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The motor case magnet gluing machine is a fully automatic
assembly machine capable of installing 600 sets of magnets into motor
cases per hour.

The
purpose of this machine is to glue magnets on the inside of small electric
motor cases automatically and reliably. This was accomplished with the
use of a programmable robot for accurate positioning with an additional
programmable rotator attached for dispensing the glue onto the outside
of the magnets. All of this is centrally controlled by the use of an Allen
Bradley SLC 500 processor.
Description of Machine:
The
motor case magnet machine is built from structural steel tubing. The
main work area consists of an aluminum dial where the tooling is mounted.
The dial is rotated by a Camco Indexer having 24 stations. There are
two different fixtures at each station. The collapsible fixture which
holds the magnets and the timing nests which hold the motor cases.
Incorporated in the machine is a glue dispensing pump and induction
heat coils to cure the glue. The last station of this machine is an
automated quality control station which checks for proper magnet placement
and a push test sequence to measure strength of glued-in magnets.
Machine will then unload parts with a slide and drops into one of
three areas distinguishing between good parts, parts positioned incorrectly,
and parts that failed the glue-push-out test. Good parts are then
transferred to an attached conveyor cooling tunnel with a parts accumulation
table at the very end. |
Operation:
The
operator installs a motor casing in a timing nest and a pair of magnets
into a collapsible fixture. The main disc sequences every 6 seconds automatically.
Each time the disc indexes, the operator installs another set of parts.
When the magnets get to the glue station, gluing nozzles are positioned
around the magnets to affix the proper amount of glue tot he magnets.
On the next index station, a robot moves the motor casing from the timing
nest and places the casing over the glued magnets. The next 6 stations
take the glued casings through heating induction coils to fast-cure the
glue. Once cured, the casings are unloaded into the testing station and
passed through a sequence of automatic tests (per customer requirements),
thus completing the process.
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