Dispensing Needles

The Dispensing Needle, also known as “Dispensing Nozzle”,or “Dispensing Tip”, is a specialized tool utilized for precise dispensing of adhesives, resins, or other liquid substances. They are widely used in industrial manufacturing to dispense liquid materials to specific surfaces or areas in specific patterns, volumes and speeds. The diameter, length, shape and material of these needle-like devices may vary from application to application to meet various needs such as dispensing, encapsulation, coating and other process requirements. In Manners Technology, the needles are polished, free of burrs and other contaminants, and have a smooth interface that ensures that they do not impede the free flow of fluids, adapting to diverse requirements for dispensing patterns, quantities, and rates.

Categories & Applications

Dispensing needles encompass a wide range of types and models, providing a tailored selection based on specific application requirements. In the realm of dispensing needles, there are both standard types widely used and customized models designed for particular needs.

Among them, one commonly encountered type is the straight-tip needle. This type is characterized by its ability to release adhesive in a vertical direction onto the workpiece surface. This makes it a go-to choice for precise dispensing needs, especially for applications involving small surface areas, such as coating in precision electronic devices and the delicate components of various micro devices.

Another standard type is the angled-tip needle, designed to release adhesive at a specific angle. This feature allows for dispensing in areas that are challenging to reach directly, making it invaluable in applications within confined spaces. Industries like electronics and automotive manufacturing often rely on angled-tip needles for their dispensing needs.

On the other hand, customized dispensing needles cater to more specialized requirements. For instance, the multi-caliber dispensing needle stands out in the customized category. This needle type integrates multiple discharge orifices with varying diameters, offering versatility in adhesive flow rates. This adaptability proves particularly useful in diverse adhesive bonding processes where varying adhesive viscosities are encountered.

Material Options & Sizes

Dispensing needles come in different materials to suit specific applications. Common materials include stainless steel and plastic. The choice of material depends on factors like chemical compatibility and the desired application. If classified by materials, dispensing tips of different materials are suitable for different purposes.

Free-flow taper tips made of polyethylene are versatile, suitable for medium-to-high viscosity fluids, including UV light-curable materials. Stainless steel tips, with a polypropylene hub and 304 stainless steel tubing, work for various viscosity fluids like adhesives and epoxies. PTFE-lined tips are great for low-viscosity fluids, resistant to clogging, and suitable for substances like gel cyanoacrylates. Polypropylene flexible tips are soft and flexible, ideal for challenging applications, preventing scratches on surfaces.

In terms of size, dispensing needles vary in diameter typically ranging from a few millimeters to tens of millimeters, and lengths ranging from a few millimeters to tens of centimeters. These variations cater to the precise dispensing requirements of different liquids and applications.

In summary, Manners offers customizable dispensing needles for all types of dispensing in a variety of industries. The choice of a particular type or model ultimately depends on the specific demands of the application at hand, ensuring efficient and accurate dispensing of adhesives, sealants, or other liquid materials.

Manufacturing

The manufacturing of dispensing needles is a precision-intensive process. It starts with the selection of suitable materials based on the intended application, and is heavily reliant on advanced technology such as the five-axis core-walking machine for intricate control and manipulation. Surface treatments are then applied to enhance properties like corrosion resistance or reduced friction.  Aiming for a fine surface finish with an Ra value of 0.4μm demands meticulous machining and polishing techniques, an expertise Manner Technology is well-versed in.

The needle tip, a critical component, is crafted with exceptional precision, showcasing Manners Technology’s remarkable tolerance capability of ±0.01mm, ensuring precise and consistent adhesive dispensing. This precision is especially vital in serving high-tech applications. Notably, Manner Technology’s expertise extends to catering specifically to the intricate needs of Apple’s display manufacturing. Our precision manufacturing capabilities and cutting-edge technology enable them to deliver dispensing needles that meet the stringent requirements of such critical applications.

Manners Technology specializes in precision engineering and utilization of top-grade materials, and our dispensing needles adhere to rigorous manufacturing standards. The company boasts a wide array of dispensing needles that guarantee precise and reliable distribution of adhesives, sealants, and other materials. By choosing Manners Technology’s dispensing needles, industries can elevate efficiency and precision in their manufacturing processes.