Difference between Straight knife and Round knife Cutting Machines
Noor Ahmed Raaz
Specialized in Apparel Manufacturing
Owner and Editor in chief Textile Merchandising
Asst. Prof., Department of Textile Engineering
Atish Dipankar University of Science & Technology
Email: mnnabi@adust.edu.bd
Hand operated Cutting Machines:
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
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
The difference between Straight knife and Round knife:
The difference between Straight knife and Round knife are given below-
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S/L
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Substances
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Straight Knife
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Round Knife
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01
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Movability
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In this machine, machine is movable but fabric is fixed.
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In this machine, machine is stationary and fabric is movable.
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02
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Knife Thickness
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Knife is narrower than band knife.
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03
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Accident Rate
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Accident rate of this machine is high.
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Accident rate of this machine is low.
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04
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Work Load
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Workload is less than round knife.
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Workload is higher than straight knife.
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05
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Cut Possibility
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In this machine, there has possible to cut fabric.
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Not possible to cut directly.
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06
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Similar
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Straight knife is not like saw cutter.
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Round knife is almost like saw cutter.
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07
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Cut Angle
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Fabric can cut at any angle.
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Possible to cut the fabric layer in 90°.
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Mohammad Noor Nabi, known by his author name Noor Ahmed Raaz, is a PhD Fellow at Bangladesh University of Textiles (BUTEX) and the Founder & Editor of Textile Merchandising. He is also an Assistant Professor and Chairman of the Textile Engineering Department at a renowned university in Dhaka, Bangladesh. His research focuses on textile innovation and sustainability. Awarded the Research & Development Fellowship twice from the Ministry of Science & Technology in Bangladesh, Noor Ahmed Raaz is dedicated to advancing textile engineering through education, research, and industry collaboration. For inquiries or collaborations, contact Noor Ahmed Raaz via email at textilemerchandising1@gmail.com or WhatsApp at +8801673758271.