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Packaging Machinery: safe filling, packing, palletizing, ...

Safety in system: Protection for man and machine - under this motto, the Schmersal Group develops and produces safety switching appliances and systems for the entire machinery and plant construction for decennia already. In some industries, special and additional requirements are applicable.
As customer-focussed company, who intensively deals with the wishes of the manufacturer and users of machines, Schmersal has taken up these challenges from the start. As a result, specific products and solutions were developped for many industries and for some of them, an own portfolio has been developped as well.

High performance, high pace

A traditional industry, on which the Schmersal Group focuses, is the packing machinery construction. In this industry, machinery and plants are often operated at high pace with short cycle times. They are frequently integrated in the entire production and/or packaging lines as well. This has major consequences for the selection and the design of safety systems:

  • The safety guards must not interrupt the production cycles nor affect the productivity of the plants.
  • They must run with highest reliability.

Highest availability

The safety switchgear from the Schmersal Group are characterised by a long life-time even under unfavourable conditions and when operated 24/7. Many series, especially those, which are preferably used in the packing machinery industry, are designed so that any stop of the machine is avoided when possible.

An example: safety sensors, safety switches and solenoid interlocks equipped with the Schmersal-patented CSS technology detect the slightest misalignment of the guard door and transmit a corresponding message to the control or the master display. The user then can realign the guard door before it become misaligned to such extent that for instance the safety sensor no longer responds to the actuator, thus preventing the start-up of the machine.

Quick troubleshooting

Packing machinery accomplish highly complex process cycles, in part with highly filigree materials. Some machine types therefore tend to present failures more often than others, where the processes are more stable due to the applied materials and work cycles.

Safety solutions from Schmersal can be configured to enable a fast and safe elimination, for instance of jammed materials. The protection against tampering thereby plays an important role as well.

Experience exchange in the Packaging Excellence Center

The Schmersal Group has contacted manufacturers of food-processing machinery in order to exchange experiences, so that Schmersal was able to guarantee the highest level of practical experience both during the development of new switchgear and during the individual consultancy.

Schmersal is also member of the "Packaging Excellence Center" (PEC). This Centre of Competence for the packaging and automation technology joins the leading German companies of the packing machinery construction.


During the packing of foodstuff and pharmaceutical products, special hygienic requirements must be observed as well. For the different hygienic zones (dry zone, splashing zone, wet zone and aggressive zone), Schmersal offers solutions, which meet the "Hygienic Design". These solutions also include safety sensors, which can be smoothly cleaned due to the smooth surfaces of the sensor and the actuator and which are moreover suitable for concealed mounting. Depending on the requirements of the application, the safety switchgear are accordingly approved and certified in accordance with the foodstuff technology standards (Eco-lab, 3A Sanitary, FDA etc.).

More information

Dust-explosion protection

When filling and packing organic dusts, the regulations regarding the dust-explosion protection must be observed. This applies both to foodstuff in powder form, pharmaceutics and animal feedstuff. The Schmersal Group offers a comprehensive programme of switchgear for automation and machinery safety, which is tested and certified in accordance with the ATEX and IECEx Directives.

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