{"product_id":"ac-series-standard-indexing-chuck","title":"AC Series Standard Indexing Chucks","description":"\u003cdiv class=\"tti-content\"\u003e\n\u003cheader aria-labelledby=\"tti-title\" class=\"tti-col-hero tti-hub-hero\"\u003e\n\u003cdiv class=\"tti-hub-hero__inner\"\u003e\n\u003cp class=\"tti-hub-hero__kicker\"\u003eStandard hydraulic indexing chuck for automatic multi-position machining.\u003c\/p\u003e\n\n\u003cp class=\"tti-hub-hero__lead\"\u003eThe AC Series combines hydraulic clamping with automatic angular indexing for single-setup, multi-angle machining. Standard 8×45° and 6×60° configurations support programmed machining of valve bodies, fittings, cross shafts, yoke parts and other components with intersecting or angular features. The fully sealed structure, plug-in fixture interface, optional floating extension pin and configurable position detection support CNC turning and automated machining cells.\u003c\/p\u003e\n\u003cdiv class=\"ds-btn-row tti-hub-hero__actions\"\u003e\n\u003ca class=\"clp-btn clp-btn--primary\" href=\"\/fr\/pages\/request-a-quote\"\u003eSubmit Your Requirement\u003c\/a\u003e\n\u003ca class=\"clp-btn clp-btn--outline\" href=\"\/fr\/pages\/contact\"\u003eGet Technical Materials\u003c\/a\u003e\u003ca class=\"clp-btn clp-btn--outline\" href=\"https:\/\/www.korretto.com\/page-en\/indexchuck2-en.html#indexing-chuck-selector\"\u003eAuto Selection Tool\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/header\u003e\u003cdiv class=\"tti-hero-product-shot\"\u003e\u003cimg alt=\"AC Series Standard Indexing Chuck main product image\" decoding=\"async\" height=\"1600\" loading=\"eager\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/toptool-indexing-ac-20261002.webp?v=1790961080\" width=\"1600\"\u003e\u003c\/div\u003e\n\u003csection aria-labelledby=\"ac-en-overview\" class=\"tti-hub-block\"\u003e\n\u003ch2 class=\"tti-hub-section-title\" id=\"ac-en-overview\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp class=\"tti-detail-prose\"\u003eThe AC Series is the standard hydraulic indexing chuck range for automatic multi-position machining. Hydraulic clamping and automatic indexing are integrated in one spindle-mounted system, allowing the workpiece to remain on the same workholding reference while successive angular features are machined.\u003c\/p\u003e\n\u003cp class=\"tti-detail-prose\"\u003eStandard 8×45° and 6×60° indexing configurations are available. The fully sealed structure helps isolate the indexing mechanism from chips, coolant and dust. A plug-in fixture interface supports fast fixture changeover, while an optional floating extension pin and configurable position detection can be selected according to the workpiece and machine layout.\u003c\/p\u003e\n\u003c\/section\u003e\u003csection aria-labelledby=\"ac-en-features\" class=\"tti-hub-block\"\u003e\n\u003ch2 class=\"tti-hub-section-title\" id=\"ac-en-features\"\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"tti-col-points\"\u003e\n\u003cli class=\"tti-col-points__item\"\u003e\n\u003ch3 class=\"tti-col-points__h\"\u003eHydraulic clamping with automatic indexing\u003c\/h3\u003e\n\u003cp class=\"tti-col-points__p\"\u003eCombines hydraulic workholding and programmed angular positioning in one spindle-side system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"tti-col-points__item\"\u003e\n\u003ch3 class=\"tti-col-points__h\"\u003eAutomatic 8×45° \/ 6×60° indexing\u003c\/h3\u003e\n\u003cp class=\"tti-col-points__p\"\u003eProvides standard equal-angle configurations for multi-position machining.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"tti-col-points__item\"\u003e\n\u003ch3 class=\"tti-col-points__h\"\u003eFully sealed structure\u003c\/h3\u003e\n\u003cp class=\"tti-col-points__p\"\u003eHelps isolate the internal indexing mechanism from chips, coolant and dust.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"tti-col-points__item\"\u003e\n\u003ch3 class=\"tti-col-points__h\"\u003eIndexing accuracy 1′\u003c\/h3\u003e\n\u003cp class=\"tti-col-points__p\"\u003eThe current AC Series specification defines 1 arc-minute indexing accuracy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"tti-col-points__item\"\u003e\n\u003ch3 class=\"tti-col-points__h\"\u003ePositioning repeatability \u0026lt;0.01 mm\u003c\/h3\u003e\n\u003cp class=\"tti-col-points__p\"\u003eUse the applicable model data and installation conditions when evaluating final machining accuracy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"tti-col-points__item\"\u003e\n\u003ch3 class=\"tti-col-points__h\"\u003ePlug-in fixture mounting\u003c\/h3\u003e\n\u003cp class=\"tti-col-points__p\"\u003eSupports fixture replacement and application-specific workpiece location.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"tti-col-points__item\"\u003e\n\u003ch3 class=\"tti-col-points__h\"\u003eApprox. 1-minute fixture changeover\u003c\/h3\u003e\n\u003cp class=\"tti-col-points__p\"\u003eActual time depends on fixture complexity, workpiece location and site operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"tti-col-points__item\"\u003e\n\u003ch3 class=\"tti-col-points__h\"\u003eOptional floating extension pin\u003c\/h3\u003e\n\u003cp class=\"tti-col-points__p\"\u003eAssists positioning where a conventional fixed locating surface is difficult to use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"tti-col-points__item\"\u003e\n\u003ch3 class=\"tti-col-points__h\"\u003eCustom fixture \/ insert support\u003c\/h3\u003e\n\u003cp class=\"tti-col-points__p\"\u003eFixture concepts can be designed around the workpiece, tool clearance and machine interface.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"tti-col-points__item\"\u003e\n\u003ch3 class=\"tti-col-points__h\"\u003eOptional indexing position detection and alarm monitoring\u003c\/h3\u003e\n\u003cp class=\"tti-col-points__p\"\u003eCan verify the indexed position before the next machining cycle continues.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\u003csection aria-labelledby=\"ac-en-apps\" class=\"tti-hub-block\"\u003e\n\u003ch2 class=\"tti-hub-section-title\" id=\"ac-en-apps\"\u003eTypical Applications\u003c\/h2\u003e\n\u003cp class=\"tti-detail-prose\"\u003eThe AC Series can be evaluated for CNC turning and automated machining cells where one setup must cover multiple angular features.\u003c\/p\u003e\n\u003cdiv class=\"tti-workpiece-row\"\u003e\n\u003cimg alt=\"Valve fitting example for AC Series indexing chuck\" decoding=\"async\" height=\"1180\" loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/toptool-indexing-ac-workpiece-1-20261003.webp?v=1791059905\" width=\"1180\"\u003e\n\u003cimg alt=\"Valve body example for AC Series indexing chuck\" decoding=\"async\" height=\"1180\" loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/toptool-indexing-ac-workpiece-2-20261003.webp?v=1791059921\" width=\"1180\"\u003e\n\u003cimg alt=\"Angled valve example for AC Series indexing chuck\" decoding=\"async\" height=\"1180\" loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/toptool-indexing-ac-workpiece-3-20261003.webp?v=1791059928\" width=\"1180\"\u003e\n\u003c\/div\u003e\n\u003cp class=\"tti-detail-prose\"\u003e\u003cstrong\u003eTypical workpieces:\u003c\/strong\u003e valve bodies, hydraulic fittings, pipe fittings, cross shafts, yoke parts, pump housings and other components with intersecting axes, multiple ports or angular machining faces.\u003c\/p\u003e\n\u003c\/section\u003e\u003csection aria-labelledby=\"ac-en-video\" class=\"tti-hub-block tti-hub-anchor-target\"\u003e\n\u003ch2 class=\"tti-hub-section-title\" id=\"ac-en-video\"\u003eAC Series Indexing Chuck in Operation\u003c\/h2\u003e\n\u003cdiv class=\"tti-video-wrap\"\u003e\n\u003cvideo controls=\"\" height=\"405\" poster=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/toptool-indexing-ac-20261002.webp?v=1790961080\" preload=\"metadata\" width=\"720\"\u003e\n\u003csource src=\"https:\/\/www.korretto.com\/vidio\/indexchuckshow.mp4\" type=\"video\/mp4\"\u003e\u003c\/video\u003e\n\u003c\/div\u003e\n\u003cp class=\"tti-detail-prose\"\u003eThe video demonstrates an indexing chuck performing multi-position machining in a single setup. Actual fixture design, indexing sequence and machine integration depend on the workpiece and application.\u003c\/p\u003e\n\u003c\/section\u003e\u003csection aria-labelledby=\"ac-en-spec\" class=\"tti-hub-block tti-hub-anchor-target\"\u003e\n\u003ch2 class=\"tti-hub-section-title\" id=\"ac-en-spec\"\u003eDimensions \u0026amp; Technical Specifications\u003c\/h2\u003e\n\n\u003ch3 class=\"tti-spec-subh3\" id=\"ac-en-outline\"\u003eOutline Dimensions\u003c\/h3\u003e\n\u003cfigure class=\"tti-indexing-figure tti-spec-diagram-wrap\"\u003e\u003cimg alt=\"AC Series indexing chuck dimension drawing\" decoding=\"async\" height=\"430\" loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/toptool-indexing-ac-dimensions-20261003.webp?v=1791059830\" width=\"953\"\u003e\u003c\/figure\u003e\u003cdiv class=\"tti-col-compare__wrap tti-spec-table-scroll\"\u003e\n\u003ctable class=\"tti-col-compare__table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eModel\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eA\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eB\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eC\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eD\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eG\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eJ\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eK\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eM\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eN\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eP\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAC-168A\/C\u003c\/th\u003e\n\u003ctd\u003e168\u003c\/td\u003e\n\u003ctd\u003e142\u003c\/td\u003e\n\u003ctd\u003e140\u003c\/td\u003e\n\u003ctd\u003e3.5\u003c\/td\u003e\n\u003ctd\u003e68\u003c\/td\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003e70\u003c\/td\u003e\n\u003ctd\u003e38\u003c\/td\u003e\n\u003ctd\u003e37.5\u003c\/td\u003e\n\u003ctd\u003e190\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAC-203A\/C\u003c\/th\u003e\n\u003ctd\u003e203\u003c\/td\u003e\n\u003ctd\u003e158\u003c\/td\u003e\n\u003ctd\u003e140\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e82\u003c\/td\u003e\n\u003ctd\u003e36\u003c\/td\u003e\n\u003ctd\u003e82\u003c\/td\u003e\n\u003ctd\u003e48.3\u003c\/td\u003e\n\u003ctd\u003e43.5\u003c\/td\u003e\n\u003ctd\u003e216\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAC-225A\/C\u003c\/th\u003e\n\u003ctd\u003e225\u003c\/td\u003e\n\u003ctd\u003e170\u003c\/td\u003e\n\u003ctd\u003e170\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e95\u003c\/td\u003e\n\u003ctd\u003e37\u003c\/td\u003e\n\u003ctd\u003e95\u003c\/td\u003e\n\u003ctd\u003e59.3\u003c\/td\u003e\n\u003ctd\u003e54.5\u003c\/td\u003e\n\u003ctd\u003e240\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAC-256A\/C\u003c\/th\u003e\n\u003ctd\u003e256\u003c\/td\u003e\n\u003ctd\u003e187\u003c\/td\u003e\n\u003ctd\u003e220\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e105\u003c\/td\u003e\n\u003ctd\u003e42\u003c\/td\u003e\n\u003ctd\u003e105\u003c\/td\u003e\n\u003ctd\u003e61.5\u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003ctd\u003e276\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAC-305A\/C\u003c\/th\u003e\n\u003ctd\u003e305\u003c\/td\u003e\n\u003ctd\u003e212\u003c\/td\u003e\n\u003ctd\u003e220\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e130\u003c\/td\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003ctd\u003e130\u003c\/td\u003e\n\u003ctd\u003e86\u003c\/td\u003e\n\u003ctd\u003e84.5\u003c\/td\u003e\n\u003ctd\u003e330\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAC-400A\/C\u003c\/th\u003e\n\u003ctd\u003e400\u003c\/td\u003e\n\u003ctd\u003e278\u003c\/td\u003e\n\u003ctd\u003e300\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e175\u003c\/td\u003e\n\u003ctd\u003e58\u003c\/td\u003e\n\u003ctd\u003e175\u003c\/td\u003e\n\u003ctd\u003e118.5\u003c\/td\u003e\n\u003ctd\u003e114.5\u003c\/td\u003e\n\u003ctd\u003e427\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAC-500A\/C\u003c\/th\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003ctd\u003e332\u003c\/td\u003e\n\u003ctd\u003e380\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e215\u003c\/td\u003e\n\u003ctd\u003e58\u003c\/td\u003e\n\u003ctd\u003e225\u003c\/td\u003e\n\u003ctd\u003e160.8\u003c\/td\u003e\n\u003ctd\u003e156.5\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"tti-spec-subh3\" id=\"ac-en-tech\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"tti-indexing-figure tti-spec-diagram-wrap\"\u003e\u003cimg alt=\"AC Series indexing chuck dimension drawing\" decoding=\"async\" height=\"430\" loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/toptool-indexing-ac-dimensions-20261003.webp?v=1791059830\" width=\"953\"\u003e\u003c\/figure\u003e\u003cdiv class=\"tti-col-compare__wrap tti-spec-table-scroll\"\u003e\n\u003ctable class=\"tti-col-compare__table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eModel\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eMax Workpiece (mm)\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eMax Clamping (kN)\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eStroke L (mm)\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eMax Speed (rpm)\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eSpindle Nose\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eThrough Bore (mm)\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eNet Weight (kg)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAC-168A\/C\u003c\/th\u003e\n\u003ctd\u003e136\u003c\/td\u003e\n\u003ctd\u003e10.6\u003c\/td\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003ctd\u003e3500\u003c\/td\u003e\n\u003ctd\u003eA2-5\u003c\/td\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAC-203A\/C\u003c\/th\u003e\n\u003ctd\u003e164\u003c\/td\u003e\n\u003ctd\u003e11.3\u003c\/td\u003e\n\u003ctd\u003e15.2\u003c\/td\u003e\n\u003ctd\u003e3000\u003c\/td\u003e\n\u003ctd\u003eA2-5\u003c\/td\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003ctd\u003e24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAC-225A\/C\u003c\/th\u003e\n\u003ctd\u003e190\u003c\/td\u003e\n\u003ctd\u003e11.3\u003c\/td\u003e\n\u003ctd\u003e15.2\u003c\/td\u003e\n\u003ctd\u003e2800\u003c\/td\u003e\n\u003ctd\u003eA2-6\u003c\/td\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAC-256A\/C\u003c\/th\u003e\n\u003ctd\u003e210\u003c\/td\u003e\n\u003ctd\u003e14.5\u003c\/td\u003e\n\u003ctd\u003e19.1\u003c\/td\u003e\n\u003ctd\u003e2500\u003c\/td\u003e\n\u003ctd\u003eA2-8\u003c\/td\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003ctd\u003e42\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAC-305A\/C\u003c\/th\u003e\n\u003ctd\u003e260\u003c\/td\u003e\n\u003ctd\u003e14.5\u003c\/td\u003e\n\u003ctd\u003e19.1\u003c\/td\u003e\n\u003ctd\u003e2200\u003c\/td\u003e\n\u003ctd\u003eA2-8\u003c\/td\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003ctd\u003e61\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAC-400A\/C\u003c\/th\u003e\n\u003ctd\u003e350\u003c\/td\u003e\n\u003ctd\u003e31.4\u003c\/td\u003e\n\u003ctd\u003e27\u003c\/td\u003e\n\u003ctd\u003e1800\u003c\/td\u003e\n\u003ctd\u003eA2-11\u003c\/td\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003ctd\u003e120\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAC-500A\/C\u003c\/th\u003e\n\u003ctd\u003e430\u003c\/td\u003e\n\u003ctd\u003e20.1\u003c\/td\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003e1200\u003c\/td\u003e\n\u003ctd\u003eA2-11\u003c\/td\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003ctd\u003e173.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003c\/section\u003e\u003csection aria-labelledby=\"ac-en-selection\" class=\"tti-hub-block\"\u003e\n\u003ch2 class=\"tti-hub-section-title\" id=\"ac-en-selection\"\u003eSelection Notes\u003c\/h2\u003e\n\u003cp class=\"tti-detail-prose\"\u003eStart with the workpiece drawing, rotation envelope, clamping requirement, stroke, spindle nose and fixture space. Confirm that the workpiece and tooling remain clear throughout the full indexing path before selecting the final model.\u003c\/p\u003e\n\u003cdiv class=\"tti-indexing-formula\"\u003e2G \u0026gt; Q\u003c\/div\u003e\n\u003cp class=\"tti-detail-prose\"\u003eThe chuck opening reference 2G must be larger than the maximum workpiece rotation envelope Q. Also review the required clearances between N and n and between M and m, together with tool interference and the machine enclosure.\u003c\/p\u003e\n\u003c\/section\u003e\u003csection class=\"tti-indexing-selector\" id=\"indexing-chuck-selector\"\u003e\n\u003cdiv class=\"tti-indexing-selector__hero\"\u003e\n\u003cdiv class=\"tti-indexing-selector__inner\"\u003e\n\u003cdiv class=\"tti-indexing-selector__header\"\u003e\n\n\u003ch2\u003eIndexing Chuck Selection Tool\u003c\/h2\u003e\n\u003cp class=\"tti-indexing-selector__lead\"\u003eUse the KORRETTO selection tool with workpiece dimensions n and m and the maximum rotating envelope Q. The tool checks 2G \u0026gt; Q and the N - n and M - m clearances, showing primary and compact geometric matches.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tti-indexing-selector__reference-panel\"\u003e\n\u003cdiv class=\"tti-indexing-selector__inner\"\u003e\n\u003cfigure class=\"tti-indexing-selector__reference\"\u003e\n\u003cimg alt=\"Indexing chuck selection reference showing workpiece dimensions n, m and rotating envelope Q\" decoding=\"async\" height=\"443\" loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/toptool-indexing-selection-dimensions-20261003.webp?v=1791059877\" width=\"321\"\u003e\n\u003cfigcaption\u003eQ: rotating envelope dimension; n: lower workpiece reference dimension; m: upper workpiece reference dimension. Use the project drawing definitions.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cp\u003e\u003ca class=\"clp-btn clp-btn--primary\" href=\"https:\/\/www.korretto.com\/page-en\/indexchuck2-en.html#indexing-chuck-selector\"\u003eOpen KORRETTO Auto Selection Tool\u003c\/a\u003e\u003c\/p\u003e\u003c\/section\u003e\u003csection aria-labelledby=\"ac-en-faq\" class=\"tti-hub-block tti-indexing-faq\" id=\"faq\"\u003e\n\u003ch2 class=\"tti-hub-section-title\" id=\"ac-en-faq\"\u003eAC Series FAQ\u003c\/h2\u003e\n\u003cdetails id=\"faq-ac-en-1\" open=\"\"\u003e\n\u003csummary\u003eWhat is the AC Series indexing chuck used for?\u003c\/summary\u003e\n\u003cp\u003eThe AC Series is the standard hydraulic indexing chuck range for workpieces that require multiple angular machining positions in one setup. It combines hydraulic clamping with automatic indexing and is commonly used for valve bodies, fittings, cross shafts, yoke parts and other components with multiple intersecting or angular features.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails id=\"faq-ac-en-2\"\u003e\n\u003csummary\u003eWhat indexing configurations are available on the AC Series?\u003c\/summary\u003e\n\u003cp\u003eStandard AC Series configurations support automatic 8×45° and 6×60° indexing. The chuck mechanically positions the workpiece at each programmed angle so multiple features can be machined without removing and re-clamping the part.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails id=\"faq-ac-en-3\"\u003e\n\u003csummary\u003eWhat information should I provide for model selection?\u003c\/summary\u003e\n\u003cp\u003ePlease provide the workpiece drawing or 3D model, material, workpiece envelope, clamping position, machining locations, required indexing angles, machine model, spindle nose, available hydraulic configuration, fixture requirements and target cycle time. Tool clearance and the full indexing path should also be checked before the final model is selected.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails id=\"faq-ac-en-4\"\u003e\n\u003csummary\u003eHow accurate is the AC Series?\u003c\/summary\u003e\n\u003cp\u003eAccording to the current AC Series specification, indexing accuracy is 1′ and positioning repeatability is less than 0.01 mm. Actual machining accuracy also depends on the fixture, workpiece condition, machine spindle, cutting process and installation.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails id=\"faq-ac-en-5\"\u003e\n\u003csummary\u003eHow quickly can the fixture be changed?\u003c\/summary\u003e\n\u003cp\u003eThe plug-in fixture interface is designed for fast changeover. Standard AC Series documentation specifies approximately one minute for fixture replacement under suitable setup conditions. Actual changeover time depends on the fixture and workpiece configuration.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails id=\"faq-ac-en-6\"\u003e\n\u003csummary\u003eIs the AC Series fully sealed?\u003c\/summary\u003e\n\u003cp\u003eYes. The AC Series uses a fully sealed structure designed to help isolate the internal indexing mechanism from chips, coolant and dust.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails id=\"faq-ac-en-7\"\u003e\n\u003csummary\u003eCan the AC Series be used with automated loading?\u003c\/summary\u003e\n\u003cp\u003eYes, depending on the fixture and machine layout. Robot loading can be integrated when sufficient loading clearance, workpiece positioning, clamp confirmation, indexing confirmation and CNC \/ PLC I\/O signals are available. For applications that prioritize front-access automation, the FAC Series should also be evaluated.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails id=\"faq-ac-en-8\"\u003e\n\u003csummary\u003eCan position detection and alarm monitoring be added?\u003c\/summary\u003e\n\u003cp\u003eYes. Optional indexing-position detection and jam-alarm functions can be configured to verify that the positioning rod has reached the required indexed position before machining continues.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails id=\"faq-ac-en-9\"\u003e\n\u003csummary\u003eWhat is the optional floating extension pin used for?\u003c\/summary\u003e\n\u003cp\u003eThe optional floating extension pin can assist with workpiece positioning where a conventional fixed locating surface is difficult to use. The final locating arrangement must be designed according to the workpiece geometry and machining clearance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\u003csection aria-labelledby=\"ac-en-related\" class=\"tti-hub-block tti-col-related\"\u003e\n\u003ch2 class=\"tti-hub-section-title\" id=\"ac-en-related\"\u003eRelated Products\u003c\/h2\u003e\n\u003cul class=\"tti-col-related__list\"\u003e\n\u003cli\u003e\u003ca href=\"\/fr\/collections\/indexing-chuck\"\u003e\u003cstrong\u003eIndexing Chucks\u003c\/strong\u003e\u003cspan class=\"tti-col-related__desc\"\u003eBrowse all indexing chuck series.\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/fr\/products\/sc-series-compact-indexing-chuck\"\u003e\u003cstrong\u003eSC Series Compact Indexing Chucks\u003c\/strong\u003e\u003cspan class=\"tti-col-related__desc\"\u003eCompact indexing for smaller spindles and machines.\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/fr\/products\/fac-series-automatic-indexing-chuck\"\u003e\u003cstrong\u003eFAC Series Fully Automatic Indexing Chucks\u003c\/strong\u003e\u003cspan class=\"tti-col-related__desc\"\u003eFront-access automation for loading and unloading.\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/fr\/products\/lc-series-large-indexing-chuck\"\u003e\u003cstrong\u003eLC Series Large Indexing Chucks\u003c\/strong\u003e\u003cspan class=\"tti-col-related__desc\"\u003eLarge and irregular workpieces with modular fixture options.\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/fr\/collections\/hydraulic-chuck\"\u003e\u003cstrong\u003eHydraulic Chucks\u003c\/strong\u003e\u003cspan class=\"tti-col-related__desc\"\u003eHydraulic clamping without automatic indexing.\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\u003csection class=\"tti-hub-uncertain tti-hub-uncertain--split\"\u003e\n\u003cdiv class=\"tti-hub-uncertain__inner tti-hub-uncertain__inner--split\"\u003e\n\u003cdiv class=\"tti-hub-uncertain__copy\"\u003e\n\u003ch2 class=\"tti-hub-uncertain__title\"\u003eNeed an AC Series model and machine-interface check?\u003c\/h2\u003e\n\u003cp class=\"tti-hub-uncertain__text\"\u003eProvide the workpiece drawing, spindle interface, clamping position, indexing angles and automation requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tti-hub-uncertain__action\"\u003e\u003cdiv class=\"ds-btn-row tti-hub-hero__actions\"\u003e\n\u003ca class=\"clp-btn clp-btn--primary\" href=\"\/fr\/pages\/request-a-quote\"\u003eSubmit Your Requirement\u003c\/a\u003e\u003ca class=\"clp-btn clp-btn--outline\" href=\"\/fr\/pages\/contact\"\u003eGet Technical Materials\u003c\/a\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"TOPTOOL","offers":[{"title":"Default Title","offer_id":67639368220857,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/toptool-indexing-ac-20261002_3c400406-a78c-49af-9f48-8c3b35b679a9.webp?v=1791060145","url":"https:\/\/toptool.ca\/fr\/products\/ac-series-standard-indexing-chuck","provider":"TOP-TOOL","version":"1.0","type":"link"}