Juki Overlock Sewing Machine

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Quinton Hebenstreit

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Aug 5, 2024, 2:45:12 PM8/5/24
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Withthe MO-600 series of home sergers, a beginner or experienced sewer can create simple sportswear or elegant evening wear with unbelievable ease. Expand your range of design and technique with the easy-to-operate, durable and dependable MO-644D. The MO-644D, 2-needle, 2/3/4 thread overlock machine featuring built-in rolled hemming and differential feed at an affordable price.

Offering versatile features and accessories, JUKI has created a machine perfect for your project needs. With the ability to automatically roll hems and its included multi-purpose foot, enjoy sewing on the MO-644D. Containing high-speed sewing, this machine is perfect for handling your project dreams and helping you deliver them faster than before.


Easy Tension Adjustment: 1-Rotation Thread Tension Dials with normal tensions highlighted for simple, consistent tension adjustment. Specially designed guides keep thread in place and ensure proper sewing tension at any speed.


Multi-Function Presser Foot: The multipurpose presser foot, standard on the MO-644D, allows you to create overlock stitches and add tape, elastic, ribbon, or sequins to your creations. Snap-on presser feet mean that you can easily change from the multi-purpose foot to one of the Juki Specialty feet and expand the creative potential of the MO-644D.


Serging Precision: The built-in seam guide takes the guesswork out of seam allowances. Just use the conveniently located gauge on the guard cover and serge away, creating accurate seam allowances as you go.


Differential Feed Adjustment: Keep things moving along evenly, or create fashion techniques, like lettuce edges, with the easy to use differential feed dial located on the exterior right hand side.


- The needle bar mechanism and upper looper mechanism have been re-designed to require no lubrication. - The most-advanced dry technologies, such as the special surface treatment applied to the major drive unit and the grease feeding method, contribute to higher durability. The machine does not splash oil after a long period of use. The grease filler openings are newly provided for the sewing machine in two locations, i.e., one on the upper looper component and the other on the sewing machine frame, thereby improving maintainability.


MO-6714DA--30P MO-6716DA--30P The sewing machine is fully equipped with adjusting devices and provisions to effectively prevent puckering of difficult-to-sew materials or new-generation materials. The operator is able to produce beautifully finished high quality seams without conducting difficult adjustments.


The JUKI MO-6800S Series is a new and powerful overlock/safety stitch machine that has been developed to offer increased reliability and ease-of-use, while upgrading seam quality at higher sewing speeds. It responds to a wider range of materials and processes to finish high-quality soft-feeling seams. With the operating noise having been reduced and increased durability ensured, the cost-effective MO-6800S Series is a leading machine in the new era.


Since the machine comes with a needle-thread take-up mechanism as well as a looper thread take-up mechanism, to offer upgraded responsiveness from light to heavy-weight materials with a lower applied tension, it achieves well-tensed soft-feeling seams that flexibly correspond to the elasticity of the material at the maximum sewing speed of 7,000rpm.


The machine incorporates various mechanisms as standard, such as a differential-feed micro-adjustment mechanism and an external adjustment mechanism for adjusting the feed dog inclination as well as increasing the differential feed ratio, which can be easily adjusted to finish seams that perfectly match the material to be used. Comfortable operation is all but guaranteed, by a wider area around the needle entry, the adoption as standard of a micro-lifter feature that offers improved responsiveness to materials and provides the operator with upgraded operability, and by the reduction of operating noise and vibration, which has been achieved by designing an optimally balanced machine.


Serving the sewn products industry for over 30 years with most well known brands of industrial sewing machines, parts and supplies. Fast set-up and shipping times on in-stock equipment. Large inventory on hand. Technical support and custom setup on automated equipment.


You may remember that I was on the hunt for a good serger this spring. My Brother 1034D was having timing issues and I didn't want to spend the money to get it repaired again. It was an old machine and I was never very attached to it, primarily because it was louder than a dozen rusty wrenches thrown in a broken dryer. Thankfully I picked up the Juki MO654DE this spring, and I couldn't be happier with it. I thought I'd share my thoughts in case you're thinking about purchasing or upgrading a serger/overlocker yourself this year.


Sergers are one of those pieces of equipment that many of us put off buying, either because of the cost or because they seem a little scary. Even the cheapest ones are a small investment, but most sergers are surprisingly easy to use, and they really do transform your sewing practice. You get much stronger, more professional seams when sewing knits, and you can save time when sewing wovens by quickly finishing your seam allowances rather than using french seams, or other more time-intensive finishes. If you're on the fence about making the serger leap, I'm here to whisper in your ear, "Just go for it". You won't regret it. My serger is an indispensable tool in my arsenal, and I'm so glad I upgraded.


Juki sergers always get rave reviews, and a few of you suggested I try one. Amy heard from her dealer that Juki sergers use a lot of the same components as industrial machines, and are basically among the best on the domestic market, higher priced brands included. I've never minded threading my serger so I didn't need anything with fancy auto-threading capabilities - just something strong, reliable, affordable and easy to adjust, tension-wise. Buying machines on the internet without trying them out first can be a little stressful, so I tested the entry level MO644D model at the Juki dealer in Montreal. I loved how smooth and quiet it was, but I wanted something with a little more power.


The MO654DE is a step up from the 644D, although they look very similar. The machines are surprisingly small and compact; the 644D is recommended for light to medium weight fabrics, while the 654DE can handle multiple layers of thick fabric with ease. I was initially concerned about the lack of a free arm, but I haven't had any issues at all, even when serging narrow, round openings.


When I first got my Juki in the mail, I was so excited to test it out I sewed a test seam without looking at the threading first. I had a mild panic attack when I realized I had sewn through the thread tails, but discovered quickly how much easier it is to thread than my old Brother. With the colour coded guide, it only takes a few minutes from start to finish, and if you're tying on new colours of thread to your old tails, you shouldn't have to fuss that much with threading anyway. I found the lower looper especially easy to thread; in the photo below, you can see how it slides to the right when you push on the white lever -- no more squinting to see if you threaded it correctly or not.


So far I've found it really easy to adjust the tension. Unlike the Brother, which had dials on the top, the tension dials for the 654 are all on the face of the machine. Most fabrics do well on the 4 setting, but if you're having issues with tension I suggest looking at tutorials online or checking out the serger chapter in Colette Guide to Sewing Knits, since the instructions included in the manual aren't super thorough.


My favourite feature of this serger is how easy it is to clean. The front and side swing out so it's super simple to get in there with a lint brush. Since the actual motor is concealed, you can even use a can of concealed air safely, since there is no way to blow lint into the actual guts of the machine. I hated cleaning the Brother since you had to basically dissemble the entire machine with a screwdriver and it was really easy to push lint into the sensitive bits.


My favourite thing about this machine is probably how stinkin' quiet it is. And the fact that it has suction cups on the bottom so it doesn't rattle the whole room while you're sewing (*cough* 1034D *cough*). I even made you a little video to see what I mean.




So yes, I love this baby, a lot. I've been sewing so many knits (especially when making Sallie Jumpsuit pattern samples) and I was almost mad at myself for waiting so long to get a new machine. I paid around $370 on Amazon with free shipping to my friend's place in New York. The entry level 644D is currently $288 if you'd like a Juki at a lower price.


The Juki overlock machine is widely applicable to the sewing of light- to heavy-weight materials. Since the machine is provided with a needle thread take-up mechanism and a looper thread take-up lever, it ensures high-quality, well-tensed and soft seams with a beautiful texture which flexibly correspond to the elasticity of the materials even when run at speeds as high as 7,000 sti/min. In addition, the machine has a wider and brighter needle entry and provides improved responsiveness to the materials, thereby helping the operator use the machine more easily. The optimally-balanced design of the machine reduces both operating noise and vibration, contributing to more comfortable sewing work.


The differential-feed micro-adjustment mechanism, external increasing of the differential feed ratio and the main feed dog height can all be adjustable on the front face of the sewing machine with a screwdriver. This 5 thread industrial serger is provided as standard with functions which enable easy and best-suited adjustments according to the material to be used.

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