|
|
Article: A custom program instead Of a custom fixture.(Rapid Traverse: Metalworking Technology In Brief)
- Article from:
- Modern Machine Shop
- Article date:
- December 1, 2005
- Author:
CopyrightCOPYRIGHT 2005 Gardner Publications, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
|
In five-axis machining, if the programmed tool paths are free to move, then it may be possible to avoid expensive fixturing.
For example, some CNCs can adjust the location and orientation of the X-Y-Z coordinate system. The part is set up reasonably close to its expected position, with the machine using the spindle probe to measure the part's actual location and orientation. The control then adjusts the machining program's coordinate system accordingly, translating and rotating the coordinate axes to adapt the program to the actual part position. Thus, there is no need to use complex, expensive custom fixturing to hold the part precisely where the program expects ...