Synopsis
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 — Rafiqul Engineering will help you with the exact setup! 📌 Subscribe 🔔 for more Buttonhole, Bartack & Jack Sewing Machine Training Tutorials. #ButtonholeMachine #TimingSetup #Juki1790 #BrotherHE80 #RafiqulEngineering #SewingMachineRepair ⚙️ 🧠 Technical Timing Summary (Standard Reference): Adjustment Part Standard Timing Function Problem if Incorrect Needle Bar Height Needle up 2.4 mm when hook point aligns Ensures loop catching Skip stitch, thread break Rotary Hook Point 0.05–0.1 mm clearance from needle scarf Proper stitch formation Missed stitch Looper Timing Looper tip meets needle loop exactly Balances upper & lower thread Looping, thread tangle Knife Timing Knife moves after last stitch Clean thread cutting Thread tail remains,, You can learn about any garments machine from us, আমাদের কাছ থেকে যে কোনও গার্মেন্টস মেশিন সম্পর্কে শিখতে পারেন, আপনার মূল্যবান ,মতামত জানান আমাদের ফেসবুক পেজে /rafiqulengineering
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