{"product_id":"ldo-57sth56-2804a-reva-nema23-motor","title":"LDO NEMA23 Motor for Milo — 57STH56-2804A, 1.26 N·m","description":"\u003cp\u003e\u003cstrong\u003eThe NEMA23 stepper the Milo is built around.\u003c\/strong\u003e Genuine LDO Motors 57STH56-2804A — the same motor LDO ships in the official Millennium Mills Milo v1.5 kits. Drop-in for the X, Y and Z axes.\u003c\/p\u003e\n\u003ch3\u003eWhy NEMA23 (and why this one)\u003c\/h3\u003e\n\u003cp\u003eA Milo \u003cem\u003ecuts metal\u003c\/em\u003e. Unlike a 3D printer flinging a light toolhead through air, a mill drives leadscrews that push the table into the work against real cutting forces. That needs torque and a stiff shaft a NEMA17 can't give. This motor's \u003cstrong\u003e1.26 N·m (178 oz-in)\u003c\/strong\u003e holding torque holds position under load and resists back-driving from the cutter, and the fat \u003cstrong\u003e6.35 mm (1\/4\") shaft\u003c\/strong\u003e resists the torsional flex that wrecks accuracy. 2.8 A\/phase is the standard drive level for the TMC-class drivers in the Milo's electronics — the matched, validated operating point, not a guess.\u003c\/p\u003e\n\u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine LDO Motors hybrid stepper · 57STH56-2804A\u003c\/li\u003e\n\u003cli\u003eNEMA23, 56 mm body · 1.8° (200 steps\/rev) · bipolar, 4-lead\u003c\/li\u003e\n\u003cli\u003e2.8 A\/phase · \u003cstrong\u003e1.26 N·m (178 oz-in)\u003c\/strong\u003e holding torque\u003c\/li\u003e\n\u003cli\u003e6.35 mm (1\/4\") D-cut shaft · ~0.7 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eYou need three\u003c\/h3\u003e\n\u003cp\u003eA complete Milo build uses \u003cstrong\u003ethree\u003c\/strong\u003e of these — one each for X, Y and Z (no dual-motor axis). Grab the set.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eMotor wires \/ connectors not included (the official Milo kits ship without them too).\u003c\/em\u003e\u003c\/p\u003e","brand":"LDO","offers":[{"title":"Default Title","offer_id":43748642881758,"sku":"5777742832","price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/IMG_3654.jpg?v=1670949626","url":"https:\/\/formosissima.myshopify.com\/products\/ldo-57sth56-2804a-reva-nema23-motor","provider":"dfh.fm","version":"1.0","type":"link"}