Boîte de vitesses à vis sans fin série Nmrv en alliage d'aluminium à angle droit, fabriquée en Chine et certifiée SGS. Boîte de vitesses automobile.

Description du produit

 

Paramètres du produit

Editing and broadcasting of main materials

1. Body, die-casting aluminum alloy;

2. Worm shaft, 20 Crq steel, high temperature treatment;

3. Worm gear, nickel bronze alloy;

4. Aluminum alloy body, sandblasting and surface anti-corrosion treatment;

5. Cast iron body, painted with bIu RA5571.

Regular center distance specification editing and broadcasting

Center distance: 130 (unit: mm).

Output hole/shaft diameter: 11, 14, 18, 25, 28, 35, 42, 45 (unit: mm)

Photos détaillées

 

NMRV-063-30-VS–AS-80B5-0.75KW-B3
NMRV	Means hole-input with flange
NRV	Means shaft-input without flange
063	Centre-to-centre spacing of worm-gear speed reducer
30	ratio
VS	Double input shaft	F1(FA)	Flange putput shaft
AS	Single output shaft	AB	Double output shaft
PAM		80B5	Motor mounting facility
0.75KW		B3	Mounting position

N2	NRV571	NRV030	NRV040	NRV050	NRV063	NRV075	NRV090	NRV110	NRV130
400	390	530	1571	1400	1830	2160	2390	3571	3950
250	460	620	1200	1650	2150	2520	2800	3530	4610
150	550	740	1420	1960	2450	2990	3310	4180	5470
100	630	850	1620	2250	2910	3430	3800	4790	6260
60	740	1000	1920	2660	3450	4060	4500	5680	7420
40	850	1150	2200	3050	3950	4650	5150	6500	8500
25	990	1350	2570	3570	4620	5440	6571	7600	9940
10	1350	1830	3490	4840	6270	7380	8180	10320	13500
A	50	65	84	101	120	131	162	191	203
B	38	50	64	76	95	101	122	151	163

Use and safety guarantee

1. Please check and confirm the matching intensity between worm gear reducer and mechanical equipment before use to assure that it is in the safety range of worm gear reducer performance parameters
2. Worm gear reducer has filled with WA460 lubricating oil. Please replace the lubricating oil after the first starting of 400 hours and after then 4000 hours for lubricating oil replacing cycle
3. There should be enough lubrication in worm gear box and keep regular check with the oil level.
4. When installation. please be careful to avoid sharp instruments bruising the oil seals on output shaft to cause leakage
5. Please confirm the rotation direction before mechanical connection. If the rotation direction is not correct, it will possible injury or damage the devices
6. Please set safety covers in rotating position to avoid of injuring
7. Please pay full attention: it is very dangerous if there is off or falling when movin

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Dureté:	Surface dentaire durcie
Installation:	90 degrés
Mise en page:	Expansion
Forme de l'engrenage :	Bevel Gear
Étape:	Étape unique
Type:	Gear Reducer

Exemples :	US$ 30/Piece 1 pièce (commande minimale) | Demande d'échantillon

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.

Common Problems Associated with NMRV Gearboxes

NMRV (worm gear) gearboxes are reliable and durable, but like any mechanical system, they can experience certain issues over time. Here are some common problems that can be associated with NMRV gearboxes:

• Overheating: Inadequate lubrication or excessive load can lead to overheating, causing accelerated wear and potential damage to the gearbox components.
• Noise and Vibration: Unusual noises or excessive vibration during operation could indicate misalignment, worn gears, or damaged bearings.
• Leakage: Oil leaks can occur due to worn seals or damaged gaskets, leading to lubricant loss and potential contamination of the surrounding environment.
• Worn Gears: Over time, gear teeth can wear down due to friction and load. This can result in reduced efficiency, increased backlash, and compromised performance.
• Misalignment: Improper installation or mounting can lead to misalignment between the input and output shafts, causing increased friction, wear, and reduced efficiency.
• Backlash: Excessive backlash between the worm gear and the mating gear can lead to poor positioning accuracy and reduced efficiency in motion control applications.
• Poor Lubrication: Using incorrect or inadequate lubricants, or neglecting proper lubrication maintenance, can lead to increased friction, wear, and potential failure of gearbox components.
• Seal Damage: Worn or damaged seals can result in oil leaks and contamination, affecting the performance and lifespan of the gearbox.
• Shaft Wear: Over time, the input and output shafts can experience wear due to load and friction, affecting the overall operation of the gearbox.
• Corrosion: Exposure to harsh environments or corrosive substances can lead to corrosion of gearbox components, reducing their lifespan.

To prevent and address these common problems, it’s crucial to follow proper maintenance and servicing practices, use high-quality lubricants, address issues promptly, and consult professionals when needed. Regular inspections and proactive maintenance can help extend the operational lifespan and reliability of NMRV gearboxes.

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 2024-04-17