China high quality High Precision Grinding of Hard Tooth Surface Spur Gear for Machine Tools cycle gear

Product Description


CNC Machining, turning,milling, lathe machining, boring, grinding, drilling,broaching, stamping,etc…

Surface treatment:

Clear/color anodized; Hard anodized; Powder-coating;Sand-blasting; Painting;    

Nickel plating; Chrome plating; Zinc plating; Silver/gold plating; 

Black oxide coating, Polishing etc…

Gerenal Tolerance:(+/-mm)

Gear grade :7Gread (ISO)

Run Out:0.005mm


ID/OD Grinding: 0.002

Roughness : Ra 0.05 Rz 0.2


IATF 16949, ISO140001


16 years of  machining products

Packaging :

Standard: carton with plastic bag protecting

For large quantity: pallet or wooden box as required

Lead time :

In general:30-60days

Term of Payment:

T/T,  L/C, etc

Minimum Order:

Comply with customer’s demand

Delivery way:

Express(DHL,Fedex, UPS,TNT,EMS), By Sea, By air, or as required

ZheZheJiang nlead Precision Co., Ltd. which focuses on CNC machining, including milling, turning, auto-lathe turning,holing,grinding, heat treatment from raw materials of bars, tube, extruded profiles, blanks of cold forging & hot forging, aluminum die casting.
We provide one-stop service, from professional design analysis, to free quote, fast prototype, IATF16949 & ISO14001 standard manufacturing, to safe shipping and great after-sales services.During 16 years, we have win lots of trust in the global market, most of them come from North America and Europe.
Now you may have steady customers, and hope you can keep us in  the archives to get more market news.
Sunlead produce all kinds of machining parts according to customer’s drawing, we can produces stainless steel Turned parts,carbon steel Turned parts, aluminum turned parts,brass & copper turned parts.
Please feel free to send inquiry to us, and our professional sales manager will get back to you ASAP!

Q1: How can I get the samples?
A: If you need some samples to test, you should pay for the transportation freight of samples and our samples cost.
Q2: Can we have our marking,Logo or company name to be printed on your products or package?
A: Sure. Your marking,logo,or company name can be put on your products by Laser machine
Q3: How to order?
A: Please send us your purchase order by Email, or you can ask us to send you a Performa invoice for your order. We need to know the following information for your order.
1) Product information-Quantity, Specification ( Size, Material, Technological and Packing requirements etc.)
2) Delivery time required
3) Shipping information-Company name, Street address, Phone&Fax number, Destination sea port.
4) Forwarder’s contact details if there’s any in China.
Q4: When can you get the price?
We usually quote within 48 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell us in your email so that we will regard your inquiry priority. Kindly note that if your inquiry is with more details then the price we quote will be more accurate
.Q5: How can you get a sample to check our quality?
After price confirmation, you can require for samples to check our quality
.Q6: What kind of files do we accept for drawing?
Q7: What about the lead time for mass production?
Honestly, it depends on the order quantity and the season you place the order. Generally speaking,it would need about 30-60days to finish the sample.
Q8: What is our terms of delivery?
We accept EXW, FOB, CFR, CIF, DDU, DDP, etc. You can choose the 1 which is the most convenient or cost effective for you.


After-sales Service: Yes
Warranty: Yes
Type: Shaft
US$ 2.5/Piece
1 Piece(Min.Order)


Order Sample

According to requirement


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

What are the environmental considerations when using spur gears?

When using spur gears, there are several environmental considerations to keep in mind. Here’s a detailed explanation:

1. Lubrication:

Proper lubrication is essential for the efficient and reliable operation of spur gears. However, the choice of lubricant can have environmental implications. It is important to select lubricants that are environmentally friendly, such as biodegradable or non-toxic lubricants. These lubricants minimize the risk of contaminating soil, water, or air during gear operation or maintenance.

2. Material Selection:

The choice of gear materials can also have environmental implications. Opting for materials that are recyclable or made from recycled content can reduce the environmental impact associated with gear production and end-of-life disposal. Additionally, selecting materials with low toxicity and minimal environmental harm during their lifecycle is important for sustainable gear manufacturing.

3. Energy Efficiency:

Efficient gear design and operation contribute to energy conservation and decreased environmental impact. By optimizing gear design, tooth profiles, and lubrication, it is possible to minimize power losses and increase overall gear system efficiency. This, in turn, reduces energy consumption and the associated environmental footprint.

4. Noise and Vibration:

Spur gears can generate noise and vibration during operation, which can have environmental implications, especially in noise-sensitive or residential areas. Implementing noise reduction measures such as gear tooth profiling, proper lubrication, and noise dampening techniques can help minimize the environmental impact of gear-induced noise and vibration.

5. Maintenance and End-of-Life Disposal:

Proper maintenance practices play a crucial role in minimizing the environmental impact of spur gears. Regular inspection, cleaning, and lubrication can prolong gear life, reduce the need for replacements, and minimize waste generation. Additionally, when spur gears reach the end of their life cycle, it is important to dispose of them responsibly, considering recycling options and proper waste management practices.

6. Environmental Regulations and Compliance:

When using spur gears, it is crucial to stay informed about relevant environmental regulations and standards. Different regions or industries may have specific requirements regarding lubricants, materials, noise emissions, or waste disposal. Adhering to these regulations ensures compliance and minimizes the environmental impact of gear usage.

7. Life Cycle Assessment (LCA):

Conducting a life cycle assessment of spur gears helps evaluate their overall environmental impact. LCA considers the environmental implications of gear production, use, maintenance, and disposal. It provides insights into potential environmental hotspots, allowing for targeted improvements in gear design, material selection, and operational practices.

By considering these environmental considerations and adopting sustainable practices throughout the life cycle of spur gears, it is possible to minimize their environmental impact and promote more environmentally friendly gear systems.

spur gear

What is the lifespan of a typical spur gear?

The lifespan of a typical spur gear can vary significantly depending on several factors. Here’s a detailed explanation:

The lifespan of a spur gear is influenced by various factors, including:

  • Operating Conditions: The conditions under which the spur gear operates greatly impact its lifespan. Factors such as the magnitude and frequency of the applied loads, operating temperature, speed, and lubrication quality play a significant role. Gears operating under heavy loads, high speeds, or harsh environments may experience higher wear and fatigue, potentially reducing their lifespan.
  • Material Selection: The material used for constructing the spur gear affects its durability and lifespan. Spur gears are commonly made from materials such as steel, cast iron, bronze, or polymer composites. The specific material properties, including hardness, strength, and resistance to wear and corrosion, influence the gear’s ability to withstand the operating conditions and determine its lifespan.
  • Quality of Manufacturing: The quality of manufacturing processes and techniques employed during the production of the spur gear can impact its lifespan. Gears manufactured with precision, accurate tooth profiles, and proper heat treatment are more likely to have longer lifespans compared to those with manufacturing defects or poor quality control.
  • Lubrication and Maintenance: Proper lubrication is crucial for reducing friction, wear, and heat generation in spur gears. Regular maintenance practices, including lubricant replacement, gear inspections, and addressing any issues promptly, can significantly extend the lifespan of the gears. Inadequate lubrication or neglecting maintenance can lead to premature wear and failure.
  • Load and Stress Distribution: The design and configuration of the gear system affect the load and stress distribution on the spur gears. Proper gear design, including tooth profile, number of teeth, and gear arrangement, helps ensure even load distribution and minimizes localized stress concentrations. Well-designed supporting components, such as bearings and shafts, also contribute to the overall lifespan of the gear system.

It is challenging to provide a specific lifespan for a typical spur gear since it depends on the aforementioned factors and the specific application. Spur gears can have lifespans ranging from several thousand to millions of operating cycles. Industrial gear systems often undergo regular inspections and maintenance, including gear replacement when necessary, to ensure safe and reliable operation.

It’s important to note that gear lifespan can be extended through proper care, maintenance, and adherence to recommended operating parameters. Regular inspections, monitoring of gear performance, and addressing any signs of wear or damage promptly can help maximize the lifespan of spur gears.

When assessing the lifespan of spur gears for a particular application, it is advisable to consult manufacturers, industry standards, and experts with expertise in gear design and maintenance for accurate estimations and recommendations.

spur gear

What is a spur gear and how does it work?

A spur gear is a type of cylindrical gear with straight teeth that are parallel to the gear axis. It is one of the most common and simplest types of gears used in various mechanical systems. Spur gears work by meshing together to transmit rotational motion and torque between two parallel shafts. Here’s a detailed explanation of spur gears and how they work:

A spur gear consists of two or more gears with cylindrical shapes and an equal number of teeth. These gears are mounted on parallel shafts, and their teeth mesh together to transfer rotational motion from one gear to another. The gear with power input is called the “drive gear” or “driver,” while the gear receiving the power output is called the “driven gear” or “follower.”

The key characteristics and components of spur gears include:

  • Teeth: Spur gears have straight teeth that are cut parallel to the shaft axis. The teeth are evenly spaced around the circumference of the gear. The number of teeth determines the gear ratio and affects the speed and torque transmission between the gears.
  • Pitch Diameter: The pitch diameter is the theoretical diameter of the gear at the point where the teeth mesh. It is determined by the number of teeth and the module or diametral pitch of the gear.
  • Module or Diametral Pitch: The module is a parameter used in metric gear systems, while the diametral pitch is used in imperial gear systems. They define the tooth size and spacing of the gear. The module is the ratio of the pitch diameter to the number of teeth, while the diametral pitch is the number of teeth per inch of pitch diameter.
  • 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. Common pressure angles for spur gears are 20 degrees and 14.5 degrees.
  • Meshing: Spur gears mesh by engaging their teeth, creating a point or line contact between the contacting surfaces. The teeth transfer rotational motion and torque from the drive gear to the driven gear.
  • Gear Ratio: The gear ratio is determined by the number of teeth on the drive gear and the driven gear. It defines the relationship between the input speed and the output speed. The gear ratio can be calculated by dividing the number of teeth on the driven gear by the number of teeth on the drive gear.
  • Operation: As the drive gear rotates, its teeth come into contact with the teeth of the driven gear. The contact between the teeth transfers rotational motion and torque from the drive gear to the driven gear. The meshing teeth maintain a constant speed ratio, allowing for the transmission of power between the shafts. The direction of rotation can be changed by meshing gears with an odd or even number of teeth.

Spur gears offer several advantages, including simplicity, ease of manufacture, efficiency, and reliability. They are commonly used in a wide range of applications, including machinery, automotive systems, appliances, power tools, and more.

In conclusion, spur gears are cylindrical gears with straight teeth that mesh together to transfer rotational motion and torque between parallel shafts. Their simple and efficient design makes them a popular choice for various mechanical systems.

China high quality High Precision Grinding of Hard Tooth Surface Spur Gear for Machine Tools cycle gearChina high quality High Precision Grinding of Hard Tooth Surface Spur Gear for Machine Tools cycle gear
editor by CX 2023-10-16