Tag Archives: gearbox rubber

China Good quality High Capacity Xk400 Gearbox for Open Rubber Mixing Mill gearbox adjustment

Product Description

High Capacity XK4  
Website: jiangchi2012
 

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Application: Machinery, Agricultural Machinery, Rubber Mixing Mill
Function: Change Drive Torque, Speed Changing, Speed Reduction
Layout: Helical
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Three-Step
Customization:
Available

|

Customized Request

helical gearbox

Types of Helical Gear Arrangements

Yes, there are different types of helical gear arrangements available to suit various applications and requirements. Some of the common helical gear arrangements include:

Parallel Shaft Arrangement: In this arrangement, the axes of the driving and driven shafts are parallel to each other. It is the most straightforward configuration and is often used in applications where space is not a constraint, and the gearboxes can be placed side by side.

Right-Angle Shaft Arrangement: In a right-angle arrangement, the driving and driven shafts are positioned at a 90-degree angle to each other. This arrangement is space-saving and is commonly used in applications where the layout requires a change in direction of the power transmission.

Double Helical Gear Arrangement (Herringbone Gears): Double helical gears consist of two sets of helical teeth facing each other. This arrangement helps to cancel out axial forces and reduces the net thrust load on bearings. It is often used in heavy-duty applications to minimize wear and vibration.

Crossed Helical Gear Arrangement (Screw Gears): In this configuration, the axes of the driving and driven shafts are neither parallel nor intersecting. It is suitable for applications requiring non-parallel and non-intersecting shafts.

The choice of helical gear arrangement depends on factors such as available space, power transmission requirements, and the desired layout of the machinery or equipment. Each arrangement has its advantages and disadvantages, and selecting the appropriate one is crucial for achieving optimal performance and efficiency.

helical gearbox

Safety Precautions for Operating Machinery with Helical Gear Systems

When operating machinery equipped with helical gear systems, it’s crucial to prioritize safety to prevent accidents and ensure the well-being of operators and equipment. Here are the key safety precautions to consider:

  • Training and Familiarity: Operators should receive proper training on the equipment’s operation, including the helical gear system. They should be familiar with the controls, emergency procedures, and potential hazards.
  • Protective Gear: Operators should wear appropriate personal protective equipment (PPE), such as gloves, safety glasses, helmets, and ear protection, depending on the application’s requirements.
  • Lockout/Tagout: Before performing maintenance or repairs, follow lockout/tagout procedures to isolate the machinery from its power source and prevent accidental startup.
  • Regular Inspections: Conduct routine inspections of the helical gear system and other machinery components to identify signs of wear, damage, or malfunction. Address any issues promptly to avoid unsafe conditions.
  • Proper Lubrication: Ensure the helical gear system is adequately lubricated according to manufacturer recommendations. Proper lubrication reduces friction, wear, and heat buildup, enhancing both performance and safety.
  • Emergency Stop: Machinery should be equipped with clearly marked emergency stop buttons or switches that operators can use to halt operations immediately in case of an emergency.
  • Cleaning and Housekeeping: Maintain a clean work environment by removing debris, oil spills, and other potential hazards. Good housekeeping minimizes slip and trip hazards and promotes safe operation.
  • Load Capacity: Adhere to the recommended load capacities specified by the manufacturer for both the helical gear system and the machinery as a whole. Overloading can lead to accelerated wear and potential failures.
  • Avoid Loose Clothing: Operators should avoid wearing loose clothing, jewelry, or other items that could become entangled in the machinery, leading to accidents.
  • Safe Working Distances: Establish safe working distances from moving parts of the machinery, including the helical gear system, to prevent accidental contact and ensure operator safety.
  • Regular Maintenance: Follow the manufacturer’s maintenance schedule and guidelines for the helical gear system. Regular maintenance reduces the risk of unexpected failures and promotes safe and reliable operation.

Prioritizing safety when operating machinery with helical gear systems is essential to prevent accidents, protect operators, and maintain efficient operations. Following these precautions and promoting a safety-conscious culture can significantly contribute to a safe working environment.

helical gearbox

Limitations and Disadvantages of Helical Gear Systems

While helical gear systems offer numerous advantages, they also come with certain limitations and disadvantages:

  • Axial Thrust: Helical gears generate axial thrust due to the helix angle of the teeth. This thrust can cause additional load on bearings and may require additional measures to counteract.
  • Complex Manufacturing: The manufacturing process for helical gears is more complex than that of straight-toothed gears, which can lead to higher production costs.
  • Axial Length: Helical gears require more axial space compared to spur gears with the same gear ratio. This can be a limitation in applications with space constraints.
  • Sliding Contact: Helical gears have sliding contact between their teeth, which can result in higher friction and more heat generation compared to rolling contact gears.
  • Efficiency: Although helical gears are generally efficient, their efficiency can be slightly lower than that of some other gear types, especially at high speeds.
  • Complexity in Gearbox Design: The inclination of helical gear teeth introduces additional complexity in gearbox design and alignment.
  • Reverse Thrust: In some cases, reverse thrust can occur when helical gears are subjected to high axial loads, leading to undesirable effects.

It’s important to consider these limitations and disadvantages when selecting gear systems for specific applications. Despite these challenges, helical gears remain a popular choice in various industries due to their benefits and overall performance characteristics.

China Good quality High Capacity Xk400 Gearbox for Open Rubber Mixing Mill   gearbox adjustment	China Good quality High Capacity Xk400 Gearbox for Open Rubber Mixing Mill   gearbox adjustment
editor by CX 2023-12-25

China Best Sales Sm / Xm Series Gearbox for Rubber and Plastic Banbury Mixer comer gearbox

Product Description

SM / XM Series Gearbox For Rubber and Plastic Banbury Mixer 

Company Information 
     Established in 1979, HangZhou Gearbox Manufacturing Co., Ltd.  is located in National High-tech Development Zone of HangZhou, ZheJiang , China.  With more than 38 years’ experience in research and development of gear transmission products, the factory covers an area of 87,000 square meters.  ISO9001certified in 1999, we have high qualified R&D engineer team and manufacturing talents as well as first-class processing and testing equipments.

Specifications

High carry capacity, stable drive, low noise and high efficiency

SM, XM series gearbox is a special mechanical drive device designed to match with plastic and rubber mixer. The main parts are made of high strength alloy steel. The gears are manufactured by way of carburizing quenching hardening, and gear grinding. Its precision is up to Grade 6 (GB10095-88). Thrust bearing with over-specification is mounted on the front end of hollow output shaft to accommodate screw back pressure forces. The whole unit is small volume, high carry capacity, stable drive, low noise and high efficiency.

 
 
FAQ
 Are you trading company or manufacturer?
A: We are manufacturer with over 38 years experience.
Q: How long is your delivery time?
A: Generally it is within 10 days if the goods are in stock, for goods produced as per order, it is within 35 days after confirmation of order.
Q: How long should I wait for the feedback after I send the enquiry?
A: Normally within 12 hours.
Q: What information should I give you to confirm the product?
A: Model/Size, Transmission Ratio, Speed, Shaft directions & Order quantity etc.
Q: Hong long is your product warranty?
A: We offer 12 months warranty from departure date of the goods.
Q: What is your payment terms?
 T/T 100% in advance for amount less than USD10000.-, 30% T/T in advance , balance before shipment for amount above USD10000.-
  If you have any other questions, please feel free to contact us below:
 
HOW TO CONTACT US?
Send your Inquiry Details in the Below, click “Send” Now!
Also you can contact us through following ways:
 
   
 
Website:
 
 

Application: Machinery, Agricultural Machinery, Rubber and Plastic Mixing
Function: Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction
Layout: Helical
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Four-Step
Customization:
Available

|

Customized Request

helical gearbox

Role of Helical Gearboxes in Automotive Transmissions

Helical gearboxes play a crucial role in automotive transmissions, contributing to the efficient power transfer and smooth operation of vehicles:

  • Power Transmission: Helical gearboxes are used to transmit power from the engine to the wheels through different gear ratios. They help in converting the high-speed, low-torque output of the engine into the appropriate speed and torque for the wheels.
  • Smooth Shifting: In manual and automatic transmissions, helical gears are often used to provide smooth and quiet gear shifts. The gradual engagement of helical gear teeth helps in reducing the shock and noise associated with gear changes.
  • Noise Reduction: Helical gears are known for their quieter operation compared to other gear types. This is especially important in automotive applications where minimizing noise and vibration is desired for a comfortable driving experience.
  • Efficiency: The efficiency of helical gearboxes helps in optimizing fuel efficiency and reducing energy losses. This is crucial for improving the overall performance and economy of vehicles.
  • Load Distribution: Helical gears distribute the load over multiple teeth, reducing wear and ensuring the gearbox’s longevity. This is important in vehicles that experience varying loads and driving conditions.
  • Torque Handling: Helical gears can handle higher torque loads compared to some other gear types. This is essential for vehicles, especially those with powerful engines, towing capabilities, or off-road use.

In modern automotive transmissions, helical gearboxes can be found in various components, including the main transmission, differential, and gearbox synchronizers. They contribute to the smooth operation, improved fuel efficiency, and overall performance of vehicles. The design and arrangement of helical gears can be tailored to meet the specific requirements of different vehicle types, making them a versatile choice for automotive applications.

helical gearbox

Relationship Between Helix Angle and Load Capacity in Helical Gears

The helix angle of helical gears plays a significant role in determining their load-carrying capacity and overall performance. Here’s the relationship between the helix angle and load capacity:

1. Load Distribution: The helix angle affects how the load is distributed along the gear teeth. A larger helix angle results in a more gradual tooth engagement, allowing for smoother load sharing across multiple teeth. This improves the gear’s ability to handle higher loads.

2. Contact Ratio: The contact ratio, which indicates the number of teeth in contact at any given time, increases with a larger helix angle. A higher contact ratio helps distribute the load over a larger area of the gear teeth, enhancing load-carrying capacity.

3. Tooth Meshing: The helix angle affects how the teeth mesh with each other. A higher helix angle promotes gradual and smoother meshing, reducing the concentration of stress on individual teeth. This results in improved resistance to wear and fatigue.

4. Axial Thrust: Helical gears produce axial thrust due to their helical nature. This thrust can affect the gear’s ability to handle radial loads. Proper consideration of the helix angle can help manage axial thrust and prevent overloading.

5. Lubrication: The helix angle affects the lubrication conditions between gear teeth. A larger helix angle may allow better oil flow and lubrication, reducing friction and wear, thereby enhancing load capacity.

6. Noise and Vibration: The helix angle also influences noise and vibration levels in helical gears. Optimal helix angle selection can minimize noise and vibration, contributing to smoother operation and prolonged gear life.

Optimal Helix Angle Selection: While a larger helix angle generally increases load capacity, it’s important to strike a balance. Extremely large helix angles can lead to reduced tooth strength and efficiency. Engineers consider factors like application requirements, tooth strength, and noise considerations when selecting the optimal helix angle for a specific gear design.

The relationship between the helix angle and load capacity underscores the importance of proper gear design to ensure optimal performance, durability, and reliability in various applications.

helical gearbox

Helical Gear Meshing and Its Benefits

Helical gear meshing refers to the engagement of two helical gears with inclined teeth. The teeth are cut at an angle to the gear axis, creating a helix shape. When these gears mesh, the inclined teeth gradually come into contact, allowing for smoother and quieter operation compared to straight-toothed gears.

The benefits of helical gear meshing include:

  • Reduced Noise: The gradual contact between helical gear teeth minimizes impact and noise during engagement, resulting in quieter operation. This is particularly advantageous in applications where noise reduction is essential, such as industrial machinery and automotive transmissions.
  • Smooth Operation: Helical gears provide smoother and more continuous motion due to the gradual engagement of teeth. This feature makes them suitable for applications that require precise and controlled movement, such as CNC machines and conveyor systems.
  • Higher Load Capacity: The helical tooth geometry allows for greater tooth contact area, distributing the load over a larger surface. This results in higher load-carrying capacity and improved durability, making helical gears suitable for heavy-duty applications.
  • Efficient Power Transmission: Helical gears transmit power more efficiently due to their smooth engagement and increased contact area. This efficiency contributes to reduced energy consumption and heat generation in gearboxes.
  • Less Vibrations: The gradual meshing of helical gears reduces vibrations, resulting in smoother operation and reduced wear and tear on gear teeth and bearings. This is especially important for extending the lifespan of the gearbox.

Overall, helical gear meshing offers numerous benefits, including reduced noise, smoother operation, higher load capacity, efficient power transmission, and reduced vibrations. These advantages make helical gears a popular choice in various industrial applications where performance, durability, and reliability are crucial.

China Best Sales Sm / Xm Series Gearbox for Rubber and Plastic Banbury Mixer   comer gearbox	China Best Sales Sm / Xm Series Gearbox for Rubber and Plastic Banbury Mixer   comer gearbox
editor by CX 2023-11-16

China OEM Rubber Plastic Single Screw Extrusion Extruder Industrial Gear Unit Reducer Gearbox gearbox drive shaft

Product Description

Rubber Plastic Single Screw Extrusion Extruder Industrial Reducer Gearbox

1. Description

 

It is a kind of special gearbox researched and developed by importing the most advanced technology of the hard teeth-surface in the world. For recent 10 years, they have been widely used in top and middle grade plastic, rubber and chemical fiber extruders, sold well in the domestic and exported to other countries. 

2. Product Features

1). High strength alloy steel gear surface and thrust block specially designed for plastic screw extruder

2). Noise Level: Low type 65-80 db, smooth and stable in running

3). Compact, high in bearing capacity, stable in transmission, high efficiency

4). By forced lubrication and cooling system.

5). Bearing: Chinese famous brand bearing. But other brand bearing is a aviable if need.

6). Unique modular design easy for cross country production, low stock, short delivery time.

7). The seal of output shaft part adopts double oil seal with perfect oil leaking resistance.Reliable sealing and more widely applicable to industry.

3. Technical Parameters

ZLYJ series

Ratio Range

Input Power (KW)

Input speed (RPM)

Output speed (RPM)

Output Torque (N.M)

Axial Thrust(KN)

Screw Diameter(mm)

112

8/10/12.5

5.5

800

100

510

35

Ø35

133

8/10/12.5/14/16/18/20

8

800

100

764

39

Ø50/45

146

8/10/12.5/14/16/18/20

11

1000

100

1050

54

Ø55

173

8/10/12.5/14/16/18/20

18.5

900

90

1962

110

Ø65

200

8/10/12.5/14/16/18/20

30

1000

80

3581

155

Ø75

225

8/10/12.5/14/16/18/20

45

1000

80

5371

180

Ø90

250

8/10/12.5/14/16/18/20

55

1120

70

7503

192

Ø105

280

8/10/12.5/14/16/18/20

75

960

60

7643

258

Ø110/105

315

8/10/12.5/14/16/18/20

85

960

60

13528

287

Ø120

330

8/10/12.5/14/16/18/20

110

960

60

17507

360

Ø130/150

375

8/10/12.5/14/16/18/20

132

960

60

21008

390

Ø150/160

420

8/10/12.5/14/16/18/20

170

960

60

26995

430

Ø165

450

8/10/12.5/14/16/18/20

212

1200

60

33745

540

Ø170

500

8/10/12.5/14/16/18/20

288

1200

60

45840

756

Ø180

560

8/10/12.5/14/16/18/20

400

1200

60

63667

830

Ø190

630

8/10/12.5/14/16/18/20

550

1200

60

87605

880

Ø200

4.Dimension

 

 

5.Configuration

 

 

 

Company Overview
  

Certificates

About Greensky Mechanical
 
HISTORY: Greensky is a mechanical brand of CZPT Power Co., Ltd. With over 10 years’
mechanical manufacturing experiences, CZPT Power always strictly stands on the
principle of Best Customer Satisfaction.

QUALITY: Material Inspection, Production Control, Finished Goods Test, Pre-dellivery Inspection

MISSION: “Once and forever” is our goal to serve customers in the world. Once we do
business with customer, we will do business forever.

MARKET30 different countries, mainly Germany, Austria, Japan, USA and Middle-East.

DELIVERY100% on-time delivery Guaranteed.

SERVICESFast response in English, German, Japanese and Chinese languages.

OEMCustomized orders are welcome at CZPT Power.

Exhibitions

 

FAQ

1 Q:What infomation should I tell you to confirm the gearbox?
A: Photo or drawing B:Power and output speed C:Service factor D:Order quantity.

2 Q: What if I don’t know which gearbox I need?
A:Don’t worry, please tell us about such information as power, torque, output speed, dimension and drawing, our team will help you find the right one.

3 Q:How long should I wait for the feedback after I send the enquiry?
A: Within 12 hours.

4 Q:What is your product warrenty period of gearboxes?
A:We offer at least 1 year warrenty.

5 Q:What industries are your gearboxes applied to?
A: They are widely used in the areas like plastic, rubber, crane, conveyor, etc.

6. Q:How to delivery:
A: By sea  – Our sales team find suitable forwarder for buyers.
     By air    – Buyer offer collect express account, or our sales team find suitable express for buyers.      (Mostly for sample)
     Others – We arrange to deliver goods to some place in China appointed by buyers.

We hope you will enjoy cooperating with us.

Application: Plastic Extruder
Function: Change Drive Torque
Layout: Helical
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Double-Step
Samples:
US$ 500/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

helical gearbox

Key Factors for Selecting a Helical Gearbox

Choosing the right helical gearbox for an application involves considering several key factors:

  • Load and Torque: Evaluate the maximum load and torque requirements to ensure the gearbox can handle the application’s demands.
  • Speed Range: Determine the required speed range and ensure the gearbox’s gear ratios can accommodate it.
  • Efficiency: Helical gearboxes are known for their high efficiency. Select a gearbox with efficiency ratings that meet your application’s needs.
  • Space Constraints: Consider the available installation space and choose a compact gearbox that fits within the available dimensions.
  • Mounting Position: The mounting position affects lubrication, cooling, and overall performance. Ensure the gearbox is suitable for the desired mounting orientation.
  • Service Life: Choose a gearbox with a service life that matches your application’s expected lifespan.
  • Backlash: Evaluate the allowable backlash, which affects precision and positioning accuracy.
  • Noise and Vibration: Assess the acceptable noise and vibration levels and choose a gearbox with suitable characteristics.
  • Environmental Conditions: Consider factors like temperature, humidity, and dust levels to ensure the gearbox can operate reliably in the application environment.
  • Maintenance: Factor in maintenance requirements and choose a gearbox with manageable maintenance needs.
  • Cost: Balance performance with budget constraints to find a gearbox that offers the best value for your application.

By carefully evaluating these factors, you can select a helical gearbox that optimally meets your application’s requirements and ensures efficient and reliable operation.

helical gearbox

Materials Used in Manufacturing Helical Gears

Helical gears are commonly manufactured using a variety of materials to meet specific requirements for strength, durability, wear resistance, and other mechanical properties. Some of the materials commonly used for manufacturing helical gears include:

  • Steel: Various types of steel, such as carbon steel, alloy steel, and stainless steel, are frequently used due to their high strength, durability, and wear resistance. They are suitable for a wide range of applications and provide excellent performance.
  • Cast Iron: Cast iron gears are known for their cost-effectiveness and good wear resistance. They are often used in applications where heavy loads and moderate speeds are involved.
  • Brass: Brass gears are chosen for applications that require quiet operation and low-speed applications. They offer good corrosion resistance and are commonly used in smaller machinery.
  • Bronze: Bronze gears are valued for their excellent wear resistance and compatibility with lubricants. They are often used in heavy-duty applications and situations where high loads are encountered.
  • Plastics and Polymers: Certain plastic materials, such as nylon and acetal, are used for gears that require low noise levels and resistance to chemicals and corrosion. They are suitable for applications where lightweight components are essential.
  • Aluminum: Aluminum gears are lightweight and corrosion-resistant, making them suitable for applications where weight reduction and corrosion resistance are priorities.

The choice of material depends on factors such as the application’s load, speed, environment, and desired performance characteristics. Manufacturers select materials that best align with the specific requirements of the helical gear system, ensuring optimal function and longevity.

helical gearbox

Helical Gearbox: Overview and Working Mechanism

A helical gearbox is a type of mechanical device used to transmit power and motion between rotating shafts. It employs helical gears, which are cylindrical gears with teeth that are cut at an angle to the gear axis. This design feature gives helical gearboxes their distinctive helical shape and provides several advantages in terms of efficiency, smoothness, and load-bearing capabilities.

The working mechanism of a helical gearbox involves the interaction of helical gears, which mesh together to transmit torque and motion. Here’s how it works:

  1. Gear Tooth Engagement: When power is applied to the input shaft of the gearbox, the helical gear on the input shaft meshes with the helical gear on the output shaft.
  2. Helical Angle: The helical angle of the gear teeth causes a gradual engagement between the teeth, resulting in a smooth and quiet meshing process compared to straight-cut gears.
  3. Torque Transfer: As the input gear rotates, it transfers rotational force (torque) to the output gear through the meshing of their helical teeth.
  4. Direction of Rotation: Depending on the arrangement of the helical gears, the output shaft’s direction of rotation can be the same as or opposite to that of the input shaft.
  5. Load Distribution: The helical design allows for multiple teeth to be engaged at any given moment, distributing the load more evenly across the gears. This results in higher load-carrying capacity and reduced wear on gear teeth.
  6. Efficiency: Helical gearboxes are known for their high efficiency due to the gradual tooth engagement and larger contact area, resulting in minimal energy loss as compared to other gear types.

Helical gearboxes find applications in various industries where smooth operation, high efficiency, and compact design are important. They are commonly used in machinery, conveyors, automotive transmissions, industrial equipment, and more.

China OEM Rubber Plastic Single Screw Extrusion Extruder Industrial Gear Unit Reducer Gearbox   gearbox drive shaft	China OEM Rubber Plastic Single Screw Extrusion Extruder Industrial Gear Unit Reducer Gearbox   gearbox drive shaft
editor by CX 2023-10-19