43.
(11) Patent number: 2146195
(46) Date of publication: 10.03.2000
(51) Int. Cl.7: B 29 B 9/06
(21) Application number: 97118183/12
(22) Application date: 03.11.1997
(71) Applicant:
Institut fiziki prochnosti i materialovedenija SO RAN
(72) Inventor:
Gnjusov S.F.,
Mel'nikov A.G.
(73) Proprietor:
Institut fiziki prochnosti i materialovedenija SO RAN
(98) Mail address:
634021, Tomsk, pr.Akademicheskij 2/1, IFPM SO RAN, Patentnyj otde
(54) DIE OF POLYMER MATERIAL GRANULATOR
(57)
FIELD: dies of polymer material granulators. SUBSTANCE: granulator die has body with molding and gaging channels. They are made in hard-alloy bushings. Die working surface is made of composite alloy. Bushings are made of hard alloy WC-Co, and/or WC-steel 110G13, and TiC-NiCr. Die working part is made of composite alloy with the following ratio of components, wt.%: WC, 25-30; Mo, 8-10; steel 110G13, 10-12; Ni, 6-8; Mn, 14-15; copper, the balance. EFFECT: higher reliability and prolonged service life of polymer material granulator die. 1 cl, 1 dwg, 1 tbl.
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