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    • 6. 发明公开
    • DIE FOR MOLDING ROLLER
    • 用于成型辊的模具
    • EP3231570A1
    • 2017-10-18
    • EP15866798.0
    • 2015-11-09
    • NOK Corporation
    • YASUNAGA ShiroWATANABE ShigeruSUZUKI Yuta
    • B29C39/26B29C39/10B29C45/14B29C45/26G03G15/00G03G15/20
    • B29C33/305B29C33/0055B29C33/123B29C33/202B29C39/028B29C39/10B29C39/26B29C39/28B29C45/0025B29C45/14B29C45/14065B29C45/14549B29C45/1742B29C45/26B29C2045/14122B29C2045/14934B29C2045/14959B29C2045/2671B29L2031/324G03G15/00G03G15/20
    • The invention relates to molding of a roller in which a roller body is provided integrally on the outer periphery of an axial core member (310), and the objective of the invention is to prevent the generation of a thin burr, and damage to the die, for example. In order to achieve this objective, a die is provided with a first split die (1) and a second split die (2) which can butt against one another or separate from one another at mutually-opposing parting surfaces (1a and 2a). In the first split die (1) and the second split die (2) are formed: supporting portions (11 and 21) which are capable of supporting the axial core member (310) of the roller, and which can be brought into intimate contact with the outer peripheral surface of the axial core member (310), with a moderate surface pressure, when the mold is clamped; a roller body molding surface (12), a cavity (A) being defined between the axial core member (310) and the roller body molding surface (12) when the mold is clamped; and recessed portions (14 and 24) which are located at both end portions of the supporting portions (11 and 21) and extend along the parting surfaces (1a and 2a), and which are not in contact with the outer peripheral surface of the axial core member (310) when the mold is clamped, and which penetrate through the supporting portions (11 and 21).
    • 本发明涉及在轴芯构件(310)的外周一体地设置辊主体的辊的成形,本发明的目的在于防止产生细的毛刺和损伤模具 , 例如。 为了实现该目的,模具设置有第一分割模具(1)和第二分割模具(2),所述第一分割模具(1)和第二分割模具(2)可以在彼此相对的分型面(1a和2a)处彼此对接或彼此分离。 在第一分割模具(1)和第二分割模具(2)中形成有能够支撑辊的轴芯构件(310)并且能够紧密接触的支撑部(11和21) 与所述轴芯构件(310)的外周面在适当的表面压力下夹持所述模具; 辊体模制表面(12),当模具被夹紧时,在轴芯体部件(310)和辊体模制表面(12)之间限定空腔(A) 和位于所述支承部(11,21)的两端部且沿着所述分型面(1a,2a)延伸且不与所述轴向外周面接触的凹部(14,24) (310),当模具被夹紧并且穿过支撑部分(11和21)时。