Manufacturing method for finishing of ceramic cores flash

Patent metadata

Field	Value
Publication number	US-11318527-B2
Application number	US-201816972632-A
Country	US
Kind code	B2
Filing date	Jun 19, 2018
Priority date	Jun 19, 2018
Publication date	May 3, 2022
Grant date	May 3, 2022

Abstract

A method of manufacturing for finishing ceramic core flash. Locating a first hole on a ceramic core by a laser sensor on a robot. Probing for a center of the first hole by a force-torque sensor on the robot. Scanning for an axial position of a second hole on the ceramic core. Scanning for a third hole on the ceramic core. Probing for a center of the third hole. Determining axial and radial scale factors based on the first hole location and the third hole location. Uploading the axial and radial scale factors to the robot Multiplying the X component position by the axial scale factor and the Z component position by the radial scale factor in an array format. Cutting a designated scaled location along the ceramic core to remove flash. Repeating process for additional scaled locations along the ceramic core.

First claim

What is claimed is:

1. A method of manufacturing for finishing of ceramic core flash, the method comprising:
locating a first hole on a ceramic core by a laser sensor on a robot;
probing for a center of the first hole by a force-torque sensor on the robot;
scanning for an axial position of a second hole on the ceramic core;
scanning for a third hole on the ceramic core;
probing for a center of the third hole;
determining an axial and a radial scale factors based on the first hole location and a location of the third hole;
uploading the axial and the radial scale factor to the robot;
multiplying a X component position by the axial scale factor and a Z component position by the radial scale factor in an array format;
cutting a designated scaled location along the ceramic core to remove flash; and
repeating process for additional scaled locations along the ceramic core.

2. The method of manufacturing of claim 1 , wherein the ceramic core is for a component within the power generation industry.

3. The method of manufacturing of claim 1 , wherein the designated scaled location is a trailing edge, root slot, or a leading edge of a ceramic core of a turbine blade.

4. The method of manufacturing of claim 1 , wherein the cutting of the designated scaled location along the ceramic core is processed in an oval shape.

Assignees

• Siemens Ag
• Siemens Energy Global Gmbh & Co Kg

Inventors

• Troyer Timothy
• Garcia-Antunez Gabriela
• Bruce Robert
• Belling Andrew
• Richerson Lara
• Bibb Douglas

Classifications

• F05D2230/211

  by precision casting, e.g. microfusing or investment casting · CPC title

• B22C9/10 Primary

  Cores; Manufacture or installation of cores {(breaker cores B22C9/084)} · CPC title

• F01D5/187

  Convection cooling · CPC title

• B22C9/18 Primary

  Finishing · CPC title