GTW Developments Ltd - New company, new ideas.

111 series

Market research by GTW Developments identified the need for a family of yarn splicers which could perform most of the technical duties of conventional splicers, but which would be stronger, more reliable, and above all simpler to maintain and repair.   With the ever-increasing labour costs associated with maintenance staff, a prime customer requirement was a tool which could be serviced very quickly and easily,  and which would survive a harsh factory environment.

A programme of development by GTW Developments Ltd. led to the Model 1-11 Series of splicers. The 1-11 Series has, since its introduction, set a standard as an effective and user-friendly tool for making neat, strong joints in middle-range yarns such as continuous-filament synthetics and worsted-spun yarns.

The most notable characteristics of the 1-11 Series splicers are their remarkable simplicity and durability in service.  By the novel use of a modular system of construction, sub-assemblies can be added to a simple base-unit splicer to produce six different models, having subtly different characteristics.   Not only are the various splicers of modular construction, but they also incorporate certain novel features which make them unusually powerful, and economical in use. All splicers of the 1-11 Series are designed to make the traditional form of splice, which we call “ends-opposed”.

First stage: present first yarn to splicer The first yarn is placed in the splicer.

Second stage: present second yarn to splicer The second yarn is placed in the splicer.   Note the flat "X" form of the string-up.

Third stage: make the splice Press the trigger in one swift, single movement.   If the splicer has no timer, press the trigger until the splice is made, then release.   If the splicer has a timer, release the trigger once the blast ceases.

Fourth stage: remove the splice Once the splice is made, the completed joint is withdrawn and the waste ends are discarded.   This typical ends-opposed splice has a wide section at the centre, and small "tails" - the cut ends of the yarns which project very slightly from the ends of the splice.


All 1-11 splicers have a straight-line string-up; the paths of both yarns to be joined are in a single plane, with minimal diversion to the threadlines.            All have an unusually simple construction.   The only normal elements of the splicer which are visible to the user are the side-plates, the knife scissors, the yarn clamps, and the splicing chamber.   The simplicity of construction leads to a corresponding simplicity of maintenance; the splicer in its basic form can be completely dismantled and re-assembled in about twenty minutes.

The splicer has a very strong construction; it should resist damage in service better than most of its predecessors.   The splicer elements, as well as being strong, are simple, so that maintenance is quick and inexpensive.  

·         The splicers contain some new and patented technology.   The result is that the Model 1-11 needs a smaller range of splicing chambers than splicers of earlier generations.  
·         In special circumstances, the splicers can operate at unusually low air pressures - sometimes down as low as 2 bar, where most earlier splicers would seize-up.   This allows the 1-11 to make good splices in fragile yarns such as fine glass, by operating in a low-pressure mode.
1-11  Series splicers are available in twelve forms:

 
MODEL
Description
Handle configuration
 
 
NON-TIMER MODELS
 
1
1-11 H
Portable, hand held
Long
2
1-11 S
Fixed
Short
3
1-11 B
Moveable, rail mounted
Short
4
1-11 HW
Portable, hand held and with hanger
Long
5
1-11 SW
Semi-fixed, removable from hanger
Short
6
1-11 BW
Moveable, rail mounted, removable from hanger
Short
 
   
 
 
 
TIMER MODELS
 
7
1-11 HT
Portable, hand held
Long
8
1-11 ST
Fixed
Short
9
1-11 BT
Moveable, rail mounted
Short
10
1-11 HWT
Portable, hand held and with hanger
Long
11
1-11 SWT
Semi-fixed, removable from hanger
Short
12
1-11 BWT
Moveable, rail mounted, removable from hanger
Short

Typical applications (all models)

Splice format
Ends-opposed
 
 
Typical applications
Weaving
 
Knitting
 
Fine-gauge tufting
 
Wool worsted suitings
 
Heat-set synthetics
 
 
 
 
Yarns
Synthetic continuous filament
 
Synthetic staple
 
Wool worsted
 
Wool/synthetic
 
Glass (low pressure operation)
 
Carbon (low pressure operation)
 
 
 
 
Yarn count, small splicing chamber
Nm 10 to Nm 200
Yarn count, standard splicing chamber
Nm 2.5 to Nm 20
Yarn count, large splicing chamber
Nm 1.5 to Nm 2.5
Yarn count, extra-large splicing chamber
Nm 0.7 to Nm 1.5
 
 
 
 
Yarn twist direction
Medium twist, any direction, no modification needed.