China Professional OEM CNC Machining/Machined/Machinery Chain Wheel Sprocket Toothed Gear top gear

Product Description

                       OEM CNC Machining/Machined/Machinery Chain Wheel Sprocket Toothed Gear

           Major Products:
           spur gear; worm gear; bevel gear; planetary gear; gear; metal gear; cycle gear; pinion gear; gear
           manufacturing; helical gear; custom gear; spiral bevel gear; rack and pinion gear; mechanical
           gears; transmission gears; rack gear; spiral gear; work gear; gear reducer; richmond gear;
           hypoid gear; gear wheels; pulleys and gears; motive gear; gear teeth; truck gear; gear system;
           involute gear.

Material

Steel:Carbon steel/ Mild steel/ Cold roll steel/ Hot roll steel
Stainless steel:SS201, SS303, SS304, SS316 etc.
Aluminium:AL5052, AL6061, AL6063,AL7075 etc

Surface Treatment

Zinc plating, Powder, Passivation, Sand blasting, Brushing & ploshing etc.

 

 

 

 

 

Processing Equipment

Large laser cutter

Bending machine

Plasma cutting machine

Punching machine

Wire cutter

CNC machining center

CNC lathe

Automatic lathe machine

Milling machine

Drilling machine

Drawing Format

pdf/.igs./.stp/x_t. etc.

Drawing Format

EXW, FOB, CIF

Packing of Sheet Metal Stamping

 

PE bag+carton box or other custom packaging

Applications

Auto Parts/Motocycle parts/Contruction Parts/Furniture Parts/Electronic Parts

       PRODUCT DESCRIPOTION
       1. CHINAMFG wheel and pinion gears and spiral bevel gears for automobile rear axle, truck, tractor
       front/rear axle and tool.
       2. Raw material: 20CrMni \22CrMo \8620 \SCM420
       Processing: Forging, normalizing, rough, machining, fine finishi, carburizing, tempering,
       annealing, accurate grinding, matching and testing, packing.
       3. The tooth surface is finished by lapping machine, the color will be silver gray
       4. Hardness about surface: HRC58-62, internal: HRC35-40.
       5. We can process gears according to customers drawing and samples.

Inspections:
3D instruments, 2D instruments, Projectors, Height Gauges, Inner diameter dial indicators, Dial gaues, 
Thread and Pin gauges, Digital calipers,Micro calipers, Thickness testers, Hardness testers Roughness 
testers, etc.( Detection accuracy to 0.001 millimetre )

 

Mininum of Quantity 100 Piece/Pieces
Unit Weight 0.5kg~300kg
Price FOB HangZhou,China,USD1.5~1.9
Packing Details Paper Box in Wooden Pallet
Delivery Time One month
Payment Terms L/C, T/T
Machining CNC or
Supply Capacity 50 Metric Tons per Month
Standard DIN,ASTM,GOST,B

 
       
Packing:
       1: Shrink film+ bulk loading
       2: Shrink film +Carton box + Pallet/ wooden case
       3: PP + Wooden case
       4: As per customers’ requirements or negotiated
 

        Q1: How can I get cnc spare parts sample?
       1. Sample fee will be free if we have in stock, you just need to pay the shipping cost is OK.
       2. The sample of your own design needs to pay for the mold set up charge. Samples production takes
       5-7 working days after set up charge received & size drawing approval.

        Q2: How to pay for the order?
       There are 4 options to pay the order: Bank Transfer; Western Union; Paypal; Payoneer. Kindly choose
       the most suitable way for you to arrange it.

        Q3: What is the shipping method?
       The samples were sent out by international airway express company like DHL, UPS, FedEx, TNT.
       Usually takes around 5-7 working days (door to door service). We arrange goods shipment via sea
       or air.

        Q4: Can you give me help if my products are very urgent?
       Yes, We can work overtime and add a few machines to produce these products if you need it urgently.

        Q5: I want to keep our design in secret, can we CHINAMFG NDA?
       Sure, we will not display any customers’ design or show to other people, we can CHINAMFG NDA.

 
 You can look through our website to find your interest or email your any questions through
 below approach! We will reply to you within 12 hours.

Shipping Cost:

Estimated freight per unit.



To be negotiated
Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car
Hardness: Hardened Tooth Surface
Gear Position: Internal Gear
Samples:
US$ 4/Piece
1 Piece(Min.Order)

|

Order Sample

machining parts
Customization:
Available

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Customized Request

worm gear

Are worm gears suitable for high-torque applications?

Worm gears are indeed well-suited for high-torque applications. Here’s a detailed explanation of why worm gears are suitable for high-torque applications:

Worm gears are known for their ability to provide significant speed reduction and torque multiplication. They consist of a threaded cylindrical gear, called the worm, and a toothed wheel, called the worm wheel or worm gear. The interaction between the worm and the worm wheel enables the transmission of motion and torque.

Here are the reasons why worm gears are suitable for high-torque applications:

  • High gear reduction ratio: Worm gears offer high gear reduction ratios, typically ranging from 20:1 to 300:1 or even higher. The large reduction ratio allows for a significant decrease in rotational speed while multiplying the torque output. This makes worm gears effective in applications that require high levels of torque.
  • Self-locking capability: Worm gears possess a unique self-locking property, which means they can hold position and prevent backdriving without the need for additional braking mechanisms. The angle of the worm thread creates a mechanical advantage that resists reverse rotation of the worm wheel, providing excellent self-locking characteristics. This self-locking capability makes worm gears ideal for applications where holding the load in place is crucial, such as in lifting and hoisting equipment.
  • Sturdy and robust design: Worm gears are typically constructed with durable materials, such as steel or bronze, which offer high strength and resistance to wear. This robust design enables them to handle heavy loads and transmit substantial torque without compromising their performance or longevity.
  • High shock-load resistance: Worm gears exhibit good resistance to shock loads, which are sudden or intermittent loads that exceed the normal operating conditions. The sliding contact between the worm and the worm wheel teeth allows for some degree of shock absorption, making worm gears suitable for applications that involve frequent or unexpected high-torque impacts.
  • Compact and space-efficient: Worm gears have a compact design, making them space-efficient and suitable for applications where size is a constraint. The compactness of worm gears allows for easy integration into machinery and equipment, even when there are spatial limitations.

It’s important to consider that while worm gears excel in high-torque applications, they may not be suitable for high-speed applications. The sliding contact between the worm and the worm wheel generates friction, which can lead to heat generation and reduced efficiency at high speeds. Therefore, worm gears are typically preferred in low to moderate speed applications where high torque output is required.

When selecting a worm gear for a high-torque application, it’s important to consider the specific torque requirements, operating conditions, and any additional factors such as speed, efficiency, and positional stability. Proper sizing, lubrication, and maintenance are also crucial to ensure optimal performance and longevity in high-torque applications.

worm gear

What are the potential challenges in designing and manufacturing worm gears?

Designing and manufacturing worm gears can present several challenges due to their unique characteristics and operating conditions. Here’s a detailed explanation of the potential challenges involved:

  1. Complex geometry: Worm gears have complex geometry with helical threads on the worm shaft and corresponding teeth on the worm wheel. Designing the precise geometry of the gear teeth, including the helix angle, lead angle, and tooth profile, requires careful analysis and calculation to ensure proper meshing and efficient power transmission.
  2. Gear materials and heat treatment: Selecting suitable materials for worm gears is critical to ensure strength, wear resistance, and durability. The materials must have good friction and wear properties, as well as the ability to withstand the sliding and rolling contact between the worm and the worm wheel. Additionally, heat treatment processes such as carburizing or induction hardening may be necessary to enhance the gear’s surface hardness and improve its load-carrying capacity.
  3. Lubrication and cooling: Worm gears operate under high contact pressures and sliding velocities, resulting in significant heat generation and lubrication challenges. Proper lubrication is crucial to reduce friction, wear, and heat buildup. Ensuring effective lubricant distribution to all contact surfaces, managing lubricant temperature, and providing adequate cooling mechanisms are important considerations in worm gear design and manufacturing.
  4. Backlash control: Controlling backlash, which is the clearance between the worm and the worm wheel, is crucial for precise motion control and positional accuracy. Designing the gear teeth and adjusting the clearances to minimize backlash while maintaining proper tooth engagement is a challenge that requires careful consideration of factors such as gear geometry, tolerances, and manufacturing processes.
  5. Manufacturing accuracy: Achieving the required manufacturing accuracy in worm gears can be challenging due to their complex geometry and tight tolerances. The accurate machining of gear teeth, maintaining proper tooth profiles, and achieving the desired surface finish require advanced machining techniques, specialized tools, and skilled operators.
  6. Noise and vibration: Worm gears can generate noise and vibration due to the sliding contact between the gear teeth. Designing the gear geometry, tooth profiles, and surface finishes to minimize noise and vibration is a challenge. Additionally, the selection of appropriate materials, lubrication methods, and gear housing design can help reduce noise and vibration levels.
  7. Efficiency and power loss: Worm gears inherently have lower efficiency compared to other types of gear systems due to the sliding contact and high gear ratios. Minimizing power loss and improving efficiency through optimized gear design, material selection, lubrication, and manufacturing accuracy is a challenge that requires careful balancing of various factors.
  8. Wear and fatigue: Worm gears are subjected to high contact stresses and cyclic loading, which can lead to wear, pitting, and fatigue failure. Designing the gear teeth for proper load distribution, selecting appropriate materials, and applying suitable surface treatments or coatings are essential to mitigate wear and fatigue issues.
  9. Cost considerations: Designing and manufacturing worm gears can be cost-intensive due to the complexity of the gear geometry, material requirements, and precision manufacturing processes. Balancing performance requirements with cost considerations is a challenge that requires careful evaluation of the gear’s intended application, performance expectations, and budget constraints.

Addressing these challenges requires a comprehensive understanding of gear design principles, manufacturing processes, material science, and lubrication technologies. Collaboration between design engineers, manufacturing experts, and material specialists is often necessary to overcome these challenges and ensure the successful design and production of high-quality worm gears.

worm gear

How do you choose the right size worm gear for your application?

Choosing the right size worm gear for your application involves considering several factors to ensure optimal performance and longevity. Here are the key considerations:

Load Requirements:

Determine the maximum load that the worm gear will need to transmit. This includes both the torque (rotational force) and the axial load (force along the axis of the gear). Calculate or estimate the peak and continuous loads that the gear will experience during operation. Consider factors such as shock loads, dynamic forces, and variations in load conditions. This information will help determine the required load-carrying capacity of the worm gear.

Gear Ratio:

Determine the desired gear ratio for your application. The gear ratio determines the speed reduction and torque multiplication provided by the worm gear system. Consider the specific requirements of your application, such as the desired output speed and the torque needed to drive the load. Select a worm gear with a gear ratio that meets your application’s requirements while considering the limitations of the available gear options.

Efficiency:

Consider the efficiency requirements of your application. Worm gears typically have lower efficiency compared to other types of gears due to the sliding action between the worm and worm wheel. If efficiency is critical for your application, choose a worm gear design and materials that offer higher efficiency, such as a double enveloping worm gear.

Space Constraints:

Evaluate the available space for the worm gear assembly in your application. Consider the dimensions of the worm gear, including the diameter, length, and mounting requirements. Ensure that the chosen worm gear can fit within the available space without compromising other components or functionality.

Speed and Operating Conditions:

Consider the operating speed and environmental conditions in which the worm gear will operate. Some worm gears have speed limitations due to factors such as heat generation and lubrication requirements. Ensure that the selected worm gear is suitable for the anticipated speed range and can withstand the temperature, humidity, and other environmental factors of your application.

Manufacturing Standards and Quality:

Select a worm gear that conforms to recognized manufacturing standards and quality requirements. Look for worm gears from reputable manufacturers that offer reliable and durable products. Consider factors such as material quality, surface finish, and precision in the gear manufacturing process.

By carefully evaluating these factors and considering the specific requirements of your application, you can choose the right size worm gear that meets your performance, load, and space requirements, resulting in a reliable and efficient gear system.

China Professional OEM CNC Machining/Machined/Machinery Chain Wheel Sprocket Toothed Gear top gearChina Professional OEM CNC Machining/Machined/Machinery Chain Wheel Sprocket Toothed Gear top gear
editor by CX 2023-10-07