JUKI MF 7923 coverstitch sewing machine
1. Machine Name: Juki Coverstitch Sewing Machine
2. Brand: JUKI
3. Model: MF-7923-E22
4. MOQ: 5Sets
5. Stitch type: 2-needle/3-needle top and bottom covering stitch
6. Needle: UY128GAS (#10S) #9-#12S
7. Needle Gauge: 3.2,4.0,4.8,5.6,6.4mm
8. Stitch Pitch Adjustment: By dial
9. Lubrication: Automatic
10. Lubricating Oil: JUKI Machine Oil 18 (equivalent to ISO VG18)
JUKI MF-7923-E22 coverstitch sewing machine:
JUKI MF-7923-E22 coverstitch sewing machine is a newly developed coverstitch machine provided with lots of mechanisms for improving the seam quality.
It is provided with many different sewing-related mechanisms which contribute to improved seam quality, such as the new feed mechanism, and differential-feed micro-adjustment mechanism. In addition, the machine is provided as standard with a looper thread twining prevention mechanism for improved maintenance.
JUKI MF-7923-E22 coverstitch sewing machine features:
1. E22 For endless spandex elastic band attaching (with manual binder and tension roller) E23 For endless spandex elastic band attaching (with air binder and tension roller)
JUKI MF-7923-E22 coverstitch sewing machine is best suited for sewing elastic bands on briefs. E22 is opened / closed with the knee lever and E23 is opened / closed with the knee switch. The machine comes provided as standard with a tension roller to smoothly sew elastic bands on different-sized garment bodies. The machine flexibly adapts to varying elasticities due to its soft seams.
2. JUKI's dry-head technology protects sewing products from being stained with oil
With the excellent functions inherited from the MF-7900 Series, the MF-7900D is provided with a dry frame mechanism to eliminate the cause of oil stains. Stain removing work or re-sewing work is substantially reduced by protecting sewing products from being stained with oil, thereby improving the quality of finished products.
3. Thanks to the new feed mechanism, many different types of sewing are achieved
The feed locus can be adjusted externally. The feed locus is now adjustable in terms of the vertical direction and horizontal direction, thereby improving responsiveness to sewing materials.
4. Differential-feed micro-adjustment mechanism
It is possible to finely adjust the differential feed amount to a best-suited value for the material to be used. The differential feed ratio is constant even if the stitch length is changed.
5. Commercially-available gauge components are applicable with no additional work
As a result of the commonality of components, commercially-available components (presser foot, throat plate and needle clamp) are now applicable and easily obtainable.
6. Micro-lifter mechanism
Elastic material or delicate material can be sewn with the presser foot kept slightly raised. This effectively helps reduce the degree of slippage, warpage and damage of the material.
7. The looper thread twining prevention mechanism has been improved and is provided as standard for the sewing machine
In the case of looper thread breakage, the looper thread twining prevention mechanism is activated to trim the looper thread before the thread twines on the looper thread cam. In this way, the looper thread twining prevention mechanism prevents the looper thread from twining on the looper thread cam. In addition, the looper thread cam, which has been incorporated in the sewing machine, has been changed so that it is mounted outside of the sewing machine. The externally-mounted looper thread cam promises improved maintainability.
8. All of the sewing machines with a thread trimmer are provided with a direct-drive motor
The direct-drive motor system has been adopted by all of the sewing machines with a thread trimmer. As a result, the sewing machine starts up swiftly and promises increased stop accuracy, thereby demonstrating improved responsiveness. In addition, the machine is no longer provided with a V-belt. This means that the adoption of the direct-drive motor is also effective in the elimination of belt shavings. Power is directly transmitted from the motor to the sewing machine, thereby contributing to reduced power consumption. (This sewing machine reduces power consumption by 27% as compared with the conventional models.)
JUKI MF-7923-E22 coverstitch sewing machine parameters:
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Model name |
MF-7923-E22 |
MF-7923D-E22 |
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Stitch type |
2-needle/3-needle top and bottom covering stitch |
2-needle/3-needle top and bottom covering stitch |
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Needle |
UY128GAS (#10S) #9-#12S |
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Lift of the presser foot |
5mm (with top and bottom covering stitch), 8mm (with bottom covering stitch) |
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Stitch pitch adjustment |
By dial |
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Differential feed adjustment |
By micro-adjustment mechanism |
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Lubrication |
Automatic |
Automatic (frame: no lubrication) |
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Lubricating oil |
JUKI Machine Oil 18 (equivalent to ISO VG18) |
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Feed dog inclination adjustment |
Provided as standard |
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Micro-lifter |
Provided as standard |
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Needle gauge |
3.2, 4.0, 4.8, 5.6, 6.4mm |
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Needle bar stroke converting function |
Provided as standard: 33mm: at the time of delivery / When sewing a heavy-weight material: 35mm |
- |
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Silicon oil tank for needle tip and needle thread |
Provided as standard |
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Cartridge oil filter |
Provided as standard |
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Power requirement / Power consumption |
Single-phase 123-120V / 223-240V, 3-phase 223-240V / 523VA (with automatic thread trimmer) |
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Weight of the machine head |
E22, E23 (with PL) |
43kg (without device), 51kg (with UT52), 46kg (with UT57) |
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