Learn How To Choose Precision Dispensing Tips
by Melissa Cole
The dispense tip also referred to as a dispense needle is a vital part of liquid dispensing systems. As you choose a dispense tip, you should contemplate on a number of things. You should consider if the tip is working and ideal for the task at hand. <a href="https://www.subrex.com/">Precision dispensing tips</a> have angles, lengths, gauges and threads among other features that vary to optimize dispensing accuracy and repeatability for the type of liquid and application.
There is a wide selection of dispense needles on the market, including PTFE-lined, brush, angled blunt end, blunt and tapered dispense needles. These needles are made of a wide range of materials, including Teflon, stainless steel and polypropylene. As you dispense fluids, it is essential to choose the right dispense needles for the syringe. The type of needle you need depends on the kind of fluid you are dispensing.
It is vital for the gauge, length and shape of a dispense tip to meet the needs of your application. This way, the liquid will be accurately deposited and the whole dispense system will work optimally. One of the reasons why several types of dispense needles exist is due to availability of fluids with unique properties. The needles are designed to meet different application needs. If you were to use an incorrect needle, your cycle rates, rejects and reworks would increase, leading to poor part quality and a wasteful production process.
The general purpose tip is the most common dispense tip available. It is versatile meaning that you can use it to dispense many different types of assembly fluid. Nonetheless, the ability of the general purpose dispense tip to dispense many different types of fluids, it may not be the suitable tip for your application. You should select the tips that can dispense the correct amount of fluid as quickly as possible.
When you want to dispense thin or low viscosity fluids, it is better to use a general purpose tip that has a smaller diameter. The choke point of such a dispose tip will restrict the flow of thin fluids ensuring better process control. However, when you need to dispense solvents, it is better to select a PTFE coated dispense needle due to the special outer coating that keeps the fluid from wicking up outside the cannula. This will enhance deposit accuracy and repeatability.
Tapered tips are the best for dispensing fluids of thick viscosity. These needles increase the flow of fluids and can help you to get a great number of concise, consistent and accurate fluid deposits within a short period. With a tapered dispense tip, you can minimize the pressure on a pneumatic fluid dispenser.
Dispense needles differ in quality even if they may appear to be the same. Therefore, it is vital to buy them from a company that has a stringent quality control process. Poor quality dispense tips may have burrs or molding flash, which can transform the quality of fluid deposits or contaminate the material.
The other factor to put into consideration is if the dispensing components like the syringe barrel, dispense tip and adapter assembly can work together in a seamless manner. They should deliver accurate and consistent liquid deposits with minimal fluid wastage. This will enable you to save money over time.
Get <a href="http://www.subrex.com">precision dispensing tips</a> directly from a trustworthy source. Simply search the online page right now at http://www.subrex.com and find out more.
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