Material to be baled: wool, synthetic fiber, cotton
Staple loading to the press through inclined belt (double belt, the bottom belt will have retaining fins while the top belt will not crush the fiber but will be necessary only for loading; in this way there will be no problems for the fiber, with high emulsion, to stick to the belt)
Electric motors for belts drive: 2 (one for the bottom belt and one for the top belt)
Production per hour: max 1000/1200 kg
Bale weight: max 300/350 kg
Quantity of bales per hour: 4
Pressing box dimensions for exportation: 680 x 1080 mm
Finished bale dimensions after release: 720 x 1140 x 1140 (h mm)
Bales cotton fiber for the loading of 72 bales in a 40’ container
Tolerance on bale dimensions: +/- 10 mm
Bale volume: 0.935 m³
Bale density (with 300 kg/bale): 320 kg/m³
Tolerance on bale weight: +/- 5% (on 95% of bales)
Number of frontal straps: 7
Bale strapping: automatic with polyester band (optional)
Bale wrapping: automatic (optional)
Max. pressure of final pressing unit: 150 tons
Electrical feeding: 400 V – 50 Hz (480 V 60 Hz)
Compressed air: 6 bars
Water for heat exchanger on hydraulic power unit: maximum 25 °C (to be confirmed)
Material in touch with the fiber: stainless steel AISI 304 2B
Pressing/pre-pressing: hydraulic
Top and bottom pressing plate: made of steel
Pusher made of steel and covered with stainless steel (perforated)
Walk-way around the loader included
Access ladders to the walkways of the loader included
Pressing ram dimension: 300/240 (1 ram)
Box rams dimension: 140/70 (2 rams)
Construction Details
This press has been specially designed to be installed above floor
It has a bearing structure, consisting of head, base and columns and of a pressing box which lifts up automatically
The pressing ram with plate is fixed to the head, while the counter-pressing plate is fixed to the base of the press
The pressing ram acts also as pre-pressing ram, with alternate motion
The pressing box height is designed in order to enable the feeding up to 350 kg of fiber
At each down stroke the pre-pressing ram stops at the reaching of 30/40 tons of pressure, so that a very high pressure on material can be exerted
The pressing box is equipped with material retaining blades
The lifting up of the box is hydraulically driven by means of two side rams provided with safety devices such as to prevent the box accidental descent
The machine is provided with a horizontal loader with horizontally movable plate which pushes material inside the pressing box
All necessary electric, hydraulic and mechanic safety devices are provided
Operation
Material is fed into the horizontal loader through the inclined double belt
When the loader is full of material, there are the following operations: movement forward of the loader, down-stroke of the pre-pressing ram, stop downwards of the pre-pressing ram, up-stroke of the pre-pressing ram, return of the loader backward
During the pre-pressing phase the feeding of the fiber doesn’t stop and it is stocked in the top part of the loader
Once the bale weight has been reached (signal arriving from the revolutions counting of the cutter) there are the following movements: ram down-stroke up to reach the strapping height (or max. pressure), box up-stroke, manual wrapping (optional ready for automatic wrapping), manual strapping (optional ready for automatic strapping), release (top plate up-stroke)
After the strapping the top pre-pressing plate moves up and the bale is collected by the fork truck and sent to the scale for the automatic weighing and labelling, and after to the storage roller conveyor (optional)
The controls are located on the hydraulic power unit which, together with the electric control cabinet, is placed on the floor at the machine side
Composition of the Supply
1 press mod. FTK 150
1 inclined double belt
1 horizontal belt fitted under the cutter
Optional: 1 bale automatic wrapping system
Optional: 1 bale automatic strapping system
Optional: 1 bale unloading truck with roller conveyor on board
Optional: 1 electronic scale with display
Optional: 1 roller conveyor to be fitted on the scale
Optional: 1 labels printer with automatic applicator (the management of the label will be carried out through a special PC)
On the hydraulic power pack are installed the different electric motor/hydraulic pump groups and the valves necessary to drive all the movements of the press
The main features of the hydraulic power pack are the following: tank inside walls painted with oil-proof painting
A 90 microns suction filter is installed on each single pump
An air filter is installed on the hydraulic central to clean the air entering the tank
All filters are provided with electric and optic clogging detectors
The hydraulic central is provided with an electric gauge for the oil minimum level
Each pump is provided with its own max. pressure valve, manometer and thrustmeter
All motors are fitted on vibration-damping supports; the connection of the suction duct of the pump is made by means of elastic joint
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