Vibrating Riddles

SPEED RIDDLE GYRATORY FOUNDRY RIDDLE

VR-240 With 24″ Basket

Specifications: VR-240

• Motor: 1/2 HP, 1725 RPM, 120/240 volt, single phase, 60 hz, TEFC, ball bearing with overload relay protection. or 1/2 HP, 1725 RPM, 240/480 volt, poly phase, 60 hz, TEFC, ball bearing with overload relay protection.
• Speed Reducer: Totally enclosed, oil-filled gear box, with heat-treated gears on ball bearing mounted shaft. Drive shaft speed-287 RPM.
• Toggle switch control is mounted on riddle frame.
• Starter with overload protection in wall-mounted control enclosure.
  (240-480 volt, 3 phase)
• Heavy duty cord is only provided on 115 volt riddles.
• Sieve diameter: 24 inches (60.5 cm)
• Overall height: 56 in. (142 cm)
• Shipping weight: 160 lbs. (72.5 K)

MODEL VR-240

For a machine that screens, mixes, aerates, and cleans molding sand, that will riddle either water or petroleum bonded sand, that can out-riddle ten men, that can be counted on for years of continuous service, look into the remarkable vibrating sand riddle.

Rugged overall construction. Frame of rigid tubular steel – inert gas welded. Rolled steel rims. Sieve

DRIVE UNIT FOR SPEED RIDDLE

screens of extra-heavy, galvanized, woven wire mesh.

Easy to operate. Positive cam-lock design permits rapid interchange of screens, to handle coarse, medium, or fine material.

Low-maintenance, long-life engineering. Assemblies are enclosed, which gives built-in protection from dust and dirt, to drive shaft, eccentrics, and universal joints. In addition, gear box has oversized bearings and a heat-treated alloy steel drive shaft for extra-long life.