FIELD: technological processes.
SUBSTANCE: preliminary and final shaping of head is carried out on initial workpiece, rod conical section is formed and reduced for thread rolling. Conical section is formed by means of preliminary molding in two steps and final molding. Angle of incline of conical section generatrix to the workpiece axis and length of this section during its shaping in steps of preliminary molding and in final molding is accepted based on given ratios.
EFFECT: expansion of method technological resources and higher quality of produced articles and resistance of applied tool.
4 cl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| POLYHEDRAL ARTICLES PRODUCTION PROCESS | 2003 |
|
RU2241569C2 |
| METHOD FOR MAKING BALL PINS | 2002 |
|
RU2238167C2 |
| METHOD FOR FORMING BALL PIN | 1999 |
|
RU2138360C1 |
| METHOD FOR MAKING ARTICLES SUCH AS BOLT BLANKS | 2000 |
|
RU2161082C1 |
| METHOD OF PRODUCING ROD-TYPE STEPPED GROOVED PARTS | 2010 |
|
RU2422236C1 |
| METHOD FOR MAKING BALL-HEAD PINS | 2002 |
|
RU2212973C1 |
| METHOD FOR MAKING RAILROAD WOOD SCREWS | 1996 |
|
RU2100127C1 |
| METHOD FOR MAKING FLANGED BOLT WITH SHAPED HEAD | 2004 |
|
RU2265494C1 |
| METHOD FOR MAKING BOLTS WITH POLYHEDRAL HEAD | 2002 |
|
RU2236926C1 |
| METHOD OF MANUFACTURING BOLTS | 0 |
|
SU703214A1 |
