Additive processing apparatus, information processing apparatus, additive processing method, and additive processing program

Abstract

This technology provides an improved accuracy for additive manufacturing using the Directed Energy Deposition (DED) method. [Solution] The additive processing apparatus comprises a control device, a laser head capable of performing stacking processing of a workpiece by supplying powder material to the workpiece and irradiating the workpiece with laser light, and a drive unit for driving the laser head. The control device controls the drive unit and the laser head and performs a process of stacking the workpiece, and a process of cleaning at least a portion of the powder material remaining on the workpiece during at least a portion of the execution of the stacking process.

Claims

1. An additive processing device, Control device and A laser head capable of performing a lamination process on a workpiece by supplying powder material to the workpiece and irradiating the workpiece with laser light, The laser head is driven by a drive unit, The control device is The drive unit and the laser head are controlled to perform a process of stacking and processing the workpiece, An additive processing apparatus that performs a process of cleaning at least a portion of the powder material remaining on the workpiece during at least a portion of the process of performing the lamination process.

2. The aforementioned additive processing apparatus further includes a gas supply source for supplying compressed gas. The additive processing apparatus according to claim 1, wherein the cleaning process includes a process of discharging the compressed gas onto the workpiece.

3. The additive processing apparatus according to claim 2, wherein the cleaning process includes a process of discharging the compressed gas along the valley portion formed in the workpiece.

4. The aforementioned additive processing apparatus further, The main shaft, The system includes a tool changing device for selectively mounting one of several machining tools onto the spindle, The aforementioned multiple machining tools are, The aforementioned laser head, The additive processing apparatus according to claim 3, further comprising a gas discharge tool for discharging the compressed gas.

5. The gas discharge tool is a cutting tool in which a first fluid passage is formed inside, The spindle has a second passage which is connected to the first passage when the cutting tool is mounted, The additive processing apparatus according to claim 4, wherein the gas supply source is configured to supply compressed gas to the first passage and the second passage.

6. The additive processing apparatus according to any one of claims 1 to 3, wherein the control device starts the cleaning process based on the completion of lamination of a predetermined layer, and finishes the cleaning process before lamination of the next layer after the predetermined layer begins.

7. The additive processing apparatus according to claim 6, wherein the control device performs the cleaning process each time a predetermined number of layers have been laminated.

8. An information processing device capable of generating an additional processing program for a workpiece in an additional processing device, The additive processing apparatus includes a laser head capable of layering a workpiece by supplying powder material to the workpiece and irradiating the workpiece with laser light. The aforementioned information processing device includes a control device, The control device is A process to display a design screen for the drive path showing the trajectory of the laser beam irradiation point, The process of generating an additional machining program including the aforementioned drive path is executed, The design screen is configured to accept the setting of a drive path indicating the trajectory of the discharge point of the compressed gas with respect to a gas discharge tool capable of discharging compressed gas onto the workpiece, and is an information processing device.

9. The control device further executes a process to acquire a three-dimensional model representing the three-dimensional shape of the workpiece to be laminated. The design screen is configured to accept location specifications for layer models obtained by dividing the three-dimensional model of the workpiece into layers. The information processing apparatus according to claim 8, wherein the control device, based on receiving a location specification for the displayed layer model, executes a process to display the valley portion connected to the location as a candidate for the drive path, superimposed on the layer model.

10. A method for performing additional processing on a workpiece, which is carried out by an additional processing device, The process involves supplying powder material to a workpiece with a laser head and irradiating the workpiece with laser light to perform a layering process on the workpiece, An additive processing method comprising the step of cleaning at least a portion of the powder material remaining on the workpiece during at least a portion of the lamination process.

11. An additive machining program executed by an additive machining device, The aforementioned additional processing apparatus is A laser head capable of performing a lamination process on a workpiece by supplying powder material to the workpiece and irradiating the workpiece with laser light, The laser head is driven by a drive unit, The aforementioned additive processing program is provided to the additive processing apparatus. The drive unit and the laser head are controlled to perform a process of stacking and processing the workpiece, An additive processing program that, during at least a portion of the process of performing the lamination process, performs a process of cleaning at least a portion of the powder material remaining on the workpiece.

Images