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Engineered Machine Applications
Three model B rivet setters are used with a twelve fixture index table and four vibratory
feeder placement devices. Small, hard to handle parts are automatically placed on each
fixture and sensed for presence before the contacts are set. If any part or contact is
missing, the machine will stop. An air jet unloads the completed assembly.
Two Model 500B’s mounted on a special base to rivet an 18” satellite dish.
The parts to be riveted are positioned in a locating fixture and the riveting machines
are adjustable to accommodate parts of various sizes. A version of this machine is used
to assemble loose leaf binders.
Model 2610 and 2620 Riveters are mounted at 15° angles to a 48 inch 12 station index
table, to set 2 rivets in a tubular assembly. Sensors indicate part presence and low
rivet supply. Pick off unit automatically removes completed assembly.
Special under-feed for a large shoulder rivet makes it possible to obtain the economies
of riveting even though there is insufficient clearance to drive a rivet in the conventional
manner.
Unusual tube feeding attachment and shuttle table speed the assembly of battery terminal
covers. A special vibratory feeder orients and discharges a specially designed collar
type fastener that becomes a terminal post.
Rivets are inserted in ball bearing retainers at the rate of up to 7000 per hour by
this National machine. Retainers are placed on indexing nests on each side of the machine
and the nests are positioned automatically under the Model B Riveter.
This example of a specially designed National Riveter sets four very small rivets at
the same time, two vertically, and two horizontally. It rivets the cover and the clip
of automotive ash trays in a single operation.
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