Strukturierte Komponentendaten · 2026

Gear Shaft

A precision-machined rotating shaft with integrated gear teeth that transmits torque and rotational motion in mechanical systems.

Technische Definition und Einsatzkontext
Ein typisches Gear Shaft wird in Maschinen- und Anlagenbau nach Material, Toleranz, Montage- und Anwendungskompatibilität sowie Ausfallrisiko bewertet.

A gear shaft is a critical mechanical component that combines the functions of a shaft and a gear into a single integrated unit. It serves as a rotating element that transmits torque and power between mechanical systems while simultaneously providing gear meshing functionality. The shaft portion provides structural support and rotational capability, while the gear teeth (which can be spur, helical, bevel, or worm type depending on application) engage with mating gears to change speed, torque, or direction of rotation. Gear shafts are engineered to withstand torsional, bending, and shear stresses while maintaining precise alignment and minimal deflection under load.

Komponentenspezifikationen

Definition
A gear shaft is a critical mechanical component that combines the functions of a shaft and a gear into a single integrated unit. It serves as a rotating element that transmits torque and power between mechanical systems while simultaneously providing gear meshing functionality. The shaft portion provides structural support and rotational capability, while the gear teeth (which can be spur, helical, bevel, or worm type depending on application) engage with mating gears to change speed, torque, or direction of rotation. Gear shafts are engineered to withstand torsional, bending, and shear stresses while maintaining precise alignment and minimal deflection under load.
Funktionsprinzip
The gear shaft operates on the principle of mechanical power transmission through gear engagement. When torque is applied to the shaft, it rotates and transfers this rotational force through the gear teeth to a mating gear. The gear ratio between the shaft gear and mating gear determines the speed and torque conversion. The shaft portion provides the structural backbone that maintains alignment, supports radial and axial loads, and ensures proper gear meshing through precise dimensional tolerances and surface finishes.
Materialien
Typically manufactured from alloy steels (AISI 414043408620)carbon steels (10454140)or case-hardened steels. High-performance applications may use stainless steels (17-4PH316)titanium alloysor specialized composites. Surface treatments include carburizingnitridinginduction hardeningor coating with DLC (Diamond-Like Carbon) for wear resistance.
Length
50-3000 mm
Diameter
10-500 mm
Gear Module
1-10 mm
Core Hardness
HRC 28-40
Tooth Profile
Involute (standard)
Traglast
20° (standard), 14.5° or 25° (special)
Surface Finish
Ra 0.4-1.6 μm
Runout Tolerance
0.01-0.03 mm
Surface Hardness
HRC 45-62
Straightness Tolerance
0.01-0.05 mm/m
Normen
ISO 1328ISO 6336DIN 3960DIN 3961AGMA 2001AGMA 2015

Branchentaxonomie & Aliasse

Gebräuchliche Handelsnamen, technische Kennungen und Suchbegriffe für Gear Shaft.

Uebergeordnete Produkte

Diese Komponente wird in den folgenden Industrieprodukten eingesetzt.

FMEA · Fehleranalyse

Ursache → Fehlermodus → Engineering-Massnahme

Insufficient material strength or improper heat treatment->Tooth breakage or shaft fracture under load->Use appropriate alloy steel with proper heat treatment (carburizing, quenching, tempering). Implement non-destructive testing (magnetic particle, ultrasonic) during manufacturing.
Inadequate lubrication or contaminated lubricant->Accelerated wear, pitting, or scoring of gear teeth->Implement proper lubrication system with filtration. Use appropriate viscosity lubricants with anti-wear additives. Establish regular maintenance schedules.
Misalignment during installation or operation->Uneven load distribution leading to premature fatigue failure->Use precision alignment tools during installation. Implement flexible couplings to accommodate minor misalignment. Regular alignment checks during maintenance.
Excessive torsional vibration or shock loads->Fatigue cracks initiating at stress concentrators (keyways, fillets)->Design with adequate fillet radii. Use shot peening to induce compressive surface stresses. Implement torsional dampers or flexible couplings.

Industrielles Ökosystem und technische Bewertung

0
Tooth breakage from overload
1
Shaft bending or torsion failure
2
Wear and pitting from inadequate lubrication
3
Misalignment causing premature failure
4
Fatigue failure from cyclic loading
5
Corrosion in harsh environments

Konformität und Prüfung

tolerance
ISO 1328-1:2013 for gear accuracy grades (typically Grade 6-8 for industrial applications). DIN 3962 for tooth thickness tolerances. Runout tolerance typically 0.01-0.03 mm depending on shaft length and diameter.
test method
Coordinate measuring machines (CMM) for dimensional verification. Gear testers for tooth profile and lead accuracy. Hardness testing (Rockwell C) for surface and core hardness. Non-destructive testing (magnetic particle, ultrasonic) for defect detection. Dynamic balancing to ISO 1940 G2.5 or better.

Hersteller für diese Komponente

Relevante Herstellerprofile aus der CNFX-Komponentenfähigkeitstabelle.

Die Herstellerliste dient der Vorrecherche und Einordnung von Fertigungskapazitäten. Sie ist keine Zertifizierung, kein Ranking und keine Transaktionsgarantie.

Beispielhafte Bewertungskriterien aus Einkaufsprozessen

Keine Kundenbewertung und keine Echtzeitdaten. Die Werte zeigen typische Prüfkriterien in RFQ- und Lieferantenbewertungsprozessen.

Technische Dokumentation
4/5
Fertigungsfähigkeit
4/5
Prüfbarkeit
5/5
Lieferantentransparenz
3/5

Die Kriterien dienen als Orientierung für technische Einkaufsprüfungen. Konkrete Kunden, Länder, Bewertungsdaten oder Live-Nachfragen werden nur angezeigt, wenn entsprechende belastbare Daten vorliegen.

Verwandte Komponenten

Haeufige Fragen

What is the difference between a gear shaft and a separate shaft and gear assembly?

A gear shaft integrates the gear teeth directly onto the shaft body, eliminating the need for separate components and assembly. This provides better concentricity, reduced assembly time, and improved reliability compared to press-fit or keyed gear assemblies. However, it requires more complex manufacturing and makes replacement more difficult.

How do I select the right material for a gear shaft application?

Material selection depends on load requirements, operating environment, and cost considerations. Alloy steels (4140, 4340) offer the best balance of strength and toughness for most industrial applications. For corrosive environments, consider stainless steels. High-speed applications may require specialized alloys with better heat resistance. Always consider surface hardening treatments to improve wear resistance.

What are the most common failure modes for gear shafts?

Common failures include tooth pitting and spalling from surface fatigue, bending fatigue leading to shaft fracture, torsional shear failure, wear from inadequate lubrication, and misalignment-induced failures. Proper design, material selection, heat treatment, lubrication, and alignment are critical for preventing these failures.

Kann ich Hersteller direkt kontaktieren?

CNFX ist ein offenes Verzeichnis, keine Handelsplattform und kein Beschaffungsagent. Herstellerprofile und Formulare helfen bei der Vorbereitung des direkten Kontakts.

CNFX Industrial Component Index · Maschinen- und Anlagenbau

Datenbasis

CNFX-Herstellerprofile, technische Klassifikation, öffentlich verfügbare Produktinformationen und fortlaufende Plausibilitätsprüfung.

Vorläufige technische Einordnung
Diese Seite dient der strukturierten Vorbereitung von Recherche, RFQ und Lieferantenbewertung. Sie ersetzt keine Lieferantenqualifizierung, keine Normenprüfung und keine technische Freigabe durch den Käufer.

Beschaffungsinformationen anfragen für Gear Shaft

Informationen zu Einsatzbereich, Spezifikationsgrenzen, Lieferantentypen und RFQ-Vorbereitung anfragen.

Vielen Dank. Ihre Anfrage wurde gesendet.
Vielen Dank. Ihre Anfrage wurde empfangen.

Fertigung für Gear Shaft?

Herstellerprofile mit passender Bearbeitungs- oder Montagefähigkeit vergleichen.

Herstellerprofil anlegen Kontakt
Vorherige Komponente
齿轮组
Naechste Komponente
齿轮齿
URN:CNFX:ME:UNIT:GEAR_SHAFT