IP Library Granted Patent US 10,478,892
Granted Patent B2
US 10,478,892 · App. 15/109,514 · Granted Nov 19, 2019

Additive manufacturing process distortion management

Inventors: Sergey Mironets (Charlotte, NC); Lexia Kironn (Rocky Hill, CT); Joe Ott (Enfield, CT); Louis Porretti (Plantsville, CT)
Assignee: United Technologies Corporation
B22F3/1055B29C64/153B29C64/20B29C64/386B33Y10/00B33Y30/00B33Y50/02B22F2003/1056B22F2003/1057
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Quick Facts
Patent No.
US 10,478,892
App. No.
15/109,514
Granted
Nov 19, 2019
Kind
B2
Abstract

A method is provided for additive manufacturing. This method includes monitoring a current to a recoater blade. The monitored current is compared to a predetermined current. An operation is initiated in response to the monitored current exceeding the predetermined current. Another method for additive manufacturing includes comparing a movement of a recoater blade to an expected movement. A single exposure sequence is initiated in response to movement of the recoater blade being different than an expected movement. An additive manufacturing system is also provided which includes a recoated blade and a control. The control is operable to identify resistance to movement of the recoater blade.

Claims (15)

1. A method of additive manufacturing, comprising:

monitoring a current to a recoater blade and providing a monitored current load indicative thereof;

comparing the monitored current load to a predetermined current value; and

initiating a single exposure sequence in response to the monitored current load exceeding the predetermined current.

2. The method as recited in claim 1 , wherein the single exposure sequence operates a laser.

3. The method as recited in claim 1 , wherein the single exposure sequence restrains movement of the recoater blade.

4. The method as recited in claim 1 , further comprising initiating an ultrasonic impact treatment in response to the monitored current load exceeding the predetermined current value.

5. The method as recited in claim 1 , further comprising identifying where the monitored current load exceeds the predetermined current.

6. The method as recited in claim 1 , wherein the single exposure sequence operates an electron beam.

7. A method of additive manufacturing, comprising:

monitoring a current to a recoater blade and providing a monitored current load indicative thereof;

comparing the monitored current value to a predetermined current value; and

initiating an ultrasonic impact treatment in response to the monitored current load exceeding the predetermined current.

8. The method of claim 7 , further comprising identifying where the monitored current load exceeds the predetermined current.

9. The method of claim 8 , further comprising initiating a single exposure sequence in response to the monitored current load exceeding the predetermined current.

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 Jul 1, 2016
From: MIRONETS, SERGEY; KIRONN, LEXIA; OTT, JOE; PORRETTI, LOUIS
To: UNITED TECHNOLOGIES CORPORATION
Reel/Frame 039064/0129 →
Continuity (2)
Provisional Application 61923070 · Jan 2, 2014
Related Publication 20160325503A1 · Nov 10, 2016
Cited By (1)
US 12,491,563