RU96110481A - BOTTOM PRODUCTION METHOD - Google Patents

BOTTOM PRODUCTION METHOD

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Publication number
RU96110481A
RU96110481A RU96110481/02A RU96110481A RU96110481A RU 96110481 A RU96110481 A RU 96110481A RU 96110481/02 A RU96110481/02 A RU 96110481/02A RU 96110481 A RU96110481 A RU 96110481A RU 96110481 A RU96110481 A RU 96110481A
Authority
RU
Russia
Prior art keywords
punch
matrix
matrix material
moment
cooling
Prior art date
Application number
RU96110481/02A
Other languages
Russian (ru)
Other versions
RU2098209C1 (en
Inventor
А.В. Бакиев
Р.Г. Абдеев
Б.Е. Сельский
Original Assignee
Б.Е. Сельский
Filing date
Publication date
Application filed by Б.Е. Сельский filed Critical Б.Е. Сельский
Priority to RU96110481A priority Critical patent/RU2098209C1/en
Priority claimed from RU96110481A external-priority patent/RU2098209C1/en
Application granted granted Critical
Publication of RU2098209C1 publication Critical patent/RU2098209C1/en
Publication of RU96110481A publication Critical patent/RU96110481A/en

Links

Claims (1)

Способ изготовления днищ, включающий штамповку днища из нагретой заготовки и охлаждение пуансона, отличающийся тем, что дополнительно охлаждают матрицу, причем охлаждение пуансона и матрицы ведут непрерывно при интенсивности теплоотвода с единицы рабочей поверхности пуансона и матрицы, равной
Figure 00000001

где П - интенсивность теплоотвода, Вт/м2;
Тз - температура нагрева заготовки перед штамповкой, град.;
То - начальная температура матрицы/пуансона, град.;
λ - теплопроводность материала матрицы/пуансона, Вт/м2 • град.;
с - теплоемкость материала матрицы/пуансона, Дж/кг-1 • град.-1;
ρ - плотность материала матрицы/пуансона, кг/м3;
Δt - интервал времени между моментом установки заготовки на матрицу и моментом съема готового днища, с.A method of manufacturing bottoms, including stamping the bottom from a heated billet and cooling the punch, characterized in that it further cools the matrix, moreover, the cooling of the punch and the die is carried out continuously at a heat sink from a unit of the working surface of the punch and matrix equal to
Figure 00000001

where P is the heat sink intensity, W / m 2 ;
T s - heating temperature of the workpiece before stamping, deg .;
T about - the initial temperature of the matrix / punch, deg .;
λ - thermal conductivity of the matrix material / punch, W / m 2 • deg .;
C is the heat capacity of the matrix material / punch, J / kg -1 • deg. -1 ;
ρ is the density of the matrix material / punch, kg / m 3 ;
Δt is the time interval between the moment of installation of the workpiece on the matrix and the moment of removal of the finished bottom, s.
RU96110481A 1996-05-24 1996-05-24 Method of making bottoms RU2098209C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU96110481A RU2098209C1 (en) 1996-05-24 1996-05-24 Method of making bottoms

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU96110481A RU2098209C1 (en) 1996-05-24 1996-05-24 Method of making bottoms

Publications (2)

Publication Number Publication Date
RU2098209C1 RU2098209C1 (en) 1997-12-10
RU96110481A true RU96110481A (en) 1998-04-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU96110481A RU2098209C1 (en) 1996-05-24 1996-05-24 Method of making bottoms

Country Status (1)

Country Link
RU (1) RU2098209C1 (en)

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