IP Library › Granted Patent US 9,656,335
Granted Patent B2
US 9,656,335 · App. 14/200,853 · Granted May 23, 2017

Broach tool rake face with a tailored surface topography

Inventors: Tahany I. El-Wardany (Bloomfield, CT); Wayde R. Schmidt (Pomfret Center, CT)
Assignee: United Technologies Corporation
B23D43/02B23P15/42B23D2043/025B23F21/24B23F21/26Y10T407/16
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 9,656,335
App. No.
14/200,853
Granted
May 23, 2017
Kind
B2
Abstract

A broach tool includes a broach tool rake face with a tailored surface topography.

Claims (33)

1. A method for manufacturing a broach tool comprising:

identifying an application regime for which a tailored surface topography is to be used;

determining the tailored surface topography for the application regime, the tailored surface topography including a combination of depressed wells, microchannels, grooves, pockets, dimples, pyramids, and ovals to be formed in a broach tool rake face of the broach tool and selected to control a coefficient of friction between the broach tool rake face and a workpiece;

selecting an appropriate processing method to form the tailored surface topography in the broach tool rake face; and

forming the tailored surface topography in the broach tool rake face using the processing method.

2. The method as recited in claim 1 , further comprising:

identifying a high speed, low load application regime relationship.

3. The method as recited in claim 1 , further comprising:

identifying a high-medium speed and medium load application regime relationship.

4. The method as recited in claim 1 , further comprising:

identifying a low-medium speed and high load application regime relationship.

5. The method as recited in claim 1 , further comprising:

determining a shape factor for the tailored surface topography.

6. The method as recited in claim 1 , further comprising:

determining a pitch, pattern design for the tailored surface topography.

7. The method as recited in claim 1 , further comprising:

determining an orientation for the tailored surface topography.

8. The method as recited in claim 1 , further comprising:

selecting a high energy deposition method to form the tailored surface topography.

9. The method as recited in claim 8 , further comprising:

selecting a cold spray method to form the tailored surface topography.

10. The method as recited in claim 8 , further comprising:

selecting a kinetic metallization method to form the tailored surface topography.

11. The method as recited in claim 8 , further comprising:

selecting a plasma deposition method to form the tailored surface topography.

12. The method as recited in claim 8 , further comprising:

selecting an electron-beam based method to form the tailored surface topography.

13. The method as recited in claim 1 , further comprising:

alternating between subtractive and additive processing methods to form the tailored surface topography.

14. The method as recited in claim 1 , further comprising:

determining a density and a distribution of the pockets as a function of the broach tool speed based on the application regime.

15. The method as recited in claim 1 , further comprising:

determining at least one shape of the pockets based on the application regime and the processing method.

Assignments (4)
CHANGE OF NAME Recorded Jul 27, 2023
From: RAYTHEON TECHNOLOGIES CORPORATION
To: RTX CORPORATION
Reel/Frame 064714/0001 →
CORRECTIVE ASSIGNMENT TO CORRECT THE AND REMOVE PATENT APPLICATION NUMBER 11886281 AND ADD PATENT APPLICATION NUMBER 14846874. TO CORRECT THE RECEIVING PARTY ADDRESS PREVIOUSLY RECORDED AT REEL: 054062 FRAME: 0001. ASSIGNOR(S) HEREBY CONFIRMS THE CHANGE OF ADDRESS. Recorded Mar 4, 2021
From: UNITED TECHNOLOGIES CORPORATION
To: RAYTHEON TECHNOLOGIES CORPORATION
Reel/Frame 055659/0001 →
CHANGE OF NAME Recorded Sep 4, 2020
From: UNITED TECHNOLOGIES CORPORATION
To: RAYTHEON TECHNOLOGIES CORPORATION
Reel/Frame 054062/0001 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 7, 2014
From: EL-WARDANY, TAHANY I.; SCHMIDT, WAYDE R.
To: UNITED TECHNOLOGIES CORPORATION
Reel/Frame 032379/0224 →
Continuity (2)
Provisional Application 61775128 · Mar 8, 2013
Related Publication 20140255112A1 · Sep 11, 2014