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Rotary Plus Axial and Elliptical Vibration Ultrasonic Drill

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N68335-23-C-0497
Agency Tracking Number: N231-026-1207
Amount: $140,000.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: N231-026
Solicitation Number: 23.1
Solicitation Year: 2023
Award Year: 2023
Award Start Date (Proposal Award Date): 2023-06-22
Award End Date (Contract End Date): 2023-12-22
Small Business Information
555 Quince Orchard Road Suite 510
Gaithersburg, MD 20878-1464
United States
DUNS: 960861958
HUBZone Owned: No
Woman Owned: Yes
Socially and Economically Disadvantaged: No
Principal Investigator
 James Bartlett
 (301) 355-0488
Business Contact
 Jennifer Duan
Phone: (301) 200-8368
Research Institution

The US Navy seeks an innovative process for fastening carbon fiber-reinforced polymers (CFRP) for military aircraft and target drones.  A single aircraft may have many fastener locations necessitating a robust, rapid fastening process. To address the critical need, X-wave Innovations, Inc. (XII) proposes to develop a rotary plus axial and elliptical vibration ultrasonic drill (RAE UD).  The proposed RAE UD leverages XII-developed ultrasonic technology and knowledge to create a CFRP drilling technique free from delamination and splintering.  The drilling technique utilizes elliptical vibration along with rotary ultrasonic machining (RUM), which have both been proven to improve machining performance, tool wear rate, and surface quality.  The key innovation of the proposed RAE UD technology is to utilize ultrasonic vibration in all three directions in addition to rotation of the diamond core drill to achieve a high-quality hole in CFRPs.  The proposed RAE UD does not require any coolant for the process and is therefore not at risk of contaminating the CFRP.  After the RAE UD creates a hole in the CFRP, any type of aircraft fastener, such as rivets, blind rivets, bolts, etc., can be used to fasten the pieces together.

* Information listed above is at the time of submission. *

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