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BEDPLATE (baseplate):
The bedplate, a cast iron or fabricated steel structure bolted to the foundation, supports the entire mixer.
CHAMBER SIDES (sides, drilled sides, jackets):
The chamber sides are fabricated structures made up of cylindrical liners with
reinforcing ribs. The interior surfaces of the liners are part of the
mixing chamber.
CHARGING DOOR (loading door, front door):
Mounted to the front of the hopper and hinged at the bottom, the charging door
provides access for loading the basic elastomer and other compounding ingredients into the hopper and thus into the mixing chamber.
COMPACT DRIVE:
This is a gear box with one input shaft connected to the drive motor and one output shaft connected to one rotor. The rotors are linked together by connecting gears on the rotor shafts.
COUPLINGS (low speed coupling, high speed coupling, cplgs):
The couplings transmit power and torque between the motor and the gear box input shaft (high speed) and between the gear box output shafts and the mixer.
DISCHARGE DOOR (drop door, gate, door top):
In the closed position, the discharge door forms the bottom of the mixing chamber. This hinged door is swung out of the way by a hydraulic actuator to
discharge the batch at the end of the mixing cycle.
DUST STOP:
The dust stops are sealing devices at the ends of each rotor which prevent material from being forced out of the mixing chamber along the rotor shafts.
DOOR ACTUATOR:
A hydraulically operated, rack and pinion rotary actuator opens and closes the discharge door.
DOOR CLAMPS:
The door clamp is hydraulically operated which holds the discharge door closed during the mixing cycle.
DRIVE END (D.E.):
The drive end of the mixer refers to the end of the rotors connected to the gearbox by flexible couplings.
ENDFRAMES:
The endframes are fabricated steel units to which the sides are bolted and which also contain the rotor bearings.
EVEN SPEED:
The term “even speed” refers to two rotors rotating at the same speed.
FLOATING WEIGHT (ram, plunger):
The floating weight is ixing chambair-operated and forces material to be pushed down into the mer. It also keeps pressure on the material during mixing.
GEAR BOX:
The gear box has an input shaft which accepts power from the drive motor at relatively high speed and transmits it to the mixer rotors at low speed.
HOPPER:
The hopper is a structure mounted on top of the mixer body into which the basic elastomer (such as rubber) and other compounding ingredients are fed. The weight cylinder which operates the floating weight is mounted on top of the hopper cover.
HOPPER COVER (hopper top):
The hopper cover forms the top of the hopper itself. The weight cylinder mounts to the top surface of the hopper cover.
HYDRAULIC POWER UNIT:
The hydraulic power unit provides high pressure hydraulic oil to operate the door actuator, the latch, the dust stop cylinders, and the dust stop lubrication system.
MIXING CHAMBER:
The mixing chamber refers to the interior of the mixer body enclosed by the interior surfaces of the sides, the rotor endplates, the discharge door, and the floating weight in the down position.
PISTON ROD:
The piston rod is connected to the piston at its upper end and the floating weight at its lower end
STOP PIN:
The stop pin mounts in the hopper side and, when extended, supports the floating weight in the full up position for safety during maintenance.
UNI-DRIVE:
The term “uni-drive” refers to a gear box which has one input shaft connected to the drive motor and two output shafts which connect directly to the two rotors.
WATER END (W.E.):
The water end of the mixer refers to the end of the rotors into which the heat transfer medium is introduced.
WEIGHT CYLINDER (hopper cylinder):
The weight cylinder contains the piston and piston rod which is connected to the floating weight. Pressurized air inside the cylinder operates the weight.
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