SU144135A1 - Method of making seamless pipes - Google Patents

Method of making seamless pipes

Info

Publication number
SU144135A1
SU144135A1 SU692831A SU692831A SU144135A1 SU 144135 A1 SU144135 A1 SU 144135A1 SU 692831 A SU692831 A SU 692831A SU 692831 A SU692831 A SU 692831A SU 144135 A1 SU144135 A1 SU 144135A1
Authority
SU
USSR - Soviet Union
Prior art keywords
pipes
seamless pipes
making seamless
rolling
roll
Prior art date
Application number
SU692831A
Other languages
Russian (ru)
Inventor
С.Н. Романенко
Original Assignee
С.Н. Романенко
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 С.Н. Романенко filed Critical С.Н. Романенко
Priority to SU692831A priority Critical patent/SU144135A1/en
Application granted granted Critical
Publication of SU144135A1 publication Critical patent/SU144135A1/en

Links

Landscapes

  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)

Description

Известны способы изготовлени  бесшовных труб путем поперечной раскатки толстостенной катаной, прессованной или литой гильзы на стане с трем  и более валками с установкой гильзы на среднем валке.Methods are known for manufacturing seamless pipes by transverse rolling of thick-walled rolls, pressed or cast sleeves in a mill with three or more rolls with installation of the sleeve on the middle roll.

Однако известные способы не обеспечивают необходимой производительности труда в процессе раскатки и уменьшени  разностенности исходной гильзы.However, the known methods do not provide the necessary labor productivity in the process of rolling out and reducing the difference in thickness of the original liner.

В предлагаемом способе указанных недостатков нет.In the proposed method, these disadvantages are not.

Достигаетс  это тем, что поперечную раскатку гильз ведут на стане с применением среднего профильного валка, расположенного между двум  цилиндрическими валками большего диаметра.This is achieved by the fact that the transverse rolling of liners is carried out on the mill using an average profile roll located between two cylindrical rolls of a larger diameter.

На чертеже изображена схе.ма осуществлени  способа.The drawing shows the scheme of the method.

Способ может примен тьс  дл  обработки заготовки как в холодном , так и в гор чем состо нии и предназначен дл  изготовлени  бесшовных цилиндров, барабанов и труб большого диаметра как из цветных , так и черных металлов.The method can be used to process the workpiece both in cold and hot condition and is intended for the manufacture of seamless cylinders, drums and pipes of large diameter from both non-ferrous and ferrous metals.

Раскатку исходной гильзы / осуществл ют на стане с трем  и более валками, из которых нижний 2 и верхний 3 валики имеют гладкую поверхность , а средний валок 4 профильный. От точки а до точки б радиус кривизны валка плавно увеличиваетс , а от точки б, до точки в сохран етс  посто нным и при этом максимальным.Rolling the original liner / is carried out on a mill with three or more rollers, of which the lower 2 and upper 3 rollers have a smooth surface, and the middle roll 4 is profiled. From point a to point b, the radius of curvature of the roll gradually increases, and from point b to point c remains constant and at the same time maximum.

Описываемый способ позвол ет изготовл ть трубы из заготовок с большей исходной разностенностью, причем у готовых труб разностенность не превышает 4%. Окончательную правку труб по диаметру производ т на правильном станке. Применение профильного валка облегчает услови  внедрени  гребн  валка в металл, а также обеспечивает возможность проведени  раскатки гильз при больших обжати х.The described method makes it possible to manufacture pipes from billets with a higher initial varicosity, with the finished pipes not having a wall thickness of more than 4%. The final straightening of pipes by diameter is made on the correct machine. The use of the profile roll facilitates the conditions for the introduction of the roll ridge into the metal, and also provides the possibility of rolling the liners with large shrinkings.

Предмет изобретени Subject invention

Способ изготовлени  бесшовных труб путем поперечной раскатки толстостенной катаной, прессованной или литой гильзы на стане с трем Method of making seamless pipes by transverse rolling of thick-walled katana, pressed or cast sleeves on a mill with three

и более валками с установкой гильзы на среднем валке, отличающийс  тем, что, с целью ускорени  процесса раскатки и уменьшени  разностенности исходной гильзы-заготовки, раскатка металла осуще- ..u.iieicH с применением среднего профильного валка, установленного между цилиндрическими валками.and more rolls with installation of the liner on the middle roll, characterized in that, in order to speed up the process of rolling and reduce the difference in wall thickness of the original blank, the metal is rolled out using an average profile roll installed between the cylindrical rolls.

SU692831A 1961-01-11 1961-01-11 Method of making seamless pipes SU144135A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU692831A SU144135A1 (en) 1961-01-11 1961-01-11 Method of making seamless pipes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU692831A SU144135A1 (en) 1961-01-11 1961-01-11 Method of making seamless pipes

Publications (1)

Publication Number Publication Date
SU144135A1 true SU144135A1 (en) 1961-11-30

Family

ID=48299837

Family Applications (1)

Application Number Title Priority Date Filing Date
SU692831A SU144135A1 (en) 1961-01-11 1961-01-11 Method of making seamless pipes

Country Status (1)

Country Link
SU (1) SU144135A1 (en)

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