FULLY AUTOMATED PRODUCTION OF SEROLOGICAL PIPETTES

A global medical device company, which produces and sells, among other things, serological pipettes made of polystyrene, needed a replacement for one of its existing production lines. The company approached Metzner Maschinenbau GmbH with its requirements for the new production line and then received machinery individually tailored to its wishes. This now offers numerous advantages over the previous solution and convinces with a large product variety and short set-up times. It was particularly important to the customer that the material coming from the upstream extrusion line, which is characterised by great hardness, is treated extremely carefully due to its brittle nature. This is because as soon as the polystyrene shows even the smallest of cracks, the produced part is already scrap.

The extruded material is first scored with the aid of several rotary cutting heads, then broken and finally deposited in collecting containers. The cycle time for four parts is only 1.5 seconds. For the production of short lengths (up to 120 mm), the cycle time is extended to approximately three seconds.

Fully automated processing line

The special Metzner development is a fully automatic machinery consisting of a contact-free loop control, an automatic cutting machine and a crushing station with storage system. It can produce polystyrene pipettes with diameters from 4 to 25 mm and lengths from 100 to 700 mm. Our product video will give you an insight into the machining process.