Oster Ice Cream Maker gear
Description
This Project Is What Inspired Me To Purchase A 3D Printer. We Bought An Ice Cream Maker Several Years Ago, But Had Only Used It A Handful Of Times. Late Last Year We Were Making A Batch Of Ice Cream And It Suddenly Stopped Turning The Canister. I Took The Motor Housing Off And Found That One Of The Plastic Speed Reduction Gears Had Broken Into Three Pieces. I Searched Online To Find A Replacement, Only To Find Out That The Manufacturer Doesn'T Sell A Replacement Gear. They Expect You To Buy A Whole New Motor. After Reading Reviews On The Manufacturers Website, I Saw That This Seems To Be A Fairly Common Issue. There Were 7-8 Reviews Claiming That Their Machine Broke The Same Gear That Mine Had. The Mfg Usually Responded With A Contact Phone Number So They Could Get Them A Replacement If It Was Within The Warranty Period. Mine Was Not, So I Decided To Model My Own. I Used Sketchup To Model The New Piece, Taking Measurements From The Broken Part. I Had To Super Glue The Pieces Back Together To Take Some Measurements. In Sketchup, I Installed An Extension That Generates Gears. The Rest Was Just Basic Modeling. I Printed This With Basic Pla. I Did Have To Run A Drill Through The Bore As My Printer Wasn'T Dialed In Perfectly So The Hole Was A Bit Undersized. I Installed The Printed Gear Which Meshes With The Existing Gears Perfectly. It'S Been Too Cold This Winter For Anyone To Think About Making Ice Cream, But I Did Test It Out By Turning The Motor On And Providing Some Resistance Against The Canister. I Held It Firm Enough To Get The Teeth To Skip. I Disassembled The Motor Again To See If My Little Test Caused Any Damage To The Gear, But There Was None That I Could See. I'Ll Post An Update After We Make Our First Batch Of Ice Cream To Let You Know How It Holds Up To Extended Use.
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