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 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.
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 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.
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