W&H Complete Multiwall paper sack line year of construction 2021 is equipped with W&H Tuber AM8115, 3 plies, stepped end and flush cut, inline printer W&H Flexa 820 / 4 colours with web width of 1370 mm, W&H Bottomer AD8320CL with valve unit for the production of cement sacks of 2 or 3 plies. 

Full Technical Specifications:

Tail-End Printer
- Brand: W&H 
- Model: FLEXA 820
- Number of colors: 4
- Year: 2021

- Web width: 1370 mm

- Printing width: 1320 mm

- Print repeat range: 450 – 1500 mm

- 4 doctor blade printing decks

- Ceramic coated anilox roll 140 lines/cm

- Manual lateral register adjustment : +/- 5 mm

- Output speed when equipped with doctor chamber inking system: 350 m/min (depending on job specification and print-related factors, such as vibrational response of the color deck (bouncing) due to cross bar designs)

Note: because of the high printing speeds, the use of print cylinders with integral journals is recommended. When printing special designs, in particular cross bar designs, limitations to the print quality or limitations to the resulting machine speed have to be expected

- Materials to be printed: paper 40 – 250 gsm

- Inks: water-based

Tuber W&H
- Model: AM 8115 
- Year: 2021

For the production of Tubes 2 or 3 plies

- Stepped end and flush cut

- Web guide system

- Web threading belts for each ply

- Web draw assemblies with automatic web tension control to adjust web tension for each individual ply in the web processing section

- Stepped and cross perforation 

- Cross pasting

- Register rollers

-  Seam pasting

-  Tube forming section

-  Flush cut unit
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- Belt tear-off unit

- Packet forming station

- Hardware accessories for remote service

- 3 automatic transverse realigning of material rolls

- End -printer integration parts for the unwind

-  Tension control system with 4Q drive

- ionization unit

- Mobile paste pump station (50 liters)

- Brush roller for stepped end cross perforation

- Register unit for intermediate PE ply

-  Automatic position control of flush cut unit

- All-over venthole perforation

- Quick change system for seam and cross paste units

- Panless glue units for cross pasting

- Nonstick coating of idler rollers in the cross pasting station

- Easy stop function, automatic lubrification system at the cross pasting station

- Min-max flat tube width (depending on equipment specification): 180 – 750 mm

- Min-max cut-off length, stepped end (depending on equipment specification): 380 – 1500 mm

- Min-max cut-off length, flush cut (depending on equipment specification): 320 – 1650 mm

- Max roll width: 1530 mm

- Max roll diameter: 1300 mm

- Max. output: 500 tubes/min (max speed for cut-off lengths up to 75 cm (double-tool range): 500 tubes/min; max speed for cut-off lengths of 76 cm and above (single-tool range): 350 tubes/min)

- Weight (depending on machine specification; actual dimensions per machine related installation drawing): without paper, without printer: approx. 34.000 kg

- Connected load: without printerapprox. 90 kVA, with printer approx. 105 kVA

- Automation TRANSSYSTEMS 1
Standard equipment of Automation TRANSYSTEMS including:
Conveyor for transport of packets in the longitudinal direction 1,80 m

- Press plate for 1 packet
Conveyor for transport of packets in the longitudinal direction 2,90 m
Corner roller conveyor to redirect tube packets for right handled onward transportation

- Turnover station for transport of packets in the cross direction to turn tube packets about their longitudinal axis

- Supporting frame for two automation elements

- Collating conveyor for transport of packets in the transverse direction length: 5 m, to collect closely to each other a preselected number of packets, Storage conveyor (s) for transport of packets in the transverse direction length: 5,00 m, for automatic storing of packet groups

- Press plate without guard for storage conveyor, pneumatically actuated

- Storage conveyors for transport of packets in the transverse direction length: 5,00 m, for automatic storing of packet groups

- Traversing unit for a storage conveyor, to transfer a group of packets in case of laterally offset storage conveyors

- Demand conveyor for transport of packets in the transverse direction length: 5 m

- Auto loader type “M” for automatic loading of the rotary feeder with tube packets

- AUTOMATED MATERIAL FLOW SYSTEM between Tuber AM8115CL and  Bottomer 

- Min-max tube width: 280 – 600 mm

- Min-max tube length: 440 – 1050 mm

Bottomer W&H
- Model: AD 8320 CL
- Year: 2021
For 2 and 3 plies cement sacks with valve unit

- Min-max sack lengths stepped end: 320 – 740 mm

- Min-max sack lengths flush cut: 320 – 740 mm

- Min-max bottom widths stepped end: 80 – 140 mm

- Min-max bottom widths flush cut: 80 – 140 mm

- Min-max sack width: 280 – 550 mm

- Min-max width of opened bottom: 160 – 340 mm

- Min-max bottom center: 240 – 700 mm

- Tube lengths: 400 – 940 mm

Valve unit:
- Unwind with air shaft for a max. roll diameter of 1300 mm and 76 mm inner core diameter

- Package to run 2-ply valves PE – film perforating tools at the valve unit

- Controls systems: VCS 2 opto-electronic device for automatic detection of missing and/or misplaced valves

Valve patch:
- Min-max cut-off length: 100 – 250 mm
-l
- Min-max valve length: 100 – 240 mm

- Min-max foldover length: 0 – 120 mm

- Min-max roll width: 100 – 300 mm

Bottom patch:
- Min-max cut-off length: 160 – 450 mm

- Min-max web width: 80 – 180 mm

- Paste pad thickness (can be guaranteed only when photopolymer plates are used): 4,7 mm

- Recommended printing plate thickness (including compressible base of 0.3 – 0.5 mm. Different plate thickness on request, however not less than 3.14 mm): 3,14 mm 

- CCS expansion for include checking of leading and trailing edge bottom slits, pair of opto-electronic sensors to scan the bottom edges

- PCS print control system for automatic registering of bottom patch print in relation to the cut

- 1x flexo-bottom-patch printer for one color for printing of two bottom patch webs side by side on one cylinder with web guide

- 1x flexo-bottom-patch printer for second color configured exactly the same as the one color patch printer without web guide

- Max. output (the output achievable under field conditions is dependent on product design and dimensions as well as on compliance with material and environmental properties): 360 sacks/min

- Pressing and packet forming station: (33 packets/min) without metal detector

- Min. sack count per packet: 10 sacks

- Max. packet height: 150 mm

- Dimensions of machine: as per layout drawing

- Power consumption: as per layout drawing

- Voltage rating (in case of different power/mains characteristics, a series transformer is required): 3 x 400 V with neutral 

- Glue Preparation Room

- Slitter rewinder LONGSLIT 1013 P

- Working width: 1350 mm

- Max unwinding roll diameter: 1300 mm

- Max inner core diameter: 76 mm

- Rewinding roll diameter: 1300 mm

- Inner core diameter: 76 mm

- Slitting width: min. 25 mm with max. 30 knives

- Material: paper 50 – 200 g/m²

- Max speed: 400 m/min (depending on material)

- Drive: A.C. 3 phases motor KW 30

- Operating and display system via touch panel

- Power supply: 400 V, 50 Hz, 35 kV.

   Immediately available 

   Can be seen in production.