The difference is in connecting mechanics, power and diagnostics well.
The photos show a line with many stations, drives, reels and an integrated control panel. The story highlights the D&D value: electrical engineering, wiring, field signals, control logic and functional testing.
Control panelsDrivesWiringTestingMachine side
Line overviewTube line with reels and integrated panel
Technical reading
Challenge, solution and operational result.
A case study isn't just a gallery: it links context, technical choice and operational result to show where D&D creates value.
01 · Challenge
Challenge
Bring order to motors, signals, field devices and panel without making testing difficult.
02 · Solution
Solution
A wired panel with drives, organised components, traceable wiring and coordinated line control.
03 · Result
Result
A system more ready for commissioning, with readable components and maintenance less dependent on a single technician's memory.
Visual case study
What you see, what you don't.
The visible part of the line is only half the project. Explore the plant: behind every component there's the automation you don't see.
01 / 04
Reels and feed
What you see
The reels that feed the tube along the line's work stations.
What you don't see
The pull and synchronisation management that keeps the material at constant tension from one station to the next.
02 / 04
Drive units
What you see
The motors and drive units of the individual work stations.
What you don't see
The PLC logic that coordinates speeds and phases, so the whole line works as a single system, not separate machines.
03 / 04
Line HMI
What you see
The operator panel on the line, on the control panel.
What you don't see
The diagnostics that take you straight to the right station or alarm, without hunting for it by hand along the whole line.
04 / 04
Control panel
What you see
The electrical panel integrated on the plant.
What you don't see
Drives, protections and wiring designed and labelled to make testing and maintenance simpler and less dependent on one technician's memory.
Hover the numbered points — or tap them on mobile — to read what's behind the scenes.
In depth
The line, step by step.
The tube line isn't a single machine but many stations that have to work in sync. Here's how D&D turned it into an orderly, testable system, step by step.
01 — Electrical schematic
The schematic first, then the steel.
Before assembly we defined supplies, drives, I/O, protections and terminal blocks. A clear electrical architecture on paper makes everything else simpler: wiring, testing and maintenance start from a readable schematic, not from improvisation.
02 — Panel wiring
An orderly panel is tested sooner.
The panel is assembled and wired in an orderly, labelled way, with components organised and internal checks done. A readable panel is one that is tested sooner and maintained better, without depending on a single technician's memory.
03 — Line integration
Every station becomes one system.
Motors, sensors, controls and machine-side devices are connected and made consistent with the control logic. Each station of the line becomes part of a single system, with physical signals that match what the PLC expects.
04 — Testing
Validated before it reaches production.
Before delivery we verify sequences, alarms, drives and restart conditions with functional tests. Start-up at the customer begins from a solid base, with behaviour already validated, reducing surprises in the field.
Visual documentation
Photos, interfaces and details that make the project readable.
The images highlight the overall view, line axis, open panel and power wiring.
Related projects
Experiences to read together.
Consistent links by technology, sector or type of intervention.
