Create a Versatile Pneumatic Oscillating Cylinder: Expert Help Needed

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Discussion Overview

The discussion centers around the design and functionality of a small-scale pneumatic oscillating cylinder, specifically for use in a pneumatic tattoo machine. Participants explore various aspects of pneumatic systems, including adjustable throw length, oscillation strength, and the control of air pressure versus air speed.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant expresses uncertainty about the appropriate forum for their question and outlines their need for a pneumatic oscillating cylinder with adjustable throw length and strength.
  • Another participant clarifies that air is introduced into the cylinder rather than pressure, and discusses the need for a double-acting setup for oscillation.
  • A participant mentions that speed control is typically achieved by restricting airflow on the exhaust line and suggests using limit switches for direction reversal.
  • One contributor advises considering motor-controlled linear actuators instead of pneumatics due to the complexity of achieving variable control with pneumatic systems.
  • Questions arise regarding the specifics of adjustable throw length, including whether it should be adjustable on-the-fly or for different operating conditions.
  • Another participant notes that controlling pressure and flow simultaneously presents challenges, suggesting a choice must be made between strength and speed.
  • A participant shares personal experience with small pneumatic systems and suggests using physical bumpers for stroke stoppage.
  • The original poster provides more details about the intended application for a pneumatic tattoo machine, emphasizing the need for variable adjustments in stroke length and oscillation strength.
  • Discussion includes the importance of maintaining consistent downstroke depth and the potential for patenting a cylinder-driven machine based on existing designs.

Areas of Agreement / Disagreement

Participants express a variety of views on the feasibility and complexity of creating a pneumatic oscillating cylinder with the desired features. There is no consensus on the best approach, and multiple competing ideas are presented regarding control mechanisms and design considerations.

Contextual Notes

Participants highlight limitations in understanding the specific application and requirements, as well as the challenges of achieving variable control in pneumatic systems. The discussion reflects a range of experiences and knowledge levels regarding pneumatic technology.

  • #31
pneu2u

I just noticed this forum and had my 2 cents to put in. It seems that none of the posters here have any idea of what is required.
I have developed this idea for almost 20 years and actually have a working prototype.
you can see it at jamcaddesigns.com/pneu2u
 

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