{"title":"All Products and Services","description":"","products":[{"product_id":"jacobs-chuck-service-ring","title":"Jacobs Chuck Press Ring(8.5N, 11N, 14N, 16N, 18N, and 20N. The 11N Service Ring is also compatible with Jacobs 6A-33)","description":"\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cstrong\u003eDamage Free Repair\u003c\/strong\u003e\u003cbr\u003eImproper removal and assembly of your Jacobs Super Chuck can permanently damage the sleeve and other components. Service Rings are engineered to perfectly match the bevels on your chuck, allowing for damage-free removal and installation - increasing the life of your chuck. The Service Rings have machined bevels while the \u003ca title=\"DIY Service Ring Plans\" href=\"https:\/\/evolventdesign.com\/products\/jacobs-chuck-service-ring-digital\"\u003eDIY service rings kits\u003c\/a\u003e have all the instructions and supportive materials you need to match them.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Perfect Fit\u003c\/strong\u003e\u003cbr\u003eEach Jacobs Super Chuck has a different size and product specifications, making it difficult to service multiple chucks with the same service ring. The double-sided service ring is designed to specifically match the contours on a given Jacobs Chuck, giving you the perfect fit for the chuck in your shop. Sizes are available for all chucks 8.5N, 11N, 14N, 16N, 18N, and 20N. The 11N Service Ring is also compatible with Jacobs 6A-33 Chucks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVersatile\u003cbr\u003e\u003c\/strong\u003eWith IDs ranging from just over 1\" to 2.5\" and ODs ranging from ~1.5 to over 3.5\", this is a versatile addition to your press and will work-holding easier.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt to Last\u003c\/strong\u003e\u003cbr\u003eThese service rings are machined out of 6061 Aluminum and are designed to last for repeated use. Jacobs Super Chucks are designed to last generations with the proper care and maintenance, and the right service ring will last just as long. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote: \u003c\/strong\u003eThe Super Chuck is not included in the purchase of a Service Ring. A tube of \u003ca href=\"https:\/\/evolventdesign.com\/products\/mobil-grease-xhp-222?\" title=\"Mobilgrease XHP 222\" target=\"_blank\"\u003eMobilgrease XHP 222 \u003c\/a\u003eis included with the set of all rings\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Evolvent Design","offers":[{"title":"8.5N","offer_id":37020913696931,"sku":"JC85N0","price":33.0,"currency_code":"USD","in_stock":true},{"title":"11N","offer_id":37020913729699,"sku":"JC11N0","price":36.0,"currency_code":"USD","in_stock":true},{"title":"14N","offer_id":37020913762467,"sku":"JC14N0","price":39.0,"currency_code":"USD","in_stock":true},{"title":"16N","offer_id":37025001406627,"sku":"JC16N0","price":42.0,"currency_code":"USD","in_stock":true},{"title":"18N","offer_id":37025002586275,"sku":"JC18N0","price":43.0,"currency_code":"USD","in_stock":true},{"title":"20N","offer_id":37025002684579,"sku":"JC20N0","price":44.0,"currency_code":"USD","in_stock":true},{"title":"Complete Kit (all sleeves included)","offer_id":37025148895395,"sku":"JC00N1","price":197.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0424\/4249\/0019\/products\/Jacobs-Lineup_color-corrected.jpg?v=1641490762"},{"product_id":"jacobs-chuck-service-ring-digital","title":"Jacobs Super Chuck Press Ring Plans - Digital Download (8.5N, 11N, 14N, 16N, 18N, and 20N. The 11N Service Ring is also compatible with Jacobs 6A-33)","description":"\u003cp\u003e\u003cstrong\u003eDamage Free Repair\u003c\/strong\u003e\u003cbr\u003eImproper removal and assembly of your Jacobs Super Chuck can permanently damage the sleeve and other components. Service Rings are engineered to perfectly match the bevels on your chuck, allowing for damage-free removal and installation - increasing the life of your chuck. These\u003cspan\u003e \u003c\/span\u003eDIY service rings kits\u003cspan\u003e \u003c\/span\u003ehave all the instructions and supportive materials you need to machine the perfect tool for your chuck. In a hurry or don't want to make one? We offer \u003ca href=\"https:\/\/evolventdesign.com\/products\/jacobs-chuck-service-ring\" title=\"Purchase pre-machined service rings\"\u003emachined 6061 aluminum Service Rings\u003c\/a\u003e as well.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Perfect Fit\u003c\/strong\u003e\u003cbr\u003eEach Jacobs Super Chuck has a different size and product specifications, making it difficult to service multiple chucks with the same service ring. The double-sided service ring is designed to specifically match the contours on a given Jacobs Chuck, giving you the perfect fit for the chuck in your shop. Sizes are available for all chucks 8.5N, 11N, 14N, 16N, 18N, and 20N. The 11N Service Ring is also compatible with Jacobs 6A-33 Chucks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVersatile\u003cbr\u003e\u003c\/strong\u003eWith IDs ranging from just over 1\" to 2.5\" and ODs ranging from ~1.5 to over 3.5\", this is a versatile addition to your press and will\u003cspan\u003e make \u003c\/span\u003ework-holding easier.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt to Last\u003c\/strong\u003e\u003cbr\u003eWhile machining is up to you, these service rings are designed to last for repeated use. Jacobs Super Chucks are designed to last generations with the proper care and maintenance, and the right service ring will last just as long. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote: \u003c\/strong\u003eThe Super Chuck is not included in the purchase of a Service Ring.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp class=\"sc-oTLFK lcHmGL pf-a8dc41c6\" data-pf-type=\"Heading\" style=\"text-align: center;\"\u003e\u003cspan class=\"sc-ptSuy fnmilh pf-e0dba8dc\" data-pf-type=\"Text\"\u003e\u003cspan style=\"color: #404040;\"\u003e\"I made the ring for a 14N, and in about two hrs I had repaired a 14n chuck - The tool works perfect i'm going to order prints for the other rings. I have a collection of super chucks up to and including the 20n\"\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cdiv class=\"sc-pkvvt cbrLgP pf-714d2b85\" data-pf-type=\"Paragraph2\" style=\"text-align: center;\"\u003e\u003cspan class=\"sc-ptSuy fnmilh pf-d3d4714d\" data-pf-type=\"Text\"\u003e- Larry S\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"sc-pkvvt cbrLgP pf-c26690fc\" data-pf-type=\"Paragraph2\" style=\"text-align: center;\"\u003e\u003cspan class=\"sc-ptSuy fnmilh pf-2a49c266\" data-pf-type=\"Text\"\u003ePress Ring Downloadable Plan\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Evolvent Design","offers":[{"title":"8-1\/2N","offer_id":37022001856675,"sku":"","price":6.0,"currency_code":"USD","in_stock":true},{"title":"11N \u0026 6A-33","offer_id":37022001889443,"sku":"","price":6.0,"currency_code":"USD","in_stock":true},{"title":"14N","offer_id":37022001922211,"sku":"","price":6.0,"currency_code":"USD","in_stock":true},{"title":"16N","offer_id":37024949141667,"sku":"","price":6.0,"currency_code":"USD","in_stock":true},{"title":"18N","offer_id":37024909951139,"sku":"","price":6.0,"currency_code":"USD","in_stock":true},{"title":"20N","offer_id":37024920305827,"sku":"","price":6.0,"currency_code":"USD","in_stock":true},{"title":"All Plans","offer_id":37024947437731,"sku":"","price":22.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0424\/4249\/0019\/products\/JacobsDrawinglogooverlay-v2.png?v=1608648095"},{"product_id":"gear-training-class","title":"Involute Gear Hobbing Process | Onsite \u0026 Hands-On","description":"\u003cdiv class=\"shogun-root\" data-shogun-id=\"61a7e82b155c260107854912\" data-shogun-site-id=\"2a0cb6e5-3184-470b-bf6d-ad2add706d0f\" data-shogun-page-id=\"61a7e82b155c260107854912\" data-shogun-page-version-id=\"61a7e82b155c26010785491a\" data-shogun-platform-type=\"shopify\" data-shogun-variant-id=\"61a7e82b155c26010785491e\" data-shogun-page-type=\"product\" data-shogun-power-up-type=\"\" data-shogun-power-up-id=\"\" data-region=\"main\"\u003e\n\u003cdiv id=\"s-2fc381af-50b2-40bb-a014-86def7058fab\" class=\"shg-c\"\u003e\n\u003cdiv class=\"shg-rich-text shg-theme-text-content\" data-animations=\"\"\u003e\n\u003cp\u003e\u003cem\u003eGet ready to roll up your sleeves and make a gear!\u003c\/em\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eCourse Fundamentals\u003c\/strong\u003e\u003cbr\u003eThis course will cover all of the essentials on how to make a gear: covering blueprints, blanks, machining, and inspection. As an introductory course, we'll start from the ground-level basics on how to calculate material sizes, loading and operating Pfauter gear hobbers, and then measure and inspect our finished gears.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReal Hands-on Machining \u003cbr\u003e\u003c\/strong\u003e\u003cmeta charset=\"utf-8\"\u003eWe prioritize getting out of the classroom and spending time working on the actual machine to make an actual gear. Our shop, located in sunny Ventura, CA, has four Pfauter RS00 gear hobbers lined up and ready for training. We've had decades of experience making gears on these machines and by the end of this course, you can do the same. \u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eManual \u0026amp; CNC Machines\u003c\/strong\u003e\u003cbr\u003eWhether your shop uses CNC or manual machines, the operating principles are the same. We'll cover the fundamentals of change gears, cutting feeds and speeds, and proper setups to ensure in-spec, concentric gears your customers will be proud to receive.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExperience Transfer\u003c\/strong\u003e\u003cbr\u003eWe've taken our years of experience in working with gears to cover basic and complex topics from nomenclature and design, to hobbing and shaping, and small-scale manufacturing. Each participant will receive a reference packet, access to our suite of online tools, and certificate of completion.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eCourse Logistics\u003c\/strong\u003e\u003cbr\u003e\u003cb\u003eDate:   \u003c\/b\u003e\u003cspan\u003eSee Drop-Down at Top of Page\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eTime:\u003c\/strong\u003e 9am-2pm (Lunch and coffee provided!)\u003cbr\u003e\u003cb\u003eLocation:\u003c\/b\u003e\u003cspan\u003e    Evolvent Design machine shop in Ventura, CA\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Evolvent Design","offers":[{"title":"March 12, 2027  Law of Conjugate Action, Gear Geometry, Hobbing Process - Fix your Rolex","offer_id":67667656311008,"sku":null,"price":1000.0,"currency_code":"USD","in_stock":true},{"title":"June 25, 2027 Setup any gear machine, Calculations and Shop Example","offer_id":67667658735840,"sku":null,"price":1000.0,"currency_code":"USD","in_stock":true},{"title":"September 3, 2027 - Wormwheel and Worm Geometry, cutting a wormwheel live!","offer_id":48583211286752,"sku":null,"price":1000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0424\/4249\/0019\/files\/Sequence01.00_06_28_59.Still007.jpg?v=1696014005"},{"product_id":"dividing-head-reference-chart-digital-download","title":"Dividing Head Reference Chart (Digital Download)","description":"\u003cp\u003e\u003cstrong\u003eConvenient, printable .PDF file\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis printable reference chart will show you exactly how many turns and holes it takes to divide your workpiece just how you want. The sheet includes both 40:1 and 90:1 dividing head configurations and ranges from 2 to 100 divisions (although not all are possible with standard index circles)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWorks with Ellis Dividing Head, and any 40:1 or 90:1\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe reference chart is fully compatible with the Ellis Dividing Head, and includes \"turn-and-hole\" combinations for both 40:1 and 90:1 generic dividing heads\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWide range of applicable divisions: 2 to 100\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned with versatility in mind, the charts include combinations from 2 divisions up to 100. Whether it's 6 bolts for a flange or 94 for a specialty application, the  standard index circles have you covered. That said, certain combinations aren't possible with the standard Ellis plates and are shown with a \"---\" in the preview.\u003c\/p\u003e","brand":"Evolvent Design","offers":[{"title":"Default Title","offer_id":42274136916192,"sku":"","price":2.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0424\/4249\/0019\/products\/DividingHeadReferenceChart-Preview-01.png?v=1641330426"},{"product_id":"custom-gear-design","title":"Gear \u0026 Transmission Design Consultation","description":"\u003cp\u003e\u003cstrong\u003eNeed some help getting started?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eInvolute gearing and transmission design depends a lot on the use case.  Get your plans and questions ready and we can give you some guidance.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInitial Consultation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis is for a one-hour consultation where we'll talk through your existing gear design (if you have one); offer recommendations on size, shape, materials, etc; and can provide tips on design for manufacturing; or whatever else best suits your project's needs.\u003c\/p\u003e","brand":"Evolvent Design","offers":[{"title":"Default Title","offer_id":42274520236256,"sku":"","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0424\/4249\/0019\/files\/WormAssembly-Art.jpg?v=1696011726"},{"product_id":"copy-of-dividing-head-reference-chart-digital-download","title":"Gear Identification Reference Chart (Digital Download)","description":"\u003cp\u003e\u003cstrong\u003eConvenient, printable .PDF file\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis printable reference chart will help you identify and reverse engineer your unknown gears and gear racks. The PDF has true-to-scale templates for Diametral Pitch 8-48, Module 0.40-3.00, and Circular Pitch 0.125-0.625\" in both 14.5º and 20º pressure angles, the most common for all modern gears.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWorks with Diametral Pitch, Circular Pitch, and Module gears\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe reference chart is fully compatible with Diametral Pitch, Module, and Circular Pitch gears. Whether your gear was designed with metric (Module) or imperial (Diametral Pitch) units, the templates will align with all the common measures. Simply line your gear up to the template and find the best match!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReference equations, links, and more\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe reference sheet includes the most common equation for reverse engineering a gear, as well as links (QR Codes) to our guides both in YouTube video and blog post to help you through the process. We also supply over 1000 gear cutters to help you make a replacement gear for what you've just identified. Just a note, the preview image is not-to-scale, but the PDF download certainly is!\u003cbr\u003e\u003c\/p\u003e","brand":"Evolvent Design","offers":[{"title":"Default Title","offer_id":42431022006496,"sku":"","price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0424\/4249\/0019\/products\/preview-not-to-scale.png?v=1658417703"},{"product_id":"machine-setup-support","title":"Gear Machine SETUP Change Gears\/Feeds-Speeds\/PRIMES","description":"\u003cp\u003e\u003cstrong\u003e\"There are not many of those guys left\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePfauter, Fellows, Barber-Coleman, Mikron, Gleason, Russian 5E32, Almhults Bruk KF2,  Stanko, Modul and more....  We have used all of these machines and can setup to make full use of their capabilities.  From Change Gears, Reversing Gears, Hob Starts, Differentials, Differential Change Gearing, Hob Head Gearing, ...\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eHobbing machines can all typically make Spur, Worm, Sprocket, Ratchet, Spline, Serration, Roller Chain, and many-many different Timing Belt forms.\u003c\/p\u003e\n\u003cp\u003eEquipped with a differential drive train they can also make helical gears.\u003c\/p\u003e\n\u003cp\u003eEquipped without a differential, but with some math, they can also make (a slightly limited set of ) helical gears.\u003c\/p\u003e\n\u003cp\u003eGear Ratio Calculation\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePrime Gears and Large Tooth Count Gears\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eNeed a large tooth count prime?  Not in your owners manual.  We can calculate the change gears\/feed gears\/differential gears to make it work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWe Setup Machines to MAKE GEARS - 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