Produktbeschreibung
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
- 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.
Basic models can be applied to a wide range of power reduction ratios from 5 to 1000.
Warranty: One year from date of delivery.
Datasheet
| Type | Old Type | Ausgangsdrehmoment | 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
Quality Control
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.
Quality policy:to enhance the overall level in the field of power transmission
Quality View:Continuous Improvement , pursuit of CHINAMFG
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.
Verpackung
Delivery
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| Anwendung: | Motor, Machinery, Marine |
|---|---|
| Funktion: | Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction |
| Layout: | Koaxial |
| Härte: | Soft Tooth Surface |
| Installation: | Vertical Type |
| Schritt: | Einzelschritt |
| Anpassung: | Verfügbar | Kundenspezifische Anfrage |
|---|
Selbsthemmende Eigenschaften eines Schneckengetriebes
Ja, Schneckengetriebe weisen selbsthemmende Eigenschaften auf, die in bestimmten Anwendungen von Vorteil sein können. Selbsthemmung bedeutet, dass ein Mechanismus die Übertragung der Bewegung von der Abtriebswelle zurück zur Antriebswelle verhindert, wenn das System stillsteht. Schneckengetriebe besitzen aufgrund der besonderen Konstruktion von Schneckenrad und Schneckenrad prinzipiell selbsthemmende Eigenschaften.
Die Selbsthemmung entsteht durch den Steigungswinkel der Schneckenwelle. In einem korrekt konstruierten Schneckengetriebe ist der Steigungswinkel der Schnecke so gewählt, dass er eine mechanische Übersetzung erzeugt, die der Rückwärtsbewegung entgegenwirkt. Wenn das Getriebe nicht aktiv angetrieben wird, bewirkt die Reibung zwischen den Schneckengewinden und den Zähnen des Schneckenrades eine Blockierung.
This self-locking feature makes worm gearboxes particularly useful in applications where holding a load in position without external power is necessary. For instance, they are commonly used in situations where there’s a need to prevent a mechanism from backdriving, such as in conveyor systems, hoists, and jacks.
However, it’s important to note that while self-locking properties can be beneficial, they also introduce some challenges. The high friction between the worm gear and worm wheel during self-locking can lead to higher wear and heat generation. Additionally, the self-locking effect can reduce the efficiency of the gearbox when it’s actively transmitting motion.
When considering the use of a worm gearbox for a specific application, it’s crucial to carefully analyze the balance between self-locking capabilities and other performance factors to ensure optimal operation.
Für Schneckengetriebe verwendete Materialien
Schneckengetriebe werden aus verschiedenen Materialien gefertigt, um unterschiedlichen Anwendungsanforderungen gerecht zu werden. Zu den häufig verwendeten Materialien für Schneckengetriebe gehören:
- Stahl: Stahl ist aufgrund seiner Festigkeit, Langlebigkeit und Verschleißfestigkeit ein beliebtes Material für Schneckengetriebe. Er hält hohen Belastungen stand und wird häufig in industriellen Anwendungen eingesetzt.
- Bronze: Bronze bietet gute Schmiereigenschaften und wird häufig für Schneckengetriebe verwendet. Sie bietet eine effektive Verschleißfestigkeit und eignet sich gut für Anwendungen, bei denen ein leiser Betrieb wichtig ist.
- Gusseisen: Cast iron is known for its high strength and durability. It’s often used for worm gears in applications where shock loads or heavy-duty conditions are expected.
- Aluminium: Aluminium-Schneckengetriebe sind leicht und korrosionsbeständig und eignen sich daher für Anwendungen, bei denen eine Gewichtsreduzierung wichtig ist.
- Plastik: Manche Schneckengetriebe werden aus Kunststoffen wie Nylon oder Acetal hergestellt. Diese Materialien werden häufig aufgrund ihrer selbstschmierenden Eigenschaften und ihres leisen Betriebs gewählt.
- Verbundwerkstoffe: Verbundwerkstoffe bieten eine Kombination verschiedener Eigenschaften, wie beispielsweise geringes Gewicht und Korrosionsbeständigkeit. Sie eignen sich daher für spezifische Anwendungen.
The choice of material depends on factors such as the application’s load, speed, operating environment, and required performance characteristics. It’s important to consider these factors when selecting the appropriate material for worm gears to ensure optimal performance and longevity.
Can a Worm Gearbox Provide High Torque Output?
Yes, a worm gearbox is capable of providing high torque output due to its unique design and principle of operation. Worm gears are known for their high torque multiplication capabilities, making them suitable for applications that require significant torque transfer.
The torque output of a worm gearbox is influenced by several factors:
- Lead Angle: The lead angle of the worm affects the mechanical advantage of the gear system. A larger lead angle can result in higher torque output.
- Worm Diameter: A larger diameter worm can offer increased torque output as it provides more contact area with the gear.
- Gear Ratio: The gear ratio between the worm and the gear determines the torque multiplication factor. A higher gear ratio leads to higher torque output.
- Schmierung: Proper lubrication is essential to minimize friction and ensure efficient torque transmission.
- Material and Quality: High-quality materials and precision manufacturing contribute to the gearbox’s ability to handle high torque loads.
Due to their ability to provide high torque output in a compact form factor, worm gearboxes are commonly used in various industrial applications, including heavy machinery, construction equipment, conveyor systems, and more.
editor by CX 2024-03-06