Vertical form, fill and seal machine (tubular bag machine)

Vertical tubular bag machine + Servo Auger Dosing

Rovema VPX 250/400 Flow Wrapper, completely overhauled, including repainting in RAL 9007, Siemens S7 machine control and operation, in the following version:

- Machine was completely refurbished for the project in 2020-2021
- Repainting in RAL 9007 (silver gray, stainless steel look)
All wear parts new
- New main drive (Lenze)
- Completely enclosed machine design
- Central lubrication system
- Overload protection for motors
- Film roll carrier with quick-change tensioning system
- New film transport motor
- Film transport via belt take-off, with new natural rubber take-off belts
- Film travel correction via cross adjustment device
- Sick KT-5W photocell (self-learning) for print mark control with printed wrapping materials
- Photocell adjustment
- Film end warning

Machine equipped with a sealing system for heat-sealable packaging Packaging materials
(including paper/bonding films 60-100µ), including:
- Cross sealing jaws 270 mm
- Horizontal cross sealing jaw ribbing 12.0 x 2.0 mm / to be determined based on the film sample
- Longitudinal seam sealing jaw 420 mm
- Temperature control via machine control, including monitoring
- Sealing temperatures are set via Siemens program and saved for each program
- New, pneumatically controlled film cutting knife

Cross sealing safety device in conjunction with automatic machine return
Safety switch for protective device, film end, CO cover
New Lexan® safety door, in combination with machine stop

New Siemens machine control system (S7-1510 TIA), including:
- 50 program memories for all packaging parameters
- Siemens Touch Panel KTP-700 (6 inch)
- Electronic camshaft (clock generator)
- Switching of all Machine functions and extras
- Synchronization with dosing
- Menu and button texts in German
- Fully assembled in a new control cabinet (Rittal)

Performance: Flat tubular bags: up to a maximum of 80/min.
Block-bottom bags: up to a maximum of 55/min.
Depending on bag format, film thickness, contents, dosing, and synchronization

Bag format range: Flat width: 70-250 mm (1 format set required per bag width)
Pull-off length: 80-400 mm, continuously adjustable/programmable;

Film rolls: Max. roll width: 535 mm
Core diameter: 76.2 mm (standard)
Max. roll diameter: 400 mm (standard)

Dimensions (HxWxD) = approx. 1,950 x 1,500 x 2,000 mm (depth with full film roll)
Weight: approx. 1,150 kg

Rovema SDX servo screw dosing system, completely overhauled (refurbished), including repaint RAL 9007,
Siemens servo drive and screen control, with the following features:

- Dosing system completely overhauled: all mechanical wear parts replaced, all electronic components replaced
- Dosing system housing repainted in RAL 9007 (silver gray / stainless steel look)
- Siemens Sinamics servo drive (new) for dosing screw
- Lenze drive (new) for agitator

- Operation and programming via Siemens touch panel Flow-wrapping machine:

Dosing unit height adjustable over 150 mm
Dosing unit rotatable for easy cleaning and format changes
Including hopper (approx. 35 liters), made of cast aluminum, separable
Including Endress-Hauser Nivotaster in the inlet hopper for level monitoring
Including agitator for optimal product flow, with
3 switching operations: off / intermittent / continuous
Including connection for dust extraction / gassing / venting
Output: up to 80 dosings/minute (highly dependent on product and volume!)
Weight: 290 kg
Color: RAL 9007 (silver gray, stainless steel look)

Extra features for Rovema SDX Servo auger dosing system:
- Lenze/Siemens frequency converter for the agitator
- Program functions for vibrating tube
- 1st dosing screw set, new, for 40g - 100g (86g),
Bulk density 425-460g/liter, consisting of:
- Dosing screw made of highly polished stainless steel
- Stainless steel screw tube, equipped with nozzle and strainer to prevent trickling

- 2nd dosing screw set, new, for 250g - 1000g (500g - 860g)
Bulk density 400-460g/liter, consisting of:
- Dosing screw made of highly polished stainless steel, probably with a diameter of 60mm and a length of 60mm,
identical to the BIB screw;
- Stainless steel screw tube, designed with a half-shell closure, pneumatically operated, including drives and control via Siemens machine control.

Software modules for processing a feedback signal from a standard, pre-equipped checkweigher (tendency control).

Protective gas supply for introducing protective gas at five points.
Including five flow meters, solenoid valve, and pressure switch.

Format parts for gas supply (for one format set with one long dosing screw).