AIA NAS912

INACTIVE FOR NEW DESIGN * SEE NAS380

Purpose

This specification provides a standard for the manufacture,performance, inspection and procurement of a series of spar millingmachines to meet aerospace manufacturing requirements. Thisstandard lists minimum requirements and is not to limit designadvances.

Classification

The machines shall consist of AIA Class IV numericallycontrolled spar mills with two sizes (widths) of machines availablefor each class, with equipment and accessories herein to beavailable at the option of the customer. The machine shall be ofthe standard gantry type as per this specification equipped withcombination of one or more of the carriages.

Type

I – (2) horizontal twist heads

II – (2) vertical twist heads

III – Any combination of horizontal twist and vertical twistheads (6.1.1)

NOTE: See Figures 1 and 2, Sheets 38 and 39 for standard headnumbering system and axis nomenclature.

Size

Small – 36″ work space

Large – 48″ work space

Class

I – Aluminum cutting spar mill

II – Combination aluminum and steel cutting spar mill(6.1.3)

Edition:

5

Published:

05/31/2012

Number of Pages:

44

File Size:

1 file , 3.1 MB