The "Autonomous cell"

The first autonomous workshop concept

(PresseBox) ( Schopfloch, )
At the HOLZ-HANDWERK trade fair, HOMAG demonstrated a workshop that runs completely autonomous for the first time. The workshop consists of two cells that are already fully automated and interlinked. These two cells are connected by an autonomous helper: An automated guided vehicle (AGV) was used, organizing all of the parts logistics tasks between the cells and making this workshop concept the first "autonomous cell" at HOLZ-HANDWERK.
The "autonomous cell" can make full use of its flexibility both in skilled crafts and in industry, in series and in batch size 1 production, and opens up previously unknown possibilities in future manufacturing for small and medium-sized companies.

CELL 1
High-tech edges with integrated workpiece handling

Ideally suited for users with the widest range of parts and materials in edge processing: The EDGETEQ S-500 (previously KAL 370) edge banding machine, in combination with the LOOPTEQ O-600 return (previously TFU 521), offers maximum flexibility. The two elements are networked with each other by the woodFlex cell control system. This control system has a modular structure, is open for future requirements or expansions, provides safety, optimizes processes and increases efficiency. To ensure the cell can process every workpiece correctly, every part is assigned a digital identity (barcode) in advance that contains all processing data.

High-tech edges: Flexibility³

The new EDGETEQ S-500 offers a degree of flexibility that has never been seen before: It is able to process three profiles and also provides three different edge-joining processes at the same time.

High processing flexibility and setup at the push of a button are often used as "adjustment screws" to increase productivity. The new 3-profile technology is ideally suited to this. It ensures rapid, automatic and repeatable changes between three profiles and 20° chamfer. The "3-profile technology package" includes a fine-milling unit for three radii, the 3-profile head on the FK30 profile trimming unit and profile scraper for more than three radii. If someone wants to change the procedure for gluing the edges (PU, EVA or airTec zero-joint technology) at short intervals, they can now operate all three edge band application procedures on a single machine (for example, airTec can automatically be changed to EVA at the push of a button).

Integrated, automated workpiece handling

The fully automated part flow for the EDGETEQ S-500 is handled by the LOOPTEQ O-600 workpiece guide roller. Here the automatic return has been combined with a stacking system, which means that finished workpieces can be ejected or automatically destacked. Ejection and destacking are completed by the gantry with width-specific rotating function and the newly developed vacuum cross rail for gentle handling. The return is designed for a range of parts from 240x80 mm to 1200x3000 mm and integrated into the machine control unit of the edge banding machine.

The advantages of integrated workpiece handling


Quality costs are reduced thanks to the gentle vacuum cross rail
Flexible personnel organization thanks to single-person operation
Reduced physical exertion by personnel
High-performance interlinked material flow
Efficiency: defined rotation for process-oriented parts return
Fully integrated into the machine control unit (powerTouch)


CELL 2
Robot management on vertical CNC processing machine

Availabilities of approximately 100%, high repeat accuracy and pinpoint parts handling: Robots are reliable partners and increase the cost-effectiveness of production. The reliable, integrated parts supply makes every CNC machine a high-performance center and therefore an optimal manufacturing cell for production.

At the HOLZ-HANDWERK trade fair, a 6-axis robot handled automated parts for the DRILLTEQ V-500 (previously BHX 200) vertical processing center. Integration into the cell control system makes it very easy to operate the robot. Additionally, functions such as aligning, validating and rotating of parts can easily be integrated into the process. It is also very simple to implement new workpieces during the process.

The advantages of robot management


Space-saving concept
Gentle handling of materials and surfaces
Reduces workload for personnel
High technical availability and rising added value
Parts can be identified by barcode or RFID


CELL 3
Flexible interlinking by driverless transport systems

A small, autonomous logistics helper connected the two fully autonomous operating cells and made a workshop that operates completely independently: An automated guided vehicle (AGV) was used, supplying the drilling cells with stacks from the edge cells that have been processed to completion.

The complete sequence: the material flow in the cell


Automated edge cell:

Labelling of each workpiece with an individual barcode
Edging of the parts 1 to 4 times. Return transport by LOOPTEQ O-600 (previously TFU 521)
Destacking of the parts by stacking system of the LOOPTEQ O-600


Automated guided vehicle (AGV): Transports the stacks with finished edges to the robot feed station of the CNC robot cell (if this is occupied, the AGV transports the stack to a buffer position)

CNC robot cell: The robot loads the DRILLTEQ V-500 (previously BHX 200) with the parts with finished edges
The robot then destacks the parts with finished drilling/doweling


AGV: Transports the stack with finished edges and drilling/doweling to a buffer position and moves an empty load receiver from the robot loading area to the robot destacking area
AGV: Transport of the next stack with finished edges to the loading area of the CNC robot cell (either from the buffer or from the stacking system of the LOOPTEQ O-600)
Simultaneously, additional AGVs load the stacking area of the LOOPTEQ O-600 with a new, empty load receiver


SOFTWARE
Smart networking of the cells with the automated guided vehicles (AGV)

The HOMAG ControllerMES production control system is the key to networked communication in the cell. It communicates universally with the individual control systems of the automated edge cell and the CNC robot cell, as well as with the control system of the AGV. Here the "AGV cell control system" (AGV = automated guided vehicle) is used. This is closely connected with a fleet manager, which takes over the entire planning of the AGV driving routes.

The advantages of the "autonomous cell"


Combination of process knowledge about wood processing and AGV technology
Material management from one source
Ready for connection to the tapio ecosystem
Flexible interlinking of processing cells: Spatial flexibility, no rigid interlinking by roller conveyors
Fast response times: Simple, subsequent changes of the product range and processing sequence
Scalable and modular: Simple, subsequent expansion is possible
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