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GM Multi-Spindle Automatic Turning Machines. (GM Product Line).


The GM series (six and eight spindle spindle: see spinning.


A rotating shaft in a disk drive. In a fixed disk, the platters are attached to the spindle. In a removable disk, the spindle remains in the drive. Laptops use spindle designations to indicate the number of built-in drives.
 automatic turning machines) has been designed to achieve highest precision. Up to 4 CNC (Computerized Numerical Control) See numerical control.

CNC - Collaborative Networked Communication
 cross slides can be utilized for internal and external contour contour or contour line, line on a topographic map connecting points of equal elevation above or below mean sea level. It is thus a kind of isopleth, or line of equal quantity.  turning as well as thread chasing.
Technical Data                             GM 16-6  GM 20-6  GM 35-6

Spindle pitch circle diameter max.    in.     0.63     0.79      1.4
Number of spindles                               6        6        6
Spindle pitch circle diameter         in.      6.5      7.1       11
Compound slide traverse longitudinal  in.      1.8        2      2.8
Side slide traverse                   in.      1.1      1.7      2.4
Longitudinal slide travese            in.      2.5      3.4      4.7
Max. Speed                            rpm    9,000    5,000    4,000
Main drive                             hp     14.7     14.7     24.1
Rapid traverle time                     S      0.4      0.7        1

Technical Data                        GM 42-6  GM 35-8       GM 70 CNC

Spindle pitch circle diameter max.        1.7      1.4             2.8
Number of spindles                          6        8           3 + 1
Spindle pitch circle diameter              11     13.2            12.6
Compound slide traverse longitudinal      2.8      2.8  Z1 - Z2 = 22.2
Side slide traverse                       2.4       20   X1 - X2 = 6.1
Longitudinal slide travese                 47      3.9               -
Max. Speed                              2,700    4,000           3,000
Main drive                               29.5     29.5       18.1/12.1
Rapid traverle time                       1.2        1             2.5

Technical Data                           GMF 175 CNC

Spindle pitch circle diameter max.           6.9 (*)
Number of spindles                             3 + 1
Spindle pitch circle diameter                   12.6
Compound slide traverse longitudinal  Z1 - Z2 = 22.2
Side slide traverse                    X1 - X2 = 6.1
Longitudinal slide travese                         -
Max. Speed                                     3,000
Main drive                                 18.1/12.1
Rapid traverle time                              2.5

(*)Chuck
COPYRIGHT 2001 Gardner Publications, Inc.
No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 2001, Gale Group. All rights reserved. Gale Group is a Thomson Corporation Company.

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Comment:GM Multi-Spindle Automatic Turning Machines. (GM Product Line).
Publication:Automotive Design & Production
Article Type:Brief Article
Geographic Code:1USA
Date:Aug 1, 2001
Words:277
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