RFI-Motor Components_1 SEP 26.pdf

REQUEST FOR INFORMATION (RFI) / SOURCES SOUGHT MC090126

PRECISION METAL MOTOR COMPONENTS FOR SMALL UNMANNED AIRCRAFT

SYSTEMS (sUAS)

Originating Office: Department of the United States Army, Tobyhanna Army Depot (TYAD), Tobyhanna, PA 18466 CUI Category: Controlled Unclassified Information / Controlled Technical Information (CUI//CTI) Distribution Statement C: Distribution authorized to U.S. Government agencies and their contractors (CTI; FEDCON) as of 06 May 2026. Other requests for these documents shall be referred to Tobyhanna Army Depot.

1. DISCLAIMER & IMPORTANT NOTES

This Request for Information (RFI) is issued solely for informational, market research, and planning purposes. It does not constitute a Request for Proposal (RFP) or a promise to issue an RFP in the future. This RFI does not commit the U.S. Government to contract for any supply or service whatsoever.

Respondents are advised that the U.S. Government will not pay for any information or administrative costs incurred in response to this RFI; all costs associated with responding will be solely at the interested party’s expense. Not responding to this RFI does not preclude participation in any future RFP, if issued.

2. INTRODUCTION & PURPOSE

Tobyhanna Army Depot (TYAD) is conducting market research to identify qualified, capable, and interested industrial sources capable of manufacturing and delivering precision-machined metal components utilized in small Unmanned Aircraft Systems (sUAS) electric propulsion Brushless Direct Current (BLDC) motors.

The purpose of this RFI is to gauge industry capability, lead times, quality management systems, and cost drivers for two specific BLDC motor hardware suites: the 3115 BLDC Motor Series and the 2807 Motor Series. The manufacturing process requires highly precise multi-axis CNC milling and turning, specialized grinding, threading, knurling, and rigorous adherence to strict military coating and finish specifications.

3. SCOPE OF REQUIREMENT

The government requires the fabrication, inspection, finishing, and delivery of seven (7) unique component designs across two motor assembly series. These components must be manufactured in accordance with the TDP (Technical Data Package) engineering drawings.

3.1 Component Master Matrix

The following table summarizes the seven components to be produced under this inquiry:

Drawing No. Component Name Motor

Series Base Material Primary Finish Requirement

D1- 67390D

Motor Rotor Cap, 3115 3115 6061-T6 Aluminum

Alloy MIL-A-8625 Class II Black Anodize

D1- 67391D Motor Base, 3115 3115 7075-T6511 Aluminum

Alloy MIL-A-8625 Class II Black Anodize

D1- 67392D Motor Shaft, 3115 3115 17-4 PH ASM5643

Stainless Steel Passivation

D1- 67395D

Motor Magnet Ring, 3115 3115 1020 Mild Steel DOM

Tubing Copper Electroplate &

MIL-F-495

D1- 67398D

Motor Rotor Cap, 2807 2807 6061-T6 Aluminum

Alloy MIL-A-8625 Class II Black Anodize

D1- 67399D Motor Base, 2807 2807 7075-T6511 Aluminum

Alloy MIL-A-8625 Class II Black Anodize

D1- 67400D Motor Shaft, 2807 2807 17-4 PH ASM5643

Stainless Steel Passivation

D1- 67403D

Motor Magnet Ring, 2807 2807 17-4PH ASM5643

Stainless Steel Passivation

4. TECHNICAL SPECIFICATIONS & EXTRACTED DRAWING DATA

To assist industry partners in evaluating their capabilities, high-level summaries of the design geometry, critical features, and material challenges have been compiled below:

4.1 3115 BLDC Motor Series Components

A. Motor Rotor Cap, 3115 (DWG No: D1-67390D, Rev 0)

• Base Material: 6061-T6 Aluminum Alloy.

• Surface Finish: MIL-A-8625, Class II, Black Anodize.

• Component Description: A lightweight, high-speed rotating cap requiring precise balancing. It features pocketed cutouts, a central bore, and an outer ring requiring a specialized knurled surface.

B. Motor Base, 3115 (DWG No: D1-67391D, Rev 0)

• Base Material: 7075-T6511 Aluminum Alloy (high-strength, zinc-alloyed structural aluminum).

• Surface Finish: Class II, Black Anodize.

• Component Description: A structural motor base featuring a multi-stepped mounting post, locating shoulders, a flat flange plate, and a four-hole bolt pattern.

C. Motor Shaft, 3115 (DWG No: D1-67392D, Rev 0)

• Base Material: 17-4 PH ASM5643 Stainless Steel (precipitation-hardened, high-toughness steel).

• Component Description: A stepped drive shaft featuring precision-ground bearing seats, both internal axial and external radial threads, and a specialized knurled section.

D. Motor Magnet Ring, 3115 (DWG No: D1-67395D, Rev 0)

• Base Material: 1020 Mild Steel ASTM A513 Type 5 DOM (Drawn Over Mandrel) Tubing.

• Surface Finish: Copper Electroplate followed by MIL-F-495 "Blackmagic" chemical blacking.

• Component Description: A thin-walled ferromagnetic cylindrical ring designed to house rotor magnets.

4.2 2807 Motor Series Components

E. Motor Rotor Cap, 2807 (DWG No: D1-67398D, Rev 0)

• Base Material: 6061-T6 Aluminum Alloy.

• Surface Finish: MIL-A-8625, Class II, Black Anodize.

• Component Description: A scaled rotor cap optimized for the 2807 frame size. It features a lightweight multi-spoke design, central alignment counterbores, and a knurled rim.

F. Motor Base, 2807 (DWG No: D1-67399D, Rev 0)

• Base Material: 7075-T6511 Aluminum Alloy.

• Surface Finish: MIL-A-8625, Class II, Black Anodize.

• Component Description: A compact structural stator-mounting base featuring, a mounting base offset, and four tapped holes.

G. Motor Shaft, 2807 (DWG No: D1-67400D, Rev 0)

• Base Material: 17-4 PH ASM5643 Stainless Steel.

• Surface Finish: Passivate.

• Component Description: A stepped precision-ground drive shaft utilizing a straight knurl, dual threading (internal M3 and external M5), and multiple intricate micro-chamfer transitions.

H. Motor Magnet Ring, 2807 (DWG No: D1-67403D, Rev 0)

• Base Material: 1020 Mild Steel ASTM A513 Type 5 DOM (Drawn Over Mandrel) Tubing.

• Surface Finish: Copper Electroplate followed by MIL-F-495 "Blackmagic" chemical blacking.

• Component Description: A thin-walled ferromagnetic cylindrical ring designed to house rotor magnets.

5. CAPABILITY & MANUFACTURING CHALLENGES

The Government is specifically interested in the respondent’s ability to address several key technical challenges inherent to these components:

1. Tight Dimensional Tolerances: Ability to maintain sub-thousands of an inch precision on high-speed rotating components, such as press-fit rotor caps, and concentricity requirements down to inches.

2. Exotic Surface Finishes & Plating: Experience and facilities to execute multi-stage surface treatments, in particular:

o MIL-A-8625 Class II Black Anodize on 6061-T6 and 7075-T6511 aluminum.

o Passivation of 17-4 PH ASM5643 stainless steel.

o Copper Electroplate followed by MIL-F-495 "Blackmagic" chemical blacking on the 1020 mild steel magnet ring.

3. Complex Geometry & Micro-Features: Precision machining of fine-pitch outer knurls, straight shaft knurls with tight displacement controls, complex micro-chamfer transitions, and deep-tapping blind micro-holes in tough alloys.

6. INFORMATION REQUESTED FROM INDUSTRY

Interested firms are requested to submit a Capability Statement (not exceeding 10 pages) addressing the following focus areas:

6.1 Corporate & Administrative Information

1. Company Name, Address, Website, and Point of Contact (Name, Title, Email, Phone Number).

2. Commercial and Government Entity (CAGE) Code and Unique Entity ID (UEI).

3. Business Size status (e.g., Large, Small, HUBZone, SDVOSB, WOSB) under NAICS code 332710 (Machine Shops) or other relevant manufacturing codes.

6.2 Manufacturing & Technical Capabilities

1. Machining Equipment: Describe the machine tools (e.g., multi-axis CNC Swiss-turns, mill-turn centers, precision cylindrical grinders) that would be utilized to achieve the required tolerances and surface profiles.

2. Knurling Expertise: Explain your process for executing straight knurls and fine-pitch knurling while controlling material displacement to hold final OD tolerances.

3. In-House vs. Subcontracted Processes: Specify which of the following operations would be performed in-house versus subcontracted to certified vendors:

o Precision CNC Turning/Milling o ID/OD Grinding o Heat Treating (specifically for 17-4 PH stainless steel) o Plating and Finishing (Anodizing, Copper Electroplating, Passivation, MIL-F-495 Chemical Blacking)

4. Model-Based Definition (MBD): Describe your capability to utilize 3D CAD/PRT files to program CNC machinery and verify undimensioned profile tolerances (inches).

6.3 Quality Assurance & Inspection

1. Is your facility certified to ISO 9001:2015 or AS9100D? If not, describe your quality management system.

2. Detail your inspection capabilities for measuring critical internal bores, runout/concentricity tolerances, and surface roughness. Specify the metrology equipment (e.g., CMM, optical comparators, surface profilometers) to be used.

6.4 Market Experience & Capacity

1. State your estimated lead times for producing a first-article prototype batch (e.g., 5 to 10 units of each part) and your maximum monthly production capacity for high-rate production (e.g., 5,000+ units per month).

7. SUBMISSION INSTRUCTIONS

Responses to this RFI must be submitted electronically to the Tobyhanna Army Depot Point of Contact (POC) listed below:

• Submittal Deadline: Monday, September 14, 2026 1:00PM EST

• Delivery Format: PDF Document or Microsoft Word Document via Email.

• Email Subject Line: Response to RFI MC090126 - [Company Name]

• Government POCs: Steven Wiltz (steven.wiltz.civ@army.mil), Corey Katsak (corey.d.katsak.civ@army.mil), Jessica Mchugh (jessica.l.mchugh.civ@army.mil)