What is an Overlocker? (Full article) (2024)

What is an Overlocker? (Full article) (2)

About Overlockers

Overlockers, originally only used in industrial sewing venues, are a valuable asset to home sewers.

Not long ago, overlockers were only available for commercial use. The machines were huge, heavy and impractical for home sewers. Fortunately, the market has changed and there are wonderful assortments of industrial-quality overlockers, at a variety of price points, designed specifically for home sewers.

Different from a conventional sewing machine that forms a stitch with a bobbin and top thread, an overlocker works with loopers and needle threads that form an overlocking stitch.

When selecting an overlocker, keep in mind that as the number of threads and loopers increase, so does the price of the machine. So, choose the configuration that best fits your needs.

What is an Overlocker?
An overlocker (also known as a serger) is a special-purpose machine that produces professionally finished seams, like those found on ready-to-wear garments. It uses between two and nearly a dozen threads to encase the raw edge of the fabric with an overcast stitch, while trimming away the seam allowance - all at speeds of up to 1,700 stitches per minute. Instead of a bobbin and single needle, the overlocker has a cutting blade, “loopers” and multiple needles.

Overlockers are used to clean-finish the seam allowances although today’s models can do far more than that, and they have become increasingly easy to operate, creatively diverse in their stitch capability and more economical than ever.

What Does an Overlocker Do?
An overlocker does not replace a sewing machine. Its primary function is to clean finish a raw edge, giving the project a professional appearance. Many overlocking stitches have built-in stretch, making them the perfect tool for seaming knit fabrics. Additionally, the eyes of the loopers are larger than the eyes of sewing needles and can therefore accommodate thicker decorative threads.

About Overlocker Stitches
As the number of needles and loopers increases, so does the diversity of the stitches; and as the stitch diversity increases, so does the price. Once you understand the stitches, you can ask an overlocker dealer which machine best suits your needs.

Overlocker Features to Look For
Everyone has different overlocking needs; however, most agree that the following key features are worth investigating.

Threading Ease:Nothing is more frustrating than a machine that is too difficult to use. Thread and rethread any machine you’re considering buying. Be sure you know how to thread the lower looper; it’s usually the most challenging thread path. Most overlockers have color-coded thread paths and lay-in threading. You can actually pull threads through without completly re-threading usually BUT you want to be able to re-thread if neccessary. Ideally buy from a local shop so they can show you and you can try it. In Sussex try Varneys in Portsladeor Brighton Sewing Centre in Hove - details on our sewing machine page here

Differential Feed:This adjusts the movement of the feed dogs, and therefore how the fabric feeds, to eliminate puckers, stretching and ripples in seams. It can also be adjusted to gather the fabric.

Included Accessory Feet:The more accessories that are included with the machine, the better. They’re quite expensive to buy separately.

Instructional Classes and On-Site Repair:If possible, takeOverlocker classesto learn all the functions of the machine. Hands-on experience will help you get the most mileage from your purchase. Ask when buying your overlocker if classes and/or an instructional video are included in the cost of the machine. If not, we offer overlocking lessons and workshops here in East Sussex at Sew In Brighton -click herefor more info about our lesson and workshop options for learning to overlock with confidence.

LCD Screen:Found on more-expensive machines, the display panel indicates machine adjustment information for all the various stitches.

Conversion Ease:Be sure to ask how the machine converts from a standard overlocker stitch to a rolled hem or chainstitch. Sometimes it’s a button/dial; sometimes it involves disengaging a thread path or adding a conversion plate.

Do You Need or Want an Overlocker?
Do youneedan overlocker? Probably no... Do youwantan overlocker? Most certainly yes!Once you've used one you won't want to go back to finishing your edges with a domestic sewing machine!

Both beginning and experienced sewers benefit from tools that simplify sewing and make professional results easier. Most sewing machines have an overlock or overcast stitch in their library of stitches, so why do you need an overlocker? You don’t really need one, but they’re nice to have, and, while a sewing machine can certainly perform an overcast stitch, it can’t cut the fabric as it stitches, and it can’t use the thicker, decorative threads that are so popular. And most sewing machines don’t sew anywhere near as fast as overlockers.

Ask Yourself:

  • Will you seam knitted or jersey fabrics? What about woven fabrics?
  • Will you use the machine for more than edge finishes?
  • Will you experiment with decorative threads
  • Will you embellish or decorate fabric with the flatlock stitch?
  • Will you be sewing curtains, drapes and other large items that require clean seams?

Determine how much you think you will use an overlocker, familiarize yourself with the various stitches and then take time to visit at least two overlocker dealers. Have the dealer demonstrate the machine and explain its stitch capability. Practice threading several different models before making a purchase. If possible, purchase your overlocker from a dealer so you have the opportunity to take classes, ask follow-up questions and utilize convenient repair and maintenance service.

How to get started or improve your overlocking skills
AtSew In Brightonsewing school (based in Hove, East Sussex) we run Overlocker Workshops in which we can show you how to thread up overlockers, adjust tension and differential feed, sew jersey and other fabrics and answer any of your questions you may have about overlockers, how they work and which overlocker is suitable for your needs. Bring your own overlocker machine or learn on ours. We have various class optionsto help you get to know your overlocker:

  • Learn to use an overlocker(use ours or bring yours)with our Overlocker expertson ourLove Your Overlocker Workshopor in 1-2-1 lessons
  • Learn to use overlockers tomake jersey garments or finish the inside edges of your dressmaking projects professionally on our in-class Janome 6234XL overlockers in our Stitch Classesor 1-2-1 lessons. Stitch Classes run 4-6 times a week - various mornings, evenings and weekends and 1-2-1 lessons can be held at time to suit you. We can't teach threading, tension etc on these - just help you use our machines and get a feel for overlocking and of course a fantastic finish to the inside of your made garments!
  • Learn advanced overlocking techniquesincludingpintucks, rolled hems, flat locking, gathering, elastic and blind hemming on our Level 2 Overlocking workshop or in a 1-2-1 with one of our overlocker course teachers
  • If you are an absoluteBeginnerto sewing and want to learn to sew with a sewing machine before starting to learn overlockingclick here to visit our beginner options menu

What is an Overlocker? (Full article) (2024)

FAQs

What are Overlockers explained? ›

What Does an Overlocker Do? An overlocker does not replace a sewing machine. Its primary function is to clean finish a raw edge, giving the project a professional appearance. Many overlocking stitches have built-in stretch, making them the perfect tool for seaming knit fabrics.

What do Americans call an overlocker? ›

A serger and an overlocker are different names for the same machine. Americans generally refer to these as sergers, and nearly everyone else refers to them as overlockers.

What is the description of overlock? ›

An overlock is a kind of stitch that sews over the edge of one or two pieces of cloth for edging, hemming, or seaming.

Is an overlocker worth buying? ›

Yes! Once you've mastered it, it can be much faster to finish seams with an overlocker. The longer the seam the more the time saving. Whenever I'm filming my tutorial videos, I use an overlocker - it's much faster.

Can you use an overlocker as a normal sewing machine? ›

With an overlocker, you can only sew along the edge and never in the middle of the fabric. Binding with bias tape or appliqué isn't possible either. The overlocker does not replace your normal sewing machine. It is a useful addition if you want to work with stretchy fabrics and give garments a professional look.

What is the best overlocker to buy? ›

Hands down, the Bernina L460 Overlocker is one of the best on the market. It cuts, sews, and finishes your seams perfectly every time! Our favourite feature of this machine is the extension table that comes standard with it. It really expands your workspace and lets you work on whatever projects you want, with ease.

What is the process of overlock? ›

An overlock stitch is formed when a needle (or two needles) penetrate the fabric to sew a seam while a knife blade trims the fabric and looper thread(s) wrap the clean, raw edge. How Many Threads? As I mentioned, this stitch can be sewn three different ways: using four, three, or even two threads.

What is another name for overlock machine? ›

A serger is sometimes called an overlock machine (The terms “overlock” and “serger” are interchangeable depending on where you live in the world.), and it is different from a sewing machine.

What is the job description of an overlocker? ›

1) Operates overlock sewing machine, equipped with edgecutter, to serge, seam, or attach tape or trim to garment and cut away excess material: Overedges one ply of fabric to prevent fraying, or overedges two or more plies to join garment parts.

When not to use an overlocker? ›

However you have to use a traditional sewing machine to sew a straight stitch for the actual seams. Using only an overlocker on woven garments will not produce a strong enough seam and the seams will pop or the fabric will rip when the garment is worn.

What can I use instead of an overlocker? ›

Presser foot: overedge foot This stitch sews a double row of zigzag stitches, one on the edge of the fabric, and connects to a straight line of stitching. Like an overlocker, this stitch could be used to both sew and finish a seam in one go. This is perfect for fabrics that fray heavily.

Why use an overlocker instead of a sewing machine? ›

One of the primary functions of an overlocker is to trim the fabric edges and simultaneously encase them with a neat and professional edge finish. This prevents fraying and gives garments a polished look.

What is the difference between an overlocker and a regular sewing machine? ›

Overlockers differ from sewing machines in that they're not suitable to be used on their own when stitching together a garment. They work best in tandem with a sewing machine to complement the more versatile work that sewing machines can perform. Shop Sewing Machines and Overlockers with Sewing Direct Today.

What can my overlocker do? ›

An overlocker is a type of sewing machine that sews seams, trims and neatens the fabric edges all at once. It is used extensively in the garment manufacturing industry as entire garments can be produced in minutes with a neat and durable finish.

What is the advantage of overlocker? ›

An overlocker's stitch pattern typically allows for a significant amount of stretch – useful when sewing elastic or stretchy fabrics. And being able to stitch a number of threads at a time can be a huge advantage. The Jaguar Supa Lock 486 for example can be set for two, three or four threads.

Should you overlock before or after sewing? ›

Overlock the edges before constructing anything; just overlock around the vertical seam edges of each panel as a single layer to prevent fraying. Finish the seams together after constructing your garment but before doing any topstitching.

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