Réducteur de moteur de grue trois en un de la série F

Réducteur de moteur de grue Description du produit

The F Series Three-in-One Crane Motor Reducer is an all-in-one drive unit that integrates motor, reducer, and braking system into a single compact housing. This design not only saves space, but also reduces the amount of installation and maintenance work. It is specifically built for pont roulant et hoist applications. Designed for IP55/IP65 protection and built with Class F or Class H insulation, it delivers reliable, continuous duty performance in demanding industrial environments, from hot metal workshops to dustyfoundries. The three-in-one design eliminates external coupling, simplifies installation, and reduces the footprint of the entire drive system.

The reducer is one of the core components of the device. Three-in-one crane motor reducer adopts gear transmission method and provides a variety of speed ratio options to meet the needs of different application scenarios. The gear is precision-machined and heat-treated to ensure high efficiency and long service life. Its structure is compact, low noise and smooth operation. Brake is usually electromagnetic brake or hydraulic brake that can quickly brake when power is cut off, ensuring the safety and reliability of the equipment.

Réducteur moteur trois-en-un Caractéristiques principales

• Conception intégrée : Les trois sont hautement intégrés, ce qui permet d'économiser l'espace d'installation, de réduire le nombre de connecteurs externes et de réduire les points de défaillance.
• Transmission à haut rendement : Précision élevée des engrenages (précision à 6 niveaux), efficacité mécanique pouvant atteindre plus de 95%, et économies d'énergie significatives.
• Capacité de charge élevée : Les engrenages en acier allié et les roulements renforcés conviennent aux démarrages et arrêts fréquents et aux charges lourdes.
• Sûre et fiable : Réponse rapide du frein (niveau de la milliseconde), fonctions standard de protection contre la surchauffe et la surcharge.
• Configuration modulaire : Le réducteur de moteur de grue trois en un peut s'adapter à différentes puissances (telles que 0,5kW~200kW) et à différents rapports de vitesse (5~1000), et permet l'installation de brides ou d'arbres. La maintenance est plus facile et les principaux composants peuvent être remplacés séparément, ce qui réduit les temps d'arrêt.

Principale application des réducteurs de moteurs de grue

• Équipement de levage: ponts roulants, grues à portique, palans électriques, etc.
• Manutention des matériaux: treuil électrique, tapis roulant, Plateforme élévatrice.
• Machines industrielles : les domaines de l'industrie lourde tels que la métallurgie, les ports et l'exploitation minière.

Scope of Application in Conjuction with These Lifting Euipment

• Overhead Cranes — Main hoist drives, cross-travel drives, long-travel drives
• Electric Hoists — Chain hoists and wire rope hoists across all capacity ranges
• Gantry Cranes — Portal and semi-portal crane travel mechanisms
• Custom Lifting Equipment — Winches, winders, cable reels, and special hoists
• Metallurgical Industry — Continuous casting cranes, slab handling, ladle cranes
• Shipyards — Hull fabrication cranes, outfitting cranes, Goliath cranes
• Automated Material Handling — Conveyor transfers, trolley drives, indexing systems

Paramètres techniques

Crane Motor Reducer Item	Plage de paramètres
Puissance nominale	0,5kW ~ 200kW
Couple de sortie	100N-m ~ 50kN-m
Taux de réduction	5 ~ 1000
Coefficient d'utilisation	S1 (continu) ou S4 (cycle intermittent)
Niveau de protection	IP55/IP65
Niveau d'isolation	Classe F/Classe H

Fabricant professionnel chinois de réducteurs de moteurs de grues

Exposition de grues Dafang

Certificat de grue Dafang

FAQs About Dafang Three-in-one Crane Motor Reducer

Q1: What does "three-in-one" mean, and what are the advantages?

A: "Three-in-one" integrates the electric motor, gear reducer, and disc brake into a single sealed unit. Benefits:

• (1) Compact layout — no external coupling alignment needed, reducing installation space by up to 40%
• (2) Fewer components — fewer failure points and less maintenance
• (3) Simplified sourcing — one unit to order, install, and service instead of three separate components
• (4) Better rigidity — integrated shaft and housing means higher positional accuracy and less vibration.

Q2: How do I choose between IP55 and IP65 protection?

A: IP55 (dust-protected + water splash) is sufficient for most indoor industrial environments — workshops, factories, warehouses. IP65 (dust-tight + water jet protection) is required in: outdoor exposed installations, wash-down environments, foundries with heavy dust and moisture, or coastal/marine applications. If your crane operates near water sprays, high-pressure washdowns, or in open air, specify IP65.

Q3: What is the difference between Class F and Class H insulation?

A: Insulation class defines the maximum allowable winding temperature:

• Class F = rated for up to 155°C — suitable for most standard industrial applications with ambient temperatures up to 40–50°C
• Class H = rated for up to 180°C — required for hot environments such as steel mills, near furnaces, or hot-rolling mills, or where motor derating is a concern
• If your application involves ambient temperatures above 50°C or significant radiant heat from processes, Class H is recommended.

Q4: Can this motor reducer be used with a Variable Frequency Drive (VFD)?

A: Yes. The F Series motor reducer is VFD-compatible. Operating on a VFD allows variable speed control of the hoist or travel motion. When using VFD, ensure:

• (1) the motor insulation class matches the VFD switching frequency (Class H recommended for VFD use to withstand voltage spikes)
• (2) the brake is properly coordinated with the VFD ramp — the integrated brake must release before the motor accelerates
• (3) the VFD is sized for 10–20% above the motor's full-load current.

Q5: What maintenance does the three-in-one unit require?

A: One of the advantages of the three-in-one design is reduced maintenance. Routine checks include:

• Every 6 months: Inspect cable connections, check brake pad wear and air gap, lubricate output shaft bearings if applicable
• Annually: Oil/grease analysis if applicable, inspect seals for wear or oil leakage, check motor winding resistance
• Brake adjustment is only needed if you notice increased stopping distance or brake chatter
• Keep the exterior clean and ensure cooling fins/fan are free of dust buildup to prevent overheating.