Neff Press Custom Applications: Indexing
75-TON BONDING PRESS
Heavy-Duty Index Unit
Over-sized Dial Plate
Heated tool platens at each dial station
Guided tool mounting plate with heated sub-plate
Final Product: Automotive Transmission Filter
 Our
Mission: Neff's customer required a press that would apply 400
degrees of heat and uniform pressure over a part with a large surface.
Complicated by the requirement that the heated surfaces needed to
move in order to preheat and to achieve required productivity, this
was accomplished by integrating an index unit and robotic pick and
place units with a Neff press. Providing the motion to the heated
platens was difficult. A further complication was an extremely short
cycle time requirement.
The Solution: A specially designed press with a frame that
was significantly modified to house the large index unit and dial.
The dial material is aluminum versus steel in order to minimize
the amount of weight that the index unit will be required to drive.
A slip-ring assembly is mounted in the middle of the index dial
to distribute the power to the heaters within the platen assembly
at each index station. Each of these platen's temperature is controlled,
monitored, and displayed with electronics within the main electrical
enclosure. The hydraulic power unit is also upgraded to accomplish
the required press cycle time.
The sequence of the application begins with robotic units placing
components at each of the first three stations. The index unit then
positions an assembly under the moving platen and the ram devices
and dwells under pressure for the pre-programmed time and then retracts.
The finished (and hot) assembly then indexes to the next station
for automatic unload. The press is capable of producing a finished
part every 3.7 seconds.
Project: Multiple Special 7-Ton Bench Model Presses with servo
index unit
Final Product: Automotive Brake Drum Assemblies
 Our
Mission: To provide several presses to stake studs into automotive
brake drums. The application was complicated because of different
diameter rotors with varying numbers of studs. A single press will
be tasked to stake studs into two different diameter drums, each
requiring a different number of studs.
Our Solution: Neff designed a press that integrates a special,
servo-driven indexing unit capable of stopping at up to 360 stations.
This is ideal for our customer’s application as we programmed
the appropriate number of stops to fit each different brake drum.
Our customer simply chooses the appropriate program with a thumbwheel
input and the press is pre-programmed for the number of studs to
be staked into the particular brake drum.
In order to handle the different diameters of brake drums, the
indexing unit is adjusted in or out with a crank handle (this manual
process can be automated). Our customer cranks the unit in or out
to match the particular drum diameter with a scale present to assist
in positioning the index unit based upon the part diameter.
Neff has over 40 years of experience manufacturing, engineering
and integrating industry standard components to solve customers
manufacturing needs. Contact Neff Press at 800-325-8612 for further
details on this application or on many others.
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