SU462326A3 - The method of pipe rolling on a reduction mill with tension - Google Patents

The method of pipe rolling on a reduction mill with tension

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Publication number
SU462326A3
SU462326A3 SU1144568A SU1144568A SU462326A3 SU 462326 A3 SU462326 A3 SU 462326A3 SU 1144568 A SU1144568 A SU 1144568A SU 1144568 A SU1144568 A SU 1144568A SU 462326 A3 SU462326 A3 SU 462326A3
Authority
SU
USSR - Soviet Union
Prior art keywords
tension
pipe rolling
mill
reduction mill
wall thickness
Prior art date
Application number
SU1144568A
Other languages
Russian (ru)
Inventor
Кокс Фридрих
Original Assignee
Фридрих Кокс (Фирма)
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 Фридрих Кокс (Фирма) filed Critical Фридрих Кокс (Фирма)
Priority to SU1144568A priority Critical patent/SU462326A3/en
Application granted granted Critical
Publication of SU462326A3 publication Critical patent/SU462326A3/en

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Description

(54) СПОСОБ ПРОКАТКИ ТРУБ НА РЕДУКЦИОННОМ СТАНЕ(54) METHOD FOR PIPE ROLLING ON THE REDUCTION MILL

С НАТЯЖЕНИЕМWITH TENSION

1one

Известный способ прокатки труб с нат жением заключаетс  в том, что число оборотов валков непрерывно измен ют с таким расчетом , чтобы прокатка концов осуществл лась по заданному режиму нат жени  дл  средней части трубы. Программа изменени  чисел оборотов выбираетс  в каждом конкретном случае такой, чтобы стенка трубы после редуцировани  имела одинаковую толщину по всей длине. Этот способ не учитывает отклонение толщины стенки исходной заготовки по длине.A known method of rolling pipes under tension is that the number of revolutions of the rolls is continuously varied so that the ends are rolled according to a predetermined tension mode for the middle part of the pipe. The rotational speed change program is chosen in each specific case such that the wall of the pipe after reduction has the same thickness along the entire length. This method does not take into account the deviation of the wall thickness of the original billet along the length.

По предлагаемому способу дл  снижени  разнотолщинности по длине готовых труб производ т изменение числа оборотов валков в зависимости от отклонени -посто нно замер емой на входе в стан толщины стенки заготовки от среднего ее значени .According to the proposed method, in order to reduce the thickness variation along the length of the finished tubes, the number of revolutions of the rolls is varied depending on the deviation of the blank wall thickness measured at the entrance to the mill to its average value.

При настройке устанавливают число оборотов валков соответственно расчетному нат жению и в зависимости от средней толщины стенки заготовки. Среднюю толщину стенки заготовки определ ют по ее весу, длине и диаметру . При задаче заготовки в стан посто нно контролируют отклоиение от средней толщины стенки и производ т соответственное изменение числа оборотов валков. Степень нат жени  измен етс  при этом следующим образом: увеличиваетс  в случае утолщени  заготовки и уменьшаетс  при меньшей толщине стенки.When adjusting, the number of revolutions of the rolls is set according to the calculated tension and depending on the average wall thickness of the workpiece. The average wall thickness of the preform is determined by its weight, length, and diameter. At the task of the workpiece, deviation from the average wall thickness is constantly monitored in the mill and a corresponding change in the number of turns of the rolls is made. The degree of tension varies as follows: increases in the case of thickening of the workpiece and decreases with a smaller wall thickness.

Дл  замера толщины стенки могут быть использованы самые различные средства.A variety of means can be used to measure wall thickness.

Предмет изобретени Subject invention

Способ прокатки труб на редукционном стане с нат жением, включающий деформацию заготовки с переменным нат жением в процессе ее прокатки, создаваемым изменением числа оборотов валков, отличающийс  тем, что, с целью снижени  разнотолщинности по длине готовых труб, изменение числа оборотов валков производ т в зависимости от отклонени  посто нно замер емой на входе в стан толщины стенки заготовки от среднего ее значени .The method of rolling pipes in a tensioning mill with tension, including the deformation of the workpiece with variable tension during its rolling, created by a change in the number of revolutions of the rolls, characterized in that, in order to reduce the thickness variation along the length of the finished tubes, from the deviation of the wall thickness of the preform, which is constantly measured at the entrance to the mill, from its average value.

SU1144568A 1967-03-29 1967-03-29 The method of pipe rolling on a reduction mill with tension SU462326A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1144568A SU462326A3 (en) 1967-03-29 1967-03-29 The method of pipe rolling on a reduction mill with tension

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1144568A SU462326A3 (en) 1967-03-29 1967-03-29 The method of pipe rolling on a reduction mill with tension

Publications (1)

Publication Number Publication Date
SU462326A3 true SU462326A3 (en) 1975-02-28

Family

ID=20440379

Family Applications (1)

Application Number Title Priority Date Filing Date
SU1144568A SU462326A3 (en) 1967-03-29 1967-03-29 The method of pipe rolling on a reduction mill with tension

Country Status (1)

Country Link
SU (1) SU462326A3 (en)

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