{"id":1434,"date":"2026-09-11T08:14:52","date_gmt":"2026-09-11T08:14:52","guid":{"rendered":"https:\/\/injection-molded-parts.com\/product\/plastic-internal-ring-gears\/"},"modified":"2026-09-14T07:54:47","modified_gmt":"2026-09-14T07:54:47","slug":"plastic-internal-ring-gears","status":"publish","type":"product","link":"https:\/\/injection-molded-parts.com\/no\/produkt\/plastic-internal-ring-gears\/","title":{"rendered":"Plastic Internal Ring Gears"},"content":{"rendered":"
\n

Internal-tooth ring gear \/ annulus<\/h2>\n

Internal ring gears are used in planetary sets and compact reducers. Tooth geometry, pitch-circle concentricity, wall stiffness and the mounting datum work together to control the mesh.<\/p>\n

Internal teeth can complicate tooling and inspection access. For machined rings, clamping strategy matters because the ring may spring when released. For molded rings, gate balance and wall thickness affect roundness. The drawing should state which outer or face datum represents the installed condition.<\/p>\n<\/section>\n

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How to read the product image<\/h2>\n

The main image is a representative technical redraw because the available raster source could not be enlarged without losing tooth-edge definition. It is used to communicate the product family and mechanical topology only. Tooth count, pitch\/module, bore, hub, chain interface, material and all production dimensions are controlled by the released drawing.<\/p>\n<\/section>\n

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Geometry and interface inputs for Plastic Internal Ring Gears<\/h2>\n
    \n
  • Internal tooth count, module\/DP and pressure angle<\/li>\n
  • Mating pinion or planet geometry<\/li>\n
  • Bore\/outer datum and tooth concentricity<\/li>\n
  • Wall thickness, flange and mounting features<\/li>\n
  • Runout and backlash targets<\/li>\n<\/ul>\n

    Geometrireferanse:<\/strong> Internal ring gear \/ annulus<\/p>\n<\/section>\n

    \n

    Valg av produksjonsrute<\/h2>\n

    Large ring gears may be machined from engineering plastic stock while smaller\/high-volume geometries may be considered for molding. Geometry and material availability decide the practical route.<\/p>\n

    Referanse for pakket prosess:<\/strong> Machined configuration documented; molding route requires project confirmation<\/p>\n

    Materialretning:<\/strong> POM-C and nylon options depend on the selected configuration<\/p>\n<\/section>\n

    \"Plastic<\/figure>\n
    \n

    Applikasjonsspesifikk designgjennomgang<\/h2>\n

    Thin rings can distort during machining, molding or clamping. A weak datum scheme can also make tooth runout difficult to interpret.<\/p>\n

    Typisk bruk:<\/strong> Planetary reducers, indexing mechanisms and enclosed transmission assemblies. The final material and tolerance plan should be checked against the load path, mating components and environment in that assembly.<\/p>\n<\/section>\n

    \n

    F\u00f8rste pr\u00f8ve og inspeksjonsfokus<\/h2>\n

    Measure the ring in a condition that represents assembly support. Confirm tooth-related runout and key mounting dimensions from the same functional datum structure.<\/p>\n

    Tilbudsvedtak:<\/strong> Concentricity, tooth count, module, mating pinion or planet set, bore, wall thickness and mounting interface control the fit.<\/p>\n<\/section>\n

    \"Plastic<\/figure>\n
    \n

    What to send for a Plastic Internal Ring Gears quotation<\/h2>\n

    Send den nyeste tegningen eller CAD-modellen sammen med produksjonsmengde og bruksforholdene som p\u00e5virker passform, slitasje eller dimensjonsstabilitet. Hvis delen erstatter en eksisterende komponent, identifiser funksjonene som m\u00e5 forbli utskiftbare og eventuelle kjente feltproblemer som den nye delen er ment \u00e5 l\u00f8se.<\/p>\n

      \n
    • Kontrollert tegningsrevisjon og 3D-modell n\u00e5r tilgjengelig<\/li>\n
    • Monteringsdel eller transmisjonsgeometri<\/li>\n
    • Materialkrav eller servicemilj\u00f8<\/li>\n
    • Pr\u00f8vemengde, produksjonsparti og forventet \u00e5rlig ettersp\u00f8rsel<\/li>\n
    • Kritiske dimensjoner og funksjonell akseptmetode<\/li>\n<\/ul>\n<\/section>\n
      \n

      Ingeni\u00f8rspesifikasjon for frysing f\u00f8r produksjon<\/h2>\n

      En produksjonstegning skal konvertere applikasjonen til m\u00e5lbare input. Tabellen nedenfor er minimumskravet for gjennomgang for denne produktfamilien. Legg til eventuelle monteringsspesifikke nullpunkter, finish- eller akseptkrav som endrer funksjonen.<\/p>\n

      \n\n\n\n\n\n\n\n\n\n\n\n\n
      Definisjon<\/th>\nHva leverand\u00f8ren trenger<\/th>\n<\/tr>\n<\/thead>\n
      Internal tooth count<\/td>\nVis verdien, toleransen eller funksjonskravet p\u00e5 den siste tegningen.<\/td>\n<\/tr>\n
      Module or DP<\/td>\nVis verdien, toleransen eller funksjonskravet p\u00e5 den siste tegningen.<\/td>\n<\/tr>\n
      Pressure angle<\/td>\nVis verdien, toleransen eller funksjonskravet p\u00e5 den siste tegningen.<\/td>\n<\/tr>\n
      Mating pinion or planet set<\/td>\nVis verdien, toleransen eller funksjonskravet p\u00e5 den siste tegningen.<\/td>\n<\/tr>\n
      Ring OD \/ wall section<\/td>\nVis verdien, toleransen eller funksjonskravet p\u00e5 den siste tegningen.<\/td>\n<\/tr>\n
      Mounting datum<\/td>\nVis verdien, toleransen eller funksjonskravet p\u00e5 den siste tegningen.<\/td>\n<\/tr>\n
      Tooth-to-mount runout<\/td>\nVis verdien, toleransen eller funksjonskravet p\u00e5 den siste tegningen.<\/td>\n<\/tr>\n
      Backlash and carrier relationship<\/td>\nVis verdien, toleransen eller funksjonskravet p\u00e5 den siste tegningen.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n
      \n

      Feilmoduser som skal forhindres under designgjennomgang<\/h2>\n

      Common risks for this geometry include ring distortion during clamping; tooth-to-mount eccentricity; unequal planet loading when carrier centers do not match the annulus. These are best addressed before the first sample by reviewing the complete mating interface, not by tightening every drawing tolerance.<\/p>\n

      Bruk toleranser selektivt. Dimensjoner som etablerer tanninngrep, kjedeinngrep, akseltilpasning eller monteringsnullpunkt fortjener eksplisitte m\u00e5lemetoder; ikke-kritiske st\u00f8pte overflater kan ofte bruke en mer praktisk generell toleranse.<\/p>\n<\/section>\n

      \n

      F\u00f8rste artikkel og produksjonsgodkjenning<\/h2>\n

      Avtal inspeksjonsforhold, referanser og m\u00e5lemetode f\u00f8r pr\u00f8vetaking. Den f\u00f8rste artikkelrapporten b\u00f8r dekke tegningens CTQ-er og deretter kobles til en funksjonskontroll i den faktiske monteringen eller en representativ festeanordning. For gir og tannhjul kan dette inkludere inngrep i inngrep eller kjede, kast og boringsforhold; for spesialst\u00f8pte deler kan det inkludere passform, feste og belastede funksjoner.<\/p>\n

      Produksjonskontroll b\u00f8r f\u00f8lge de samme CTQ-ene i stedet for \u00e5 erstatte dem med en lang liste med lettm\u00e5lbare kosmetiske dimensjoner. Hvis et bor, en tann, en innsats eller en monteringsflate sekund\u00e6rmaskineres, m\u00e5 det tydeliggj\u00f8res hvilken operasjon som etablerer det endelige nullpunktet.<\/p>\n<\/section>\n

      \n

      Engineering decision brief for Plastic Internal Ring Gears<\/h2>\n
      \n
      01<\/span><\/p>\n

      Define the geometry<\/h3>\n

      Internal ring gear \/ annulus The quotation should use the drawing revision and mating interface as the controlling definition rather than an image alone.<\/p>\n<\/article>\n

      02<\/span><\/p>\n

      Choose material by duty<\/h3>\n

      POM-C and nylon options depend on the selected configuration Material selection should be checked against load, speed, temperature, moisture or chemicals, lubrication and the required dimensional condition.<\/p>\n<\/article>\n

      03<\/span><\/p>\n

      Freeze the production route<\/h3>\n

      Machined configuration documented; molding route requires project confirmation The route should be fixed only after quantity, tolerances, surface requirements and change risk are understood.<\/p>\n<\/article>\n

      04<\/span><\/p>\n

      Agree acceptance<\/h3>\n

      Concentricity, tooth count, module, mating pinion or planet set, bore, wall thickness and mounting interface control the fit. First-article checks should therefore focus on the dimensions and functional interfaces that control the assembly.<\/p>\n<\/article>\n<\/div>\n

      Typical application context:<\/strong> Planetary sets, compact reducers, indexing mechanisms and enclosed transmissions where an internal tooth form is needed.<\/p>\n<\/section>\n

      \n

      Plastic Internal Ring Gears FAQ<\/h2>\n
      \n
      \n

      Hva b\u00f8r jeg sende for tilbud?<\/h3>\n

      Send den nyeste 2D-tegningen og, der det er tilgjengelig, en 3D-modell. Legg til informasjon om motst\u00e5ende deler, bestillingsmengde, serviceforhold og funksjonene som styrer passform eller bevegelse. En pr\u00f8ve er nyttig for reservedeler med usikker eldre geometri.<\/p>\n<\/article>\n

      \n

      Hvordan b\u00f8r materialet spesifiseres?<\/h3>\n

      For POM- eller nylonprosjekter er ikke materialfamilien alene nok. Bekreft den faktiske kvaliteten n\u00e5r det er obligatorisk, og oppgi fuktighet, temperatur, sm\u00f8remiddel og kontaktmateriale slik at dimensjons- og slitasjeegenskaper kan gjennomg\u00e5s.<\/p>\n<\/article>\n

      \n

      Hvordan blir den f\u00f8rste pr\u00f8ven godkjent?<\/h3>\n

      Definer CTQ-er, inspeksjonsstatus og funksjonstest f\u00f8r pr\u00f8ven produseres. Godkjenningen b\u00f8r bekrefte b\u00e5de m\u00e5lbar geometri og delens oppf\u00f8rsel i det tiltenkte grensesnittet.<\/p>\n<\/article>\n<\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"

      Plastic internal ring gears for compact coaxial mechanisms, with internal tooth form, concentricity, mating pinion or planet geometry, wall section and molded distortion controlled together.<\/p>","protected":false},"featured_media":1324,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_cat":[2581],"product_tag":[],"class_list":["post-1434","product","type-product","status-publish","has-post-thumbnail","product_cat-plastic-internal-gears","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/injection-molded-parts.com\/no\/wp-json\/wp\/v2\/product\/1434","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/injection-molded-parts.com\/no\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/injection-molded-parts.com\/no\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/injection-molded-parts.com\/no\/wp-json\/wp\/v2\/comments?post=1434"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/injection-molded-parts.com\/no\/wp-json\/wp\/v2\/media\/1324"}],"wp:attachment":[{"href":"https:\/\/injection-molded-parts.com\/no\/wp-json\/wp\/v2\/media?parent=1434"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/injection-molded-parts.com\/no\/wp-json\/wp\/v2\/product_cat?post=1434"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/injection-molded-parts.com\/no\/wp-json\/wp\/v2\/product_tag?post=1434"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}