The dispensing tip, also known as a dispense needle is a critical part of precision fluid dispensing systems. Therefore, when choosing such a tip, you should consider several factors. You do not want to choose just the tip that works, but rather one that is suited best for your application. Precision dispensing tips have varying gauges, lengths, threads and angles among other features meant to optimize dispensing repeatability and accuracy for each application and fluid type.
Many different kinds of dispense tips are available on the market. They include brush, blunt, PTFE-lined, tapered and angled blunt end dispense tips. Some of the materials used to make these products include stainless steel, Teflon and polypropylene. To dispense fluids properly, it is critical to select the appropriate dispense needle. Consider the kind of fluid you need to dispense in order to choose the right needle.
You should make sure that the length, gauge and shape of a dispense needle meet the precise needs of your application. This way, the needle will deposit the fluid accurately and the entire dispense system will work in an optimal manner. Different types of dispense needles are available because many fluids have different properties to meet unique application requirements. Using the wrong dispense needle will increase your cycle rates, rejects and reworks, causing poor quality of parts and an inefficient production process.
The commonest dispense needle is the general purpose needle. This dispense tip is versatile. It can dispense almost all kinds of assembly fluid. However, even though this needle can dispense nearly all kinds of fluids, this does not mean that it is the most appropriate choice for your fluid. You should choose a tip that can dispense the right amount of fluid within the shortest time possible.
When dispensing low or thin viscosity fluids, it is advisable to use a general purpose tip with a small diameter. The choke point of such a dispense tip will limit the movement of thin fluids to ensure better control of the dispensing process. Nevertheless, if you want to dispense solvents, it would be recommendable to choose a dispense needle that is PTFE coated. The outer coating will prevent the fluid from wicking up on the cannula. This will ensure that the deposits are accurate and enhance repeatability.
Tapered needles are suitable for dispensing fluid with thicker viscosity. These tips improve the flow of liquid and this can allow you to dispense a lot of fluid deposits concisely, accurately, consistently and quickly. As you utilize a tapered dispense needle, you can also lower the pressure on pneumatic fluid dispensers.
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.
Another essential factor to consider is the dispensing components, including the dispense tip, piston, adapter assembly and syringe barrel are designed to work together properly. The components should deliver consistent and accurate fluid deposits with minimal waste of fluid. This will help you save money over the years.
Many different kinds of dispense tips are available on the market. They include brush, blunt, PTFE-lined, tapered and angled blunt end dispense tips. Some of the materials used to make these products include stainless steel, Teflon and polypropylene. To dispense fluids properly, it is critical to select the appropriate dispense needle. Consider the kind of fluid you need to dispense in order to choose the right needle.
You should make sure that the length, gauge and shape of a dispense needle meet the precise needs of your application. This way, the needle will deposit the fluid accurately and the entire dispense system will work in an optimal manner. Different types of dispense needles are available because many fluids have different properties to meet unique application requirements. Using the wrong dispense needle will increase your cycle rates, rejects and reworks, causing poor quality of parts and an inefficient production process.
The commonest dispense needle is the general purpose needle. This dispense tip is versatile. It can dispense almost all kinds of assembly fluid. However, even though this needle can dispense nearly all kinds of fluids, this does not mean that it is the most appropriate choice for your fluid. You should choose a tip that can dispense the right amount of fluid within the shortest time possible.
When dispensing low or thin viscosity fluids, it is advisable to use a general purpose tip with a small diameter. The choke point of such a dispense tip will limit the movement of thin fluids to ensure better control of the dispensing process. Nevertheless, if you want to dispense solvents, it would be recommendable to choose a dispense needle that is PTFE coated. The outer coating will prevent the fluid from wicking up on the cannula. This will ensure that the deposits are accurate and enhance repeatability.
Tapered needles are suitable for dispensing fluid with thicker viscosity. These tips improve the flow of liquid and this can allow you to dispense a lot of fluid deposits concisely, accurately, consistently and quickly. As you utilize a tapered dispense needle, you can also lower the pressure on pneumatic fluid dispensers.
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.
Another essential factor to consider is the dispensing components, including the dispense tip, piston, adapter assembly and syringe barrel are designed to work together properly. The components should deliver consistent and accurate fluid deposits with minimal waste of fluid. This will help you save money over the years.
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