Produktbeschreibung
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 | Ausgangsdrehmoment | 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 | ||
Über uns
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.
Verpackung
Delivery
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| Anwendung: | Motoren, Maschinen, Landmaschinen |
|---|---|
| Funktion: | Distribution Power, Speed Reduction |
| Layout: | Speed Variator Worm Gear |
| Härte: | Gehärtete Zahnoberfläche |
| Installation: | Vertical Type |
| Schritt: | Doppelschritt |
| 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.
Preventing Backlash in a Worm Gearbox
Backlash in a worm gearbox can lead to reduced accuracy, positioning errors, and decreased overall efficiency. Here are steps to prevent or minimize backlash:
- High-Quality Components: Use high-quality worm gears and worm wheels with tight manufacturing tolerances. Precision components will help reduce backlash.
- Proper Meshing: Ensure the worm gear and worm wheel are properly aligned and meshed. Improper meshing can lead to increased backlash.
- Preload: Applying a small amount of preload to the worm gear can help reduce backlash. However, excessive preload can increase friction and wear.
- Anti-Backlash Mechanisms: Consider using anti-backlash mechanisms, such as spring-loaded systems or adjustable shims, to compensate for any inherent backlash.
- Schmierung: Proper lubrication can reduce friction and play a role in minimizing backlash. Use a lubricant that provides good film strength and reduces wear.
- Wartung: Regularly inspect and maintain the gearbox to identify and address any changes in backlash over time.
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