Kunststoff-Innenzahnräder

Internal ring gears for compact reducers and mechanismsConcentricity and the relationship between the internal teeth, bore and mounting datum are central to a usable ring gear.The teeth of an internal ring gear are tied to an outer ring or housing interface. Any distortion of that ring changes the relationship between the internal pitch circle and the mechanism that supports it.What to define before opening an RFQInternal tooth count and module/DPMating pinion or planet geometryPitch/bore concentricityWall section and mounting featuresRunout and backlash acceptanceSpecify whether the ring is free-standing, clamped or located in a housing during service. Inspection support should resemble the functional condition when a thin ring can change shape under its own stress or fixture pressure.How to use this categoryThe product cards below are linked to the live WooCommerce catalogue for Plastic Internal Gears. Open the closest geometry first, then compare its RFQ guidance against your drawing. If no listed product matches the interface, use the custom component route rather than forcing the part into the wrong family.Selection data that separates a usable quote from a generic quoteInputRequired definitionInternal tooth countDefine on the drawing or project brief before supplier review.Module or DPDefine on the drawing or project brief before supplier review.Pressure angleDefine on the drawing or project brief before supplier review.Mating pinion / planet dataDefine on the drawing or project brief before supplier review.Ring outside diameter and wallDefine on the drawing or project brief before supplier review.Mounting datumDefine on the drawing or project brief before supplier review.Runout / concentricity requirementDefine on the drawing or project brief before supplier review.Backlash and carrier geometryDefine on the drawing or project brief before supplier review.Internal ring gears are usually constrained by the surrounding carrier or housing. Thin-ring deformation and tooth-to-mount concentricity should be reviewed together.Engineering review before releaseA planetary annulus should be specified as part of the gear set. Sun, planet and ring tooth counts, carrier locations and the bearing datums establish the operating centers.Where a material family is not yet fixed, provide the operating temperature, moisture or chemical exposure, mating material, lubrication condition and expected production volume. Those inputs let the process and resin be reviewed together instead of treating the polymer name as the complete design.RFQ and first-sample pathStart with the closest product below, then send the controlled drawing, mating-part information and the dimensions that are critical to function. For a replacement component, include a sample or measured interface data if the original tooth or chain standard is uncertain.Compare materialsCustom engineeringSend an RFQ