{"id":1089,"date":"2026-10-09T02:49:45","date_gmt":"2026-10-09T02:49:45","guid":{"rendered":"https:\/\/sun-gears.net\/prototype-vs-production-sun-gears\/"},"modified":"2026-10-09T06:54:03","modified_gmt":"2026-10-09T06:54:03","slug":"prototype-vs-production-sun-gears","status":"publish","type":"post","link":"https:\/\/sun-gears.net\/it\/prototype-vs-production-sun-gears\/","title":{"rendered":"Prototype vs. Production Sun Gears: What Changes in the RFQ"},"content":{"rendered":"<section class=\"sg-hero\">\n<div class=\"sg-container sg-hero-grid\">\n<div>\n<div class=\"sg-eyebrow\">KNOWLEDGE<\/div>\n<h1>Prototype vs. Production Sun Gears: What Changes in the RFQ<\/h1>\n<p class=\"sg-lead\">Prototype and series sun gears should share one approved geometry, but tooling, inspection strategy and process economics can change as volume grows.<\/p>\n<div class=\"sg-pills\"><span>Technical Guide<\/span><span>Sun Gear<\/span><span>Planetary Gear<\/span><\/div>\n<div class=\"sg-actions\"><a class=\"sg-btn\" href=\"#rfq-form\">Richiedi un preventivo<\/a><a class=\"sg-btn sg-btn--ghost\" href=\"https:\/\/sun-gears.net\/it\/knowledge\/\">Knowledge Center<\/a><\/div>\n<\/div>\n<figure><img decoding=\"async\" src=\"https:\/\/sun-gears.net\/wp-content\/uploads\/2026\/10\/article-manufacturing.webp\" alt=\"Prototype vs. Production Sun Gears: What Changes in the RFQ\" fetchpriority=\"high\"><\/figure>\n<\/div>\n<\/section>\n<section class=\"sg-section\">\n<div class=\"sg-container\">\n<div class=\"sg-section-head\">\n<h2>Why this topic changes the sun gear decision<\/h2>\n<\/div>\n<div class=\"sg-prose\">\n<p>Procurement is easier when prototype versus series supply is defined in a controlled record rather than scattered through emails. Geometry, interface, process, duty, acceptance and quantity should be distinguishable.<\/p>\n<p>Prototype and repeat production can use different tooling or sampling strategies while keeping the same approved geometry.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"sg-section sg-section--soft\">\n<div class=\"sg-container\">\n<div class=\"sg-section-head\">\n<h2>Practical design and replacement implications<\/h2>\n<\/div>\n<div class=\"sg-split sg-split--flip\">\n<div class=\"sg-prose\">\n<p>State which documents are required with shipment and whether a first-article or pilot approval is needed. Add destination and Incoterm so the commercial scope is clear.<\/p>\n<p>For replacement sourcing, machine references support identification, but measured gear and interface data remain the production control.<\/p>\n<\/div>\n<figure class=\"sg-figure\"><img decoding=\"async\" src=\"https:\/\/sun-gears.net\/wp-content\/uploads\/2026\/10\/article-manufacturing.webp\" alt=\"Practical design and replacement implications\" loading=\"lazy\"><\/figure>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"sg-section\">\n<div class=\"sg-container\">\n<div class=\"sg-section-head\">\n<h2>What to control on the RFQ or drawing<\/h2>\n<\/div>\n<div class=\"sg-table-wrap table-scroll\">\n<table class=\"sg-table\">\n<thead>\n<tr>\n<th>Articolo<\/th>\n<th>What to define<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Tooth system<\/td>\n<td>Tooth count, module\/DP, pressure angle, helix and profile shift\/modification when applicable.<\/td>\n<\/tr>\n<tr>\n<td>Planetary context<\/td>\n<td>Mating planet\/ring data and planet count when available.<\/td>\n<\/tr>\n<tr>\n<td>Center interface<\/td>\n<td>Bore, keyway, spline, hollow center or integrated shaft plus functional datums.<\/td>\n<\/tr>\n<tr>\n<td>Dovere<\/td>\n<td>Rated\/peak torque, speed, reversals\/shock, life, lubrication and environment.<\/td>\n<\/tr>\n<tr>\n<td>Processo<\/td>\n<td>Controlled material, heat treatment, finishing and coating requirements.<\/td>\n<\/tr>\n<tr>\n<td>Acceptance<\/td>\n<td>Tooth\/runout\/dimensional inspection and required documentation.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"sg-section sg-section--soft\">\n<div class=\"sg-container\">\n<div class=\"sg-section-head\">\n<h2>Domande frequenti<\/h2>\n<\/div>\n<div class=\"sg-accordion\">\n<details>\n<summary>Can one loose sun gear answer every design question?<\/summary>\n<p>Usually not. Mating gear data and the center interface provide important cross-checks.<\/p>\n<\/details>\n<details>\n<summary>Should material or tolerance be copied from a similar part?<\/summary>\n<p>Only when the controlled design allows it. Similar appearance is not proof of the same duty or specification.<\/p>\n<\/details>\n<details>\n<summary>What is the fastest way to get a useful quote?<\/summary>\n<p>Send the latest drawing or measured tooth\/interface data, mating component information, duty, acceptance needs and quantity.<\/p>\n<\/details>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"sg-section sg-cta\">\n<div class=\"sg-container sg-cta-grid\">\n<div>\n<div class=\"sg-eyebrow\">Richiesta di preventivo<\/div>\n<h2>Richiedi un preventivo \/ Invia una richiesta di offerta<\/h2>\n<p>Send the drawing, mating gear information, center interface, duty, inspection needs and quantity. The article is selection guidance; the approved drawing controls production.<\/p>\n<p><a class=\"sg-btn\" href=\"#rfq-form\">Invia richiesta di preventivo<\/a><\/div>\n<div><div class=\"sg-order-terms\"><div class=\"sg-order-term\"><strong>MOQ<\/strong><span>Flessibilit\u00e0 in base alla tipologia di prodotto e al valore totale dell'ordine.<\/span><\/div><div class=\"sg-order-term\"><strong>Campioni<\/strong><span>I nuovi clienti possono richiedere da 1 a 5 pezzi, a condizione che il componente e il processo siano idonei.<\/span><\/div><div class=\"sg-order-term\"><strong>Ordini misti<\/strong><span>\u00c8 possibile combinare diversi modelli di ingranaggi solari o componenti planetari correlati quando il valore totale dell'ordine \u00e8 pari o superiore a circa 1.500 USD.<\/span><\/div><div class=\"sg-order-term\"><strong>Piccoli ordini<\/strong><span>Ordini da 1 a 2 pezzi sono negoziabili, con un costo unitario generalmente superiore.<\/span><\/div><div class=\"sg-order-term\"><strong>Consegna<\/strong><span>Componenti standard: 10-25 giorni lavorativi. Componenti personalizzati: 20-45 giorni lavorativi. Attrezzature per progetti: 45-120 giorni lavorativi.<\/span><\/div><div class=\"sg-order-term\"><strong>termini commerciali<\/strong><span>I termini EXW, FOB, CIF e DAP sono generalmente supportati. FCA, CFR, CPT, CIP e DDP possono essere discussi caso per caso.<\/span><\/div><\/div><\/div>\n<\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>Prototype and series sun gears should share one approved geometry, but tooling, inspection strategy and process economics can change as volume grows.<\/p>","protected":false},"author":1,"featured_media":1095,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1089","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sun-gears"],"_links":{"self":[{"href":"https:\/\/sun-gears.net\/it\/wp-json\/wp\/v2\/posts\/1089","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sun-gears.net\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sun-gears.net\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sun-gears.net\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sun-gears.net\/it\/wp-json\/wp\/v2\/comments?post=1089"}],"version-history":[{"count":1,"href":"https:\/\/sun-gears.net\/it\/wp-json\/wp\/v2\/posts\/1089\/revisions"}],"predecessor-version":[{"id":1135,"href":"https:\/\/sun-gears.net\/it\/wp-json\/wp\/v2\/posts\/1089\/revisions\/1135"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sun-gears.net\/it\/wp-json\/wp\/v2\/media\/1095"}],"wp:attachment":[{"href":"https:\/\/sun-gears.net\/it\/wp-json\/wp\/v2\/media?parent=1089"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sun-gears.net\/it\/wp-json\/wp\/v2\/categories?post=1089"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sun-gears.net\/it\/wp-json\/wp\/v2\/tags?post=1089"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}