China OEM MMS Stainless Steel Metal Products Sprocket Car Wheel Gear bevel spiral gear

Product Description

Q1: What information will be highly appreciated for a quotation?

A: It will be preferred if you can offer us the drawings, heat treatment and surface treatment requirements, required quantity, quoted currency (USD or EUR), or samples.

Q2: Are you a trading company or factory?

A: CHINAMFG is a factory wholesaler located in ZheJiang .

Q3: What is your terms of payment?

A: T/T 30% in advance, and 70% before shipment. We’ll show you the photos of the products and packages before you pay the balance.

Q4: Do you test all your goods before delivery?

A: Yes, CHINAMFG has adopted a strict quality management system and all the items will be inspected according to the inspection instruction with good inspection records.

Q5: Is there any customer that has assessed your quality management system?

A:Yes, CHINAMFG has passed the audit of many customers, such as Mitsubishi, CLAAS, Kardex and so on.

Q6: How does your company ensure the quality of the raw material?

A: The steels are purchased from our domestic CHINAMFG steel mills. After receiving the raw material, the steel will be inspected by spectrograph imported from Germany. Besides, the CHINAMFG number of steel will be well-managed in our ERP system to ensure the traceablity of our products.

Q7: How do you ensure the high quality of products?

A: With integral manufacturing processes, a strict quality control system and imported machines, we can manufacture high-quality products.

Q8: What are your terms of delivery?

A: EXW, FOB China Port.

Q9: How about your lead time?

A: Normally it will take 45 days after receiving your advance payment. The specific lead time depends on the items and the quantity of your order.

Q10:T/T payment Minimum order quantity:

d (Outside Diameter) MOQ
d≤50mm 500 PCS
50mm<d≤150mm 200 PCS
150mm<d≤300mm 50 PCS
300mm<d≤500mm 30 PCS
 

Our brand

GUARDX

Product

sprocket

Sprocket  Material

carbon steel,stainless steel C45/SUS304/Q235/C20/C35/Q345/16MnCr5/20CrMo/35CrMo/40Cr/42CrMo/50CrV

Teeth

9T-120T

Sprocket Size

DIN8196/JIS1802/GB1243

Processing

forging, hobbing, precision machining, heat treatment, surface treatment

OEM

SCS offers OEM service

Machining  Equipment

Air hammer//electric screw press, imported vertical and horizontal CNC lathe, imported machining center, CNC tapping center, CNC hobbing machine, CNC cylindrical grinder , welding machines, vertical and horizontal hydraulic broaching machine. automatic production lines of high-power CNC heat treatment.

Heat Treatment

Normalizing/quenching and tempering/ carburizing and quenching
/salt bath quenching/vacuum quenching/subzero treatment/liquid nitriding/gas nitriding/carbonnitriding/ QPQ treatment/high-frequency quenching.

Surface  Treatment

Zinc plated, non-chromate dacromet treatment,chromium plated, black oxide treatment, phosphorization, anodic oxidation, nickel plated

application

cover a wide range of sector including agriculture machinery, logistics warehousing,garage,food Machinery,escalator and so on.

packing

the sprocket are packed in plywood case lined with corrugated paperboard or according to customers requirement.

After-sales Service: One Year
Warranty: One Year
Condition: New
Samples:
US$ 5/Piece
1 Piece(Min.Order)

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Order Sample

Customization:
Available

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Customized Request

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

spur gear

Can spur gears be used in automotive applications?

Yes, spur gears can be used in automotive applications. Here’s a detailed explanation:

Spur gears are one of the simplest and most commonly used types of gears. They consist of cylindrical teeth that are parallel to the gear axis and mesh with each other to transmit power and motion. While other gear types like helical gears or bevel gears are often preferred in certain automotive applications, spur gears still find their place in various automotive systems and components.

1. Transmissions:

Spur gears are commonly found in manual transmissions, especially in lower gears. They are used to achieve a direct and efficient power transfer between the engine and the wheels. Spur gears in transmissions are designed to handle high torque loads and provide reliable performance.

2. Differential:

In automotive differentials, which distribute power between the wheels while allowing them to rotate at different speeds, spur gears are often employed. They are used in the differential gear train to transfer torque from the driveshaft to the wheels. The simplicity and robustness of spur gears make them suitable for this application.

3. Starter Motors:

Spur gears are commonly used in starter motors to crank the engine when starting a vehicle. They provide high torque and efficient power transmission to rotate the engine’s crankshaft and initiate the combustion process. Starter motor spur gears are designed to handle the initial load and engage smoothly with the engine’s flywheel.

4. Timing Systems:

In automotive timing systems, where precise synchronization of engine components is crucial, spur gears can be used. They are employed in timing belts or chains to drive the camshafts, ensuring proper valve timing and engine performance. Spur gears in timing systems contribute to accurate and reliable engine operation.

5. Accessories and Auxiliary Components:

Spur gears are also utilized in various automotive accessories and auxiliary components. They can be found in power window mechanisms, windshield wipers, power steering systems, and other mechanisms that require controlled and synchronized motion. Spur gears provide cost-effective and efficient power transmission for these applications.

It’s important to note that while spur gears have their advantages, they also have certain limitations. They can generate more noise and vibration compared to gears with helical or bevel tooth profiles. Additionally, spur gears are not as suitable for high-speed or high-torque applications as other gear types.

Overall, spur gears have a significant presence in automotive applications, particularly in manual transmissions, differentials, starter motors, timing systems, and various auxiliary components. Their simplicity, reliability, and cost-effectiveness make them a viable choice for specific automotive gear applications.

spur gear

What are the advantages and disadvantages of using spur gears?

Spur gears offer several advantages and disadvantages when used in mechanical systems. Here’s a detailed explanation of the advantages and disadvantages of using spur gears:

Advantages of Spur Gears:

  • Simplicity: Spur gears have a simple and straightforward design, consisting of cylindrical gears with straight teeth. Their simplicity facilitates ease of manufacturing, installation, and maintenance.
  • Efficiency: Spur gears are highly efficient in transmitting power from one shaft to another. They have minimal sliding friction between the gear teeth, resulting in high mechanical efficiency.
  • Cost-Effectiveness: Due to their simple design and ease of production, spur gears are generally more cost-effective compared to other types of gears. They are widely available and can be manufactured in large quantities at a reasonable cost.
  • Compactness: Spur gears have a compact design, making them suitable for applications where space is limited. They can be arranged in parallel or stacked configurations to achieve the desired gear ratios within a confined space.
  • High Load Capacity: Spur gears can handle high load capacities and transmit substantial amounts of torque. Their teeth are designed to distribute the load evenly across the gear face, resulting in improved load-bearing capabilities.
  • Precision: Spur gears provide precise and predictable motion due to the simplicity of their tooth engagement. This makes them suitable for applications that require accurate positioning and synchronization.

Disadvantages of Spur Gears:

  • Noisy Operation: Spur gears can produce noise during operation, especially at high speeds. The engagement of the gear teeth generates impact and vibration, resulting in noise that may require additional measures to mitigate.
  • Axial Thrust: Spur gears generate axial thrust forces along the gear shafts due to the parallel arrangement of their teeth. This thrust must be properly managed using thrust bearings or other means to prevent excessive axial loading on the gear shafts.
  • Limited Speed Ratio: Spur gears are primarily designed for applications with moderate speed ratios. They are less suitable for high-speed applications due to the limitations imposed by the tooth engagement and potential for increased noise and vibration.
  • Unidirectional Operation: Spur gears are typically designed for unidirectional power transmission. Reversing the direction of rotation can cause noise, impact, and increased wear due to the abrupt change in tooth engagement.
  • Prone to Wear: The sliding contact between the gear teeth in spur gears can result in wear over time, especially under heavy loads or inadequate lubrication. Regular maintenance and proper lubrication are necessary to minimize wear and extend gear life.

It’s important to consider these advantages and disadvantages when selecting gear types for specific applications. While spur gears are well-suited for many applications, other gear types, such as helical gears or bevel gears, may be more suitable in certain situations depending on the requirements and operating conditions.

spur gear

Can you explain the concept of straight-cut teeth in spur gears?

The concept of straight-cut teeth is fundamental to understanding the design and operation of spur gears. Straight-cut teeth, also known as straight teeth or parallel teeth, refer to the shape and arrangement of the teeth on a spur gear. Here’s a detailed explanation of the concept of straight-cut teeth in spur gears:

Spur gears have teeth that are cut straight and parallel to the gear axis. Each tooth has a uniform width and thickness, and the tooth profile is a straight line. The teeth are evenly spaced around the circumference of the gear, allowing them to mesh with other spur gears.

The key characteristics and concepts related to straight-cut teeth in spur gears include:

  • Tooth Profile: The tooth profile of a spur gear with straight-cut teeth is a straight line that extends radially from the gear’s pitch circle. The profile is perpendicular to the gear axis and remains constant throughout the tooth’s height.
  • Pitch Circle: The pitch circle is an imaginary circle that represents the theoretical point of contact between two meshing gears. For a spur gear, the pitch circle is located midway between the gear’s base circle (the bottom of the tooth profile) and the gear’s addendum circle (the top of the tooth profile).
  • Pressure Angle: The pressure angle is the angle between the line tangent to the tooth profile at the pitch point and a line perpendicular to the gear axis. It determines the force distribution between the meshing teeth and affects the gear’s load-bearing capacity and efficiency. Common pressure angles for spur gears are 20 degrees and 14.5 degrees.
  • Meshing: Straight-cut teeth in spur gears mesh directly with each other. The teeth engage and disengage along a line contact, creating a point or line contact between the contacting surfaces. This direct meshing arrangement allows for efficient power transmission and motion transfer.
  • Advantages and Limitations: Straight-cut teeth offer several advantages in spur gears. They are relatively simple to manufacture, resulting in cost-effective production. Moreover, they provide efficient power transmission and are suitable for moderate to high-speed applications. However, straight-cut teeth can generate more noise and vibration compared to certain other tooth profiles, and they may experience higher stress concentrations under heavy loads.

In summary, straight-cut teeth in spur gears refer to the straight and parallel arrangement of the gear’s teeth. The teeth have a uniform profile with a constant width and thickness. Understanding the concept of straight-cut teeth is essential for designing and analyzing spur gears, considering factors such as tooth profile, pitch circle, pressure angle, meshing characteristics, and the trade-offs between simplicity, efficiency, and noise considerations.

China OEM MMS Stainless Steel Metal Products Sprocket Car Wheel Gear bevel spiral gearChina OEM MMS Stainless Steel Metal Products Sprocket Car Wheel Gear bevel spiral gear
editor by CX 2023-10-12