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You Are Here: Home » Blog » What is the flat knitting process?

What is the flat knitting process?

Publish Time: 2026-02-02     Origin: Site

You use the flat knitting process to make weft knitted fabric that stays flat. It does not make a tube shape. In flat knitting, the needles do not move. The cam moves across the machine’s width. It makes loops that lock together, one row at a time. This way of knitting was invented in 1865. It is still very important in making textiles today. Flat knitting machines help you create detailed patterns and shapes. This is needed when you design sweaters, cardigans, and other clothes with shapes. You get more choices and better quality by using a knitting machine. It lets you mix different colors and textures in one fabric.


Key Takeaways

  • Flat knitting makes fabric that stays flat. This helps make detailed patterns and shapes in clothes like sweaters and cardigans.

  • It is important to control yarn feeding and tension. This helps make the fabric smooth and even. Watch these things to stop common problems.

  • There are three types of flat knitting machines. They are manual, semi-automatic, and computerized. Each type gives different control and speed.

  • Flat knitting machines help save time and use less material. This makes them a better choice for making clothes.

  • New technology in flat knitting machines helps a lot. Automation and digital controls make production faster and more eco-friendly.


Flat Knitting Process Overview

Loop Formation in Flat Knitting

You use flat knitting machines to create fabric by forming loops row by row. Each loop connects to the next, building a strong and flexible textile. You see three main types of loops in flat knitting:

  • Knit loop: You feed yarn to every needle. This creates a smooth and even surface called single jersey. The front shows legs of the stitches, while the back shows crowns.

  • Tuck loop: You hide one yarn behind another. This forms a pattern that stands out more on the back side of the fabric.

  • Float loop: You skip a needle, so the yarn floats across the fabric. You notice these floats on the technical face.

Flat knitting machines use a special arrangement of needles to make these loops. The needles sit in a straight line on the needle bed. You watch each needle move through several stages during loop formation. The table below shows how this works:

Stage

Description

Clearing

The needle moves up and drops the old loop, clearing the latch.

Yarn Receiving

The needle moves down to catch new yarn for the next stitch.

Cast Off

The old loop knocks over the latch and gets cast off.

Stitch Formation

The needle moves further down to finish the new stitch.

Sinkers

Narrow blades between needles help form loops and handle the fabric.

You control the process with the carriage on flat knitting machines. The carriage moves across the needle bed. You use it to select which needles go up or down. The carriage also drives the thread guides that feed yarn to the needles. Cam locks inside the carriage control how the needles move and how the system works.

Tip: You can change the pattern and texture of your fabric by adjusting the carriage settings and needle selection.

Yarn Feeding and Tension Control

You need to manage yarn feeding carefully when you use flat knitting machines. Yarn comes from a spool or cone and travels along a set path to the knitting zone. Thread guides help you adjust the yarn tension and check for breaks. You must keep the feeding tension steady to make regular loops and avoid problems in your fabric.

The table below shows how yarn type and tension affect your results:

Yarn Type

Tension (cN)

Tension Variation (%)

Stitch Type

Tension Fluctuation (cN)

Wool

18.843

47

Rib

15.612

Viscose

9.849


Plain

12.630

You often face issues with tension control on flat knitting machines. Here are some common problems and solutions:

  • Puckers: Spread stitches out on the right needle to get the right float length.

  • Dense fabric or gauge change: Switch to a larger needle size for tighter colorwork.

  • Uneven fabric or inconsistent floats: Adjust how you hold the yarn or manage your tension more carefully.

You get better results when you pay attention to yarn feeding and tension. Flat knitting machines let you make smooth, even fabric with fewer mistakes. You can create many patterns and textures by learning how to control these factors.


                             


Flat Knitting Machines Explained

Machine Structure and Features

A flat knitting machine has many parts that work together. Each part helps you make fabric quickly and accurately. Here are the main parts and what they do:

  1. Tension equipment keeps the yarn tight while you knit.

  2. Cone stand plate holds the yarn cones steady.

  3. Fluorescent lamp helps you see the needle bed better.

  4. Carriage moves the needles to make stitches.

  5. Operation bar starts or stops the carriage.

  6. Stop switch lets you stop the machine fast if needed.

  7. Safety cover makes less noise and blocks dust.

  8. Controller lets you change or load knitting data.

  9. Oil pump gives oil to the moving parts.

  10. Needle beds hold the latch-hook needles in a V-shape. These beds help you make loops and stitches.

  11. Cam systems move the needles. You use them to make patterns like tucks or floats.

Tip: Always look at the signal lamp on your flat knitting machine. Green means it is working. Blinking yellow means there is a problem or the job is finished.

Needle beds and cam systems are very important for your flat knitting machine. Needle beds give a strong base for the needles. Cam systems move the needles so you can make many patterns. These features let you try more designs and textures.

Types of Flat Knitting Machines

There are three main types of flat knitting machine. Each type gives you different control and automation.

Type of Machine

Description

Ideal Use Case

Manual Machines

You change colors and set patterns by hand.

Good for small workshops or special projects.

Semi-Automatic Machines

You get electronic needle selection and easy pattern control.

Great for small or medium businesses.

Computerized Flat Knitting Machines

You get full automation for carriage reversal and yarn changing.

Best for making lots of different products fast.

Computerized flat knitting machines have many good points. They work faster and make patterns more exactly. You can make hard designs with fewer mistakes. These machines let you do more and work easier.

But computerized flat knitting machines also have some problems. You need trained people to use them. They cost a lot at first. The technology changes fast, so you must keep learning. Even with these problems, automation helps you make better fabric and more designs.

If you want to grow your textile business, you should learn about computerized flat knitting machines. Automation helps you make more fabric and new styles. These machines let you be creative and follow new trends.


Applications and Benefits of Flat Knitting

Flat Knitting in Garment Production

Flat knitting machines are used a lot in making clothes. They help make fabric for sweaters, cardigans, and scarves. You can add pockets and trims right into the main piece. This means you do not have to sew them on later. It saves time and lets you make hard patterns easily. Flat knitting lets you shape each part to fit the body before putting them together. You do not need to cut out extra pieces or sew as much. This way, you waste less material. You also get to choose how your fabric looks and feels.

Note: Flat knitting lets you make shaped clothes with fewer steps. You can add details and shapes right on the machine.

Efficiency and Flexibility

Flat knitting has many good points for making textiles. You can shape clothes on the machine, which saves time. You do not have to cut and sew extra parts. This means you use less yarn and make less waste. Flat knitting machines help you use yarn better and spend less money. Circular knitting machines often use more yarn and make more waste.

  • Flat knitting machines help you use yarn better.

  • You waste less material, so you save money.

  • Circular knitting machines use more yarn and make more waste.

Here are some real examples that show better efficiency:

Example

Impact on Efficiency

Parisian fashion house

40% less time to make clothes, no seams needed

Major retail brand

Lead times dropped from 12 weeks to 3 weeks, quality improved

Flat knitting lets you make both flat and shaped pieces. You can make a whole garment in one piece, so there are no seams. This makes lighter clothes and less than 1% waste after making them. You get faster results and products that are better for the planet. Flat knitting helps you make clothes that fit well and last longer.

Tip: Flat knitting helps you make lighter, more comfy clothes. It makes work faster and helps you follow new fashion trends.


Future of Flat Knitting Machines

Technological Advancements

Flat knitting machines now have many new features. Some machines can knit with three or four systems at the same time. This means you can finish your work much faster. High-speed drives use better motors and smart paths. These help your stitches stay even, even when the machine goes fast. You can use eco-friendly yarns, like recycled fibers, because the machines support them. Whole garment knitting lets you make clothes with almost no waste. Energy-saving features, like LED lights and smart power modes, help you use less electricity.

Automation is changing how you use flat knitting machines. Machine learning helps you pick the best patterns and settings. This means you waste less yarn. AI systems watch for mistakes and fix them right away. You can change your machine for different yarns by using past data. Digital controls let you make detailed designs and keep the quality high. These new features make it easier to make lots of clothes and trust the results.

Note: Digital technology lets you check your machines as they work. You can change settings fast and make special products for your customers.

Industry Trends

People want more custom and high-quality knitted things. This makes companies build better machines. The market for flat knitting machines grows every year. Experts think the market could reach $10.3 billion by 2030. You see more computerized machines because they help you work faster. They also help you make the same good product every time.

Sustainability is a big trend in the industry. New machines use less energy and make less waste. Many companies use recyclable materials and follow rules to protect the earth. You also see more local production. This means less shipping and lower carbon footprints. These changes help you give customers the sustainable fashion they want.

Tip: If you want to do well, learn about new machine features and focus on sustainability. This will help you make better products and grow your business.

You can think of the flat knitting production process as a group of steps. These steps help you make good textiles.

  1. First, you use digital tools to design patterns.

  2. Next, you set up the machines and test them.

  3. Then, you start making fabric and look for mistakes.

  4. Last, you write down data to help next time.

Flat knitting machines let you change things and stay in control. You can make special items and keep them high quality. Digital design helps you work faster and make fewer errors.

Benefit/Trend

Digital Knitting

Traditional Methods

Design Complexity

Complex 3D shapes

Limited patterns

Material Waste

Near-zero

High

Production Speed

Fast

Slow

Customization

Easy

Hard

Sustainability

Low impact

High impact

You use advanced machines to shape clothes and add designs. You focus on making good products for style and function. You help the planet by using less material and energy. Flat knitting lets you make better things and keep up with new styles. You check every piece to make sure it is what your customers want.


FAQ

What is the main difference between flat knitting and circular knitting?

Flat knitting makes fabric in flat pieces. You use flat knitting machines to knit rows that do not close. Circular knitting makes fabric in a tube shape. You often see circular knitting used for socks and hats. Flat knitting lets you control shapes and patterns more.

How do you improve productivity with flat knitting machines?

You can work faster with computerized flat knitting machines. These machines let you change patterns very quickly. You finish more items in less time. You also make fewer mistakes. This helps you give customers what they want sooner.

Can you use flat knitting for sustainable manufacturing?

Flat knitting helps you make clothes in a greener way. You waste less yarn when you knit flat pieces. You shape garments right on the machine. You can use recycled fibers and eco-friendly yarns. Flat knitting helps you make clothes that are better for the planet.

What types of yarn work best for flat knitting?

You can use many yarns for flat knitting. Wool, cotton, and acrylic are good choices. You pick yarn based on the fabric you want. Soft yarns make warm sweaters. Strong yarns help you make tough clothes. Flat knitting lets you mix yarns for cool looks.

Why do designers prefer flat knitting for custom garments?

Designers like flat knitting because it lets them make detailed patterns. You can shape each piece to fit the body well. You add trims and pockets while you knit. Flat knitting gives you more choices. You can make special styles that look different.

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WELLKNIT was founded in Taiwan since 1987, and in 1995, we set up the production base in Quanzhou, Fujian, is the first Taiwan-funded weft knitting machine manufacturer to take root in Quanzhou.

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