Descrição do produto
- RV – Sizes:–150
- Input Options: with input shaft, With Square flange,With Input Flange
- Input Power 0.06 to 11 kW
- RV-Size from 030 to 105 in die-cast aluminium alloy budy and over 110 in cast iron
- Ratios between 5 and 100
- Max torque 1550 N.m and admissible output radial loads max 8771 N
- Aluminium units are supplied complete with synthetic oil and allow for universal mounting positions, with no need to modify lubricant quantity
- Worm wheel: Copper (KK Cu).
- Loading capacity in accordance with: ISO 9001:2015/GB/T 19001-2016
- Size 030 and over are painted with RAL 5571 blue
- Worm gear reducers are available with diffferent combinations: NMRV+NMRV, NMRVpower+NMRV, JWB+NMRV
- NMRV, NRV+VS,NMRV+AS,NMRV+VS,NMRV+F
- Options: torque arm, output flange, viton oil seals, low/high temperature oil, filling/drain/breather/level plug.
Technical parameters
| Tipo | Old Type | Torque de saída | Output Shaft Dia. |
| SNW030 | RV030 | 21N.m | φ14 |
| SNW040 | RV040 | 45N.m | φ19 |
| SNW050 | RV050 | 84N.m | φ25 |
| SNW063 | RV063 | 160N.m | φ25 |
| SNW075 | RV075 | 230N.m | φ28 |
| SNW090 | RV090 | 410N.m | φ35 |
| SNW105 | RV105 | 630N.m | φ42 |
| SNW110 | RV110 | 725N.m | φ42 |
| SNW130 | RV130 | 1050N.m | φ45 |
| SNW150 | RV150 | 1550N.m | φ50 |
About CHINAMFG Drive
ZheJiang CHINAMFG Drive Co.,Ltd(Starshine) have a strong technical force with over 350 employees at present, including over 30 engineering technicians, 30 quality inspectors, covering an area of 80000 square CHINAMFG and kinds of advanced processing machines and testing equipments. We have a good foundation for the industry application development and service of high-end speed reducers & variators owning to the provincial engineering technology research center,the lab of gear speed reducers, and the base of modern R&D.
Our products are widely used in ceramic industry, glass industry, woodworking machinery , high voltage switch, food & beverage, packaging & printing, Storage & logistics, hoisting & transportation facilities…etc , and CHINAMFG technically provide the professional product & service for the medium and high-end customers, and our gearboxes are best-selling in domestic, and even in abroad , such as in Europe, North America, South America, Middle East, South Asia, Southeast Asia, Africa…etc.
In the future , CHINAMFG will hold the creed of “serving customer, diligence & simplicity, self-criticism, innovation, honesty, teamwork”, and the concept of “quality creates value” to focus on the customers’ requirements and provide them the competitive transmission solution and create value for them constantly, and make a high-end equipment manufacturing industry and create a preferred brand of replacing import products and upgrading continuously for the end users.
Team
Controle de qualidade
Quality:Insist on Improvement,Strive for CHINAMFG With the development of equipment manufacturing indurstry,customer never satirsfy with the current quality of our products,on the contrary,wcreate the value of quality.
Política de qualidade: elevar o nível geral na área de transmissão de energia.
Visão da Qualidade: Melhoria Contínua, busca pela excelência.
Filosofia da Qualidade: A qualidade cria valor.
3. Controle de Qualidade de Entrada
Estabelecer o nível de qualidade aceitável (AQL) para o controle de materiais recebidos, garantindo que o material seja submetido a inspeção completa, amostragem e verificação de imunidade. Após a aceitação de produtos qualificados para armazenamento, os produtos fora do padrão devem ser devolvidos para verificação, retrabalho e reinspeção; o responsável deve rastrear os produtos defeituosos e monitorar os fornecedores para que tomem medidas corretivas a fim de evitar recorrências.
4. Controle de Qualidade do Processo
The manufacturing site of the first examination, inspection and final inspection, sampling according to the requirements of some projects, judging the quality change trend; found abnormal phenomenon of manufacturing, and supervise the production department to improve, eliminate the abnormal phenomenon or state
5. FQC (Controle de Qualidade Final)
Após a conclusão da produção pelo departamento de manufatura, o profissional deverá se colocar no lugar do cliente para verificar a qualidade do produto acabado, a fim de garantir que a qualidade atenda às expectativas e necessidades do cliente.
6. OQC (Controle de Qualidade de Saída)
Após a inspeção da amostra do produto para determinar se está qualificado e ser armazenado, ocorre uma verificação antes da entrega formal da mercadoria, chamada de inspeção de embarque. A verificação consiste em confirmar o status de armazenamento e transferência do produto no armazém, e a confirmação da entrega é uma inspeção de produto para determinar se os produtos estão qualificados.
Embalagem
Entrega
| Aplicativo: | Motor, Máquinas, Máquinas Agrícolas |
|---|---|
| Dureza: | Superfície dentária endurecida |
| Instalação: | 90 graus |
| Layout: | Corner |
| Formato da engrenagem: | Worm and Worm Wheel |
| Etapa: | Etapa única |
| Personalização: |
Disponível
| Solicitação personalizada |
|---|

Ajustando a tensão da correia da caixa de engrenagens de um cortador de grama
O ajuste correto da tensão da correia da caixa de engrenagens do seu cortador de grama é crucial para o desempenho ideal e a durabilidade da correia. Siga estes passos para ajustar a tensão:
- Preparação: Desligue o motor do cortador de grama e desconecte o cabo da vela de ignição para garantir a segurança.
- Localize o mecanismo de ajuste: Identifique o mecanismo de ajuste de tensão no cortador de grama. Pode ser um parafuso de tensionamento, um suporte ajustável ou outro mecanismo, dependendo do modelo do cortador.
- Afrouxe os parafusos: Se o seu cortador de relva tiver parafusos de tensionamento, afrouxe ligeiramente os parafusos de fixação que prendem a caixa de engrenagens. Isto permite que a caixa de engrenagens se mova e ajuste a tensão.
- Ajustar a tensão: Utilize o mecanismo de ajuste de tensão para aumentar ou diminuir a tensão da correia. Consulte o manual do seu cortador de grama para obter as especificações de tensão recomendadas.
- Verificar tensão: Após o ajuste, verifique a tensão pressionando a correia no ponto médio entre as polias. A correia deve ceder um pouco, mas não excessivamente. Verifique também se as polias estão alinhadas corretamente.
- Aperte os parafusos: Após ajustar a tensão corretamente, aperte os parafusos de fixação da caixa de câmbio para prendê-la no lugar.
- Operação de teste: Reconecte o cabo da vela de ignição e ligue o cortador de grama para observar o funcionamento da correia. Preste atenção a quaisquer ruídos incomuns e verifique se a correia está encaixada corretamente nas polias.
Verificar e ajustar regularmente a tensão da correia da caixa de velocidades garante uma transmissão de potência eficiente e evita o desgaste prematuro. Se tiver dúvidas sobre o ajuste correto da tensão, consulte o manual do seu cortador de relva ou procure a ajuda de um profissional.

Choosing the Right Mower Gearbox for Your Lawn Mower
Choosing the right mower gearbox for your lawn mower involves considering several important factors to ensure compatibility, performance, and longevity:
- Mower Type: Different types of mowers, such as rotary mowers, reel mowers, and flail mowers, may require specific gearbox designs. Choose a gearbox that matches your mower type.
- Power and Torque: Calculate the power and torque requirements of your mower to ensure the gearbox can handle the load without straining.
- Mounting Compatibility: Ensure the gearbox’s mounting points match those of your mower. Compatibility is essential for proper installation and function.
- Shaft Size and Type: Consider the size and type of shafts on both the gearbox and the mower to ensure they can be connected securely.
- Gear Ratio: Choose a gear ratio that provides the desired cutting or mowing speed for your specific application.
- Quality and Brand: Opt for a reputable brand known for producing high-quality gearboxes. Quality components contribute to durability and performance.
- Maintenance Requirements: Consider the maintenance needs of the gearbox and choose one that aligns with your willingness to perform regular maintenance.
- Budget: While quality is important, consider your budget and aim for the best quality gearbox that fits within your financial constraints.
Consult your mower’s manual or a professional for guidance on selecting the right gearbox for your specific mower model and application. Choosing the right gearbox ensures efficient operation and extends the lifespan of your lawn mower.

Maintaining a Mower Gearbox
Maintaining a mower gearbox is crucial to ensure its longevity, performance, and safe operation. Here are the key steps to effectively maintain a mower gearbox:
- Regular Inspection: Periodically inspect the gearbox for signs of wear, damage, or leaks. Check for any unusual noises or vibrations during operation.
- Lubrication: Follow the manufacturer’s guidelines for lubrication. Ensure the gearbox is properly lubricated with the recommended oil to minimize friction and reduce wear on moving parts.
- Cleaning: Keep the gearbox clean by removing dirt, debris, and grass clippings that can accumulate around the housing. Clean the exterior as well as the cooling fins to prevent overheating.
- Belt Tension: If the mower has belts connected to the gearbox, maintain proper belt tension according to the manufacturer’s recommendations. Loose or overly tight belts can affect the gearbox’s performance.
- Bearing Inspection: Check the bearings for any signs of wear, noise, or rough operation. Replace worn bearings to prevent damage to other components.
- Seals: Ensure that seals are intact and functioning properly. Replace damaged seals to prevent contaminants from entering the gearbox.
- Blade Maintenance: If the gearbox is associated with cutting blades, regularly sharpen and balance the blades to reduce strain on the gearbox. Replace any damaged or worn blades.
- Aperte os fixadores: Check and tighten all bolts, nuts, and fasteners that secure the gearbox components. Loose fasteners can lead to vibrations and misalignment.
- Alignment: Ensure that the gearbox is properly aligned with other components, such as the engine and cutting blades. Misalignment can cause excessive wear and reduce efficiency.
- Grease Fittings: If applicable, use grease fittings to lubricate specific components. Follow the manufacturer’s recommendations for greasing intervals.
- Professional Maintenance: If you’re unsure about certain maintenance tasks or notice significant issues, consider seeking professional maintenance or servicing for the gearbox.
By following these maintenance practices, you can extend the lifespan of the mower gearbox and ensure that it operates smoothly and efficiently during mowing operations.


editor by CX 2023-09-12