Introduction
Cutting fabric layups is one of the most important stages in apparel production because it affects fit, fabric yield, and overall production quality. Fabric cutting and bundling are closely linked in this process because accurate cutting supports better sorting, size control, and smoother sewing preparation. Manufacturers use a mix of stationary equipment, portable cutters, and computerized systems to handle lightweight, heavy-duty, woven, knit, synthetic, foam, and rubber materials. The right machine depends on the fabric, the layup height, and the required finish. Careful measuring, inspection, marking, bundling, and fusing also help keep the cutting room organized and efficient from start to finish.
Portable Fabric Cutters
In preparation for cutting fabrics, manufacturers employ a variety of machines, including large pieces of stationary equipment and handheld tools, selected for different cutting speeds and fabric weights. Stationary and portable cutting equipment in a variety of sizes are engineered for heavy-duty and general-purpose cutting of lightweight to heavy-duty fabrics, from work clothes to lingerie. Blades are designed with straight, serrated, wave, or saw-toothed edges, to accommodate various fabric constructions and layup heights. In addition, there are knives engineered to cut through synthetic, foam, and rubber materials.
Knives are sharpened with smooth, medium, or coarse grit stones or belts, depending on the edge needed for the type of fabric to be cut. A knife used for synthetic fabrics requires lubrication, with a stainless liquid automatically dispensed along the blade, to reduce heat buildup, which causes fabric fusion and can damage the cut edge.
To ensure the safety of the operator and produce quality cutting along the ends and selvages of the fabric spread, manually operated portable cutting machines, such as a band knife or knife blade, require a minimum of 4 inches (10 cm) of unoccupied space between the edges of the cutting table and all edges of the fabric layup.
Computerized Fabric Cutting Machines
Stationary cutting machines controlled by computer software may contain a self-sharpening vertical reciprocating blade, a water jet, or a laser to cut the piles of fabric in a layup. Fabric piles are laid on a table with a bristled surface to be cut by an automated machine with a vertical reciprocating blade. The layup is covered with a film of plastic; then a vacuum beneath the bristled surface removes the air to provide a dense, compressed block for cutting, which helps prevent shifting during the cut. The bristle surface of the cutting table allows the blade to fully penetrate all layers of the spread for accurate, repeatable results.
Laser Cutting Machines
Computerized laser cutting machines utilize a laser beam to burn or dissolve the fabric along the cutting lines of the marker and through the multiple layers of fabric without fusing the layers together.
Water Jet Cutting Machines
Computerized water jet cutting machines utilize a high-intensity water jet stream to pierce through the multiple layers of fabric at a high rate of speed that does not wet the fabric plies.
Vertical Reciprocating Blade Cutting Machines
Computerized vertical reciprocating blade cutting machines utilize a vertical reciprocating blade to shear through the multiple layers of fabric.
Fabric Measuring and Inspection Machines
Stationary, motor-driven cloth measuring and inspection machines are used for supporting a bolt of fabric and a mandrel for rerolling fabric after inspection, before the roll moves back into production. The machine is operated by foot pedal or hand control and comes in widths from 48 to 120 inches (1.2 to 3.25 meters). Variable-speed motors permit winding and unwinding of fabric, measuring and examining goods, packaging and splitting fabric rolls, and inventory purposes. Fabric can be wound face-in or face-out as needed. Fabrics with elasticity, such as knits, require special units that minimize tension during unrolling and rerolling, which helps prevent distortion. Illuminated inspection boards permit detection of flaws in fabric.
Cloth measuring and inspection machines are used for:
- To wind and unwind fabric
- To measure and examine goods
- To package and split fabric rolls
- For inventory purposes
Cutting Room Tools
Clamp
A clamp is a gripping device consisting of two opposing metal arms joined at a central pivot point to form handles and bills. Clamps are operated through the force of a spring that holds the bills in a closed position. Clamps are used to hold fabric layers together and to hold a marker to a layup, keeping the spread firmly aligned during cutting.
Cutting Line
Cutting lines are designated lines on a marker indicating the edges of pattern pieces that are used as guides for cutting and trimming the fabric accurately.
Drill
A drill is a portable, electrically driven metal rod operating with a vertical drilling motion, housed in a frame and base, with a control switch and handle. Two styles of drill points are available, the awl or the hypodermic, depending on the marking method and fabric structure.
- Awl drill point: Solid needle that either cuts a hole in the fabric or severs the yarns at a designated point. Awl drill points create a permanent hole that is visible in the fabric but will be concealed within the finished garment.
- Hypodermic drill point: Hollow needle filled with marking fluid that is either removed during pressing or permanently remains in the fabric but is concealed within the finished garment.
Drills are available in lightweight and heavy-duty models to accommodate all types of fabrics. There are even models with lower-speed motors to prevent synthetic fabrics from fusing. The type of needle used is dictated by the type of fabric. Thinner needles are used for closely woven fabrics. Thicker needles are used for loosely or coarsely woven fabrics. Machines are available in sizes 6, 8, and 10 inches (15.24, 20.32, and 25.4 cm). Needles range from 1/16 to 1/2 inch (1.6 to 12.7 mm) in diameter. The needle heat can also be adjusted for permanently setting holes in loosely woven fabrics when stronger marking is needed.
Drills are used to:
- Pierce holes for pattern markings
- Penetrate through multiple fabric plies to facilitate subsequent sewing procedures
- Indicate pattern markings such as diminishing points of darts and dart tucks
- Indicate placement of pockets and trimmings, buttons and buttonholes, and pleats and shirring
- Indicate point or position of design features such as gussets, godets, and bands
Notching Tools
Notching makes it easier to match garment pieces during sewing, especially at key seam locations.
Electrical Cloth Notcher
Notching is cutting an incision through all fabric plies to a depth of 3/8 of an inch (0.48 cm) on the perimeter of a pattern piece. Electrical cloth notchers use a strip-resistant wire blade connected to a heating unit housed in a frame with a control switch and handle. The searing action of the blade produces a limited depth notch resembling a burn mark. Models are available for hot and cold notching. Frame sizes are available in 4, 6, and 8 inches (10.16, 15.24, and 20.32 cm). Blade sizes are available in 1/4, 1/2, and 3/4 inch widths. Electrical cloth notchers are used to produce a:
- Slot notch in lays of knitted, soft wool, loosely woven, and bulky fabrics
- Seared notch limited to the width of the wire blade
Manual Cloth Notcher
Manual cloth notchers use a straight blade fixed to a spring-action recoil piston and affixed to a base. Frame sizes are available in 4, 6, and 8 inches (10.16, 15.24, and 20.32 cm). Blade sizes are available in 1/4, 1/2, and 3/4 inch widths. Manual cloth notchers are used:
- To produce slit notches in limited lays of fabric
- On firmly woven materials
Straight Knife Cutters
A straight knife cutter is a portable electric cutter designed to hold a vertical knife blade, which operates with an up-and-down cutting motion or stroke, with a base plate that rides on the cutting table to prevent it from tipping or swaying while an operator is cutting. A heavy-duty motor is used for difficult cutting. Medium-duty machines are used for high lays of soft fabric. Small motor machines are used for cutting lightweight materials. High plies of coarse fabrics require a special heavy-duty motor with an extra blade length for cutting.
Machines are available in 5-, 6-, 8-, 10-, and 14-inch sizes with blade lengths that are matched to the machine size. Wheel or belt sharpeners are used to maintain a sharp cutting edge. These cutting machines are equipped with a gear reduction unit to slow the blade to half speed, preventing fusing while cutting synthetic materials. Straight knife cutters are used:
- For straight cuts, intricate curves, and sharp corners
- To cut a variety of fabrics, heavy duty to lightweight, according to the blade capacity
- To cut high layups
Rotary Fabric Cutters
A standup rotary cutter is an electric cutter designed to hold a circular blade. A heavy-duty motor is used for difficult cutting. Medium-duty machines are used for high lays of soft fabric. Small motor machines are used for cutting lightweight materials. Special feather-weight motors offering a 2 1/2 inch blade are used for lays less than 3/4 inch. Machine size ranges from 2 1/2 through 10 inches in diameter, with blade diameters matched to the machine size. Machines are equipped with a gear reduction unit to slow the blade to half speed, preventing fusing when cutting synthetic materials. Standup rotary cutters are used:
- For straight cuts and wide or gradual curves
- To cut lays of limited height
Clicker Presses
A clicker press or die cutting press is a stationary single- or double-arm electric or hydraulic press that houses steel cutting dies made to the exact dimensions of a garment section. Die cutting is limited to specific layup heights. A clicker press is used to precisely cut collars, cuffs, flaps, and pockets, and to cut small garment parts such as bands, tabs, welts, underlay pieces, and shoulder pads. It is especially useful when garment parts are duplicated frequently or when repeat cutting must stay highly consistent.
Bundling, Shade Marking, and Fusing
Once the pieces are cut, bundling keeps the workflow organized for size, shade, and sewing preparation, while fusing helps prepare interlined parts for assembly. Fabric cutting and bundling workflows depend on accurate shade marking and clean separation of cut components, which helps reduce mistakes later in production.
Bundling
Bundling of cut components is a final work operation during which the following actions are taken: a full set of components of each cut style is formed; the cut articles are grouped by size, and also by colour if several different coloured fabrics were laid in one spread. Upon the commencement of cutting, a worker will offload pattern pieces from the cutting table, which are counted, prepared to indicate shade, and grouped and bundled according to the designated production process to be used. A bundle is a stack of cut garment sections that have been separated from the layup, and folded or tied. Bundles are sorted and grouped according to pattern size and shade marking. If garment parts require fusing of interlinings, this step is typically completed in the cutting room. Some factories may:
- Send the garment pieces out for fusing
- Send the specified amount of fabric yardage to be block fused prior to cutting
- Die-cut interlinings to correspond with the pattern pieces they will be fused to
- Roll-to-roll fuse the fabric
Shade Marking
Shade marking ensures proper shade match by marking each pattern piece within every ply of the spread. All of a garment’s component parts should be cut from the same ply in order to guarantee shade match. This simple control step reduces color variation in the finished garment.
Fusing
Fusing is the process of using prescriptive guidelines for application of temperature, time, and pressure in order to properly achieve a secure bond between the fusible interlining and the shell fabric, so the parts stay stable during wear and laundering. Block fusing is a relatively small square or rectangular portion of the fabric fused with an interlining. Roll-to-roll fusing means the entire length of the fabric roll is fused with interlining. The fabric roll is loaded and fed through a fusing press, then rewound onto the roll and is ready for spreading and cutting. Careful fusing also supports cleaner construction and better garment shape.
Conclusion
Precise fabric layup cutting depends on the right machines, accurate marking, and careful handling after the cut. Whether a factory uses portable cutters, rotary blades, clicker presses, or computerized systems, the goal is the same: clean edges, consistent shade matching, and smooth production flow. Strong fabric cutting and bundling practices also help prepare garment parts for sewing with fewer errors and less rework. In modern apparel manufacturing, reliable cutting remains a key step in delivering quality garments at scale.
Founder & Editor of Textile Learner. He is a Textile Consultant, Blogger & Entrepreneur. Mr. Kiron is working as a textile consultant in several local and international companies. He is also a contributor of Wikipedia.
