AIA/NAS - Aerospace Industries Association of America Inc.
适用范围
"Purpose This specification provides a standard for the manufacture@ performance@ inspection and procurement of a series of numerically controlled@ wide bed@ vertical spindle@ milling machines. These machines will have skin or profile milling capability or both. This standard lists minimum requirements and is not to limit design advances. This specification@ as written@ depicts a traveling gantry machine but does not preclude a traveling table machine. Classification These machines shall be of the following types@ sizes@ classes and number of axes. Type I. Two independent spindles II. Two fixed spindles III. Three fixed spindles IV. Four fixed spindles V. One Gantry VI. Two Gantries Note: Customer may specify two spindle carriers@ each carrier having multiple spindles. Size I. Small@ 96"" wide II. Medium@ 120"" wide III. Large@ 144"" wide IV. Extra large@ 168"" wide Class I. High speed spindle@ non-ferrous II. Wide range spindle ferrous and non-ferrous Number of Axes I. Three axes II.Four axes III. Five axes "