Servo Motor Gearbox Selection Guide: Flange Compatibility & Integration

Brevis Responsum: Matching a servo motor to a gearbox requires verifying four interface dimensions: bolt hole pitch circle diameter, hole diameter and distribution, shaft extension diameter, and keyway spec. Wuma Drive's WMRV, WR, WK, WF, WS, and WKM series all include a dedicated Input Square Flange Dimension Comparison Table in the product catalog — download it at wumadrive.com/download to confirm compatibility before ordering.

1. The Integration Problem: Why Servo-to-Gearbox Matching Fails

In industrial automation, servo motors and gearboxes must be mechanically mated — yet they come from different standards worlds. Most gearbox manuals only document IEC standard flanges. Servo motors, by contrast, are offered by dozens of brands each with proprietary square flange dimensions — bolt hole pitch circle, hole diameter, shaft extension, and keyway — that differ by brand and frame size.

The result: engineers must manually cross-reference motor dimension drawings against gearbox input specs for every new project. This is slow, error-prone, and a frequent cause of costly assembly rework.

The fix is structural, not workaround-based: a dimension lookup table that maps motor brand and frame size directly to verified gearbox input dimensions.

2. What Dimensions Actually Matter for Flange Compatibility

When evaluating servo motor–gearbox compatibility, four dimensions determine whether the interface will fit and transmit torque reliably:

3. Input Square Flange Dimension Comparison Table

Wuma Drive has added a comprehensive Input Square Flange Dimension Comparison Table to the product catalogs for all six gearbox series: WMRV (worm), WR (helical), WK (helical-bevel), WF (parallel shaft), WS (helical-worm), and WKM (hypoid) .

Each table entry maps a specific gearbox model to the verified input interface dimensions for mainstream servo motor brands — covering bolt hole PCD, hole diameter and count, shaft extension OD, and keyway spec. No manual cross-referencing against motor drawings is required.

4. Selectio Serierum Reductorium per Applicationem

Electio seriei aptissimae pro applicatione tua servo-motoris ex torque output, directione axis, tolerantia soni, et limitibus spatii pendet. Tabula infra est brevis adiutorium ad emptionem:

Pro quaque serie, catalogus productorum tabulam comparationis dimensionum flangii quadrati input includit. Catalogum adhibere ut omnes datos dimensionum pro serie quaesita accedas.

5. Index emptionis: Antequam ordinare incipias

Use this checklist to validate servo motor–gearbox compatibility before placing an order:

Si quaelibet dimensio extra normas catalogi cadit, contacterite aequipe ingeniaria Wuma Drive pro adaptatore input ad mensuram — supportamus interfacies motorum non-standardes in omnibus seriebus productorum.

Quaestiones Frequentes

Quomodo servo-motorem ad reductorem apto per typum flangae?

Identificare PCD foraminum bulonum flangae quadratae motoris, diametrum foraminum, diametrum exterius axis, et clavulam. Comparare haec ad Tabulam Comparationis Dimensionum Flangae Quadratae Input in Catalogo Wuma Drive . Nulla comparatio manu facta diagrammatum necessaria est.

Quae series Wuma Drive supportant input servo-motorum flangae quadratae?

Omnes sex series — WMRV, WR, WK, WF, WS, et WKM — suadent quadratum flangium motoris input cum tabulis dimensionum verificatis in officiali catalogo productorum.

Cur specificatio clavicularis est communissima occulta incompatibilitas?

Axis et foramen fortasse congruunt physice, sed latitudo aut profunditas clavicularis 0.1 mm abnormis causat fretting sub onere cyclico. Semper verificare specificationem clavicularis — latitudinem, profunditatem, et longitudinem — non solum diametrum externam axis.

Ubi catalogum productorum Wuma Drive downloadare possum?

Catalogus plenus, includens omnes Tabulas Comparationis Dimensionum Flangii Quadrati Input, gratis adhibetur apud wumadrive.com/download .

Potestne Wuma Drive tractare interfaces motorum non-standard?

Ita. Pro interfacebus extra normam catalogi, nostrum turma ingeniorum solutiones adaptatas pro input adapteribus praebet. Nos contace ut viabilitas confirmetur antequam ordinatur.