Skip to content
OEM precision gears · Zhongbang GearUpload drawingsUnited States flagUnited States
CUSTOM OEM GEAR COMPONENT

Custom Planetary Gear Components

Custom sun gears, planet gears, ring gears, carriers and spline sleeves for compact reducers. Send the individual drawings and quantities per assembly to quote the parts you need.

Made to drawingOEM productionInspection planning
Planetary reducer planet gear
Planetary reducer planet gearKERVELD / ZHONGBANG
PRODUCT OVERVIEW

Planetary Gear Components for your transmission layout

A planetary stage combines a central sun gear, planet gears carried around it and an internal ring. The arrangement can deliver compact speed reduction, but the behavior of one component depends on the others. Part drawings should therefore be connected to an assembly reference.

The KERVELD product range includes small and multi-stage planet gears, reducer sun gears, ring gears, planet carriers and connecting sleeves. We supply the specified components; complete reducer performance is defined and validated at assembly level.

Part types and features

  • Sun and planet gears
    External gears identified by stage and tooth definition.
  • Rings and spline sleeves
    Internal tooth and torque-transfer interfaces.
  • Carriers and connected parts
    Planet-location features and mating assembly components.
TECHNICAL DEFINITION

Specifications to include in your drawing

Include these details with your drawing so we can assess manufacturing, inspection and quotation requirements.

Planetary Gear Components specification checklist
Review itemWhat to define
Assembly mapSun, planet, ring and carrier identities, revisions and supply scope.
Gear relationshipsTooth counts, module, ratio reference and mating tooth data.
Carrier featuresPlanet positions, pin interfaces, mounting datums and bearing fits.
Matched requirementsPart marking, pairing or assembly checks specified by the buyer.
Production definitionQuantity per assembly, material, treatment and required reports.

Share your dimensions, material, accuracy requirements and order quantity. We confirm the manufacturing options and delivery requirements for your specific part.

MANUFACTURING & INSPECTION

Manufacturing and inspection for this part

A component-set inquiry connects gear cutting and grinding with the machining of carrier and shaft interfaces. The process and measurement plan must reflect the assembly datums, especially where planet positions or ring location influence the finished stage. Include separate drawings for every part in the supply scope.

View inspection and quality documentation
01

Mating tooth geometry

Consistency of sun, planet and ring definitions.

02

Carrier interfaces

Pin location and critical mounting datums.

03

Set identification

Part numbers, drawing revisions and any agreed matching records.

PRODUCT QUESTIONS

Before you send the drawing

Can I enquire about several parts as one project?

Yes. Include a bill of materials and identify quantities per assembly so the quoted scope is clear.

Can I request a complete planetary reducer?

Our range here covers planetary parts. If you need a complete reducer or assembly testing, include those requirements so we can confirm the scope before quotation.

How should matched components be identified?

State the mating part numbers, revisions, marking requirements and any agreed assembly-level checks.

SEND YOUR DRAWING

Request a quotation for planetary gear components

Share your drawing, quantity and application. We will review the manufacturing and inspection requirements, then contact you to clarify any details needed for a quotation.

Your contact details
Your part and quantity

Product: Planetary Gear Components

Add technical details (optional)

Only your name, business email, company and consent are required. If a drawing is not ready, tell us what you need.

Get a quote