22-03-2018 дата публикации
Номер: US20180079029A1
Принадлежит:
RENISHAW PLC
An additive manufacturing apparatus comprises a processing chamber defining a window for receiving a laser beam and an optical module. The optical module is removably-mountable to the processing chamber for delivering the laser beam through the window. The optical module contains optical components for focusing and steering the laser beam and a controlled atmosphere can be maintained within the module. 1. An additive manufacturing apparatus comprising a processing chamber and an optical module for delivering a laser beam to a planar build surface in the processing chamber , the optical module comprising a housing containing optical components for focusing and steering the laser beam , a sensor for monitoring a parameter within the optical module indicative of a performance of the optical module and an external communication port for allowing communication between the sensor and a computer or control nodule.2. An additive manufacturing apparatus according to claim 1 , wherein the sensor comprises a sensor selected from the group of: a thermometer or thermosensor for monitoring a temperature within the module claim 1 , an atmospheric sensor for monitoring atmospheric conditions within the module and a humidity sensor.3. An additive manufacturing apparatus according to claim 1 , wherein the sensor comprises a beam monitor for monitoring a laser beam parameter.4. An additive manufacturing apparatus according to claim 3 , wherein the laser beam parameter is selected from the group of: a beam profile claim 3 , a beam power claim 3 , an intensity distribution of the laser beam and a beam shape.5. An additive manufacturing apparatus comprising a processing chamber and an optical module for delivering a laser beam to a planar build surface in the processing chamber claim 3 , the optical module comprising a housing containing optical components for focusing and steering the laser beam claim 3 , a sensor for monitoring parameters of a processing operation performed by the ...
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