AIA/NAS - NAS978
Numerically Controlled Machining Center (Combination Drilling, Boring, Milling, and Tapping Machines)
| Organization: | AIA/NAS |
| Publication Date: | 1 January 1983 |
| Status: | inactive |
| Page Count: | 21 |
scope:
Purpose
This Specification provides a standard for the design, performance requirements, inspection and procurement for combination machines numerically controlled, with work positioning, and tool selection. This is a minimum standard and is not intended to limit or inhibit advanced designs.
Classification
The machine shall be the following type, and class of N/C control, size and group as ordered by the procuring agency.
Types:
Type I Three-axis machine (X, Y, Z) with 369-station index table. Class IV continuous path control.
Type II Four-axis machine (X, Y, Z and B), the B axis controlling a contouring table. Class IV continuous path control.
Type III Five-axis machine (X, Y, Z, A, and B or C). Class IV continuous path control.
Sizes:
Small - as listed in Table 1
Large - as listed in Table 1
intended Use:
The machine described by this specification is intended for use in the aerospace manufacturing industry.Machine is for point-to-point positioning and/or contour milling, drilling, tapping and... View More
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