Rotoplex Ro

This product line has almost achieved cult status. The concept and the sturdy machine design make it ideal for any cuttable material – especially if high cutting forces and high throughput rates are required. Although the classic in ALPINE's granulator range, it is upgraded continually to accommodate the latest technology.

Sizes from 15 – 500 kW
Patented cross-scissor cut
Solid spheroidal graphite cast iron design
High specific cutting capacity for maximum throughputs
Special designs available
Optimal product feeding characteristics

60 years of Rotoplex!

Celebrate this anniversary with our competition!

To celebrate the 60th birthday of our Rotoplex granulator, we have come up with something very special! A competition.

We are looking for THE “Oldest Rotoplex granulator still in operation”!
It's worth taking part: The winner will receive a service package worth up to €2,000!

How does it work?

Have you read the conditions of participation for the competition? By submitting your documents for the competition, you accept these conditions of participation.
Send us an e-mail to gewinnspiel-rotoplex(at)alpine.hosokawa.com with a picture of the machine in operation AND a detailed picture of the machine's nameplate.
Make sure that all details are clearly recognizable in the pictures.
In addition to the two pictures, please also leave us your contact details (company name, address, contact details of the person submitting the picture) so that we can contact you easily.
Closing date: 01.09.2025, 8:00 am CET
We will be presenting the oldest Rotoplex at this year's K trade fair (from October 8 - 15, 2025) - at our recycling stand in Hall 9 / C34

Let's go! We look forward to receiving your Rotoplex photos!

We are making history!

60 years of Rotoplex: Technical innovation to perfection

Who can claim that their system has been on the market for over six decades? We can!

The starting signal for this decisive development was given years earlier.
We have compiled an overview of the biggest technical developments at Rotoplex here:

1954: The first machine with a horizontal rotor was constructed and the name Rotoplex was registered as a trademark for the first time
1956: The first machine with a vertical rotor was developed
1965: The Alpine Rotoplex Ro granulator rolls off the production line in its “current” form with a vertical rotor for the first time in Augsburg
seit 1965: Introduction & Export to markets worldwide
1972: The Rotoplex is used for the first time for shredding cable waste
1984: Further development with patented cross-shear cut (lower load peaks and even wear)
1988: Development of the largest rotor diameter in Rotoplex history to date: the Alpine Rotoplex Ro 125/125
2003: Further development of the Rotoplex for wet grinding operation
2024: Optimization of the rotor for recycling fibres and textiles
2025: Around 8,000 systems sold worldwide

Certificate of registration of the Rotoplex trademark in 1954

Development of the cross-scissor-cut rotor

Patent application for the cross-shear-cut rotor in 1984

über 8.000 gelieferte Schneidmühlen seit 1965 — Rotoplex production in Augsburg

Principle of operation

This product line has almost achieved cult status in Alpine's granulator range. It is characterised by an extremely powerful and robust design, incorporating the Alpine cross-scissor cut rotor. High-grade spheroidal graphite cast iron in GGG-40 quality ensures that even in continuous heavy-duty operation, the Rotoplex granulators do their job reliably over many years.

Features

Rotors in patented Alpine cross-scissor-cut technology
Compact design
Easy to clean
Excellent value for money
Also available in stainless steel

Applications

All kinds and shapes of plastic waste, especially film, lumps, profile scrap, flakes, etc.
Natural and synthetic caoutchouc, vulcanised rubber
Cable scrap: copper cables, aluminium cables, lead cables, electronic scrap, etc
Cuttable materials: fibres, glass-fibre waste, leather, paper

Universal in use for all cuttable materials such as plastics, film, fibres, rubber, leather, etc.

Designs

Rotor and machine housing in fracture-resistant cast iron
Removable cover, cutting chamber easily accessible for cleaning or knife and screen change
Rotor knives can be used on 1 side
Stator knives can be used on 4 sides
Open rotor directly mounted to the reinforced motor shaft
Available with standard or tangential chute

Conditions of participation for competition

Brochure Rotoplex Ro