Squirrel Cage Blower Wheel Balancing

Forward curved centrifugal wheels.
Squirrel cage blower wheel balancing. It was an easy fix and there was no cursing. Static or dynamic balance. Cw or ccw rotation. You may purchase these in a package of 25 2bc package of 100 1bc or in bulk.
It s pretty standard stuff for the vets but hopefully some of the new guys may find i. These clips are made from annealed carbon spring steel with a white zinc plating. Centrifugal fans often contain a ducted housing to direct outgoing air in a specific direction or across a heat sink. Most of the time a piece of something filter furnace insulation paper dirt has become sucked in the blower wheel squirrel cage and causes it to become off balance and wobble.
A centrifugal fan is a mechanical device for moving air or other gases in a direction at an angle to the incoming fluid. Also known as squirrel cage blower wheels. Are the fins of the blower wheel filled with dirt. Somehow my furnace squirrel cage blower decided to get out of whack while i was away from home.
Diameter from 1 50 to 9 45. This is assuming you have a blower cage with axel sticking out of both. They come in a range of weights from 0 2 grams up to 13 0 grams. Hub bore sizes 1 4 5 16 3 8 1 2 5 8 3 4 others per request.
Fergas blower wheels radial blower wheels squirrel cage. The standard squirrel cage clips have a slight curve and are designed for balancing fans with a curved blade. Instead of v blocks you d get less friction of you set up two level flats for the axel to roll on. Easy fix pull out the blower disconnect the motor and clean the squirrel cage with hot water in a utility sink or garden hose outside.
Blower wheels squirrel cage radial or paddle wheels for centrifugal blowers have numerous design options including single and double inlet tangential crossflow forward curve backward curve backward inclined in press lock preslok tabbed riveted spider construction. I would recommend turning off the power to the furnace taking the blower door off and inspecting the blower wheel with a flash light and a mirror. Sometimes if enough dirt gets in the squirrel cage it will cause the wheel to vibrate when running. Forward curved centrifugal strip blower wheels.
2 99 inch 76 mm to 8 82 inch 224 mm lighter quieter stronger and more efficient than conventional tab lock or strip wheels. How long will my. In this video i show how i typically clean a blower wheel and assembly. Precision assembly process assures high concentricity and almost perfect balance.