Correction
Units
| Vertical
Spindle type balancing machines, when used in production
environments for parts such as flywheels, pulleys, brakes,
impellers, and the like are often equipped with an integral
correction unit. A variety of devices can be used to
both add and remove material depending on the part.
By having the correction device mounted directly on
the balancing machine, valuable cycle time is saved
by not having to take the part off for unbalance compensation.
The following photos illustrate some of the correction
devices that are available. |
|
 Riveting
This
photo shows a clutch plate being balanced. The machine
classifies the unbalane levels according to the various
size correction weights to be used., in this case-
rivets. The part is automatically at the exact locations
of the pre-existing holes, and lights up the weight
bin corresponding to the exact rivet or rivets to
be used.
|
|
 UO
Drill
This machine features a horizontally mounted drill
press for unbalance correction by radial drilling.
The drill can be provided for manual or automatic
drilling.
|
|
 UG
Drill
Vertical drill presses for axial drilling, such
as this, are available in several sizes as well as
for manual or fully automatic operation. On automatic
versions, the machine calculates the number and depth
of the correction holes and positions the unbalance
location under the drill. Cycle times depend on the
amount of unbalance in the part, but not production
rates of 2-3 parts per minute can be achieved.
|
|
 TFM
This machine for balancing pump impellers uses
a manual milling machine for unbalance removal. The
mill plunges into the part to a pre-determined depth.
Then, using a special rotary fixture, the part is
rotated through a calculated arc to remove the exact
amount of unbalance in each part. This process can
also be automated for higher production rates.
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