Embroidery Supplies - Groz-Beckert

GROZ-BECKERT Embroidery Machine Needles

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DBXK5

For Commercial Machines
Round Shank, Large Eye, Sharp Point

10/70 11/75 12/80 14/90

100 Needles

$15.50

DBXK5 FG

For Commercial Machines
Round Shank, Large Eye, Ball Point

10/70 11/75 12/80 14/90

100 Needles

$15.50

Needles for Single and Multi head Embroidery Machines

With todays machines in the field of single and multi-head embroidery there is no limit to creativity. This is also the reason why during the past years the variety of different embroidery materials has increased rapidly.

Especially three-dimensional embroidery, embroidery on leather and technical textiles with different layers of material and coatings, combined with high machine speeds, is in many cases an extreme challenge for the embroidery machine needle.

In design and precision Groz-Beckert embroidery machine needles have adopted the requirements of the market.

Market requirements are:

Embroidery appearance excellence

Optimum functional safety

Reduced needle breakage

Extended (trouble-free) needle life

Needle-hole damage prevention

Minimized thread breakage for

Reduced machine downtime and to achieve

Highest performance and production efficiency

The DB X K5 and its special features

Variations of the DB X K5

The Original Needle for Single- and Multi-head embroidery

The needle system DBxK5 was especially developed for the use in modern high performance machines.

During research and development the following points had to be considered:

Reduction of skipped stitches and thread breakage
Maximum protection of thread and material
Safe thread loop pick up
Best universal point style
Eliminate looping
Optimum stitch fill (no gaps)

DB x K5 Standard

DB x K5 SAN®1 GEBEDUR®

DB x K5 KK

The feature and applications of the DB X K5

DB x K5 Standard		DB x K5 SAN®1 GEBEDUR®		DB x K5 KK
Shank Length: Standard Point Style: RG (Standard) Coating: Chrome Application: Standard needle for all common applications.		Shank Length: Standard Point Style: RG (Standard) Coating: Titanium Nitride Application: Needle with high stability and resistance against wear, universal applications		Shank Length: Short Point Style: RG (Standard) Coating: Chrome Application: Needle for certain embroidery machines and deep penetration applications (for example three-dimensional embroidery)

Stability comparison of the standard DB X K5 and its variations

Essentially the needle system DBxK5 has the highest stability. The bending resistance of the standard needle is higher than any of the other needle systems used in the embroidery industry.

The SAN 1® GEBEDUR®, with its special design and a titanium nitride coating, offers highest stability and maximum resistance against wear.

The blade design of the “KK” version corresponds to the standard DBxK5 needle. However, due to its shorter shank, bending resistance is lower.

A = Bending resistance (N/°)
1 = DB x K5
2 = DB x K5 SAN®1 GEBEDUR®
3 = DBxK5KK

Standard point RG and point variants

In various application tests the RG-point proved to be the most suitable point across a variety of materials.

There fore the RG-point is the standard point style for Groz-Beckert embroidery needles.

Standard Point RG

For other applications the following point styles are available:

FG / SUK
FFG / SES
R
SD

Other needle systems for embroidery

1 = Standard needle eye / long point R-point
2 = Standard needle eye / long point R-point
3 = large needle eye / short point R-point
4 = large needle eye / Standard point length RG-point
5 = point length
A = Bending resistance (N/°)

The needle stability

The other needle systems here were not specifically designed and produced for embroidery. Their application related features are designed for the use in single needle lockstitch machines. Nevertheless, many embroidery factories still today use these needles.

Known application problems and possible solutions

On knitwear

Material damage:
A needle point which is too sharp will create loop damage or needle cuts. A needle, which is too thick will push out the loop under tension and break it.

A DBxK5 size 65 with RG-point was used on this fine knitwear, the result is a nice embroidery design without any damages.

To avoid material damage when embroidering knitted fabrics, it is recommended in most cases to use needles with a ballpoint.

On fine knitwear the standard point RG (also FFG) and on coarse knitwear the FG-point.

In addition, needle size has a big influence on material damages. It goes without saying; tests with the requested needle size should be done before starting production.

On woven fabric

Irregular embroidery appearance:
Needle deflection caused by a needle which is too thin or a ballpoint which is too big results in an irregular embroidery design.

A DBxK5 75 with RG-point was used on this woven fabric, the result is an excellent embroidery design.

Whether on fine or heavy woven fabrics, if the ballpoint is too big or the used needle too thin, problems will occur during the embroidery operation. Irregular appearance of the embroidery design, thread breaks and also needle breakage can be the result.

High stability and at the same time maximum material protection are required! Features which the needle system DBxK5 offers in all sizes.

On leather

Irregular embroidery appearance:
When using a cutting point on embroidery, lengthways and across the grain, the cuts in the leather are different. In extreme cases, the design can be completely cut out from the leather.

A DBxK5 SAN® 1 GEBEDUR® with RG-point was used on this leather, the result is an attractive and consistently top quality embroidery design.

When embroidering onto leather, the needle point used has a significant influence on the appearance and the quality of the embroidery. Cutting points are not suitable for this application. The changes in the stitching direction will result in previously sewn threads being cut, excessive perforation of the leather and irregular stitch hole openings.

On fine and medium hard leather the RG- and R point are proven and on hard leather the R- or SD point are recommended.

Penetration forces through leather are relatively high, so needles must offer highest stability. The DBxK5 and in particular the DBxK5 SAN® 1 GEBEDUR® meet this requirement.


3-D Embroidery
	In order to achieve the 3-D-effect foam material is positioned on the embroidery base before being overstitched. The adhesion and the foam material leads to higher friction, not to mention the variety of thickness the needle has to contend with. In addition these embroidery designs often have to transverse panel seams in caps. Therefore the many forces placed upon the needle (and embroidery threads) can and do vary in the extreme.
Highest demands are put on a needle in Three - Dimensional Embroidery

For this sort of application the embroidery needles need to fulfil the following requirements:
Lower penetration force

Material protection
Raise (highest) stability
Eliminate skipped stitches
Reduced needle breakage
Precise embroidery fill
Clear design definition
Less thread breaks
High resistance against wear
Long lifetime

Besides Groz-Beckert’s standard DBxK5 needle, these demands are further reduced as problem areas by using the DBxK5 SAN® 1 GEBEDUR®.

After overstitching, the foam material is taken away from the embroidery. Any remaining parts of the foam material are removed carefully from the embroidered design.

Now the 3-D image is available. An acceptable result is only achieved with precise stitching. Thread is covering the foam material without gaps and no stitches looped. The material must not be damaged and the 3-D effect must be uniform.

Program single- and multi head embroidery needles

System

Point

Surface

55/7

60/8

65/9

70/10

75/11

80/12

85/13

90/14

100/16

110/18

120/19

DB x K5

Chrome

•

DB x K5

Chrome

•

DB x K5

FFG

Chrome

•

DB x K5

Chrome

•

DB x K5

Chrome

•

DB x K5

GEBEDUR®

•

DB x K5

FFG

GEBEDUR®

•

DB x K5

GEBEDUR®

•

DBxK5SAN®1

GEBEDUR®

•

DB x K5 KK

Chrome

•

1738

Chrome

•

1738

FFG

Chrome

•

1738

Chrome

•

1738

Chrome

•

1738

GEBEDUR®

•

1738

FFG

GEBEDUR®

•

1738

GEBEDUR®

•

1738 KK

Chrome

•

1738 KK

FFG

Chrome

•

DB x 1

Chrome

•

DB x 1

FFG

Chrome

•

DB x 1

Chrome

•

DB x 1

GEBEDUR®

•

DB x 1

FFG

GEBEDUR®

•

287 WKH

Chrome

•

287 WKH

FFG

Chrome

•

287 WKH

Chrome

•

287 WKH

GEBEDUR®

•

287 WKH

FFG

GEBEDUR®

•