发明名称 |
faça feita de aço ferramenta de trabalho a frio, e, método para afiar faca |
摘要 |
Granulator blades with a high wear resistance made of cold work tool steel, preferably with a high vanadium content and thermally treated after machining, at a temperature ranging from 500° C. to 700° C. The sharpening of the blades is effected by abrading the blades against the surface of the die plate, under suitable operating conditions. |
申请公布号 |
BRPI0921271(A2) |
申请公布日期 |
2016.02.23 |
申请号 |
BR2009PI21271 |
申请日期 |
2009.10.29 |
申请人 |
POLIMERI EUROPA S.P.A. |
发明人 |
ALESSANDRO CASALINI;RICCARDO FELISARI |
分类号 |
B26D1/00;B29B9/06;C21D1/84;C21D5/00;C21D9/18;C22C38/22;C22C38/24 |
主分类号 |
B26D1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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