juki-1790

Buttonhole Machine Timing Technique | Juki & Brother Standard Setup, Complete guide for Buttonhole Sewing Machine Timing Technique (Juki & Brother). Proper timing ensures the needle, looper, and rotary hook work together to form perfect buttonholes. If the timing is incorrect, it causes thread cutting, needle breakage, and skip stitches. 🧵 In This Video, You’ll Learn: Step-by-step timing adjustment technique How to set needle bar height & hook rotation Adjusting looper and knife synchronization Standard clearance & angular positions Testing buttonhole stitch formation after setup Troubleshooting timing-related issues: Skip stitch Thread breakage Uneven buttonhole width Machine vibration or noise ✅ Applicable Machines: Juki LBH-781 / LBH-1790 / LBH-780 series Brother HE-80 and other automatic buttonhole machines 🛠️ Tools Needed: Screwdriver, timing gauge, feeler gauge, flashlight, oil & cleaning brush. 💬 Facing timing problems? Comment your machine model & issue — Rafiqu

Buttonhole Machine Timing Technique | Juki & Brother Standard Setup, Complete guide for Buttonhole Sewing Machine Timing Technique (Juki & Brother). Proper timing ensures the needle, looper, and rotary hook work together to form perfect buttonholes. If the timing is incorrect, it causes thread cutting, needle breakage, and skip stitches. 🧵 In This Video, You’ll Learn: Step-by-step timing adjustment technique How to set needle bar height & hook rotation Adjusting looper and knife synchronization Standard clearance & angular positions Testing buttonhole stitch formation after setup Troubleshooting timing-related issues: Skip stitch Thread breakage Uneven buttonhole width Machine vibration or noise ✅ Applicable Machines: Juki LBH-781 / LBH-1790 / LBH-780 series Brother HE-80 and other automatic buttonhole machines 🛠️ Tools Needed: Screwdriver, timing gauge, feeler gauge, flashlight, oil & cleaning brush. 💬 Facing timing problems? Comment your machine model & issue — Rafiqu

Complete technical guide for Hook Finger Setting in Buttonhole Sewing Machines (Juki & Brother). Hook finger ensures the loop of thread from the needle is properly caught by the rotary hook. If the hook finger position or timing is wrong, it causes thread breakage, skip stitches, or needle jams. 🧵 In This Video, You’ll Learn: Function of the hook finger in the stitch-forming system Standard hook finger clearance from the hook point (usually 0.05–0.1mm) Correct height and angular position setup Step-by-step hook finger setting technique How to check the loop catching timing with the needle position Common problems & their solutions: Thread breaking Skip stitches Looper not catching thread Thread looping or tangling under fabric ✅ Applicable Machines: Juki LBH-781 / LBH-1790 / LBH-780 series Brother HE-80 / Buttonhole series 🛠️ Tools Needed: Screwdriver, feeler gauge, inspection mirror, test thread, and light oil. 💬 Still facing hook finger problems? Comment your machine

Complete guideline for adjusting the Needle Rocking Origin on the Juki LBH-1790 Buttonhole Machine. The needle rocking origin determines the swing position of the needle bar. If not set correctly, it causes wrong buttonhole width, uneven stitches, or needle hitting problems. 🧵 In This Video, You’ll Learn: Function of the needle rocking mechanism Standard adjustment procedure for the rocking origin How to align the needle swing with buttonhole width Step-by-step guide using the control panel and mechanical adjustment Troubleshooting common issues: Uneven buttonhole width Needle hitting knife or clamp Misaligned stitches Final testing for clean, balanced buttonholes ✅ Applies to Juki LBH-1790 and similar computerized buttonhole machines. 🛠️ Tools Needed: Screwdriver, Allen key, adjustment gauge, control panel access. 💬 Still facing needle rocking issues? Comment your machine model & problem for direct troubleshooting help. 📌 Subscribe 🔔 for more Juki, Jack, Brother & Rafiqu

জুকি বাটনহোল সেলাই মেশিন | বেসিক প্রোগ্রাম প্রশিক্ষণ নির্দেশিকা, জুকি বাটনহোল সেলাই মেশিনের জন্য বেসিক প্রোগ্রাম সেটআপ এবং প্রশিক্ষণ। প্রযোজনা শুরু করার আগে প্রতিটি অপারেটর এবং মেকানিকের যে মৌলিক ফাংশনগুলি জানা উচিত তা শিখুন। 🧵 এই ভিডিওতে, আপনি শিখবেন: জুকি বাটনহোল মেশিন মডেলগুলির সংক্ষিপ্তসার (LBH-781, LBH-1790, ইত্যাদি) কন্ট্রোল প্যানেল ফাংশনগুলির ভূমিকা কিভাবে একটি বেসিক বাটনহোল প্রোগ্রাম নির্বাচন এবং চালানো যায় বাটনহোলের দৈর্ঘ্য, প্রস্থ এবং কাটিং সেটিংস সামঞ্জস্য করা সুই আপ/ডাউন সেট করা এবং স্বয়ংক্রিয় থ্রেড ট্রিমিং বিভিন্ন ধরণের ফ্যাব্রিকের জন্য প্রোগ্রাম সংরক্ষণ এবং প্রত্যাহার করা সাধারণ নতুনদের ত্রুটির সমস্যা সমাধান ✅ জুকি LBH-781, LBH-1790 এবং অনুরূপ বাটনহোল মেশিন মডেলগুলিতে প্রযোজ্য। 🛠️ প্রয়োজনীয় সরঞ্জাম: কন্ট্রোল প্যানেল, স্ক্রু ড্রাইভার, নমুনা ফ্যাব্রিক, সেলাই মেশিন তেল। 💬 উন্নত প্রোগ্রামিং (কাস্টম বাটনহোল আকার, বৃত্ত প্রোগ্রাম, ত্রুটি রিসেট) শিখতে চান? নিচে মন্তব্য করুন, আমরা দ্বিতীয় পর্ব তৈরি করব! 📌 জুকি, জ্যাক, ব্রাদার এবং রফিকুল ইঞ্জিনিয়ারিং মেশিন টিউ

Learn simple rules for sewing thin fabrics (chiffon, silk, voile, organza, lawn) using a buttonhole machine. Avoid puckering, fabric damage, and thread cutting with these easy adjustments in needle, tension, presser foot pressure, and stabilizer use. #ButtonholeMachine #ThinFabricSewing #GarmentTech #IndustrialSewing, Use Fine Needles Choose #9 – #11 (65/9 – 75/11) sharp or microtex needles. Thicker needles will damage delicate fibers. Select Fine Thread Use 60s or 80s polyester thread for smoother stitches. Avoid coarse thread that may cut or distort the fabric. Adjust Thread Tension Lower the upper and bobbin tension to prevent puckering. Test on a fabric scrap before starting production. Use Stabilizers or Interlining Place a piece of tissue paper, water-soluble stabilizer, or thin fusible interlining under the fabric. This prevents fabric from slipping and tearing during the buttonhole. Reduce Presser Foot Pressure Too much pressure will stretch or mark thin fabrics.

Complete guide to the Juki 781 Buttonhole Machine Upper Thread Trimmer Mechanism and Caesar Open-Close System. Thread trimming is one of the most critical parts of buttonhole sewing. If the upper thread trimmer or open-close system is not adjusted correctly, it causes thread breakage, uncut threads, and trimming errors. 🧵 In This Video, You’ll Learn: How the upper thread trimming mechanism works on Juki 781 Step-by-step Caesar open-close system setup Adjusting knife position, spring tension, and timing How to synchronize the open-close system with the trimmer Troubleshooting common problems: Thread not cut properly Long thread tails Trimmer jamming Preventive maintenance tips for smooth performance ✅ Applies to Juki LBH-781 and similar buttonhole machine models. 🛠️ Tools Needed: Screwdriver, Allen key, cleaning brush, sewing machine oil. 💬 Still facing trimming issues? Comment your machine brand & problem details for direct troubleshooting help. 📌 Subscribe 🔔 for more Juk

Juki 781 Buttonhole Machine | Upper Thread Trimmer & Caesar Open-Close System, Complete guide to the Juki 781 Buttonhole Machine Upper Thread Trimmer Mechanism and Caesar Open-Close System. Thread trimming is one of the most critical parts of buttonhole sewing. If the upper thread trimmer or open-close system is not adjusted correctly, it causes thread breakage, uncut threads, and trimming errors. 🧵 In This Video, You’ll Learn: How the upper thread trimming mechanism works on Juki 781 Step-by-step Caesar open-close system setup Adjusting knife position, spring tension, and timing How to synchronize the open-close system with the trimmer Troubleshooting common problems: Thread not cut properly Long thread tails Trimmer jamming Preventive maintenance tips for smooth performance ✅ Applies to Juki LBH-781 and similar buttonhole machine models. 🛠️ Tools Needed: Screwdriver, Allen key, cleaning brush, sewing machine oil. 💬 Still facing trimming issues? Comment your machine brand

Juki LBH-1790 Buttonhole Machine | Bobbin Thread Cutting Programming Training, Complete training on how to program the Bobbin Thread Cutting function in Juki LBH-1790 Buttonhole Sewing Machine. Correct programming ensures clean buttonholes, no loose threads, and higher production efficiency. 🧵 In This Video, You’ll Learn: Function of the bobbin thread cutting system Step-by-step process to program thread trimming Adjusting trimming length and position Testing the bobbin thread cut after programming Troubleshooting common thread cutting issues Maintenance tips to keep the cutting knife sharp and smooth ✅ Applies to Juki LBH-1790A, LBH-1790S, and similar computerized buttonhole machines. 🛠️ Tools Needed: Machine operation panel access, programming manual, sample fabric, and cleaning brush. 💬 Still having issues with bobbin thread trimming? Comment your machine model & problem details for troubleshooting help. 📌 Subscribe 🔔 for more Juki, Brother, Jack & industrial sewing machi

Juki LBH-1790 Buttonhole Machine | Error 498 Removal & Fix, Learn how to diagnose and remove the dreaded Error 498 on the Juki LBH-1790 Buttonhole Sewing Machine! This step-by-step guide helps garment factory technicians, operators, and mechanics restore normal operation and minimize downtime. In This Video, You’ll Learn: What error 498 means on the LBH-1790 machine How to safely reset the machine using the control panel Common causes behind this error (e.g., memory glitches or miscommunication issues) Quick fixes to resolve the issue and resume stitching Preventive maintenance tips to reduce future occurrences Applies to: Juki LBH-1790A, 1790S, and similar computerized buttonhole models. Tools Needed: Control panel access, possibly power cycle, cleaning brush, and basic familiarity with the operation panel. Additional Visual Aid Suggestion: If you'd like, I can prepare a concise on-screen checklist graphic such as: Power OFF Reset via the control panel Test sewing cycle