juice squeezer

thingiverse

###The Story: Life hands you lemons, but I decided to print an electric lemon squeezer instead. It all started with a big sack of oranges I bought on a budget a while ago. They were too much for me, so I made some juice. But there was no squeezer. That's when I realized that 3D printing could solve this problem. ###My Goals: * Design a squeezer that can handle ~1/2l of juice * Make it motorized because why not? * Use a safe and elegant way to activate the motor * Make it reproducible with widely available standard parts * Avoid an extremely unsafe design * Make it look fancy * Make it printable on a 20cm build plate * Keep it simple This led me to design based on cheap KTYZ50 motors with a sophisticated translation mechanism. I'll share that later, but let's just say it was a failed attempt. ###Goals Achieved: * Yes, it fits 2/3l of liquid. But be careful not to overfill the bowl. * Check * Check * Check, although it's quite expensive * Half-check; it could be safer * Half-check; it looks rather strange * Check * Check ###Before You Start: Make sure you have a soldering iron and know how to use it. You'll also need basic knowledge of electricity and its hazards. Be prepared to crimp some wires. ###The BOM: * A60KTYZ motor with ~30rpm (available on Amazon) + Watch out for different line voltages! * 4x Springs l=10mm, w=6mm * 2-terminal biscuit connector * Hot-glue or superglue (optional) * 4x M3x10 screws * A power cord with crimped strands * 4x self-adhesive rubber feet You can definitely find cheaper alternatives if you spend some time sourcing parts. ###How to Assemble: Prepare an unplugged power cord with crimped strands. Stick the strands through the motor holder (motorhalter.stl). Connect the wires and capacitor according to the manufacturer's instructions. Insert the motor into the holder, solder a wire to the microswitch, and connect it to the motor biscuit connector. Screw the N-line of the power cord to another 2-pole biscuite connector. Connect one of the switch wires to the N-line. Connect the L-line of the power cord to the motor's L-line. If you have a PE-line, screw it into the empty terminal. Insert the switch into the "switch-cage" and arrange the cables securely. Use M3 screws to attach the bottom plate to the motor holder and stick on rubber feet. Test the motor with gentle pressure. Attach the motor-plate, gyroscopic pin-thing (aufsatz.stl), and bowl. That's it. ###Warning: THIS IS NOT A VERY SAFE DESIGN! SPILLING TOO MUCH LIQUID INTO THE MOTOR BASE CAN CAUSE INJURIES AND/OR DEATH!!! DON'T BUILD THIS IF YOU'RE NOT FAMILIAR WITH LINE VOLTAGE! On the other hand, juice is quite healthy.