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The best medium volume machine on the market

The Lyndex (formerly Lindemann) Bigro is a medium volume baler which produces 750mm high x 1100mm wide, high density bales. The Bigro is a long established design that has been improved and updated over many years.

Supplied as standard with material stamper.

  • Main cylinder sizes: 65-125Tonne
  • Power units: 1x37-2x55kw
  • Hopper size: 2200x1100mm
  • Bale size: 750x1100mm
Material Stamper
Operator Interface
Tying System
Wire Consumption
Hydraulic System
Channel Control

The all welded construction from thick shot blasted plate guarantees long life, extra vertical ribs in the pressing area to contain all of the pressing forces. The compact design with vertical tying system ensures minimum floor area requirement.

All areas subjected to heavy wear are protected by easily exchangeable bolted wear parts, thus extending the life of the wear parts and reducing operating costs.

Key assemblies are machined where precision is required and the structure is assembled in jigs to ensure tolerances are maintained.

The material stamper is designed to automatically clear material blockages from in front of the blade, when processing heavy grade material. The automatic operation keeps the machine in production, removing manual intervention, resulting in time-saving. Using a 24-tonne vertical cylinder the stamper assembly covers the whole width of the press chamber.

Heavy duty platen multi plate configuration with fully supported triangular blades Incorporating full length hold down ledges, Concentrating the shearing force, enhancing the ability of the machine to shear even the most difficult materials. Maximum force is concentrated on the leading edge of the blades for better penetration and smooth shearing. This also allows more energy efficient use of the hydraulic force.

The operator interface main screen has a graphical view of the machine showing all the important machine parameters such as pressure, bale length, temperature and material selection. The interface has been specifically designed to be user friendly with operators becoming familiar with the screens within minutes. Operators only have to select the material grade to be processed. The embedded recipe system chooses the correct machine parameters to produce the best bale possible.

All alarm functions are date and time-stamped and logged.

A data log system can also be incorporated as an option.

The most reliable and fastest tying unit fitted to any channel baling press.

The “Bigromat” twister is equipped with a hydraulic motor which simply drives a set of gears which in turn drive the twister gears. Twisting discs can be removed by simply lifting out. The number of twists can simply be increased or decreased from the operator interface.

The “Bigromat” ties the wire without leaving “pigtails” which one will have with any finger type tying unit.

The wire saved on a typical 750 x 1100mm bale can be as much as 2.5-3 metres (10%), taken over a 12 month period there would be a significant cost saving.

The hydraulic system incorporates the most up to date technology and reliability. At the heart of the system Lyndex utilises a two or three-stage pump arrangement, one or two-high volume vane pump and a variable displacement high pressure pump.

Filtration is by means of a pressure filter in line with the high volume pump. Oil is filtered down to 25 microns and the whole volume of oil is filtered 20 times each hour. Oil cooling is controlled automatically. Pressure and temperature transducers monitor hydraulic parameters.

To optimise bale density on all materials a proportional channel control system is Incorporated. All the operators need to do is select the material to be processed. The intelligent software within the control system determines how much pressure is required in the channel valve, to give maximum compaction of material in each stroke.

Horizontal Tying
Plastic Tying
Refuse Platen
Lined Pressbox
Data Log
Machine Beams

When baling plastic or bulky material, a 2 or 3 wire horizontal tying system can be added to hold the baled material together in uniform bales, reducing expansion.

The distributor is used to disperse bundled materials and magazines in the hopper to produce a more uniform bale. The distributor is manually or hydraulically inserted dependant upon machine size.

When processing RDF (Refuse-Derived Fuel) material, the Bigro can be equipped with the Lyndex "Hookmat" plastic tying system, that uses plastic monofilament baling wire. The system can be designed to work with either plastic or steel wire, making the machine more flexible.

When processing MSW (Mixed Solid Waste), the Bigro can be equipped with a refuse platen which consists of a retractable tying comb and locking bolts, which reduce material blockages in the platen slots.

When processing very abrassive material, the side walls of the press and the press channel floor, lid and sides can be fitted with replaceable Hardox wear plates.

The Lyndex data log system allows for remote logging of all bales produced, broken down into material types. All material alarms are also data & time-stamped, and logged.

Working with Lyndex Design department, additional maintenance platforms can be incorporated as part of the machine supply.

The machine can be fitted with machine beams to raise the machine higher off the floor to eliminate the need for a needle pit and give more clearance for cleaning.

Bigro 65 Bigro 85 Bigro 105 Bigro 125
Press Length x Width x Height (Mtr) 9.5x1.8x3.8 9.9x1.8x3.8 11.4x1.8x3.8 11.4x1.8x3.8
Press Weight (Tonnes) 23.5 24 30 32
Hopper Length x Width (Mtr) 1.6x1.1 1.6-2.2x1.1 2.2x1.1 2.2x1.1
Bale Height x Width (mm) 750x1100 750x1100 750x1100 750x1100
Drive (kW) 1x37, 1x55 1x37, 1x55, 2x37, 2x55 1x55, 2x37, 2x55 2x37, 2x55
Pressing Force (Tonnes) 65 83 102 125
Specific Pressing Force (Kg/cm²) 79 10 12.4 14.95
Stamper Pressing Force (Tonnes) 24 24 24 24
Tying Wires Vertical 4 4 4 4
Tying Wires Horizontal 2-3 2-3 2-3 2-3
Infeed Density 10-20 Kg/m³ (Tonnes/h) 3-6 4-12 4-12 3-11
Infeed Density 30-40 Kg/m³ (Tonnes/h) 9-10 13-16 13-16 12-16
Infeed Density 50-60 Kg/m³ (Tonnes/h) 12-14 17-19 18-20 17-19
Infeed Density 80-100 Kg/m3³ (Tonnes/h) 18-21 21-28 22-30 23-31

All details subject to change without notification. Figures based on 100% efficiency.