How to choose the best needle Nozzle for liquid application| Musashi Engineering, Inc.

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Information on the type and selection of needle Nozzle made by Musashi Engineering.
Please use it for product selection.

	Plastic Needle	Article 2 screw plastic needle	Metal needle	Thin metal needle
Model	PN- □□ G-A PN- □□ G-B	DPN- □□ G-◇ （◇=0,1,2,3)	SNA- □□ G-B SNA- □□ G-C	SNA-0. □□ N-4L-F SNA-0. □□ N-6L-F
Appearance
Material	Needle base: Polyacetal Needle: Stainless steel	Needle base: Polypropylene Needle: Stainless steel	Needle base: Brass (Ni plating) Needle: Stainless steel	Needle base: Brass (Ni plating) Needle: Stainless steel
Needle length	8mm(-A) 13mm(-B)	6.4mm 12.7mm 25.4mm 31.8mm 4 types	13mm(-B) 15mm(-C)	4mm 6mm
Length specification	Not possible	Not possible	Allowed	Allowed
UV support	△	×	1	1
Anaerobic response	×	×	×	×
Application	Standard Nozzle	Article 2 The feeling of mounting screws Abundance of needle length	Pharmaceutical resistance Length can be specified	Hard to interfere with walls and parts

	Article 2 screws Tapa Nozzle	PTFE Nozzle	PTFE Nozzle with SUS Guide	Soft needle
Model	TPND- □□ G-U	TN- □□ G TN- □□ G-U	TN- □□ G-○○L- □□ G-△△L	PPN- □□ G
Appearance
Material	Needle base: Polyethylene Needle: Polyethylene	Needle base: Polyacetal Needle: Fluoropolymer	Needle base: Polyacetal Needle: Fluoropolymer ※With SUS Guide	Needle base: Polypropylene Needle: Polypropylene
Needle length	38.1mm (Length)	8mm	Order production with specified dimensions	35.9mm
Length specification	Not possible	Allowed	Allowed	Not possible
UV support	1	1 (-U only)	△(Respond to custom orders)	×
Anaerobic response	1	1	1	1
Application	High viscosity material orientation	For anaerobic materials Prevention of workpiece damage	Easy to position at the tip of the Nozzle	Can be applied according to the workpiece

	Article 2 screws Precision Solid Nozzle	High-definition Nozzle	Sharp needle	Curve needle
Model	DSHN-M2	FN-0. □□ N FN-0. □□ ND	SPN	CPN- □□ G-A45 CPN- □□ G-B45 CPN- □□ G-A90
Appearance
Material	Needle base: Stainless steel Needle: Stainless steel	Needle base: N-shaped brass (Ni plating) ND type stainless steel Needle: Non-disclosure	Needle base: Polypropylene Needle: Stainless steel	Needle base: Polypropylene Needle: Stainless steel
Needle length	18.25mm (Length)	Type N: 23.0mm Type ND: 22.2mm (Length)	Depending on the nozzle diameter	12.7mm(-A) 38.1mm(-B)
Length specification	Not possible	Not possible	Not possible	Not possible (SNA bendable)
UV support	1	×	×	×
Anaerobic response	×	×	×	×
Application	Hard to clogging material with filler Reduced discharge time	For micro and micro applications	Reducing the crawling of low viscosity materials	Difficult to access Can be applied to places

	Slit Nozzle	Multi-Nozzle	Hake Nozzle	Multi-point discharge needle
Model	-	MN	BN-S◇ (◇=1,2,3,4)	DN
Appearance
Material	Needle base: Stainless steel Needle: Stainless steel	Needle base: Stainless steel Needle: Stainless steel	Hake Department: Polyester fiber	Needle base: Brass (Ni plating) Needle: Stainless steel
Needle length	ー	Order production with specified dimensions	S1,S2:(6.4mm) S3,S4:(10mm)	20mm
Length specification	Specify the width and thickness of the slit	Order production with specified dimensions	Not possible	Allowed
UV support	1	1	×	1
Anaerobic response	×	×	×	×
Application	Surface application For beta-painting	For multi-point discharge and surface-shaped application	For brush-painting and brush-painting applications	Multi-point discharge is possible

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What is Needle Nozzle?

Needle Nozzle is one of the key parts to achieve high-quality application at the manufacturing site. In order to respond to a wide range of applications, such as discharge, adhesion, and painting of precise liquids, there are various types and shapes, and the right selection according to the characteristics and applications of the product greatly improves the efficiency and quality of the manufacturing process.

In this article, we will explain in detail the broad lineup of Musashi Engineering's Needle Nozzle and the points of selection.

※Our company does not refer to the Nozzle Needle but the Needle Nozzle.

How to choose Needle Nozzle

There are four key points when selecting Needle Nozzle.

1. Select Nozzle of material that matches the type of liquid agent
2. Select Nozzle with a shape that matches the viscosity of the liquid
3. Select the Nozzle that matches the shape of the object to be applied (work)
4. Select the Nozzle that was in the shape of the application

• 1 Select Nozzle of material according to the type of liquid agent

The material of the needle Nozzle is broadly classified into metal or resin. For example, if the liquid is a material that is not compatible with resins such as organic solvents, it is desirable to select a metal. On the other hand, when dealing with materials that are reactive to metal, such as anaerobic adhesives, it is necessary to select a resin.

Made of metal	Made of resin

In addition, not only reactivity with liquid agents but also the presence or absence of permeability may be a condition for judgment. When using UV-curable resin that reacts and hardens with UV light, it is necessary to use a needle Nozzle made of materials that do not pass UV light.

Transmitting UV	It does not pass through UV

• 2 Select Nozzle in shape according to the viscosity of the liquid agent

The shape of the needle Nozzle is broadly classified into straight and taper shape. Nozzle, which has a straight shape, generally has a pipe shape with a certain length, so the piping resistance is high and the high viscosity liquid is difficult to flow, but it has the advantage that low viscosity liquid is difficult to liquidate. On the other hand, Nozzle, which has a taper shape, has a small resistance during liquid discharge and has excellent fluidity, making it suitable for expelling high viscosity materials in a short time.

Straight shape	Taper shape
Low viscosity material is hard to liquidate	Easy to discharge high viscosity material

• 3 Select the Nozzle that matches the shape of the object to be applied (work)

Depending on the shape of the workpiece, the point of selection is whether you can access the place Nozzle wants to apply. For example, if a taper shape is used, a straight-shaped Nozzle is used, or a product with a long needle tip is used. Depending on the workability, Nozzle made of resin that is difficult to damage the workpiece may be suitable. There is also a lineup of curved Nozzle that can penetrate narrow areas.

• 4 Select the Nozzle that was in the shape of the application

In many adhesive processes, application shapes of dots and lines are used, but special Nozzle can be applied in different shapes. A typical example is Slit Nozzle, which allows you to perform coating in a single application operation.

Dot dispensing-line application	Surface application	Ta Dot dispensing

Recommended for those who want to try various Nozzle!
Nozzle Kit

Reduce these four points and select the best Nozzle according to your purpose. When choosing the type and size of Nozzle, we also recommend the Nozzle kit with a basic Nozzle set. There are nine types of Nozzle in total. Of course, if you have any questions or concerns about the selection or application evaluation, please contact us.

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