Description du produit

RV Series Worm Gear Boxes Gearbox Speed Reducer with Electric Motors

Configurations d'entrée	Double or single input shaft (NRV)
	Round Input Flange for IEC B5/B14 motor (NMRV)
	Square Input Flange for Servo Motor (NMRV)
Output Configurations	Double Output Shaft (AB) or Single Output Shaft (AS)
	Output flange

Spécification

Modèle	Motor Input Flange (circle)					Transmission Ratio												Pouvoir (kW)	Rapport (i)	Nominal Torque (Nm)
	PAM / IEC	Internal Dia.	Dis. Between Diagonal Screw Holes	External Dia.	Width of Key Slot	5	7.5	10	15	20	25	30	40	50	60	80	100
		N	M	P	E	Diamter of Input Shaft
NMRV25	56B14	50	65	80	3	9					–	9				–		0.06	7.5-60	2.6-14
NMRV30	63B5	95	115	140	4	11									–			0.06-0.18	7.5-80	2.6-14
	63B14	60	75	90
	56B5	80	100	120	3	9											–
	56B14	50	65	80
NMRV40	71B5	110	130	160	5	14								–				0.09-0.37	7.5-100	11-53
	71B14	70	85	105
	63B5	95	115	140	4	11
	63B14	60	75	90
	56B5	80	100	120	3	–								9
NMRV50	80B5	130	165	200	6	19							–					0.12-0.75	7.5-100	21-89
	80B14	80	100	120
	71B5	110	130	160	5	14											–
	71B14	70	85	105
	63B5	95	115	140	4	–							11
NMRV63	90B5	130	165	200	8	24							–					0.25-1.5	7.5-100	56-166
	90B14	95	115	140
	80B5	130	165	200	6	19										–
	80B14	80	100	120
	71B5	110	130	160	5	–							14
	71B14	70	85	105
NMRV75	100/112B5	180	215	250	8	–	28			–								0.55-4	7.5-100	90-269
	100/112B14	110	130	160
	90B5	130	165	200	8		24							–
	90B14	95	115	140
	80B5	130	165	200	6		–			19
	80B14	80	100	120
	71B5	110	130	160	–		–						14
NMRV90	100/112B5	180	215	250	8	–	28						–					0.55-4	7.5-100	101-458
	100/112B14	110	130	160
	90B5	130	165	200	8		24									–
	90B14	95	115	140
	80B5	130	165	200	6		–						19
	80B14	80	100	120
NMRV110	132B5	230	265	300	10	–	38				–							1.1-7.5	7.5-100	242-660
	132B14	130	165	200	–
	100/112B5	180	215	250	8		28									–
	90B5	130	165	200			–				24
	90B14	95	115	140	–
	80B5	130	165	200			–									19
NMRV130	132B5	230	265	300	10	–	38							–				2.2-7.5	7.5-100	333-1596
	132B14	130	165	200	–
	100/112B5	180	215	250	8		–				28
	90B5	130	165	200	–		–									24
	90B14	95	115	140
NMRV150	160B5	250	300	350	12	–	42					–						2.2-15	7.5-100	570-1760
	132B5	230	265	300	10		–			38					–
	132B14	130	165	200	–
	100/112B5	180	215	250	8		–							28

Company profile

FAQ

Q1: I want to buy your products, how can I pay?
A: You can pay via T/T(30%+70%), L/C ,D/P etc. 

Q2: How can you guarantee the quality?
A: One year’s warranty against B/L date. If you meet with quality problem, please send us pictures or video to check, we promise to send spare parts or new products to replace. Our guarantee not include inappropriate operation or wrong specification selection. 

Q3: How we select models and specifications?
A: You can email us the series code (for example: RC series helical gearbox) as well as requirement details, such as motor power,output speed or ratio, service factor or your application…as much data as possible. If you can supply some pictures or drawings,it is nice. 

Q4: If we don’t find what we want on your website, what should we do?
A: We offer 3 options:
1, You can email us the pictures, drawings or descriptions details. We will try to design your products on the basis of our
standard models.
2, Our R&D department is professional for OEM/ODM products by drawing/samples, you can send us samples, we do customized design for your bulk purchasing.
3, We can develop new products if they have good market. We have already developed many items for special using successful, such as special gearbox for agitator, cement conveyor, shoes machines and so on. 

Q5: Can we buy 1 pc of each item for quality testing?
A: Yes, we are glad to accept trial order for quality testing.

Q6: How about your product delivery time?
A: Normally for 20’container, it takes 25-30 workdays for RV series worm gearbox, 35-40 workdays for helical gearmotors.

Application:	Motor, Machinery, Agricultural Machinery, Material Handling Machines
Dureté:	Surface dentaire durcie
Installation:	B3, B6, B7, B8, V5, V6
Étape:	Étape unique
Type:	Worm Reducer
Rated Power:	0.18 Kw

Personnalisation :	Disponible | Demande personnalisée

Dépannage des bruits anormaux dans une boîte de vitesses NMRV

Des bruits anormaux provenant d'une boîte de vitesses NMRV peuvent être problématiques et indiquer des problèmes sous-jacents. Suivez ces étapes pour diagnostiquer et résoudre le problème :

1. Identifier le bruit : Écoutez attentivement le bruit et déterminez s'il s'agit d'un grincement, d'un sifflement ou d'un cognement.
2. Vérifier la lubrification : Un graissage insuffisant ou contaminé peut provoquer des bruits. Assurez-vous que la boîte de vitesses est correctement lubrifiée.
3. Inspecter les engrenages : Examinez les dents de l'engrenage pour détecter toute usure, tout dommage ou tout défaut d'alignement.
4. Recherchez les corps étrangers : La présence de corps étrangers dans la boîte de vitesses peut provoquer du bruit. Nettoyez et inspectez l'intérieur.
5. Vérifier les roulements : Des roulements usés ou endommagés peuvent être bruyants. Inspectez-les et remplacez-les si nécessaire.
6. Inspecter les scellés : Des joints endommagés peuvent laisser pénétrer des contaminants et affecter les performances. Remplacez les joints endommagés.
7. Examiner le logement : Vérifiez que le carter de la boîte de vitesses est intact, sans fissures ni défauts d'alignement.
8. Vérifier les conditions de charge : Une surcharge peut engendrer du bruit. Assurez-vous que la boîte de vitesses n'est pas surchargée.
9. Vérifier le montage : Vérifiez que la boîte de vitesses est correctement montée et alignée.
10. Consultez les directives : Consultez les instructions du fabricant pour connaître les étapes de dépannage spécifiques.
11. Aide professionnelle : Si le problème persiste, demandez l'aide d'un technicien professionnel ou du fabricant.

Suivez ces étapes pour identifier et corriger les bruits anormaux de votre boîte de vitesses NMRV.

Benefits of Using an NMRV Gearbox

NMRV gearboxes offer several advantages that make them a popular choice in various applications:

• Compact Design: NMRV gearboxes are compact and space-efficient, making them suitable for installations with limited space.
• High Efficiency: These gearboxes are designed for high efficiency, minimizing energy losses during power transmission.
• Smooth Operation: NMRV gearboxes provide smooth and reliable operation due to their precise gear meshing and design.
• Quiet Performance: The design and quality of NMRV gearboxes contribute to quiet operation, reducing noise levels in various applications.
• Cost-Effective: Their efficient manufacturing processes and durability make NMRV gearboxes a cost-effective choice for power transmission.
• Wide Ratio Range: NMRV gearboxes are available in a wide range of gear ratios, allowing users to select the most suitable option for their specific application needs.
• Corrosion Resistance: Many NMRV gearboxes are constructed using materials that offer corrosion resistance, enhancing their longevity and performance in harsh environments.
• Easy Installation: The compact and lightweight design of NMRV gearboxes makes them relatively easy to install and integrate into various systems.
• Low Maintenance: With proper lubrication and maintenance, NMRV gearboxes can have a long service life with minimal maintenance requirements.
• Versatility: NMRV gearboxes are versatile and can be used in a wide range of applications, from industrial machinery to conveyor systems.

These benefits collectively contribute to the popularity of NMRV gearboxes in industries where efficient and reliable power transmission is crucial.

Working Principle of an NMRV Gearbox

An NMRV gearbox, also known as a worm gear reducer, operates based on a worm and worm wheel mechanism. Here’s how it works:

The gearbox consists of two main components: the worm (a screw-like shaft) and the worm wheel (a toothed wheel). The worm is driven by the input power source, while the worm wheel is connected to the output shaft.

As the worm rotates, its threaded shaft engages with the teeth of the worm wheel. The helical shape of the worm causes the teeth of the worm wheel to push against each other, resulting in a smooth and gradual transfer of motion. This mechanism provides the speed reduction and torque multiplication required for various applications.

One key characteristic of NMRV gearboxes is that the worm can turn the worm wheel, but the reverse is not possible due to the high friction generated by the helical threads. This feature prevents the output shaft from back-driving the input shaft, providing mechanical locking and enhancing safety and stability in applications.

The NMRV gearbox’s operation is continuous, and its simple design contributes to its reliability and efficiency. It is important to ensure proper lubrication to minimize wear and heat generation during operation.

editor by CX 2023-12-04