发明申请
US20120133065A1 REAL-TIME, CLOSED-LOOP SHAPE CONTROL OF EXTRUDED CERAMIC HONEYCOMB STRUCTURES
审中-公开
超声波陶瓷蜂窝结构的实时,闭环形状控制
- 专利标题: REAL-TIME, CLOSED-LOOP SHAPE CONTROL OF EXTRUDED CERAMIC HONEYCOMB STRUCTURES
- 专利标题(中): 超声波陶瓷蜂窝结构的实时,闭环形状控制
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申请号: US13301127申请日: 2011-11-21
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公开(公告)号: US20120133065A1公开(公告)日: 2012-05-31
- 发明人: Stephen John Caffrey , Joseph Henry Citriniti , Robert John Locker , Robert Bernard Lubberts , Daniel Edward McCauley , David Robert Potts , David Robertson Treacy, JR. , Casey Allen Volino
- 申请人: Stephen John Caffrey , Joseph Henry Citriniti , Robert John Locker , Robert Bernard Lubberts , Daniel Edward McCauley , David Robert Potts , David Robertson Treacy, JR. , Casey Allen Volino
- 主分类号: B29C45/76
- IPC分类号: B29C45/76
摘要:
Systems and methods for real-time, closed-loop shape control of extruded ceramic honeycomb structures are disclosed. Methods include extruding batch material through an extruder barrel and through an extruder die using at least one extrusion screw to form the extrudate, and measuring a shape of the extrudate immediately adjacent the die. The batch material water content is determined or measured, at least one of the extruder barrel and screw temperature are measured, and the extrusion screw rotation rate are measured. At least one of the batch material water content, barrel temperature, screw temperature and rotation rate is adjusted to maintain the extrudate shape to within a select tolerance.