An assembly includes a fixture including an opening shaped to receive a portion of a turbine engine component. A non-metallic cover is placed over at least a portion of the fixture. The cover facilitates reducing metal to metal contact of the fixture and the turbine engine component when the turbine
An assembly includes a fixture including an opening shaped to receive a portion of a turbine engine component. A non-metallic cover is placed over at least a portion of the fixture. The cover facilitates reducing metal to metal contact of the fixture and the turbine engine component when the turbine engine component is installed in the fixture, and facilitates reducing scratching of the turbine engine component.
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1. An assembly used in performing a manufacturing process on a turbine engine component, the assembly comprising: a fixture including a fixture opening shaped to receive a portion of a turbine engine component; anda non-metallic cover positioned over at least a portion of an external surface of the
1. An assembly used in performing a manufacturing process on a turbine engine component, the assembly comprising: a fixture including a fixture opening shaped to receive a portion of a turbine engine component; anda non-metallic cover positioned over at least a portion of an external surface of the fixture, wherein the non-metallic cover is visible when positioned over the at least a portion of the external surface of the fixture; wherein the fixture has a top surface, a front surface, and a side surface, and the non-metallic cover has a top surface, a front surface, and a side surface, and the top surface, the front surface, and the side surface of the non-metallic cover are positioned over the top surface, the front surface, and the side surface of the fixture, respectively. 2. The assembly as recited in claim 1 wherein the fixture is metal and the non-metallic cover is made of glass filled nylon. 3. The assembly as recited in claim 1 wherein the fixture includes a fixture alignment feature and the non-metallic cover includes a cover alignment feature, and the fixture alignment feature and the cover alignment feature position the non-metallic cover relative to the fixture. 4. The assembly as recited in claim 1 wherein the turbine engine component is a turbine blade. 5. The assembly as recited in claim 1 wherein the turbine engine component includes a base, and the base has a shape corresponding to a shape of the fixture opening. 6. The assembly as recited in claim 1 wherein the fixture includes a fixture projection in the fixture opening and the non-metallic cover includes a cover projection that substantially aligns with the fixture projection when the non-metallic cover is installed on the fixture. 7. The assembly as recited in claim 6 wherein the non-metallic cover is positioned over a front portion of the fixture, and the turbine engine component is installed in the fixture from the front portion such that the turbine engine component is first guided by the cover projection and is then guided by the fixture projection. 8. The assembly as recited in claim 6 wherein turbine engine component includes a base having a groove, and the cover projection is received in the groove as the turbine engine component is installed in the fixture to guide the turbine engine component relative to the cover. 9. The assembly as recited in claim 6 wherein turbine engine component includes a base having a groove, and the fixture projection is received in the groove as the turbine engine component is installed in the fixture to guide the turbine engine component relative to the fixture. 10. The assembly as recited in claim 6 wherein the fixture projection comprises two fixture projections and the cover projection comprises two inwardly tapering cover projections, wherein each of the two fixture projections substantially align with one of the two inwardly tapering cover projections. 11. A cover to protect a turbine engine component installed in a fixture during a manufacturing process performed on the turbine engine component, the cover comprising: a non-metallic body positioned over at least a portion of an external surface of a fixture, wherein a turbine engine component is installable in the fixture, and the non-metallic body is visible when positioned over the at least a portion of the external surface of the fixture; wherein the fixture has a top surface, a front surface, and a side surface, and the non-metallic cover has a top surface, a front surface, and a side surface, and the top surface, the front surface, and the side surface of the non-metallic cover are positioned over the top surface, the front surface, and the side surface of the fixture, respectively. 12. The cover as recited in claim 11 wherein the non-metallic body is made of glass filled nylon. 13. The cover as recited in claim 11 including a cover projection that guides the turbine engine component during installation of the turbine engine component in the fixture. 14. The cover as recited in claim 13 wherein the cover projection comprises two inwardly tapering cover projections. 15. The cover as recited in claim 11 including an alignment feature that aligns the cover relative to the fixture. 16. A method of performing a manufacturing process on a turbine engine component, the method comprising the steps of: positioning a non-metallic cover over at least a portion of an external surface of a fixture, wherein the non-metallic cover is visible when positioned over the at least a portion of the external surface of the fixture; andinstalling a turbine engine component in a fixture opening of the fixture; wherein the step of positioning the non-metallic cover over the at least a portion of the external surface of the fixture includes positioning the non-metallic cover relative to the fixture such that a top surface, a front surface, and a side surface of the non-metallic cover is positioned over a top surface, a front surface, and a side surface of the fixture, respectively. 17. The method as recited in claim 16 further including the step of performing a manufacturing process on the turbine engine component after the steps of positioning the non-metallic cover over the at least a portion of the external surface of the fixture and installing the turbine engine component in the fixture opening of the fixture. 18. The method as recited in claim 17 wherein the step of performing the manufacturing process includes laser drilling the turbine engine component. 19. The method as recited in claim 16 wherein the step of installing the turbine engine component includes the step of sliding the turbine engine component relative to the fixture, wherein the non-metallic cover first guides the turbine engine component and the fixture then guides the turbine engine component. 20. The assembly as recited in claim 3 wherein the fixture alignment feature is a circular head and the cover alignment feature is a hole that receives the circular head, and the circular head is visible when the non-metallic cover is positioned over the at least a portion of the external surface of the fixture. 21. The assembly as recited in claim 4 wherein the fixture is not a turbine rotor. 22. The assembly as recited in claim 4 wherein the turbine blade is received in the fixture opening of the fixture for manufacturing procedures prior to being received in a slot in a turbine rotor. 23. The method as recited in claim 16 including the step of aligning the non-metallic cover with the fixture by locating an alignment feature of the fixture in a hole of the non-metallic cover, and the alignment feature is visible when the non-metallic cover is positioned over the fixture. 24. The method as recited in claim 17 including the steps of removing the turbine engine component from the fixture opening of the fixture after the step of performing the manufacturing process on the turbine engine component and installing the turbine engine component in a slot in a turbine rotor. 25. The method as recited in claim 24 wherein the turbine engine component is a turbine blade.
Capriotti, Daryl Paul; Herbold, John William; Holmes, James Bradford; Smith, Michael Alan; Trimmer, Andrew Lee, Method for electro-chemical machining turbine wheel in-situ.
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