Marble Pump Kit Assembly Instructions
Introduction
The Marble Pump 1.0 is finally here,
Bill of Materials
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1x DC Gear Motor
The beating heart of the Marble Pump is this little right angle DC Gearmotor. The Marble Pump has been designed and tested around a motor rated for 24V / 10RPM. However, slower and faster motors could be used to achieve different pump performance characteristics. There are a large variety of voltages and RPMs avaialble in this form factor.
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1x DPDT (on-off-on) Toggle Switch
This switch will act as the entire direction control system for the pump.
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1x USB C PD Trigger PCB
This little PCB lets you select what voltage you want to run your pump at from the available voltages your USB-C PD power supply provides. To get maximum pump speed, you will need a USB-C PD charger that can provide upto 20V.
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Wire
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1x Pump Wheel - Laser Cut 4mm Aluminum
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1x Pump Ramp - Laser Cut 3mm Acrylic
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9x M2 Heat Set Inserts
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6x M2x4mm Socket Head Cap Screws
Printed Parts
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1x Pump Body - Printed in PLA
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1x Ramp Spacer - Printed in Polycarbonate
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1x Pump Back - Printed in PLA
Final Assembly
Wiring Diagram
Wire the USB C PD Trigger board, toggle switch and DC motor as shown in the wiring diagram below.
