A New Method for Assembling Hemispheres Joint Design and Production Tooling

A simplified method for assembling ammunition items -- which normally would require a threading, welding, crimping, or similar method for joining component parts -- was developed by the Ammunition Engineering Directorate's Application Engineering Laboratory. By machining or forming the proper c...

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Bibliographic Details
Main Author: Homko,Joseph C
Format: Report
Language:English
Subjects:
Aerial Bombs
ASSEMBLY
BOMBLETS
DIES
HEMISPHERICAL SHELLS
MACHINE SHOP PRACTICE
MACHINE TOOLS
Machinery and Tools
MANUFACTURING
METAL JOINTS
Mfg & Industrial Eng & Control of Product Sys
PRODUCTION CONTROL
TOLERANCES(MECHANICS)
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Description
Summary:A simplified method for assembling ammunition items -- which normally would require a threading, welding, crimping, or similar method for joining component parts -- was developed by the Ammunition Engineering Directorate's Application Engineering Laboratory. By machining or forming the proper configuration at interface of mating parts, items can be assembled by applying pressure axially in a standard press operation. The unique feature of this method is utilizing the components themselves as a tool to produce a curl interlock that has excellent holding characteristics. (Author)