Technical cleanliness in the screwdriving process

to reduce particles on working pieces

Technical cleanliness in assembly processes is becoming increasingly more important. There are numerous reasons: Apart from optical reasons, dirt particles impair the hygiene and functionality.

Requirements for technical cleanliness in automated screwdriving and feeding processes move thus into focus. We consider the four main factors that may influence technical cleanliness in screwdriving processes: the fastening element, the work piece, the screwdriving system  and the screwdriving environment.

Depending on these factors, as well as customer requirements, we design the screwdriving system individually for our customers.

Number of particles with and without particle sluice

Components that increase Technical Cleanliness in the screwdriving process

Screwdriving units with vacuum tool

Due to the vacuum in the screwdriving system the particles are extracted off the fastening element and channeled into a filter.

Feed unit channel feeder 100

The system works without vibration and sorting air current. Each screw is sorted only once.

Feed unit segment feeder

The system works without any vibration. By using a hopper and a fill level control the number of fasteners int he bowl can be kept down.

Feed unit step feeder

Only the rail of the singling mechanism vibrates in order to bring the fastening elements into the correct sorting position. By using a hopper and a fill level control the number of fasteners can be kept low.

Particle sluice

A particle sluice is installed before the nose piece in the feed hose. Adhering particles are extracted and channeled into a filter, The screw is transported further on. The whole process lasts only a split second.

Pick and place systems

Pick and place systems work without any vibration or sorting air current. They have to be placed in close proximity of the screwdriving system.

Feeding from a magazine

Magazines are used in robotic systems or in systems with positioning axles. Fasteners are fed from the feed unit into the magazine. The systems work without transport air current.

Extraction

In the case of contamination caused by the manufacturing process or the material, dirt particles can be extracted from the work piece or the screwdriving environment and channeled into a filter.

 

 


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