Описание продукта
RV series Characteristics
- 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
- 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,Small gap
Basic models can be applied to a wide range of power reduction ratios from 5 to 1000.
Warranty: One year from date of delivery.
| WORM GEARBOX | |||||
| SNW SERIES | Output Speed Range: | ||||
| Type | Old Type | Выходной крутящий момент | Output Shaft Dia. | 14rpm-280rpm | |
| SNW030 | RV030 | 21N.m | φ14 | Applicable Motor Power: | |
| SNW040 | RV040 | 45 Н·м | φ19 | 0.06kW-11kW | |
| SNW050 | RV050 | 84N.m | φ25 | Input Options1: | |
| SNW063 | RV063 | 160N.m | φ25 | With Inline AC Motor | |
| SNW075 | RV075 | 230N.m | φ28 | Input Options2: | |
| SNW090 | RV090 | 410N.m | φ35 | With Square flange | |
| SNW105 | RV105 | 630N.m | φ42 | Input Options3: | |
| SNW110 | RV110 | 725N.m | φ42 | With Input Shaft | |
| SNW130 | RV130 | 1050N.m | φ45 | Input Options4: | |
| SNW150 | RV150 | 1550N.m | φ50 | With Input Flange |
Starshine Drive
ZheJiang CHINAMFG Drive Co.,Ltd,the predecessor was a state-owned mould enterprise, was established in 1965. CHINAMFG specializes in the complete power transmission solution for high-end equipment manufacturing industries based on the aim of “Platform Product, Application Design and Professional Service”.
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 Team
Quality Control
Quality:Insist on Improvement,Strive for Excellence 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.
Quality policy:to enhance the overall level in the field of power transmission
Quality View:Continuous Improvement , pursuit of excellence
Quality Philosophy:Quality creates value
3. Incoming Quality Control
To establish the AQL acceptable level of incoming material control, to provide the material for the whole inspection, sampling, immunity. On the acceptance of qualified products to warehousing, substandard goods to take return, check, rework, rework inspection; responsible for tracking bad, to monitor the supplier to take corrective measures
to prevent recurrence.
4. Process Quality Control
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(Final QC)
After the manufacturing department will complete the product, stand in the customer’s position on the finished product quality verification, in order to ensure the quality of
customer expectations and needs.
6. OQC(Outgoing QC)
After the product sample inspection to determine the qualified, allowing storage, but when the finished product from the warehouse before the formal delivery of the goods, there is a check, this is called the shipment inspection.Check content:In the warehouse storage and transfer status to confirm, while confirming the delivery of the product
is a product inspection to determine the qualified products.
Packing
Delivery
| Приложение: | Motor, Machinery, Agricultural Machinery |
|---|---|
| Функция: | Speed Reduction |
| Макет: | Worm and Worm Wheel |
| Твердость: | Затвердевшая поверхность зуба |
| Установка: | Vertical Type |
| Шаг: | Single-Step |
| Настройка: | Доступный | Индивидуальный запрос |
|---|
Преимущества использования червячной передачи в редукторе NMRV
Червячные передачи обладают рядом преимуществ при использовании в редукторе NMRV:
1. Высокий коэффициент редукции: Червячные передачи обеспечивают высокое передаточное число в компактном исполнении, что позволяет значительно снизить скорость вращения за один шаг.
2. Высокая эффективность: Хотя червячные передачи обычно имеют более низкий механический КПД по сравнению с некоторыми другими типами передач, конструкция редуктора NMRV оптимизирует эффективность за счет использования бронзовой червячной передачи и самоблокирующегося механизма, который минимизирует обратный ход.
3. Компактный дизайн: Червячные передачи отличаются компактной и занимающей мало места конструкцией, что делает их подходящими для применений с ограниченным монтажным пространством.
4. Плавная и бесшумная работа: Зацепление червячных передач и косозубая конструкция червяка обеспечивают относительно плавную и бесшумную работу.
5. Самоблокирующийся: Червячные передачи по своей природе обладают самоблокирующими свойствами, то есть шестерня не может легко вращаться в обратном направлении. Это свойство полезно в тех случаях, когда необходимо удерживать положение без внешних механизмов блокировки.
6. Высокая крутящая способность: Червячные передачи способны передавать высокие крутящие моменты, что делает их подходящими для применений, требующих высокого выходного крутящего момента.
7. Простая смазка: Конструкция редуктора NMRV обеспечивает эффективную смазку червячной передачи, гарантируя оптимальную производительность и долговечность.
Эти преимущества делают червячные передачи популярным выбором для редукторов NMRV в различных промышленных областях применения, где их характеристики способствуют надежной и эффективной передаче мощности.
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 2023-10-26