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Related Concept Videos

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Concrete in large quantities can be pumped across long distances for placing in inaccessible sites. This system comprises a hopper that receives concrete from a mixer, a pump to propel the concrete, and pipelines that facilitate its delivery.
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High Speed Droplet-based Delivery System for Passive Pumping in Microfluidic Devices
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A low-cost push-pull syringe pump for continuous flow applications.

Marco Iannone1,2, Diego Caccavo1,2,3, Anna Angela Barba1,3

  • 1Department of Pharmacy, University of Salerno, 84084 Fisciano, SA, Italy.

Hardwarex
|May 5, 2022
PubMed
Summary
This summary is machine-generated.

This study presents an open-source, low-cost push-pull syringe pump (PPSP) for continuous processes. The programmable device ensures constant flow rates, overcoming limitations of traditional batch systems.

Keywords:
3D-printingContinuous flowDual syringe pumpPush–pull

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Area of Science:

  • Engineering
  • Instrumentation
  • Fluid Dynamics

Background:

  • Traditional syringe pumps are limited to batch processes, hindering continuous flow applications.
  • A need exists for cost-effective, programmable solutions for precise fluid delivery.
  • Open-source hardware offers potential for accessible and customizable scientific instrumentation.

Purpose of the Study:

  • To develop an open-source, low-cost push-pull syringe pump (PPSP) suitable for continuous processes.
  • To create a programmable and easily manufacturable device for precise flow rate control.
  • To demonstrate a functional PPSP design with validated performance.

Main Methods:

  • The PPSP is driven by an Arduino Nano ATmega328P controlling a NEMA 17 stepper motor with an A4988 driver.
  • Configuration is managed via a digital encoder and OLED screen, programmed in C++.
  • A custom PCB was designed for simplified assembly, and non-return valves with a dampener ensure continuous flow.

Main Results:

  • The developed PPSP is programmable and allows for continuous fluid delivery.
  • The device was successfully assembled and tested for flow rate and linearity.
  • The total manufacturing cost is under 100 €.

Conclusions:

  • The open-source push-pull syringe pump provides a viable, low-cost alternative for continuous fluid delivery systems.
  • The design is accessible for DIY construction and customization in various laboratory settings.
  • This programmable PPSP enhances the usability of syringe pumps beyond traditional batch operations.