A PL404614A1 PL 404614 A1 PL404614 A1 PL 404614A1 PL 404614 A PL404614 A PL 404614A PL 40461413 A PL40461413 A PL 40461413A PL 404614 A1 PL404614 A1 PL 404614A1
Authority
PL
Poland
Prior art keywords
pipe
blank
sleeve
range
punch
Prior art date
Application number
PL404614A
Other languages
Polish (pl)
Other versions
PL224499B1 (en
Inventor
Grzegorz Winiarski
Andrzej Gontarz
Original Assignee
Politechnika Lubelska
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 Lubelska filed Critical Politechnika Lubelska
Priority to PL404614A priority Critical patent/PL224499B1/en
Publication of PL404614A1 publication Critical patent/PL404614A1/en
Publication of PL224499B1 publication Critical patent/PL224499B1/en

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Abstract

Sposób wyciskania zewnętrznego i wewnętrznego kołnierza, zwłaszcza na końcu rury charakteryzuje się tym, że półfabrykat (1) w kształcie odcinka rury o grubości g ścianki rury i średnicy D zewnętrznej rury umieszcza się współosiowo w matrycy (4) w kształcie stopniowanej wewnętrznie tulei. Następnie umieszcza się stempel (3) współosiowo do półfabrykatu (1), po czym ustawia się tuleję (2a) współosiowo do półfabrykatu (1) w odległości (hoa) w zakresie od połowy grubości ścianki rury do trzykrotnej wartości średnicy zewnętrznej rury od powierzchni (6) czołowej matrycy (4) oraz ustawia się tuleję (2b) współosiowo do półfabrykatu (1) w odległości (hob) w zakresie od połowy grubości ścianki rury do trzykrotnej wartości średnicy zewnętrznej rury od powierzchni (6) czołowej matrycy (4). Następnie wprawia się w ruch postępowy stempel (3) z prędkością (V3) w zakresie od 0,001 m/s do 100 m/s i spęcza się półfabrykat (1) oraz wyciska się promieniowo materiał półfabrykatu (1), następnie wprawia się w ruch postępowy tuleję (2a) oraz tuleję (2b) z prędkością (V2) w zakresie od 0,001 m/s do 100 m/s w kierunku przeciwnym do prędkości (V3) stempla (3) i zwiększa się długości kołnierzy wału drążonego i uzyskuje się wał drążony z kołnierzami.The method of extruding the outer and inner flanges, especially at the end of the pipe, is characterized by the fact that the blank (1) in the shape of a pipe section with the thickness of the pipe wall and diameter D of the outer pipe is placed coaxially in the matrix (4) in the shape of an internally graduated sleeve. Then the punch (3) is placed coaxially to the blank (1), then the sleeve (2a) is coaxial to the blank (1) at a distance (hoa) in the range from half the pipe wall thickness to three times the outer diameter of the pipe from the surface (6) ) of the front die (4) and the bushing (2b) is set coaxially to the blank (1) at a distance (hob) in the range from half the pipe wall thickness to three times the outer diameter of the pipe from the surface (6) of the front die (4). The punch (3) is then set in motion at a speed (V3) in the range from 0.001 m / s to 100 m / s and the blank (1) is swollen and the blank material (1) is radially squeezed, then the sleeve is put in a forward motion (2a) and the sleeve (2b) at a speed (V2) in the range from 0.001 m / s to 100 m / s in the opposite direction (V3) of the punch (3) and the length of the hollow shaft flanges increases and a hollow shaft with flanges is obtained .

PL404614A 2013-07-09 2013-07-09 The method of extruding the outer and inner collar PL224499B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL404614A PL224499B1 (en) 2013-07-09 2013-07-09 The method of extruding the outer and inner collar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL404614A PL224499B1 (en) 2013-07-09 2013-07-09 The method of extruding the outer and inner collar

Publications (2)

Publication Number Publication Date
PL404614A1 true PL404614A1 (en) 2015-01-19
PL224499B1 PL224499B1 (en) 2016-12-30

Family

ID=52305515

Family Applications (1)

Application Number Title Priority Date Filing Date
PL404614A PL224499B1 (en) 2013-07-09 2013-07-09 The method of extruding the outer and inner collar

Country Status (1)

Country Link
PL (1) PL224499B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106001360A (en) * 2016-06-16 2016-10-12 上海交通大学 Thin-wall part progressive upset forming mold and forming method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106001360A (en) * 2016-06-16 2016-10-12 上海交通大学 Thin-wall part progressive upset forming mold and forming method

Also Published As

Publication number Publication date
PL224499B1 (en) 2016-12-30

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