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Band Knife Cutting Machines
1
Introduction
• A band knife is a power tool used for cutting cloth. Very
similar in operation to a band saw, it has an endless
loop blade and the material to be cut is supported by a flat
table.
• Band Knife blades are used on two types of machines
depending on the material being cut/processed:
 Vertical band knife machine
 Horizontal band knife machine
2
Vertical Band Knife Machine
• On a vertical band knife machine usually a narrow width band knife blade
is used, the most common width being 10mm. The length of the band knife
blade depends on the supplier of the band knife machine.
• The dimensions are indicated on a small metal tag pasted or riveted on the
machine.
• The vertical machine band knife blade is most commonly twisted 180
degrees to enable cutting while advancing the table and also while
retracting the work table.
• It has been observed that a narrow width on a vertical band knife machine
gives better dimensional accuracies on the foam block.
• The wider the vertical machine band knife - more the deflection and size
variation from one end to the other extreme end.
3
Horizontal band knife Machine
• Horizontal band knife blades are wider usually
30mm wide for foam converting is popular, for
leather goods 50mm wide blade is popular, 85mm
width is popular for the tannery splitting band knife.
• There are other widths depending on the machine
manufacturer. The horizontal machine band knife
blade is supported by a guide to give dimensional
accuracies while cutting/splitting.
4
Band Knife Machine
• Band Knife is a stationary cutting machine.
They have fine blades that rotate through a slot in the
cutting table while cutting.The operator positions
,controls,and guides the fabric block around the knife.
• They are basically same as band-saw machines the
only major difference are the blade edges ,type and
speed of the machine.
• It consists of a series of three or more pulleys
powered by an electric motor with a continuously
rotating steel blade mounted on them.A Band Knife
Machine is an endless and looks like a loop.
5
• It is used for cutting of fabric rolls without
cardboard inner tube.
• This cutting machine works automatically
according to the height of the relevant material.
• This machine is with special blower which
decreases resistance between fabrics and
table,which enables the fabrics be moved easily
and be cut precisely.
• it has adjustable speed to fit different fabrics
6
Band Knife Machine
 A CUTTING TABLE
 THREE OR MORE
PULLEYS
 STEEL BLADE
 ELECTRIC MOTOR
 SHARPENING
ASSEMBLY
7
8
Band saw Machine Band Knife Machine
Standard Equipments
9
• Variable speed with Inverter Motor-Knife speed is easily
controlled by INVERTER SYSTEM according to the type of
material. Inverter Speed Control System provides smooth
cutting at the high and low speed.
• Ball Nozzle Airflow Work Table- Air Mats is formed on the
table to move cutting material lightly, smoothly and provides
easy cutting without collapsing the pile of fabrics.
• Automatic Sharpening Device-Originally designed
Automatic Sharpening Device is equipped. Various grits of
sharpening stone are available according to the material.
• Knife Cooling Silicon Pad- Silicon Pack is easily
removed and installed. It eliminates the fusion
of chemical yarn and interlining cloth yarn.
• Knife Speed Digital Display-Knife speed is shown on
the digital indicator and easily controlled.
• Carrying Caster- Carrying Caster is equipped for easy
removal to meet the requirement of relocation.
• Carbide-tipped knife-guiding plate – for cutting
extremely strong materials
• Carbide-tipped blade scraper – for automatic knife
cleaning.
• Motor-protection switch – automatic overload
protection
• Knife-wetter – for plastics, rubber materials and the
like.
10
Vertical Cutting Stroke Velocity
• The VCSV of a band knife machine is equal to rpm of the
blade.
• The blade of a band knife machine circulates in the basic
shape of standard conveyor belts;two equal parallel lines
whose parallel ends are joined by two semicircles.In such
situations,the blade rpm is equal to the motor rpm times
2 πr where r is the radius from the motor shaft to the
blade’s perimeter in the semicircle where the motor
drives the band Knife.
• In other Band Knife Machines three or more pulleys are
used to circulate the blade.In these machines the blade
VCSV is equal to the velocity of a point on the perimeter
of the drive pulley(s).
11
Advantages of Band Knife Machines
Over Other Cutting Machines
• Band Knives are finer and narrower than
reciprocating blades which makes it easier to
manipulate tight curves and intricate patterns.
• Band Knives are more accurate than vertical knives
when used to cut small blocks.
• The Cutting Pitch of band knife blade is higher than
the pitch of many st.knife blades thus all segments of
the blade gets equal wear n tear.
• Needs less minimum cutting allowance than die
cutters.
12
• Balls in air blower help to move the fabric in different
direction
• High speed r.p.m. motor is used.
• Very large productivity for limited product Such as collars,
cuff, placket etc.
• Air blower helps to reduce the fabric weight which
increases smooth movement of fabric
• Possible to cut 900 angle of the lay
• Automatic grinder grind the knife instantly.
• They are faster and less labor intensive.
• Has lower noise.
13
Disadvantages of Band Knives
• It is not possible to cut the fabric directly from lay.
• Fabric wastage is high.
• Work Load is high as machine is stationary and fabric
is movable.
• Running cost is higher.
• Wouldn’t be used for cutting a whole spread or large
pieces because the the operator would be required to
maneuver the block around the table.
• Require fix space
14
Using Band Knives
• Band knives are used when a higher standard of cutting
accuracy is required .
• Space must be left around garment parts when planning the
marker so that they can be sectioned out using a straight knife
and then cut exactly using the band knife.
• When small parts such as collars, cuffs and pockets are cut, a
template of metal or fiber board in the shape of the pattern
piece may be clamped to the section of lay on top of the
marker.
• Band knives are used more in menswear than in womenswear
and are often used to cut parts such as the large panels of
jackets and overcoats.
15
Safety Equipments
GLOVES
Made of Stainless steel according to
the EUROPEAN STANDARDS
EN1082-1
ELECTROMAGNETIC
CATCHERS
It protects the band knife blade from
escaping from the course.
Two Catchers block the broken band
Knife hence cutting becomes safe.
Blades Available to cut garments
17
Sizes of Blades Available
Width Thickness
5 mm 0.80 mm
10 mm 0.45 , 0.50 mm
12 mm 0.45 , 0.50 , 0.60 mm
15 mm 0.45 , 0.50 , 0.60 mm
20 mm 0.45 , 0.50 , 0.60 mm
25 mm 0.45 , 0.50 , 0.60 mm
30 mm 0.45 , 0.50 , 0.60 mm
40 mm 0.50 , 0.60 mm
50 mm 0.60 , 0.80 , 1.00 mm
60 mm 0.60 , 0.80 , 1.00mm
76mm 0.80 , 1.00
85 mm 1.20 mm
90 mm 1.00 , 1.20 mm
PROVIDED BY: DIAMOND BAND KNIFE
TECHNICAL SPECIFICATION
OF DIFFERENT BAND KNIFE
MACHINES
Takayama-TA700
Machine features:
a) This machine is with special blower
• which decreases the resistance between fabrics
and the table
• Enables the fabrics to be moved easily and cut
precisely.
b) Adjustable speed to fit different fabrics
c)Comes in air cushion type or drive type
FEATURE TAKAYAMA TA-700
TABLE SIZE 1200X1600mm
CUTTING HEIGHT 180mm
KNIFE SPAN 700mm
Richpiece standard series
• Features:
Adopts air cushion type
• Advantages:
a) Straight and accurate cutting from the first layer to
the bottom layer
b) Air blowing table provides air cushion for material
easy movement
c) Equipped with knife sharpening device
d) High accuracy and vertical cutting finish
e) Adjustable knife running speed
• APPLICATIONS : cotton,synthetic
fibres,sponge,leather
FEATURE RP-S500 RP-S700 RP-S900 RP-S 1200
ARM LENGTH 500 mm 700mm 900mm 1200mm
THICKNESS OF
CUTTING
180mm 180mm 180mm 180mm
VOLTAGE 380v/550W 380v/550W 380v/550W 380v/550W
OSHIMA BAND KNIFE
• Machine with air blowing and knife blade catcher in case of
break, complete with stainless steel protecting gloves
• Variable speed control of the blade facilitates the cutting of
diverse fabrics
• The blowing from table top makes the airspace under cutting
fabric what facilitates the manoeuvring of it.
• Oshima band knife is equipped with the special detector
(responsible for the work of band knife blade) and the special
protecting blade system (protects band knife blade from escape
from the course) in case of break
• There are 2 electromagnetic catchers which block broken band
knife blade.Owing to this solution working with band knife
machine become to be more safe .
• Table size 1200 mm x 1500 mm.
• Gap between the blade and carrier arm is 700
mm.
• Cutting capacity maximum 180 mm.
• Dimension of the band knife blade 3500 x 10
x 0,45 mm
• VOLTAGE 230V
SPECIFICATION EASTMAN NGAI SHING
EC-700N EC-900N NS810-700 NS810-900
TABLE SIZE 1500*1800 1500*2100 1200*1800 1200*2100
ARM LENGTH 700 900 700 900
SPEED CONTROL 570M/MIN TO 570M/MIN TO
1140M/MIN 1140M/MIN
11.5M/SEC TO 11.5M/SEC TO
20M/SEC 20M/SEC
MACHINE WEIGHT 265 KG 285KG 280KG 310KG
KNIFE SIZE .45*10*3500mm .45*10*3960 mm .45*10*3500mm .45*10*3860mm
MOTOR POWER 1HP 1HP 1HP 1HP
VOLTAGE 220V 220V 220V 220V
BLOWER MOTOR .17HP .17HP .25HP .25HP
MACHINE SIZE 1600*800*1900 2200*800*1600 920*1720*1780 920*2120*1780
Band Knife Cutting Machines Price
Trends
27
The price curve showed in the graph is calculated among the
top high quality band knife cutting machine suppliers, and
the band knife cutting machine price is given based on the
last seven weeks price trend
713.26 713.26
5.47 4.2 1.4
Band Knife in other Industries
• Band Knife blades also have applications for cutting/slitting or
converting foam, meat processing, and packaging industries
• band knife blades are also used for
splitting leather, paper, EVA/Rubber and carpets.
• Horizontal band knife blades are wider usually 30mm wide for
foam converting is popular, for leather goods 50mm wide
blade is popular, 85mm width is popular for the tannery
splitting band knife.
• There are other widths depending on the machine
manufacturer. The horizontal machine band knife blade is
supported by a guide to give dimensional accuracies while
cutting/splitting.
28
Band Knife Cutting Machine Video:
• Band knife cutting machine 2.mp4
Band Knife Cutting Machine Catalogue:
band-knife-cutting-machine.pdf
cosmo_cosmo120_ (1).pdf
29
Thank You………!!!
30

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Band-knife

  • 1. Band Knife Cutting Machines 1
  • 2. Introduction • A band knife is a power tool used for cutting cloth. Very similar in operation to a band saw, it has an endless loop blade and the material to be cut is supported by a flat table. • Band Knife blades are used on two types of machines depending on the material being cut/processed:  Vertical band knife machine  Horizontal band knife machine 2
  • 3. Vertical Band Knife Machine • On a vertical band knife machine usually a narrow width band knife blade is used, the most common width being 10mm. The length of the band knife blade depends on the supplier of the band knife machine. • The dimensions are indicated on a small metal tag pasted or riveted on the machine. • The vertical machine band knife blade is most commonly twisted 180 degrees to enable cutting while advancing the table and also while retracting the work table. • It has been observed that a narrow width on a vertical band knife machine gives better dimensional accuracies on the foam block. • The wider the vertical machine band knife - more the deflection and size variation from one end to the other extreme end. 3
  • 4. Horizontal band knife Machine • Horizontal band knife blades are wider usually 30mm wide for foam converting is popular, for leather goods 50mm wide blade is popular, 85mm width is popular for the tannery splitting band knife. • There are other widths depending on the machine manufacturer. The horizontal machine band knife blade is supported by a guide to give dimensional accuracies while cutting/splitting. 4
  • 5. Band Knife Machine • Band Knife is a stationary cutting machine. They have fine blades that rotate through a slot in the cutting table while cutting.The operator positions ,controls,and guides the fabric block around the knife. • They are basically same as band-saw machines the only major difference are the blade edges ,type and speed of the machine. • It consists of a series of three or more pulleys powered by an electric motor with a continuously rotating steel blade mounted on them.A Band Knife Machine is an endless and looks like a loop. 5
  • 6. • It is used for cutting of fabric rolls without cardboard inner tube. • This cutting machine works automatically according to the height of the relevant material. • This machine is with special blower which decreases resistance between fabrics and table,which enables the fabrics be moved easily and be cut precisely. • it has adjustable speed to fit different fabrics 6
  • 7. Band Knife Machine  A CUTTING TABLE  THREE OR MORE PULLEYS  STEEL BLADE  ELECTRIC MOTOR  SHARPENING ASSEMBLY 7
  • 8. 8 Band saw Machine Band Knife Machine
  • 9. Standard Equipments 9 • Variable speed with Inverter Motor-Knife speed is easily controlled by INVERTER SYSTEM according to the type of material. Inverter Speed Control System provides smooth cutting at the high and low speed. • Ball Nozzle Airflow Work Table- Air Mats is formed on the table to move cutting material lightly, smoothly and provides easy cutting without collapsing the pile of fabrics. • Automatic Sharpening Device-Originally designed Automatic Sharpening Device is equipped. Various grits of sharpening stone are available according to the material.
  • 10. • Knife Cooling Silicon Pad- Silicon Pack is easily removed and installed. It eliminates the fusion of chemical yarn and interlining cloth yarn. • Knife Speed Digital Display-Knife speed is shown on the digital indicator and easily controlled. • Carrying Caster- Carrying Caster is equipped for easy removal to meet the requirement of relocation. • Carbide-tipped knife-guiding plate – for cutting extremely strong materials • Carbide-tipped blade scraper – for automatic knife cleaning. • Motor-protection switch – automatic overload protection • Knife-wetter – for plastics, rubber materials and the like. 10
  • 11. Vertical Cutting Stroke Velocity • The VCSV of a band knife machine is equal to rpm of the blade. • The blade of a band knife machine circulates in the basic shape of standard conveyor belts;two equal parallel lines whose parallel ends are joined by two semicircles.In such situations,the blade rpm is equal to the motor rpm times 2 πr where r is the radius from the motor shaft to the blade’s perimeter in the semicircle where the motor drives the band Knife. • In other Band Knife Machines three or more pulleys are used to circulate the blade.In these machines the blade VCSV is equal to the velocity of a point on the perimeter of the drive pulley(s). 11
  • 12. Advantages of Band Knife Machines Over Other Cutting Machines • Band Knives are finer and narrower than reciprocating blades which makes it easier to manipulate tight curves and intricate patterns. • Band Knives are more accurate than vertical knives when used to cut small blocks. • The Cutting Pitch of band knife blade is higher than the pitch of many st.knife blades thus all segments of the blade gets equal wear n tear. • Needs less minimum cutting allowance than die cutters. 12
  • 13. • Balls in air blower help to move the fabric in different direction • High speed r.p.m. motor is used. • Very large productivity for limited product Such as collars, cuff, placket etc. • Air blower helps to reduce the fabric weight which increases smooth movement of fabric • Possible to cut 900 angle of the lay • Automatic grinder grind the knife instantly. • They are faster and less labor intensive. • Has lower noise. 13
  • 14. Disadvantages of Band Knives • It is not possible to cut the fabric directly from lay. • Fabric wastage is high. • Work Load is high as machine is stationary and fabric is movable. • Running cost is higher. • Wouldn’t be used for cutting a whole spread or large pieces because the the operator would be required to maneuver the block around the table. • Require fix space 14
  • 15. Using Band Knives • Band knives are used when a higher standard of cutting accuracy is required . • Space must be left around garment parts when planning the marker so that they can be sectioned out using a straight knife and then cut exactly using the band knife. • When small parts such as collars, cuffs and pockets are cut, a template of metal or fiber board in the shape of the pattern piece may be clamped to the section of lay on top of the marker. • Band knives are used more in menswear than in womenswear and are often used to cut parts such as the large panels of jackets and overcoats. 15
  • 16. Safety Equipments GLOVES Made of Stainless steel according to the EUROPEAN STANDARDS EN1082-1 ELECTROMAGNETIC CATCHERS It protects the band knife blade from escaping from the course. Two Catchers block the broken band Knife hence cutting becomes safe.
  • 17. Blades Available to cut garments 17
  • 18. Sizes of Blades Available Width Thickness 5 mm 0.80 mm 10 mm 0.45 , 0.50 mm 12 mm 0.45 , 0.50 , 0.60 mm 15 mm 0.45 , 0.50 , 0.60 mm 20 mm 0.45 , 0.50 , 0.60 mm 25 mm 0.45 , 0.50 , 0.60 mm 30 mm 0.45 , 0.50 , 0.60 mm 40 mm 0.50 , 0.60 mm 50 mm 0.60 , 0.80 , 1.00 mm 60 mm 0.60 , 0.80 , 1.00mm 76mm 0.80 , 1.00 85 mm 1.20 mm 90 mm 1.00 , 1.20 mm PROVIDED BY: DIAMOND BAND KNIFE
  • 20. Takayama-TA700 Machine features: a) This machine is with special blower • which decreases the resistance between fabrics and the table • Enables the fabrics to be moved easily and cut precisely. b) Adjustable speed to fit different fabrics c)Comes in air cushion type or drive type
  • 21. FEATURE TAKAYAMA TA-700 TABLE SIZE 1200X1600mm CUTTING HEIGHT 180mm KNIFE SPAN 700mm
  • 22. Richpiece standard series • Features: Adopts air cushion type • Advantages: a) Straight and accurate cutting from the first layer to the bottom layer b) Air blowing table provides air cushion for material easy movement c) Equipped with knife sharpening device d) High accuracy and vertical cutting finish e) Adjustable knife running speed • APPLICATIONS : cotton,synthetic fibres,sponge,leather
  • 23. FEATURE RP-S500 RP-S700 RP-S900 RP-S 1200 ARM LENGTH 500 mm 700mm 900mm 1200mm THICKNESS OF CUTTING 180mm 180mm 180mm 180mm VOLTAGE 380v/550W 380v/550W 380v/550W 380v/550W
  • 24. OSHIMA BAND KNIFE • Machine with air blowing and knife blade catcher in case of break, complete with stainless steel protecting gloves • Variable speed control of the blade facilitates the cutting of diverse fabrics • The blowing from table top makes the airspace under cutting fabric what facilitates the manoeuvring of it. • Oshima band knife is equipped with the special detector (responsible for the work of band knife blade) and the special protecting blade system (protects band knife blade from escape from the course) in case of break • There are 2 electromagnetic catchers which block broken band knife blade.Owing to this solution working with band knife machine become to be more safe .
  • 25. • Table size 1200 mm x 1500 mm. • Gap between the blade and carrier arm is 700 mm. • Cutting capacity maximum 180 mm. • Dimension of the band knife blade 3500 x 10 x 0,45 mm • VOLTAGE 230V
  • 26. SPECIFICATION EASTMAN NGAI SHING EC-700N EC-900N NS810-700 NS810-900 TABLE SIZE 1500*1800 1500*2100 1200*1800 1200*2100 ARM LENGTH 700 900 700 900 SPEED CONTROL 570M/MIN TO 570M/MIN TO 1140M/MIN 1140M/MIN 11.5M/SEC TO 11.5M/SEC TO 20M/SEC 20M/SEC MACHINE WEIGHT 265 KG 285KG 280KG 310KG KNIFE SIZE .45*10*3500mm .45*10*3960 mm .45*10*3500mm .45*10*3860mm MOTOR POWER 1HP 1HP 1HP 1HP VOLTAGE 220V 220V 220V 220V BLOWER MOTOR .17HP .17HP .25HP .25HP MACHINE SIZE 1600*800*1900 2200*800*1600 920*1720*1780 920*2120*1780
  • 27. Band Knife Cutting Machines Price Trends 27 The price curve showed in the graph is calculated among the top high quality band knife cutting machine suppliers, and the band knife cutting machine price is given based on the last seven weeks price trend 713.26 713.26 5.47 4.2 1.4
  • 28. Band Knife in other Industries • Band Knife blades also have applications for cutting/slitting or converting foam, meat processing, and packaging industries • band knife blades are also used for splitting leather, paper, EVA/Rubber and carpets. • Horizontal band knife blades are wider usually 30mm wide for foam converting is popular, for leather goods 50mm wide blade is popular, 85mm width is popular for the tannery splitting band knife. • There are other widths depending on the machine manufacturer. The horizontal machine band knife blade is supported by a guide to give dimensional accuracies while cutting/splitting. 28
  • 29. Band Knife Cutting Machine Video: • Band knife cutting machine 2.mp4 Band Knife Cutting Machine Catalogue: band-knife-cutting-machine.pdf cosmo_cosmo120_ (1).pdf 29