Modified tool holder and tool post permit alignment of turret lathe cutting tools on the center of the spindle. The tool is aligned with the spindle by the holder which is kept in position by a hydraulic lock in feature of the tool post. The tool post is used on horizontal and vertical turret lathes and other engine lathes

Fouts, L.

English

NASA Technical Reports Server

Position For Horizontal 
Turret Lathe 
Pisi 
Cuttin 
M 
May 1966
	
Brief 66-10191 
NASA TECH BRIEF 
NASA Tech Briefs are issued to summarize specific innovations derived from the U. S. space 
program and to encourage their commercial application. Copies are available to the public from 
the Clearinghouse for Federal Scientific and Technical Information, Springfield, Virginia 22151. 
Tool Post Modification Allows Easy Turret Lathe Cutting-Tool Alignment 
The problem: 
Cutting tools on turret lathes must be aligned on the 
center of the spindle. Long operation causes the turret 
ramways to wear, resulting in tool misalignment. 
Proper alignment requires time-consuming adjust-
ments of the tool angle. 
The solution: 
Modify the existing tool holder to allow the neces-
sary alignment, independent of the cutting-tool angle
adjustment, and design the tool post with a hydraulic 
lock-in feature to keep the tool holder in position. 
How it's done: 
The tool holder is modified to accommodate two 
adjustment screws that move the tool holder up or 
down along the tool post until the tool is aligned with 
the spindle as required. 
The tool post contains a hydraulic system which, 
once the cutting tool is aligned with the spindle, is 
(continued overleaf) 
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Aeronautics and Space Administration. Neither the United States 	 information contained in this document, or warrants that such use 
Government nor any person acting on behalf of the United States	 will be free from privately owned rights.
https://ntrs.nasa.gov/search.jsp?R=19660000190 2020-03-11T17:31:51+00:00Z
actuated by a valve to transmit pressure to a piston. 
The piston in turn bears against the tool holder, lock-
ing it in place. 
Notes: 
1. The tool post can be used on horizontal and verti-
cal turret lathes and other engine lathes. 
2. Inquiries concerning this innovation may be di-
rected to:
Technology Utilization Officer 
Marshall Space Flight Center 
Huntsville, Alabama, 35812 
Reference: B66-10191
Patent status: 
No patent action is contemplated by NASA. 
Source: Lee Fouts
of North American Aviation, Inc.

under contract to

Marshall Space Flight Center

(M-FS-58 1) 
Brief 66-10191	 Category 05


Tool post modification allows easy turret lathe cutting-tool alignment

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