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Конусна предавка

Конусните зъбни колела са зъбни колела, при които осите на двата вала се пресичат, а зъбните лагери на самите зъбни колела са конусовидни. Конусните зъбни колела най-често се монтират на валове, които са на 90 градуса един от друг, но могат да бъдат проектирани да работят и под други ъгли. Повърхността на стъпката на конусните зъбни колела е конус.

Две важни концепции в предавката са повърхността на наклона и ъгъла на наклона. Повърхността на стъпката на зъбно колело е въображаемата беззъба повърхност, която бихте имали чрез осредняване на върховете и падините на отделните зъби. Стъпката на обикновената предавка е с формата на цилиндър. Ъгълът на наклона на зъбно колело е ъгълът между лицето на повърхността на наклона и оста.

Най-познатите видове конусни зъбни колела имат ъгли на наклон под 90 градуса и следователно са конусовидни. Този тип конусни зъбни колела се наричат външни, защото зъбите на зъбните колела сочат навън. Повърхностите на стъпката на зацепените външни конусни зъбни колела са коаксиални на зъбните валове; върховете на двете повърхности са в точката на пресичане на осите на вала.

Конусните зъбни колела, които имат ъгли на наклон над деветдесет градуса, имат зъби, които сочат навътре и се наричат вътрешни конусни зъбни колела.

Конусните зъбни колела, които имат ъгли на наклон от точно 90 градуса, имат зъби, които сочат навън, успоредно на оста и приличат на върховете на короната. Ето защо този тип конусни зъбни колела се наричат коронни зъбни колела.

Скосените зъбни колела са съединени конусни зъбни колела с равен брой зъби и с оси под прав ъгъл.

Косите конусни зъбни колела са тези, при които съответното коронно зъбно колело има прави и наклонени зъби.

Конусна предавка

Bevel gears materials

 

Bevel gears can be made from various materials depending on the specific application requirements. The choice of material is crucial to ensure the gear’s durability, strength, and resistance to wear. Here are some common materials used for manufacturing bevel gears:

1. Steel: Steel is a widely used material for bevel gears due to its excellent strength, durability, and wear resistance. Different grades of steel, such as carbon steel, alloy steel, and stainless steel, can be employed based on the specific application demands.

2. Cast iron: Cast iron is another popular material choice for bevel gears, especially in applications requiring high strength and resistance to shock and vibration. It offers good wear resistance and is relatively cost-effective.

3. Bronze: Bronze, particularly phosphor bronze or aluminum bronze, is selected for applications that involve high-speed and high-load conditions. Bronze provides good resistance to wear, corrosion, and galling, making it suitable for demanding environments.

4. Aluminum: Aluminum bevel gears are commonly used in lightweight applications where weight reduction is a critical factor. Aluminum gears offer low inertia, good corrosion resistance, and are often used in industries such as aerospace and robotics.

5. Plastics: Certain plastics, such as nylon, acetal, and polyethylene, are utilized for bevel gears in applications that require low noise, low weight, and resistance to chemicals or moisture. Plastic gears can provide cost-effective solutions for less demanding applications.

Конусна предавка

Bevel gears advantages

1. Ефективно предаване на енергия

2. Versatility

3. Compact Design

4. Angular Transmission

5. Smooth and Quiet Operation

6. Load Distribution

7. Wide Range of Applications

Конусна предавка

Bevel gears applications

 

Medical Devices: Bevel gears find applications in the medical industry, particularly in medical imaging equipment, surgical robotics, and diagnostic devices. They enable precise motion control and power transmission in these critical medical applications.

Power Tools: Many power tools, including drills, saws, and grinders, utilize bevel gears for power transmission. Bevel gears help transfer power from the motor to the cutting or grinding components, providing the necessary torque and speed conversion for efficient operation.

Marine: Bevel gears are extensively used in marine propulsion systems. They can be found in boat outdrives, marine transmissions, and other marine propulsion mechanisms, enabling the transfer of power from the engine to the propeller shaft.

конусни зъбни колела
конусни зъбни колела
конусни зъбни колела

Automotive: Bevel gears are extensively used in automotive systems. They are a crucial component of the differential, which allows the wheels to rotate at different speeds while maintaining torque distribution. Bevel gears are also employed in steering systems, powertrain assemblies, and transmission systems.

Industrial Machinery: Bevel gears play a vital role in industrial machinery. They are used in machine tools, printing presses, packaging equipment, conveyors, and textile machinery. Bevel gears facilitate the transmission of power and motion between different sections of the machines.

Aerospace: Bevel gears are utilized in aerospace applications. They are employed in helicopter rotor systems, aircraft landing gear mechanisms, and various other systems where angular motion transmission is required.

конусни зъбни колела
конусни зъбни колела
конусни зъбни колела

Robotics and Automation: Bevel gears are commonly found in robotics and automation systems. They are used in robotic arm mechanisms, conveyor systems, and other automated processes that require precise angular motion transmission.

Mining and Heavy Machinery: Bevel gears are employed in mining equipment, construction machinery, and heavy-duty applications. They are utilized in excavators, loaders, crushers, and other equipment that require high torque transmission for tasks such as excavation and material handling.

Agriculture: Bevel gears are used in agricultural machinery, such as tractors, combines, and irrigation systems. They facilitate power transmission and motion control in various agricultural operations.

What is the difference between bevel gear and other gear?

 

Особеност Конусни зъбни колела Spur Gears Спирални зъбни колела Червячни предавки
Gear Teeth Orientation Intersecting shafts, angled teeth Parallel shafts, straight teeth Parallel shafts, angled teeth
Perpendicular shafts, non-intersecting teeth
Power Transmission Direction Change in direction and speed Change in speed Change in speed
Change in speed and significant torque reduction
Application Examples Angle drives, differentials, transmissions Gearboxes, conveyors, pumps Machine tools, hoists, wind turbines
Speed reducers, indexing mechanisms, crushers
Предимства Compact design, smooth power transmission Simple design, low cost, high efficiency Smooth operation, low noise
High torque reduction, self-locking
Disadvantages Limited speed range, sensitive to misalignment Limited power transmission capacity Higher cost than spur gears
Lower efficiency than other gear types
Common Materials Steel, bronze, cast iron Steel, stainless steel, plastic Steel, aluminum, bronze
Steel, bronze, cast iron
конусни зъбни колела

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Конусни зъбни колела
Конусни зъбни колела

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