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Introducing: RM77 “REVOLVER” Thermoformer

20.09.2016 - OMV proudly introduces its RM77 “REVOLVER” Thermoformer

The RM77 is a brand new concept: a fully automatic, in-mould trimming thermoforming machine, as any OMV former, designed to produce heavy or light plastic cup and tubs… but with a special “twist” in it.

RM stands for Revolving Mold.
The machine’s tools are made of three semi-molds, a female and two males, placed on the same vertical axis. The female half operates at full cycle speed (start position to end position and back), while the two male halves complete their cycle every two cycles of the female half. The formed material remains in the cavity for an additional cycle, which improves part quality, while having two cavity sets allows for the increase in production speed. Featuring a single delivery point, OMV integrated a simple stacking and part-handling system into the new machine.

RM77 features both a large forming area and a very high cycle speed. It is designed to reach world-record 174,000 cups per hour when producing Ø71 mm PP drinking cups This is the first machine to break the barrier of 50 cycles per minute with PP cups, a major step forward in thermoforming technology.

 

 

 

The machine can process a wide range of materials, such as PS, PP, PLA, PET and multilayer sheet. It is mainly intended for the production of a vast range of tapered cups and tubs, round and square, but it is excellent for thermoforming of high-precision PP deep objects at very high output.

The forming area of RM77 is 770× 480 mm, its cutting force is 57 tons. It can fit 51 cavities on a Ø70.6 mm PP drinking cup, with an effective speed upto 57 strokes/min.

The mould movement is driven through a torque motor. All the other movements (index, cutting, stacking) are controlled through a set of servomotors driven by an axis control system and a PLC. The system is designed for top performances in terms of speed, precision, safety.
The machine is equipped with a quick mould changing system, fast air/water connections and a quick mould exit from the forming/cutting station (less than 6 hours for a complete mould change-over, from stop to restart).

About OMV:

OMV Machinery, founded in 1963, is today part of the Swiss group Wifag-Polytype. Located in Verona, Italy, it designs and manufactures thermoforming machines, moulds, extrusion lines and different types of automations.

OMV presents itself as a worldwide leader in the thermoforming sector, with the unique feature of being a “one-stop-shop for Process and Technology”, taking full responsibility on complete lines and “tailor made” solutions.

OMV offers flexible solutions, high quality standards, and high technical concepts. Its “cutting edge” developments resulted in dozens of international patents.

Among these, OMV stands out today for:

  • T-IML: Thermoformed In Mould Labelling systems
  • Shuttle forming machines
  • Joint development of the new PEF bioplastic, in cooperation with Avantium/YXY (NL)

With the addition of OMV to its know-how and competence portfolio, Polytype can offer today complete solutions for thin-wall plastic processing from the raw material till the formed and printed container.


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