DLA MIL-B-80153B CANC NOTICE 1: BRAKE MACHINE, SHEET METAL, POWER OPERATED (STANDARD TYPE AND BOX-PAN TYPE)
SDO: DLA: DLA Aviation - Richmond
DOD Adopted ANSI Approved Approved
This specification covers floor mounted bending brakes used for bending sheet metal and light plate. All machines covered herein are equipped with a power operated bending leaf (apron).
This specification covers bending brakes of the following types and classes, and of the sizes shown in tables I and II The type, class and size supplied shall be as specified (see 6.2.1). In the following classification, the "clamping" method denotes the method by which the workpiece is clamped in position during the bending operation, and the "top leaf adjustment" denotes the method by which the top leaf is adjusted to compensate for the workpiece thickness.
Type I - Standard Brakes Class 1 - Manual clamping with manual top leaf adjustment Class 2 - Air clamping with manual top leaf adjustment Class 3 - Air clamping with powered top leaf adjustment Type II - Box and Pan Brakes Class 2 - Air clamping with manual top leaf adjustment Class 3 - Air clamping with powered top leaf adjustment
Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Defense Industrial Plant Equipment Center, Memphis, Tennessee 38114, by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter.
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