MIL-HDBK-660B
CONTENTS
SECTION Page
1. SCOPE 1
1.1 Scope ............................................................................................................................................ 1
1.2 Purpose of handbook..................................................................................................................... 1
1.2.1 Purpose of handbook 1
1.2.2 Design............................................................................................................................................ 1
1.2.3 Part or identifying number (PIN) .................................................................................................... 1
1.2.4 Marking.......................................................................................................................................... 3
2. APPLICABLE DOCUMENTS ..................................................................................................................... 5
2.1 |
General.......................................................................................................................................... |
5 |
2.2 |
Government documents................................................................................................................. |
5 |
2.2.1 |
Specification, standards, and handbooks ...................................................................................... |
5 |
2.2.2 |
Other Government documents, drawings, and publications........................................................... |
5 |
2.3 |
Non-Government publications ....................................................................................................... |
5 |
2.4 |
Order of precedence...................................................................................................................... |
5 |
3. DEFINITIONS (not applicable) ................................................................................................................... 7
4. GENERAL REQUIREMENTS (PREPARATION FOR BENDING AND TWISTING)................................... 7
4.1 Fabrication of template .................................................................................................................. 7
4.1.1 Template materials ........................................................................................................................ 7
4.1.2 Conforming template shape........................................................................................................... 7
4.2 Annealing....................................................................................................................................... 7
4.2.1 Annealing brass waveguide........................................................................................................... 8
4.2.2 Filling with gas before annealing( optional).................................................................................... 8
4.2.3 Annealing aluminum waveguide .................................................................................................... 8
4.3 Filling ............................................................................................................................................. 8
4.3.1 Alloy method.................................................................................................................................. 8
4.3.2 Rosin method................................................................................................................................. 9
4.4 Bending fabrication ........................................................................................................................ 9
4.4.1 Pines bending machine.................................................................................................................. 10
4.4.1.1 Draw bending ........................................................................................................................... 11
4.4.1.2 Metal mandrel........................................................................................................................... 11
4.4.1.2.1 Plug mandrel ............................................................................................................................ 11
4.4.1.2.2 Formed mandrel ....................................................................................................................... 12
4.4.1.2.3 Ball mandrel.............................................................................................................................. 12
4.4.1.2.4 Cable mandrel .......................................................................................................................... 12
4.4.1.2.5 Universal mandrel..................................................................................................................... 13
4.4.1.2.6 Small line mandrel.................................................................................................................... 13
4.4.1.3 Mandrel selection ..................................................................................................................... 13
4.4.1.4 Improper tooling and setting ..................................................................................................... 13
4.4.1.5 Lubrication................................................................................................................................ 15 iii
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