Difference between Straight Knife and Round Knife Cutting Machine

By | May 6, 2017

Difference between Straight knife and Round knife Cutting Machine

Noor Ahmed Raaz
B.Sc. in Textile Engineering (CU)
Lecturer, Department of Textile Engineering
Atish Dipankar University of Science & Technology
Email: raju.uttara105@gmail.com

 

Hand operated Cutting Machine:

Hand shears are normally used when cutting only single or double plies. The lower blade of the shears passes under the plies, but the subsequent distortion of the fabric is only temporary and accurate to the line can be achieved with practice. This method is flexible enough to accommodate any fabric construction and pattern shape.

Straight Knife:

Straight knife is the most common cutting knife in garments cutting section. This machine has less workload and cutting efficiency is higher than round knife. Straight knife machine is popular for its cutting angle. In this machine, fabric can cut at any angle.

Straight Knife

Straight Knife

Round Knife:

Round knife is not like as common cutting knife like straight knife in garments cutting section. This machine has high workload and cutting efficiency is lower than straight knife. Round knife is narrower than band knife, therefore, machine is stationary and fabric is movable.

Round Knife

Round Knife

The difference between Straight knife and Round knife:

The difference between Straight knife and Round knife are given below-

S/L
Substances
Straight Knife
Round Knife
01
Movability
In this machine, machine is movable but fabric is fixed.
In this machine, machine is stationary and fabric is movable.
02
Knife Thickness
Knife is narrower than band knife.
03
Accident Rate
Accident rate of this machine is high.
Accident rate of this machine is low.
04
Work Load
Workload is less than round knife.
Workload is higher than straight knife.
05
Cut Possibility
In this machine, there has possible to cut fabric.
Not possible to cut directly.
06
Similar
Straight knife is not like saw cutter.
Round knife is almost like saw cutter.
07
Cut Angle
Fabric can cut at any angle.
Possible to cut the fabric layer in 90°.

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