RIPPLE MILL

The ripple mill must incorporate the following design features and performance ;

CRACKING CAPACITY

• 8 TPH to 10 TPH nuts.

RIPPLE ROTOR ROTATIONAL SPEED

• 600 - 700 rpm.

ELECTRIC MOTOR DRIVE

• Minimum 11 KW 4 pole TEFC squirrel cage Brook / Hansen / equivalent motor.

DRIVE

• Belt driven with taper locks for pulleys fitted to both motor and ripple mill shafts.

RIPPLE PLATE

• Easy pull out design.
• Two (2) segments with 12 to 16 teeth per segment.
• Total ripple plate surface area of not less than 2280 cm2.
• Ripple Plate width of 400 mm minimum.

ROTOR ASSEMBLY

• Rotor disc diameter of 650 mm minimum.
• No less than 55 nos. of 25 mm dia. heat treated hardened rotor rods.
• Easy replacement of rotor rods without dismantling of rotor sides plates.
• Rotor shaft dia. of not less than 70 mm.

CRACKING EFFICIENCY

• Able to achieve up to 97% cracking efficiency with broken kernel content less than 10% for wet nuts with moisture content between 14-18%.

NOISE LEVEL

• Between 85-90 dB (A).

VIBRATION LEVEL

• Within 0.7 mm - 1.5 mm RMS vibration velocity in accordance to ISO 2372 Specification for small size machine.

Source - Tender Specification / BEA.