Product Description
Large gear units against enquiry
1) Shaft end with parallel key to G81096-
79 form A
2) See pages 36 to 38 for fittinc of
hollow shaft units.
Induction CHINAMFG is used for smelting or insulating ferrous metals, non-ferrous metals, sponge iron, such as scrap iron, scrap steel, copper, aluminum and so on. Complete working equipment such as continuous casting machine, rolling mill, mainly us ed for The production of billet, steel bar, angle steel, H-beam, I-beam, etc. Using KGPS, IGBT, single or double power supply technology, PLC (Siemens) can be realized throughout the monitoring. Main supply list: 2 sets of electric CHINAMFG body, 2 sets of hydraulic or mechanical tilting electric CHINAMFG mechanism, 1 set of control platform, 1 set of intermediate frequency control cabinet (6 pulse 1, 12 pulse 2, 24 pulse 4), low voltage control cabinet (6 pulse 1, 12 pulse 2, 24 pulse 4), 1 set of capacitor cabinet, 4 or 8 water-cooled cables; 1 water temperature alarm, 1 leakage alarm; 1 crucible mold, 1 liquid One batch of pressure steel pipe, 1 set of copper row, 3 water tanks. Transformer, cooling tower, CHINAMFG builder, CHINAMFG CHINAMFG ejector, CHINAMFG cover. KGSP Induction Electric Furnace GW-8-4000-0.5J KGSP Induction Electric Furnace GW-1-750-1JJ Medium frequency coreless electric furnace GW-50-22000-0.2J No induction melting furnace GW-0.25-160-1JJ melting electric furnace GW-1.5-1000-1J Medium frequency induction furnace
Note: for routine configuration. Other configurations can be added, such as leak alarm, water temperature alarm, CHINAMFG switch, cover mechanism, CHINAMFG ejector and transformer, cooling device (open and close cooling tower, closed cooling tower, plate heat exchanger) 3) If necessary, send technicians to carry out the commissioning: the domestic section is free; the overseas section travel expenses, accommodation and food are borne by the user and each person is subsidized 150 US dollars per day. 4) I quote EX- W at a price including simple packing, including shipping charges to ZheJiang port area and all inland charges in China. V) The above electric CHINAMFG voltage levels are 380V, 690V and 950/1000V, and the frequency is 50HZ. If the user equip ment requirements are different from the above voltage levels and frequencies, each item needs to be increased by 15000USD. |
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Project name | Process parameters | |||
Dry bulb temperature | i | C | 31.5 | |
Wet bulb temperature | t | C | 15.7 | |
Atmospheric pressure | P | kPa | 99.4 | |
Air density | c | kg/ m3 | 1.14 |
Large gear units against enquiry
1) Shaft end with parallel key to G81096-
79 form A
2) See pages 36 to 38 for fittinc of
hollow shaft units.
Large gear units against enquiry
1) Shaft end with parallel key to G81096-
79 form A
2) See pages 36 to 38 for fittinc of
hollow shaft units.
Shipping Cost:
Estimated freight per unit. |
To be negotiated |
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Application: | Motor |
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Hardness: | Soft Tooth Surface |
Installation: | 90 Degree |
Customization: |
Available
| Customized Request |
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Can a Worm Gearbox be Used for High-Speed Applications?
Worm gearboxes are generally not recommended for high-speed applications due to their inherent design characteristics. Here’s why:
- Efficiency: Worm gearboxes tend to have lower efficiency compared to other gearbox types, which means they can generate more heat and experience more energy loss at high speeds.
- Heat Generation: The sliding contact between the worm and worm wheel in a worm gearbox can lead to significant friction and heat generation, especially at high speeds. This heat can cause thermal expansion, affecting the gearbox’s performance and longevity.
- Wear and Noise: High speeds can exacerbate wear and noise issues in worm gearboxes. Increased friction and wear can lead to faster degradation of components, resulting in reduced lifespan and increased maintenance needs.
- Backlash: Worm gearboxes may have higher backlash compared to other gearbox types, which can impact precision and accuracy in high-speed applications.
While worm gearboxes are more commonly used in applications requiring high torque and moderate speeds, they may not be the best choice for high-speed scenarios. If high-speed operation is a requirement, other gearbox types such as helical, spur, or planetary gearboxes are often better suited due to their higher efficiency, lower heat generation, and reduced wear at elevated speeds.
Worm Gearbox vs. Helical Gearbox: A Comparison
Worm gearboxes and helical gearboxes are two popular types of gear systems, each with its own set of advantages and disadvantages. Let’s compare them:
Aspect | Worm Gearbox | Helical Gearbox |
Efficiency | Lower efficiency due to sliding friction between the worm and worm wheel. | Higher efficiency due to rolling contact between helical gear teeth. |
Torque Transmission | Excellent torque transmission and high reduction ratios achievable in a single stage. | Good torque transmission, but may require multiple stages for high reduction ratios. |
Noise and Vibration | Generally higher noise and vibration levels due to sliding action. | Lower noise and vibration levels due to smoother rolling contact. |
Backlash | Higher inherent backlash due to the design. | Lower backlash due to meshing of helical teeth. |
Efficiency at Higher Speeds | Less suitable for high-speed applications due to efficiency loss. | More suitable for high-speed applications due to higher efficiency. |
Overload Protection | Natural self-locking feature provides some overload protection. | May not have the same level of inherent overload protection. |
Applications | Commonly used for applications requiring high reduction ratios, such as conveyor systems and heavy-duty machinery. | Widely used in various applications including automotive transmissions, industrial machinery, and more. |
Both worm and helical gearboxes have their place in engineering, and the choice between them depends on the specific requirements of the application. Worm gearboxes are preferred for applications with high reduction ratios, while helical gearboxes are chosen for their higher efficiency and smoother operation.
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.
- Lubrication: Proper lubrication can reduce friction and play a role in minimizing backlash. Use a lubricant that provides good film strength and reduces wear.
- Maintenance: 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 2023-09-28