Comparison Between Round Knife and Straight Knife in Apparel Industry:
Cutting is one of the most important process in apparel manufacturing industry. There are different types of cutting machines used in the cutting department like as straight knife cutting machine, round knife cutting m/c, band knife cutting m/c, die cutting m/c, notcher cutting machine, drill cutting m/c, computer controlled knife cutting machine, laser beam cutting machine, water Jet cutting machine, plasma torch cutting machine. This article has presented 25 major differences of straight knife and band knife cutting machine.
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- 10 Fabric Cutting Machines with Pictures
- Advantage and Disadvantage of Straight Knife Cutting Machines
- Working Procedure of Water Jet Cutting Machines in Readymade Apparel Industry
- Cutting Cost Calculation Formula | Fabric Cutting Cost in Bangladesh
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Major Difference Between Round Knife and Straight Knife Cutting Machine:
Manual grinder is used.
Reciprocates up and down.
Corners and curves can be cut accurately.
Suitable only for cutting in straight
lines or very gradual curves, in depths of about 15cm.
Most versatile and commonly used.
Not popular as like straight knife.
Blades length 6 to 14 inches.
Knife diameter varies from 6-20cm.
It has vertical blade.
Small blade cuts single layer.
Comparatively higher cost than straight knife.
Lubrication is manually done.
Can be moved easily by wheel.
Cannot be moved easily by wheel.
Suitable for straight line & curve line.
Suitable for gentle curve line cutting.
Fabric can be cut from any angle.
Fabric cannot be cut from any angle.
Can be cut high curve line than round knife.
Can be cut less curve line than straight knife.
A large number of fabric lays can be cut by the machine due to high length of knife & R.P.M of the motor.
Low productivity since few number of lay can be cut.
Productivity is higher than round knife.
Apparel productivity is lower than straight knife.
Higher R.P.M and knife height.
Very low R.P.M and knife height.
Suitable for higher production.
Not suitable for large production.
In this machine, machine is movable but fabric is fixed.
Machine is stationary and fabric is movable.
Risk is high for physical damage of operator.
Less possibility compared to straight knife.
Here, knife is thicker.
Knife is narrower than straight knife.
Less work load than round knife.
Work load is higher than straight knife.
Motor R.P.M is 3000 to 4000.
Motor R.P.M is 800 to 1600.
There is possibility to cut fabric.
Not possible to cut fabric directly.
Knife height is 10 cm to 33 cm.
Knife diameter varies from 6-20 cm.
Sharp and heavy corners can be cut.
Flexible movement helps to cut non-linear shape.
It is not like saw cutter.
It is like saw cutter.