公开(公告)号：US20150343667A1

公开(公告)日：2015-12-03

申请号：US14291578

申请日：2014-05-30

Applicant: Kennametal Inc.

Inventor： J. Denny Robertson ,  Debangshu Banerjee ,  Hugo Serrano ,  Yujiao Zou

IPC: B29B11/02 ,  C22C29/08 ,  B02C18/18 ,  C22C29/06

CPC classification number: B29B11/02 ,  B22F2998/10 ,  B22F2999/00 ,  B26D2001/002 ,  B26D2001/0033 ,  B29B9/06 ,  B29B9/065 ,  C22C29/06 ,  C22C29/067 ,  C22C29/08 ,  C22C29/10 ,  C22C1/1084 ,  B22F1/0059 ,  B22F3/02 ,  B22F3/1021 ,  B22F3/04 ,  B22F3/15 ,  B22F3/225 ,  B22F3/20 ,  B22F2009/042 ,  B22F2009/043 ,  B22F2201/013 ,  B22F2201/20

Abstract: Pelletizing die and knife assemblies that may be used for pelletization of plastic extrudate are disclosed. The knife assemblies may include an extrusion die and a rotary knife hub assembly. The rotary knife hub assembly may comprise a hub having multiple pelletizer cutting knives mounted thereon. Each knife may include a cutting blade insert mounted on a body of the knife. The cutting blade inserts may comprise a composite material having a continuous metal matrix with hard metal carbide particles dispersed therein. The composite material has relatively high hardness and good wear resistance properties, but may have a hardness less than the hardness of the pelletizing die surface in order to reduce wear of the die face.

Abstract translation: 公开了可用于塑料挤出物造粒的造粒模和刀组件。 刀组件可以包括挤出模头和旋转刀毂组件。 旋转刀毂组件可以包括具有安装在其上的多个造粒机切割刀的轮毂。 每个刀可以包括安装在刀体上的切割刀片插入件。 切割刀片插入件可以包括具有分散在其中的硬质金属碳化物颗粒的连续金属基体的复合材料。 复合材料具有相对较高的硬度和良好的耐磨性能，但是其硬度可以小于造粒模具表面的硬度，以减少模具表面的磨损。

公开(公告)号：US20150224509A1

公开(公告)日：2015-08-13

申请号：US14178911

申请日：2014-02-12

Applicant: Kennametal Inc.

Inventor： Hugo Serrano ,  J. Denny Robertson ,  William H. Pierce

IPC: B02C15/00 ,  B02C11/00

CPC classification number: B02C11/00 ,  B02C13/185 ,  B02C13/282 ,  B02C2013/2825

Abstract: A grain mill liner assembly includes a generally circular support member having an outer surface and an inner surface, a plurality of gear teeth inserts spaced about the inner surface of the support member, and a plurality of retainer elements spaced about the inner surface of the support member and configured to be removably attached to the support member. Each retainer element engages adjoining gear teeth inserts for securing the gear teeth inserts to the support member.

Abstract translation: 谷物磨机衬套组件包括具有外表面和内表面的大致圆形的支撑构件，围绕支撑构件的内表面间隔开的多个齿轮齿插入件和围绕支撑件的内表面间隔开的多个保持器元件 构件，并且构造成可移除地附接到支撑构件。 每个保持器元件接合相邻的齿轮齿插入件，用于将齿轮齿插入件固定到支撑构件上。