https://www.jyyjjx.cn/ https://www.jyyjjx.cn/tube-mill-lines https://www.jyyjjx.cn/auxiliary-equipment https://www.jyyjjx.cn/projects https://www.jyyjjx.cn/about https://www.jyyjjx.cn/contact https://www.jyyjjx.cn/tube-mill-lines/yj-20 https://www.jyyjjx.cn/tube-mill-lines/yj-32 https://www.jyyjjx.cn/tube-mill-lines/yj-50 https://www.jyyjjx.cn/tube-mill-lines/yj-76 https://www.jyyjjx.cn/tube-mill-lines/yj-89 https://www.jyyjjx.cn/tube-mill-lines/yj-102 https://www.jyyjjx.cn/tube-mill-lines/yj-114 https://www.jyyjjx.cn/tube-mill-lines/yj-127 https://www.jyyjjx.cn/tube-mill-lines/yj-165 https://www.jyyjjx.cn/tube-mill-lines/yj-219 https://www.jyyjjx.cn/tube-mill-lines/yj-254 https://www.jyyjjx.cn/tube-mill-lines/yj-273 https://www.jyyjjx.cn/auxiliary-equipment/slitting-lines https://www.jyyjjx.cn/auxiliary-equipment/uncoilers https://www.jyyjjx.cn/auxiliary-equipment/leveling-machines https://www.jyyjjx.cn/auxiliary-equipment/shear-butt-welders https://www.jyyjjx.cn/spiral-accumulators https://www.jyyjjx.cn/auxiliary-equipment/forming-sizing https://www.jyyjjx.cn/auxiliary-equipment/flying-saws https://www.jyyjjx.cn/news https://www.jyyjjx.cn/videos https://www.jyyjjx.cn/privacy https://www.jyyjjx.cn/faq https://www.jyyjjx.cn/news/decoiler-types-steel-coil-uncoiler 2026-10-16T08:10:59.390Z https://www.jyyjjx.cn/news/erw-pipe-making-process 2026-10-28T12:55:45.458Z https://www.jyyjjx.cn/news/erw-tube-mill-line-layout-equipment-sequence 2026-10-12T14:51:26.156Z https://www.jyyjjx.cn/news/erw-tube-mill-selection-10-steps 2026-10-12T14:51:06.812Z https://www.jyyjjx.cn/news/export-tube-mill-voltage-frequency 2026-10-12T14:51:20.291Z https://www.jyyjjx.cn/news/flying-saw-speed-length-cycle 2026-10-12T06:05:13.716Z https://www.jyyjjx.cn/news/high-frequency-welding-erw-tube-mill 2026-10-28T12:55:41.888Z https://www.jyyjjx.cn/news/horizontal-vs-floor-type-spiral-accumulator 2026-10-12T14:51:31.979Z https://www.jyyjjx.cn/news/hydraulic-expanding-uncoiler-wedge-mandrel 2026-10-16T08:11:04.375Z https://www.jyyjjx.cn/news/motor-hf-power-electrical-capacity 2026-10-12T06:05:08.234Z https://www.jyyjjx.cn/news/shear-butt-welder-manual-semi-automatic-fully-automatic 2026-10-12T14:51:28.101Z https://www.jyyjjx.cn/news/single-or-double-head-uncoiler-coil-weight 2026-10-16T08:11:06.676Z https://www.jyyjjx.cn/news/spiral-accumulator-faq 2026-10-12T14:51:16.473Z https://www.jyyjjx.cn/news/square-tube-mill-round-to-square 2026-10-20T06:38:34.194Z https://www.jyyjjx.cn/news/tube-mill-acceptance-conditions-records 2026-10-12T06:05:27.393Z https://www.jyyjjx.cn/news/tube-mill-calculations-strip-width-weight-coil 2026-10-12T14:51:18.346Z https://www.jyyjjx.cn/news/tube-mill-cooling-flow-heat-rejection 2026-10-12T06:05:18.499Z https://www.jyyjjx.cn/news/tube-mill-delivery-foundation-commissioning 2026-10-12T14:51:22.328Z https://www.jyyjjx.cn/news/tube-mill-entry-section-complete-vs-single-machine 2026-10-12T14:51:14.589Z https://www.jyyjjx.cn/news/tube-mill-entry-strip-leveler-six-roll 2026-10-12T14:51:33.906Z https://www.jyyjjx.cn/news/tube-mill-quotation-checklist 2026-10-12T14:51:10.761Z https://www.jyyjjx.cn/news/tube-mill-rollers-sets-size-changes 2026-10-20T06:38:31.847Z https://www.jyyjjx.cn/news/tube-mill-selection-production-mix 2026-10-12T11:13:08.090Z https://www.jyyjjx.cn/news/tube-mill-supply-scope-interfaces 2026-10-12T11:13:09.631Z https://www.jyyjjx.cn/news/used-tube-mill-or-new 2026-10-20T06:38:35.916Z https://www.jyyjjx.cn/news/what-is-a-slitting-line 2026-10-16T08:10:56.992Z https://www.jyyjjx.cn/news/what-is-a-spiral-accumulator 2026-10-12T14:51:12.673Z https://www.jyyjjx.cn/news/what-is-erw-pipe 2026-10-28T12:55:48.169Z https://www.jyyjjx.cn/videos/spiral-accumulator-in-operation 螺旋活套运行实拍 https://www.jyyjjx.cn/api/media/781473ac-ccc2-4c1a-994c-d1c1f63f4276.jpg 中国华东一条焊管生产线上的螺旋活套：钢带侧立着绕成螺旋储存，入口换卷、接续时，活套继续向后道送料。 https://www.jyyjjx.cn/api/media/31ef26c1-4550-4109-8b05-45edc685374b.mp4 60 2026-10-29T06:32:56.479Z https://www.jyyjjx.cn/videos/entry-section-uncoiler-to-accumulator 前辅机运行：从开卷到螺旋活套 https://www.jyyjjx.cn/api/media/01bbde74-b5f9-433d-887d-9b2c245d0660.jpg 东南亚一个焊管项目的前辅机现场：钢带从开卷机放出，经剪切对焊机接续，进入螺旋活套储存后再送往成型段。 https://www.jyyjjx.cn/api/media/633d78f0-8a44-4d3c-bebb-4ddd0903e73f.mp4 30 2026-10-29T06:33:10.572Z https://www.jyyjjx.cn/videos/shear-butt-welder-and-spiral-accumulator 剪切对焊机与螺旋活套 https://www.jyyjjx.cn/api/media/3127c123-5e89-4f9d-bec8-0fff7d18fd24.jpg 东南亚一条焊管生产线的入口设备：剪切对焊机、钢带导向和操作台，以及正在储料的螺旋活套。 https://www.jyyjjx.cn/api/media/90507938-76a1-4a6a-94fe-1fe180431f2e.mp4 48 2026-10-29T06:33:37.460Z https://www.jyyjjx.cn/videos/entry-section-layout 前辅机布置全景 https://www.jyyjjx.cn/api/media/41882938-2952-4a0d-85e5-0e8c67ae1882.jpg 中东一个焊管项目的前辅机现场全景：开卷机、剪切对焊机、导向支架和螺旋活套沿生产线依次布置。 https://www.jyyjjx.cn/api/media/8197f249-999b-4ae5-a5c8-2343bf827f1f.mp4 45 2026-10-29T06:34:21.600Z