Produktbeskrivelse

Nmrv Right Angle 90 Degree Reduction Worm Gear Reducer Gearbox

Input Configurations	Double or single input shaft (NRV)
	PAM / IEC motor input shaft with circle or square flange (NMRV)
Output Configurations	Double or single output shaft
	Output flange

Specification

Model	Motor Input Flange (circle)					Transmission Ratio												Makt (kw)	Forhold (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

Scenario

Packing

Vanlige spørsmål

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.

Søknad:	Motor, Machinery, Agricultural Machinery
Hardhet:	Herdet tannoverflate
Installasjon:	B3,B6,B7,B8,V5,V6
Oppsett:	Coaxial
Girform:	Cylindrical Gear
Skritt:	Single-Step

Tilpasning:	Tilgjengelig | Tilpasset forespørsel

Replacing Parts vs. Replacing the Whole NMRV Gearbox

Whether to replace parts or the entire NMRV gearbox depends on the extent of the issue and the availability of replacement parts:

Replacing Parts: If a specific component is faulty or worn, you can often replace that part. This is a cost-effective solution and is feasible when the damage is isolated to a single component.

When to Replace Parts:

• Minor wear on gears, bearings, or seals.
• Specific components are damaged, but the rest of the gearbox is in good condition.

Replacing the Whole Gearbox: If multiple components are severely damaged, the gearbox housing is cracked, or the gearbox repeatedly experiences issues, replacing the entire unit might be a better option.

When to Replace the Whole Gearbox:

• Severe damage to multiple components.
• Cracks or damage to the gearbox housing.
• Frequent breakdowns and repairs.

Professional Assessment: In some cases, it’s best to consult a professional technician to assess the situation and provide recommendations. They can guide you on whether to replace parts or the entire unit based on the specific circumstances.

Ultimately, the decision between replacing parts and replacing the whole NMRV gearbox depends on factors such as the extent of damage, cost considerations, and the expertise of professionals.

Designprinsipper for en NMRV-girkasse

Utformingen av en NMRV-girkasse (snekkegir) er basert på viktige prinsipper som muliggjør effektiv og pålitelig drift:

• Snekkegirmekanisme: Kjernen i en NMRV-girkasse er snekkeskruen og snekkehjulet. Snekkeskruen, vanligvis sylindrisk i form, går i inngrep med tennene på snekkehjulet. Denne konfigurasjonen gir høye girutvekslingsforhold.
• Spiralgir: Snekkeskruen er vanligvis spiralformet, noe som gir jevnere inngrep med snekkehjulet. Spiralformede gir reduserer glidefriksjonen og støyen som er forbundet med tradisjonelle rettskårne snekkegir.
• Kompakt design: NMRV-girkasser er konstruert for å være kompakte, ofte med en rettvinklet konfigurasjon. Dette gir effektiv plassutnyttelse i ulike applikasjoner.
• Legeringskonstruksjon: Mange NMRV-girkasser er konstruert av høykvalitetslegeringer, noe som gir holdbarhet og korrosjonsbestandighet. Materialvalget sikrer en girkasse som tåler varierende belastninger og miljøforhold.
• Lagerstøtte: Lagre støtter de roterende elementene i girkassen, noe som reduserer friksjon og sikrer jevn drift. Lagrene er strategisk plassert for å håndtere radielle og aksiale belastninger.
• Tetting og smøring: NMRV-girkasser er utstyrt med effektive tetningsmekanismer for å forhindre inntrengning av forurensninger og for å holde på smøreolje. Riktig smøring er avgjørende for å redusere slitasje og forbedre girkassens effektivitet.
• Effektiv kraftoverføring: Snekkegirmekanismen i NMRV-girkasser gir høye girutvekslingsforhold, noe som muliggjør effektiv kraftoverføring samtidig som energitap minimeres.
• Stille drift: Den spiralformede utformingen av snekkeskruen og snekkehjulet bidrar til en roligere drift sammenlignet med tradisjonelle rettkuttede snekkegir.
• Bredt utvalg av forholdstall: NMRV-girkasser er tilgjengelige i forskjellige girforhold, slik at brukerne kan velge riktig konfigurasjon for deres spesifikke applikasjonsbehov.

Kombinasjonen av disse designprinsippene resulterer i en NMRV-girkasse som tilbyr effektiv, pålitelig og stillegående kraftoverføring for et bredt spekter av industrielle applikasjoner.

Installing an NMRV Gearbox

Installing an NMRV gearbox requires careful attention to ensure proper alignment and secure attachment. Here’s a general guide to the installation process:

1. Prepare the Workspace: Ensure you have a clean and organized workspace with the necessary tools and equipment.
2. Positioning: Place the NMRV gearbox in the desired position on your machinery, making sure it aligns with the input and output components.
3. Alignment: Ensure that the input shaft of the gearbox is aligned with the driving shaft from the power source. Misalignment can lead to premature wear and reduced efficiency.
4. Mounting: Securely mount the NMRV gearbox to the machinery frame using appropriate fasteners. Follow the manufacturer’s recommendations for torque specifications.
5. Input Coupling: Connect the input shaft of the gearbox to the driving shaft using a suitable coupling. This coupling should be properly aligned to avoid unnecessary stress on the gearbox components.
6. Output Coupling: Similarly, connect the output shaft of the gearbox to the driven component using an appropriate coupling.
7. Lubrication: Before operation, make sure to fill the gearbox with the recommended lubricant to ensure proper gear meshing and reduce friction.
8. Testing: Run the machinery briefly to check for any unusual noises, vibrations, or leaks. Make any necessary adjustments.

It’s crucial to follow the manufacturer’s installation guidelines and specifications to ensure a smooth and trouble-free installation process. Proper installation contributes to the longevity and reliable performance of your NMRV gearbox.

editor by CX 2023-09-11