ACTIV Systems: Super High Density Dynamic
Storage Technology
 ACTIV is Super High Density Dynamic
Storage technology that moves unit loads in a continuous
flow. ACTIV assigns
the
unit loads into a path and subsequently through the system
rather than to a static location within the system, as with
conventional S/R operations.
Retrotech ACTIV systems are continuous flow systems for
unit load and roll handling. Cross docking, work-in-process,
and distribution applications are all within the scope of
ACTIV.
Retrotech ACTIV Systems deliver value for supply chain systems by:
 speeding the receiving process
accurately managing inventory
automatically replenishing pick slots for case and layer
internally managing staging for truckloads, and
speeding up the truck loading and dock door operations
 View our ACTIV Case Studies
Basic Components
ACTIV's patented technology is
based on four basic components:
Rack Structure
Vertical Transfer Lift (VTL)
Deep Lane Transfer (DLT)
Cross-Aisle Transfer (CAT)
Rack Structure
Although ACTIV's Rack Structure
physically resembles that of a drive-through rack structure,
it is designed
specifically to accommodate ACTIV's VTL's, DLT's and CAT's.
Vertical Transfer Lift (VTL)
This is the
device used to move unit loads between levels. VTL's allow
rows of deep
lanes to be stacked on top of each other to create a multi-level
system.
Deep Lane Transfer (DLT)
 This is the mechanical
cart used to transport the loads to a rack position within
a deep
lane. Each lane has the dedicated DLT cart, which is equipped
with a steel deck that allows its load to be raised or
lowered as necessary. Whenever a load is onboard, the cart
runs with
its deck in the raised position; without a load, it runs
with its deck in the lowered position. The cart operates
by means of a cable-lift mechanism located under the deck.
These driving and lifting cable systems operate independently.
Cross-Aisle
Transfer (CAT)
This is the
mechanical device used to index loads perpendicular (cross
aisle) to the deep
lanes. The CAT is timing-belt driven and its drive mechanism
is located at the end of its CAT lane. When positioned
in line with a DLT lane, the CAT's base serves as an extension
of the rack, thus allowing loads to be easily transferred
between the devices. To transfer a load from the CAT, the DLT cart positions
itself beneath the load raising its deck to lift the load
off the CAT's base. It then transports the load out of the
CAT and down the lane. To reverse the operation, the DLT
moves into position in line with the CAT lowering its deck
to set its load onto the CAT's base.
ACTIV's software calculates the optimum path for each load
and the system's basic components work in unison to move
that load through the system in the most efficient possible
manner. Because all controls and devices are located outside
the rack structure area, they are easier to access for maintenance
purposes. This is especially beneficial for such controlled
environments as coolers, freezers, and hot rooms where the
controls and drives can be positioned outside the controlled
environment.
Activ Systems PDF Files
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