الجمعة، 21 يونيو، 2013

Basic components in big baler part 7 8. Knotter

8. Knotter
A.Knotter drive shaft + protection
Protected with shearbolt. (replace every 2500 bales)
Knotters are shaft driven from the stuffer gearbox
Knotter & driveline protection is provided by a shearbolt
Contains the sensor for PTO rpm control.
Sensor receives signal of crowngear inside gearbox (z = 68 ; n = 11/68)

C. Stack assembly

Knotters are not painted but treated with special black anodising for reliable knotter performance from 1st bale onwards.
Easy accessible through flip-up cover and removable side shields
A sensor (new position) on the guard will indicate to the operator that the guard is in the open position by displaying a warning message on the monitor

D. Twine finger

E. Knotter brake
Large diameter knotter brake disc offers a smoother quieter cycle, reduced knotter shearbolt breakages and reduced needle damage.
Function: - To keep constant load on needles during tying cycle.
                  - Help to hold needles in fix position.
                  - Prevent needles from overrunning.
Spring length 32 mm
F. Knotter fans


                The knotter fans are activated from the monitor and will start automatically as soon as the PTO speed exceeds 600 rpm
Knotter fans can easily be lifted up and parked to allow
 acces to the twine tensioners and knotters.
Knotter fan assembly can be lifted and parked for easy access for twine threading at start off.

G. Needles
Wider needle rollers with no gap beside the roller for the twine to get trapped.