Safety & Work-Zone Control — Smrack Safety Fence, Safety Bar, and Intrusion Alarm: Work-Zone Rules for Sheet Storage
Smrack is an 11-layer single-tower vertical sheet storage system for standard 2500 x 1250 mm sheets and 3-ton-per-shelf loading. Its front fence, safety bar, and intrusion alarm define the handling zone, while teach-in operation and controller alarms keep the crew on a clear routine. This page explains what protection is built in, what training the team still needs, and where this scheme fits—or does not fit.
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- Tipo di prodotto
- 11-layer single-tower vertical sheet storage system
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- Standard sheet size
- 2500 x 1250 mm
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- Shelf capacity
- 3 tons per layer
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- Drive and control
- Servo motor with reducer, touch screen, and Omron controller
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- Safety scope
- Front safety fence, safety bar, intrusion alarm, fault diagnosis, and protection

01
The fence sets the hard boundary
The front safety fence and safety bar create a fixed line between the aisle and the transfer zone. That matters because Smrack is built for repeated movement across 11 layers with 3-ton shelves: when the carriage is moving, the risk is not only load weight, but also an unexpected entry into the work area. The fence makes the boundary visible, physical, and easy to enforce in daily production.

02
Warnings only work when they stay visible
The safety-marking zone turns the boundary into a routine. Floor marks, entry rules, and waiting positions tell the crew where to stand before start-up and where not to cross during motion. In a shift-based factory, this is what keeps the same rule in force for different operators. The markings are not decoration; they are part of the operating discipline that supports the fence and the safety bar.

03
Alarm logic turns intrusion into a stop decision
Smrack uses a touch screen and Omron controller with teach-in memory, fault diagnosis, alarms, and protection. If the protected area is entered or an abnormal condition appears, the system is designed to alarm and protect the process instead of letting movement continue blindly. The training rule is simple: only authorized operators should clear alarms, and every reset should follow the plant's lockout, confirmation, and handover procedure.

04
Training is the second safety layer
Safe operation depends on both hardware and people. Because Smrack moves standard sheets in an 11-layer tower, the team must learn start and stop checks, access authorization, pre-shift inspection, and the correct response when an alarm sounds. Scope also matters: the current scheme does not support single-sheet independent access or direct automatic coupling with a laser cutting machine. If your process depends on either of those, this is not the right promise; if you need protected bulk storage with clear separation, it fits the job.
- For safety managers who need a visible, enforceable boundary around sheet transfer and storage.
- For team leaders who need a repeatable training standard for shifts, alarm resets, and restricted access.
Daily pre-start checklist for fence, bar, and alarm checks
Need a line-fit review for PDP-07?
If your factory wants to confirm whether Smrack's front fence, safety bar, and intrusion alarm match your operating rules, review PDP-07 and align the training checklist before release to production.
Use PDP-07 to verify safety scope and operator duties.


