Dukane Dual Servo Spin Welder 403570-01 - Manual (Page 112)

Dual Servo Spin Welder User’s Manual
Dukane Manual Part No. 403-570-01 Page 10
Tool and Fixture Design
The most important aspect of tool and fixture design is
that it is safe. Please note that using tools not provided
by Dukane may result in voiding of the warranty
– consult Dukane for details.
Several aspects should be considered when tooling is
not purchased from Dukane:
tool nest should be designed such that part being
held is firmly retained in the tool so that it does
not fall out before being welded
tool should surround part being held where pos-
sible – the exterior of the tool should be a con-
tinuous cylindrical surface (i.e. avoid protruding
parts)
rotational play between tool and part should be
minimized – this will affect the angular orienta-
tion accuracy and repeatability
tool should be as light as possible to allow for
rapid deceleration and to keep machine energy
consumption to a minimum
tool should be balanced as accurately as possible
to avoid excessive machine vibration and bearing
wear
bottom fixture should grip the part firmly to
maintain accurate weld orientation and prevent
undesirable vibrations during welding
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