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 |
|---|

How to Identify and Troubleshoot Common Issues with Wheels and Sprockets
Identifying and troubleshooting common issues with wheels and sprockets can help you maintain their proper functioning and prevent potential problems. Here are some steps to follow:
- Abnormal Noise: If you notice unusual noise during operation, it could indicate misalignment, worn sprockets, or a loose chain. Check for any loose bolts or fasteners and ensure proper alignment of the sprockets.
- Chain Slippage: Chain slippage can occur due to insufficient tension or worn-out sprocket teeth. Check the chain tension and adjust it to the recommended level. Inspect the sprocket teeth for signs of wear and replace them if necessary.
- Uneven Wear: Uneven wear on the sprocket teeth can be a result of misalignment or a worn-out chain. Check the alignment of the sprockets and adjust as needed. If the chain is stretched or has damaged links, replace it with a new one.
- Excessive Vibration: Excessive vibration may be caused by imbalanced wheels or misaligned sprockets. Check for any bent or damaged wheels and ensure proper alignment of the sprockets.
- Chain Skipping: If the chain skips over the sprocket teeth during operation, it could be due to worn sprocket teeth or a loose chain. Inspect the sprocket teeth for signs of wear and replace them if necessary. Adjust the chain tension to the proper level.
- Chain Jamming: Chain jamming can occur if there is debris or dirt between the chain and sprockets. Clean the chain and sprockets thoroughly to remove any obstructions.
- Excessive Chain Wear: Regularly inspect the chain for signs of wear, such as elongation, damaged links, or rust. Replace the chain if it is significantly worn to avoid damage to the sprockets.
- Overheating: Overheating can be caused by high friction between the chain and sprockets or improper lubrication. Ensure proper lubrication and check for any misalignment or tight spots in the system.
By identifying these common issues and performing regular inspections, you can troubleshoot problems early on and take appropriate corrective measures, ensuring the smooth operation and longevity of the wheel sprocket assembly.

Vertical Power Transmission with wheel sprocket System
Yes, a wheel sprocket system can be used for vertical power transmission. In such cases, the system is designed to transmit power and motion between vertically aligned shafts. Vertical power transmission using a wheel sprocket assembly follows similar principles to horizontal transmission, but there are some factors to consider:
- Load and Torque: When transmitting power vertically, the weight of the load can significantly impact the torque requirements. The torque must be sufficient to lift the load against gravity while accounting for friction and other resistive forces.
- Sprocket Selection: Choosing the right sprocket is critical for vertical transmission. The sprocket teeth must be designed to engage the chain or belt effectively and prevent slipping, especially when lifting heavy loads.
- Lubrication: Proper lubrication is essential to reduce friction and wear in the system. Vertical applications may require specific lubricants to ensure smooth operation and prevent premature failure.
- Tensioning: Maintaining the correct tension in the chain or belt is crucial for vertical power transmission. Proper tension helps prevent sagging and ensures proper engagement between the wheel sprocket.
- Overhung Load: In vertical setups, the weight of the sprocket and shaft assembly can impose an overhung load on the bearings. Adequate support and bearing selection are necessary to handle this load.
Vertical power transmission with a wheel sprocket system is commonly used in various applications, including conveyor systems, elevators, and some industrial machinery. Proper design, installation, and maintenance are essential to ensure safe and efficient operation in vertical configurations.

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 2023-12-15