Product Description
OEM CNC Machinery Wholesale Double Spur Gear Part Fabrication Plastic Gears for Toys
Product Description
1. Precision CNC machining parts strictly follow customer’s drawing,packing and quality requirement.
2. Tolerance: between+/-0.01mm;
3. The high-tech CMM inspector to ensure the quality;
4. Full-Experienced engineers and well professional trained workers;
5. Fast delivery time;
6. Professional advice for our customers;
Detailed Photos
Product Parameters
Our advantage of cnc machining:
| Business Type | Beyond the Manufacturer and strong organized ability in the industrial |
| Benefits | 1. Deeper industrial experience at CNC machining parts service for more than 10-years,our customer’s requirement is our 1st priority. 2. 2D or 3D files is available; 3. We trust the quality priority and we insist the good quality should be based on the customers’ satisfied; 4. Without any MOQ requirement; 5.Faster delivery time; 6. Customized size and specification /OEM available 7. Near ZheJiang Port |
The material
| Material System | Material Composition | Typical Applications |
| Low Alloy Steel | Fe-2Ni , Fe-8Ni | Automobile,machinery and other industries,particularly in structural parts |
| Stainless Steel | 316L,17-4PH,420,440C | Medical equipments, clocks,watches |
| Carbide | WC-Co | Various tools,clocks,watches |
| Ceramic | Al2O3 ,ZrO2 ,SiO2 | IT electronics, daily necessities,watches |
| Heavy Alloys | W-Ni-Fe,W-Ni-Cu,W-Cu | The arms industry, communications,daily necessities |
| Titanium | Ti,Ti-6Al-4V | Medical and firearm structural parts |
| Magnetic Materials | Fe,NdFeB,SmCo5,Fe-Si | Magnetic properties of the various components |
| Tool Steel | CrMo4,M2 | Tools |
| Table 2 Typical properties of several MIM materials: | |||||
| Materials | Density | Hardness | Tensile Strength | Elongation | |
| g/cm³ | Rockwell | Mpa | % | ||
| Fe-based alloys | MIM-2200(Sintered) | 7.65 | 45HRB | 290 | 40 |
| MIM-2700(Sintered) | 7.65 | 69HRB | 440 | 26 | |
| MIM-4605(Sintered) | 7.62 | 62HRB | 415 | 15 | |
| MIM-4605(Quenching and tempering) | 7.62 | 48HRC | 1655 | 2 | |
| Stainless steel | MIM-316L(Sintered) | 7.92 | 67HB | 520 | 50 |
| MIM-17-4PH(Sintered) | 7.5 | 27HRC | 900 | 6 | |
| MIM-17-4PH(Sintered) | 7.5 | 40HRC | 1185 | 6 | |
| MIM-430L(Sintered) | 7.5 | 65HRB | 415 | 25 | |
| Tungsten alloys | 95%W-Ni-Fe | 18.1 | 30 | 960 | 25 |
| 97%W-Ni-Fe | 18.5 | 33 | 940 | 15 | |
| Carbide | YG8X | 14.9 | HRA90 | Bending Strength 2300 | |
| Fine Ceramics | Al2O3 | 3.98 | HRA92 | Bending Strength 2300 | |
Packaging & Shipping
- We prefer DHL or TNT express or other air freight between 1kg-100kg.
- we prefer sea freight more than 100kg or more than 1CBM
- As per customized specifications.
Company Profile
About us
HangZhou CZPT Technology Co.,Ltd is located in HangZhou City, ZheJiang Province, Which closed the ZheJiang .The Emitech Technology is mainly engaged in the CNC Machinery Industrial Service for 15 years. Our Parts are sold to Europe, America, Japan, South Korea and China in various kinds of industrial.At present, Our company has CNC Turning machines and CNC centers and equip with professional quality and testing instruments.We have full OEM Experience from worldwide, providing them with One-stop solutions for a broad range of applications.We look CZPT to cooperating with you!
Our Advantages
1. Precision CNC machining parts strictly follow customer’s drawing,packing and quality requirement.
2. Tolerance: between+/-0.01mm;
3. The high-tech CMM inspector to ensure the quality;
4. Full-Experienced engineers and well professional trained workers;
5. Fast delivery time;
6. Professional advice for our customers;
After Sales Service
Custom CNC machining Services brass aluminium stainless steel cnc parts
We usually provide 12 Months repair service. If our duty, we will respond to send the new parts.
Our Service
| Our Processing | CNC center, CNC milling, CNC turning, drilling, grinding, bending, stamping, tapping, |
| Surface finish | Polishing, sandblasting,Zinc-plated, nickel-plated, chrome-plated, silver-plated, gold-plated, imitation gold-plated, |
| Tolerance | 0.05mm~0.1mm |
| QC System | 100% inspection before shipment |
| Drawing format | CAD / PDF/ DWG/ IGS/ STEP |
| Packaging | Plastic bag/Standard package / Carton or Pallet / As per customized specifications |
| Payment Terms | 30 -50%T/T in advance, 70-50% balance before delivery; Pay Pal or Western Union is acceptable. |
| Trade terms | EXW, FOB, CIF, As per the customer’s request |
| Shipment Terms |
1)We prefer DHL or TNT express or other air freight between 1kg-100kg. 2) we prefer sea freight more than 100kg or more than 1CBM |
| Note | The CNC machining parts are usually custom-made based on the customer’s drawings and samples. So we need the Down Payment |
| After-sales Service: | Repaire |
|---|---|
| Warranty: | Half a Year |
| Condition: | New |
| Certification: | CE, RoHS, GS, ISO9001 |
| Standard: | DIN, ASTM, GOST, GB, JIS, ANSI, BS |
| Customized: | Customized |
| Customization: |
Available
| Customized Request |
|---|

Ensuring Proper Alignment between a Wheel and its Corresponding Sprocket
Proper alignment between a wheel and its corresponding sprocket is crucial for the smooth and efficient operation of the wheel sprocket system. Misalignment can lead to increased wear, noise, and reduced performance. Here are some steps to ensure proper alignment:
- Use Precision Components: Ensure that both the wheel sprocket are high-quality, precision-manufactured components that meet the required specifications. Using well-machined components will aid in achieving better alignment.
- Check Axle Alignment: Make sure the axle or shaft on which the wheel sprocket are mounted is straight and properly aligned. Any misalignment in the axle can lead to misalignment of the wheel sprocket.
- Proper Mounting: Ensure that the wheel sprocket are securely and correctly mounted on the axle or shaft. Use appropriate fasteners and tightening techniques to prevent any movement or shifting during operation.
- Check for Parallelism: The axes of the wheel sprocket should be parallel to each other. Measure the distance between the axes at multiple points to verify parallel alignment.
- Use Alignment Tools: Alignment tools, such as laser alignment systems, can be employed to accurately align the wheel sprocket. These tools can help identify and correct misalignments effectively.
- Check Tension and Tensioner Alignment: If a tensioner is used in the system, ensure that it is properly aligned and applying the right tension to the chain or belt. Incorrect tension can cause misalignment.
- Regular Maintenance: Implement a regular maintenance schedule to check and adjust alignment as needed. Regular inspections can help identify and address alignment issues before they cause significant problems.
- Monitor Performance: Keep an eye on the performance of the wheel sprocket system. Unusual noises, vibrations, or signs of wear can indicate misalignment and should be investigated promptly.
Proper alignment is essential for the long-term performance and reliability of the wheel sprocket system. By following these steps and conducting regular maintenance, you can ensure that the wheel sprocket work together harmoniously, providing efficient power transmission and minimizing wear and tear.

Using a Belt Sprocket in Place of a Chain Sprocket with a Wheel
Yes, in many cases, a belt sprocket can be used in place of a chain sprocket with a wheel, provided that the system is designed to accommodate the change.
Both chain sprockets and belt sprockets serve the same fundamental purpose of transferring rotational motion and power between the wheel and the driven component. However, there are some important considerations to keep in mind when replacing a chain sprocket with a belt sprocket:
- Alignment: Belt sprockets and chain sprockets must be aligned properly with the wheel to ensure smooth and efficient power transmission. Any misalignment can cause premature wear and reduce the system’s overall performance.
- Tension: Chain-driven systems require specific tension to prevent slack and maintain proper engagement between the sprockets and the chain. Belt-driven systems, on the other hand, require appropriate tension to prevent slippage. Ensuring the correct tension for the specific type of sprocket is crucial for reliable operation.
- Load Capacity: Consider the load capacity and torque requirements of the system when selecting a belt sprocket. Belt sprockets may have different load-carrying capabilities compared to chain sprockets, and using the wrong type can lead to premature wear or failure.
- Speed and RPM: Belt-driven systems may have different operating speeds and RPM limits compared to chain-driven systems. Ensure that the selected belt sprocket can handle the desired rotational speed without exceeding its design limitations.
- System Design: Changing from a chain-driven system to a belt-driven system (or vice versa) may require modifications to the overall system design, including the size of the sprockets and the layout of the system. Consult with an engineer or a qualified professional to ensure that the replacement is appropriate and safe.
Overall, replacing a chain sprocket with a belt sprocket can be a viable option in certain applications. However, it’s essential to consider the factors mentioned above and evaluate the compatibility of the new sprocket with the existing system to achieve optimal performance and longevity.

Calculating Gear Ratio for a wheel sprocket Setup
In a wheel sprocket system, the gear ratio represents the relationship between the number of teeth on the sprocket and the number of teeth on the wheel. The gear ratio determines the speed and torque relationship between the two components. To calculate the gear ratio, use the following formula:
Gear Ratio = Number of Teeth on Sprocket ÷ Number of Teeth on Wheel
For example, if the sprocket has 20 teeth and the wheel has 60 teeth, the gear ratio would be:
Gear Ratio = 20 ÷ 60 = 1/3
The gear ratio can also be expressed as a decimal or percentage. In the above example, the gear ratio can be expressed as 0.3333 or 33.33%.
It’s important to note that the gear ratio affects the rotational speed and torque of the wheel sprocket. A gear ratio greater than 1 indicates that the sprocket’s speed is higher than the wheel’s speed, resulting in increased rotational speed and reduced torque at the wheel. Conversely, a gear ratio less than 1 indicates that the sprocket’s speed is lower than the wheel’s speed, resulting in decreased rotational speed and increased torque at the wheel.
The gear ratio is crucial in various applications where precise control of speed and torque is required, such as bicycles, automobiles, and industrial machinery.


editor by CX 2023-10-30