3D printed and speed controlled 160mm Rock Tumbler

thingiverse

This is My Design of a Rock Tumbler. What Makes it Unique? - The Frame is Mainly 3D Printed. Assembling it is Extremely Easy. - The Speed of the Tumbler Can Be Controlled. - With this Regulator and Different Drive Wheels, You Can Use Almost Any Available Cheap 550 Size Brushed Motors with a Shaft Diameter of 3.17/3.2mm. Print: Before Printing, Decide if You Want to Control the Tumbler or Not. - For the Frame (Speed Controlled), Print Parts 1, 2, 3, and 4. - For the Uncontrolled Version, Print Part 1, 2x2, and 4. Required Prints: - 4 Guide Wheels with a Diameter of 8mm - 1 Motor Drive Gear with a Diameter of 3.2mm - 1 Tumbler Gear Wheel with a Diameter of Your Choice Assembly: - Insert 8 M3 Squared Nuts into the Side Parts. - Join All 4 Parts as Shown in the Pictures, and Secure them with 4 M3 Bolts. - Insert 4x 608zz Bearings into the Front and Back Frame Part. - Heat Up the Motor Shaft to 150° and Press it onto the Tumbler Motor Drive Gear 3.2mm. - Use Strong Rubber Bands or O-Rings of the Right Size to Connect the Motor Drive Gear with the Gear Wheel. - Connect the Motor to the PWM Control Board. - Attach a Standard 12V Power Supply to Operate the Tumbler. - Use 160mm „KG“ Fittings with Two Caps as a Tumble. Optional: Print the Lid Knob and Attach it with 3x M3 Nuts and Bolts to One of the Lids. Parts: - 550 Brushed Motor (I Used a Mabuchi RS-550VC-7525) - 4 O-Rings with an Inner Diameter of 18-20mm - 4 x 608zz Bearings - 8 M3 Squared Nuts - 8 M3x25 / M3x30 Hex Bolts - M8 Thread Rod (220mm & 240mm) - 14 M8 Nuts - 5.5 X 2.1Mm Jack Mountable - 1 x DC 5-35V, 5A PWM DC Motor Watch the Assembly Video: If You Like My Design, Feel Free to Leave a Tip!