Shalimar Wires Industries Ltd. || Untitled Document
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SINGLE LAYER FORMING FABRIC
 
This is the simplest forming fabric and is available in 4 different varieties:
 
2shaft plain weave (one up one down) design is normally used on extractor mould and for various applications, effluent treatment plants, sludge de-watering machines etc.
 
3 shaft (one up two down) is used for sludge de-watering, washer and bleacher.
 
4shaft (one up three down) is simplest in construction as it imparts less wire marking and it is dominated by warp yarns. This design is commonly used in manufacture of all varieties of paper grade.
 
5 shaft (one up four down) this design has more internal void volume, more drainage capacity. This design finds more usage in Kraft and tissue making and writing /printing machines where more drainage is required.
 
  Industry Catagory & Type  
Application Industry : Paper & Pulp Industry
Type: 2,3,4,5-shaft design
 
PLAIN
 
2-Shaft Plain Weave (one up one down) is the most simple design in forming fabric. Most commonly used in pulp sheet, sludge de-watering, straw board, extractor mould, pulp washer, bleacher, etc.
Large image
 
FEATURES
 
Simple construction
High fiber support index
Square mesh
Good drainage
Better sheet release
BENEFITS
 
Good retention
Good drainage
Two Shed Design Suitable for Pulp Mill application (Woven Seam). Can be supplied in endless, open ended and pin / clipper / loop seams.
Single Layer- 2 Shaft
 
Properties Range
Warp ends per cm  7-18
Weft count per cm 7-10
Pattern Description 2 Shaft single layer
Caliper (mm) 0.90 - 1.6
Air permeability (CFM) 350 - 600
Fiber support index 36 - 54
 
3-SHAFT
 
This is a 3-Shaft Twill Weave (one up two down) design. This design is normally used for various filtration purposes, effluent treatment plant, pulp sheet manufacturing, sludge de-watering, washers, bleachers, etc
Large image
 
FEATURES
 
Most Simple in construction
Good sheet support
High air permeability
Good drainability
BENEFITS
 
High drainage capacity
Higher wear side filament offers high life potentials
Easy cleanability
Three Shed Design Available in Twill & Herring bone pattern. More dimensionally stable then Two Shed design. Ideally suitable for Belt press, Pulp mill & E.T.P Can be supplied in endless (Woven Seams), open ended and pin / clipper / loop seams.
Single Layer- 3 Shaft
 
Properties Range
Warp ends per cm  10 - 11
Weft count per cm 6 - 7
Pattern Description 3 Shaft single layer
Caliper (mm) 1.6 - 1.8
Fiber support index 34 - 58
Air permeability (CFM) 350 - 450
 
4-SHAFT
 
This is woven in 4-Shaft construction (one up three down) simple in construction, dominated by warp yarns. This design is commonly used in manufacturing all varities of paper grades.
Large image
 
FEATURES
 
Most Simple in construction
Dominated by warp yarns
Available in finer and closer varieties
Available both as warp and weft runner
BENEFITS
 
Excellent drainage capacity
Restricts wire mark
Moderate retention
Four Shed Design Mesh available from 16/cm to 30/cm. Can be supplied in various combinations of warp (MD) yarns and welt (CD) yarn diameters. Specially suitable for writing printing papers where empahsis is on the formation of paper and also in coarseness. It is widely used in Liner Board, Pulp Board etc.
Single Layer- 4 Shaft
 
Properties Range
Warp ends per cm 10-13
Weft count per cm 14-22
Pattern Description 4 Shaft single layer
Caliper (mm) 0.5-1
Air permeability (CFM) 350 - 550
Fiber support index 50-85
 
5-SHAFT
 
5-Shaft (one up four down) design has more internal void volume, more drainage capacity. This design is widely used in manufacturing writing / printing, kraft, tissue, newsprint, etc.
Large image
 
FEATURES
 
Simple in construction
Increased void volume over 4-shed
High volume of wear side material thus longer life
Uniform hole size
BENEFITS
 
Offers better drainage than 4-shaft
Good fiber support / retention
Good sheet release
Good life potential
Five Shed Design Mesh available from 22/cm to 30/cm Can be supplied in various combinations of warp (MD) yarns and weft (CD) yarns diameters Suitable for all type of paper grades where emphasis is on life of forming fabrics. Can be Supplied warp(MD) runner for tissue machines
Single Layer- 5 Shaft
 
Properties Range
Warp ends per cm  22-28
Weft count per cm 16-25
Caliper (mm) 0.5-0.7
Fiber support index 60-80
Air permeability (CFM) 400-600
 
8-SHAFT SINGLE LAYER
 
8-Shaft Single Layer (two up six down) design has more internal void volume, more drainage capacity. 8-shed single layer fabric is suitable for making high basis weight paper and packing papers.
Large image
 
FEATURES
 
Simple in construction
Increased void volume over 5-shed
High volume of wear side material thus longer life
Uniform hole size
BENEFITS
 
Offers better drainage than 5-shaft
Good life potential
Eight Shed Design Mesh available from 22/cm to 30/cm Can be supplied in various combinations of warp (MD) yarns and weft (CD) yarns diameters Suitable for mainly packing grades where emphasis is on life of forming fabrics.
Single Layer- 8 Shaft
 
Properties Range
Warp ends per cm  22-28
Weft count per cm 16-25
Caliper (mm) 0.5-0.7
Fiber support index 60-80
Air permeability (CFM) 400-600
 
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