METHOD FOR MAKING ARTICLES SUCH AS BOLT BLANKS

• Main Authors: TREFILOV V.A, VEREMEENKO V.V, MATVEEV V.N, POSPELOV A.L, TEFTELEV E.N
• Format: Patent
• Language: English; Russian
• Published: 10.11.2000
• Edition: 7
• Subjects: MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS; MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL; PERFORMING OPERATIONS; PUNCHING METAL; TRANSPORTING

plastic metal working, possibly manufacture of articles such as bolt blanks. SUBSTANCE: method comprises steps of cutting off initial blank, preliminarily and finally shaping head at simultaneous upsetting of stem. Preliminary shaped head is in the form of truncated cone whose small base is turned t...