Opis produktu
JWB Series Speed Variator
1. Features:
JWB-X type
- Sizes: ≥04
- Power up to 1.5 kW or more
- Cases in RAL 5571 blue cast iron
- Shafts: case hardened and tempered steel.
- Internal components: heat-treated steel
- Output speed with 4 pole(1400r/min) motors: 2-10r/min;4.7-23.5r/min;15-75r/min;20-100r/min, 28-140r/min, 30-150r/min;40-200r/min;60-300r/min;80-400r/min;100-500r/min;190-950r/min.
- Output Torque value max 1002Nm
- Silent, vibration-free running
- Bidirectional rotation
- Control handwheel positionable on either side
- Slipping speed to max load at 5%
- Regulation sensibility: 0,5 rpm
- Painted with blue epoxy-polyester powder
JWB-X B type
- Sizes:01,02,03 and 04
- Power up to 1.5 kW or less
- Cases in die-cast aluminium alloy
- Shafts: case hardened and tempered steel.
- Internal components: heat-treated steel
- Output speed with 4 pole(1400r/min) motors: 2r/min-20r/min;4.7r/min-23.5r/min;6.5-32.5r/min, 8-40r/min, 9-45r/min, 13-65r/min, 15r/min-75r/min;18-90r/min, 25-125r/min, 28r/min-140r/min;40r/min-200r/min;60r/min-300r/min;80r/min-400r/min;100r/min-500r/min;190r/min-950r/min.
- Output Torque value max 795 Nm
- Silent, vibration-free running
- Bidirectional rotation
- Control hand wheel positionable on either side
- Slipping speed to max load at 5%
- Regulation sensibility: 0,5 rpm
- Painted with blue epoxy-polyester powder
2. Technical parameters
| Type | Moment obrotowy wyjściowy | Output Shaft Dia. | Output Speed Range | 2rpm-950rpm | |
| SWB01 | 2.6-1.6N.m | φ11 | Applicable Motor Power | 0.18kW-7.5kW | |
| SWB02 | 258-1.8N.m | φ14,φ24,φ28,φ32 | |||
| SWB03 | 426-4N.m | φ24,φ28,φ38 | Input Options | With Inline AC Motor | |
| SWB04 | 795-8N.m | φ28,φ38,φ42 | With IEC Motor | ||
| SWB05 | 535-16N.m | φ38,φ48,φ55 | With Input Shaft | ||
| SWB06 | 1002-40N.m | φ42,φ55,φ70 | With Input Flange | ||
O nas
ZheJiang CHINAMFG Drive Co.,Ltd,the predecessor was a state-owned military 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”.
CHINAMFG 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.
7. Certification.
Uszczelka
Delivery
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| Aplikacja: | Motor, Machinery, Agricultural Machinery |
|---|---|
| Funkcjonować: | Distribution Power, Speed Reduction |
| Układ: | Speed Variator Worm Gear |
| Twardość: | Utwardzona powierzchnia zęba |
| Instalacja: | Vertical Type |
| Krok: | Double-Step |
| Personalizacja: | Dostępny | Spersonalizowane żądanie |
|---|
Self-Locking Properties in a Worm Gearbox
Yes, worm gearboxes exhibit self-locking properties, which can be advantageous in certain applications. Self-locking refers to the ability of a mechanism to prevent the transmission of motion from the output shaft back to the input shaft when the system is at rest. Worm gearboxes inherently possess self-locking properties due to the unique design of the worm gear and worm wheel.
The self-locking behavior arises from the angle of the helix on the worm shaft. In a properly designed worm gearbox, the helix angle of the worm is such that it creates a mechanical advantage that resists reverse motion. When the gearbox is not actively driven, the friction between the worm threads and the worm wheel teeth creates a locking effect.
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.
Materials Used for Worm Gears
Worm gears are manufactured using a variety of materials to meet different application requirements. Some commonly used materials for worm gears include:
- Steel: Steel is a popular choice for worm gears due to its strength, durability, and wear resistance. It can handle heavy loads and is often used in industrial applications.
- Bronze: Bronze offers good lubricity and is commonly used for the worm gear (worm) component. It provides effective wear resistance and works well in applications where quiet operation is essential.
- Cast Iron: 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.
- Aluminum: Aluminum worm gears are lightweight and corrosion-resistant, making them suitable for applications where weight reduction is important.
- Plastic: Some worm gears are made from plastic materials such as nylon or acetal. These materials are often chosen for their self-lubricating properties and quiet operation.
- Composite Materials: Composite materials can offer a combination of properties, such as lightweight construction and corrosion resistance. They can be suitable for specific applications.
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.
Zapobieganie luzom w przekładni ślimakowej
Luz w przekładni ślimakowej może prowadzić do obniżenia dokładności, błędów pozycjonowania i spadku ogólnej wydajności. Oto kroki, aby zapobiec luzowi lub go zminimalizować:
- Wysokiej jakości komponenty: Stosuj wysokiej jakości przekładnie ślimakowe i koła ślimakowe o ścisłych tolerancjach produkcyjnych. Precyzyjne komponenty pomogą zredukować luz.
- Prawidłowe zazębianie: Upewnij się, że przekładnia ślimakowa i koło ślimakowe są prawidłowo ustawione i zazębione. Nieprawidłowe zazębienie może prowadzić do zwiększenia luzu.
- Wstępne ładowanie: Zastosowanie niewielkiego napięcia wstępnego do przekładni ślimakowej może pomóc zmniejszyć luz. Jednak nadmierne napięcie wstępne może zwiększyć tarcie i zużycie.
- Mechanizmy zapobiegające luzom: Należy rozważyć zastosowanie mechanizmów zapobiegających luzom zwrotnym, takich jak systemy sprężynowe lub regulowane podkładki, aby skompensować wszelkie wrodzone luzy zwrotne.
- Smarowanie: Prawidłowe smarowanie może zmniejszyć tarcie i zminimalizować luz. Należy stosować smar, który zapewnia dobrą wytrzymałość filmu smarowego i zmniejsza zużycie.
- Konserwacja: Regularnie sprawdzaj i konserwuj skrzynię biegów, aby zidentyfikować i naprawić wszelkie zmiany luzu na przestrzeni czasu.
It’s important to strike a balance between reducing backlash and maintaining smooth operation. Consulting with gearbox experts and following manufacturer guidelines will help you optimize your worm gearbox’s performance while minimizing backlash.
editor by CX 2024-03-12