{"id":17306,"date":"2026-10-20T03:37:16","date_gmt":"2026-10-20T03:37:16","guid":{"rendered":"https:\/\/www.fhopepack.com\/videos\/how-to-do-black-annealed-wire-winding-and-strapping-automatically\/"},"modified":"2026-10-20T12:35:10","modified_gmt":"2026-10-20T12:35:10","slug":"how-to-do-black-annealed-wire-winding-and-strapping-automatically","status":"publish","type":"post","link":"https:\/\/www.fhopepack.com\/videos\/how-to-do-black-annealed-wire-winding-and-strapping-automatically\/","title":{"rendered":"How to Do Black Annealed Wire Winding and Strapping Automatically?"},"content":{"rendered":"

Overview<\/h2>\n

Automatic black annealed wire winding and strapping feeds wire off a supply reel, measures the length with an encoder, winds it into a coil and straps the coil in position, so each finished coil holds its shape at dispatch and at the customer. This guide helps a black annealed wire producer choose between three equipment layouts by starting from the coil weight it actually ships, then lists what to supply before a quotation.<\/p>\n

The machines shown in the linked videos are a similar machine family used as a reference; every machine is engineered to your wire size, coil size and output, and the final configuration is fixed at quotation.<\/p>\n

What the Automatic Winding and Strapping Process Does<\/h2>\n

Automatic wire coil winding and strapping converts a large supply reel into small, tied coils. The basic process has four steps:<\/p>\n

    \n
  1. Pay-off.<\/strong> Wire runs off the large supply reel.<\/li>\n
  2. Measure and cut.<\/strong> The machine counts the length with an encoder and cuts at the set value.<\/li>\n
  3. Wind.<\/strong> A winding head forms a small coil; on many machines the coil is wound without a spindle left inside.<\/li>\n
  4. Tie or strap.<\/strong> The coil is tied or strapped while still held in the forming position, then taken away for the next coil.<\/li>\n<\/ol>\n

    Black annealed wire is springy: once wound, the coil wants to open and the turns want to cross. Strapping is therefore part of the forming step, not an afterthought. If a coil is moved to a separate table before it is fixed, the turns cross and the coil deforms.<\/p>\n

    Choose a Layout by Coil Weight, Not Just by Ring Size<\/h2>\n

    The ring geometry (inside and outside diameter, height) is the first filter, but coil weight decides the layout<\/strong>. A light off-line machine is limited to about 5 kg per coil. Check your coil weight before selecting a machine:<\/p>\n

    Weight check for a solid-steel annulus:<\/strong><\/p>\n

    Volume \u2248 \u03c0 \u00f7 4 \u00d7 (OD\u00b2 \u2212 ID\u00b2) \u00d7 height<\/p><\/blockquote>\n

    For a black annealed wire coil of ID 200 mm, OD 350 mm, height 180 mm<\/strong> the solid-steel volume is about 0.0117 m\u00b3. At steel density of roughly 7,850 kg\/m\u00b3 this equals about 90 kg of solid steel, so even a loosely packed coil of this size weighs tens of kilograms\u2014far above the 5 kg limit of the light machine. This size therefore points to Layout 2 (rewinding and compacting line) or Layout 3 (inline machine), not Layout 1.<\/p>\n

    Use the formula with your real wire diameter and packed density to get a number for your product rather than assuming the geometry alone is enough.<\/p>\n\n
    Coil weight per coil<\/th>\nRecommended layout<\/th><\/tr><\/thead>\n
    Up to about 5 kg, small installer or retail coils<\/td>\nLayout 1: off-line rewinding and tying machine<\/td><\/tr>\n
    Tens of kilograms, dense even rings for transport<\/td>\nLayout 2: rewinding and compacting line<\/td><\/tr>\n
    Continuous output at the end of a drawing line<\/td>\nLayout 3: inline winding and strapping machine<\/td><\/tr><\/tbody><\/table>\n

    Layout 1: Off-Line Rewinding and Tying Machine<\/h2>\n

    This layout sits next to the pay-off and splits a large reel into several smaller tied coils. It suits finished black annealed wire packaged into lightweight installer coils off the main drawing line.<\/p>\n

    Typical working window (representative, confirmed on a trial with your wire):<\/p>\n\n
    Parameter<\/th>\nTypical value<\/th><\/tr><\/thead>\n
    Coil ID<\/td>\n120\u2013200 mm<\/td><\/tr>\n
    Coil OD<\/td>\n200\u2013450 mm<\/td><\/tr>\n
    Coil height<\/td>\n50\u2013200 mm<\/td><\/tr>\n
    Coil weight<\/td>\nup to 5 kg<\/td><\/tr><\/tbody><\/table>\n