2021 W&H Complete Paper Sack Line

W&H Complete Multiwall paper sack line year 2021 is equipped with tuber AM 8115, 3 plies, stepped end and flush cut, inline printer Flexo 820 with web width of 1370mm, bottomer AD 8320 CL with valve unit for the production of cement sacks of 2 or 3 plies.

Complete paper sack lines, Industrial sack lines, bottom patch Bottomer AD 8320 Cl, Cement sacks, Flush cut, stepped end, Transystem, Tuber AM 8115, W&H, Windmöller&Holscher, With valve unit, year 2021

W&H complete paper sack line year 2021

Tail End Printer

Brand: W&H

Model: FLEXA 820

Web width: 1370mm

Printing width: 1320mm

Print repeat range: 450–1500mm

4 doctor blade printing decks

Ceramic coated anilox roll 140 lines/cm

Manual lateral register adjustment : +/- 5mm

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 colour 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 40–250gsm

Inks: water based

Tuber W&H

Model: AM 8115

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, 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 75cm (double-tool range): 500 tubes/min; max speed for cut off lengths of 76cm 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. 34.000kg

Connected load: without printer approx. 90kva, with printer approx. 105kva

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 AM 8115 and Bottomer

Min-max tube width: 280–600mm

Min-max tube length: 440–1050mm

Bottomer W&H

Model: AD 8320 CL

for 2 and 3 plies cement sacks

With valve unit

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

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

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

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

Min-max sack width: 280–550mm

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

Min-max bottom center: 240–700mm

Tube lengths: 400–940mm

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: 100–250mm

Min-max valve length: 100–240mm

Min-max fold over length: 0–120mm

Min-max roll width: 100–300mm

Bottom patch:

Min-max cut-off length: 160–450mm

Min-max web width: 80–180mm

Paste pad thickness (can be guaranteed only when photopolymer plates are used): 4.7mm

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

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 colour for printing of two bottom patch webs side by side on one cylinder with web guide

1x flexo bottom patch printer for second colour configured exactly the same as the one colour 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: 150mm

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 400v with neutral

Glue preparation plant

Slitter rewinder: Longslit 1013P

Working width: 1350mm

Max unwinding roll diameter: 1300mm

Max inner core diameter: 76mm

Rewinding roll diameter: 1300mm

Inner core diameter: 76mm

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

Material: paper 50–200g/m²

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

Drive: A.C. 3 phases motor KW 30

Operating and display system via touch panel

Power supply: 400V, 50Hz, 35kv

Immediately available

Can be seen in production