China Good quality Reduction Planetary Starter Drive Machine Transmission Precision Pinion Involute Helical Spiral Miter CZPT Bevel Gear helical bevel gear
Product Description
Product Description
Reduction Planetary Starter Drive Machine Transmission Precision Pinion Involute Helical Spiral Miter CHINAMFG Bevel Gear
| Item | Customized machined machining gears | |
| Process | CNC machining,CNC milling, cnc lathe machining | |
| material | steel, stainless steel, carbon steel,brass,C360 brass copper, aluminum 7075,7068 brass,C360 brass copper, aluminum Nylon, PA66, NYLON , ABS, PP,PC,PE,POM,PVC,PU,TPR,TPE,TPU,PA,PET,HDPE,PMMA etc | |
| Quality Control | ISO9001 and ISO14001 | |
| Dimension bore tolerances | -/+0.01mm | |
| Quality standard | AGMA, JIS, DIN | |
| Surface treatment | Blackening, plated, anodizing, hard anodizing etc | |
| Gear hardness | 30 to 60 H.R.C | |
| Size/Color | Gears and parts dimensions are according to drawings from customer, and colors are customized | |
| Surface treatment | Polished or matte surface, painting, texture, vacuum aluminizing and can be stamped with logo etc. | |
| Dimensions Tolerance | ±0.01mm or more precise | |
| Samples confirmation and approval | samples shipped for confirmation and shipping cost paid by customers | |
| Package | Inner clear plastic bag/outside carton/wooden pallets/ or any other special package as per customer’s requirements. | |
| Delivery Time | Total takes 2~~8weeks usually | |
| Shipping |
Usual FEDEX, UPS, DHL, TNT, EMS or base on customer’s requirement. |
Production management:
1. The workers are trained to inspect the gears and notice any defect in production in time.
2. QC will check 1pcs every 100pcs in CNC machining, and gears will meet all dimension tolerances.
3. Gears will be inspected at every step, and gears will be inspected before shipment, and all inspection records will be kept in our factory for 3 years.
4. Our sales will send you pictures at every gears production steps, and you will know the detailed production status, and you can notice any possibility of mistake, for our sales, QC and workers are keeping close watch on all production.
5. You will feel us working very carefully to assure the quality and easy to work with,
6. we cherish every inquiry, every opportunity to make gears and parts and cherish every customer.
QUALITY CONTROL PROCESS:
1) Inspecting the raw material –IQC)
2) Checking the details before the production line operated
3) Have full inspection and routing inspection during mass production—In process quality control (IPQC)
4) Checking the gears after production finished—- (FQC)
5) Checking the gears after they are finished—–Outgoing quality control (OQC)
Service:
1. Molds designs as per customers’ gears drawing;
2. Submitting molds drawings to customers to review and confirm before mols production.
3. Providing samples with whole dimensions and cosmetic inspection report, material certification to customers.
4. Providing inspection report of important dimensions and cosmetic in batches parts.
Packing and shipment:
1. Gears are well and carefully packed in PP bags in CTNS, strong enough for express shipping, air shipment or sea shipment.
2. Air shipment, sea shipment or shipment by DHL, UPS, FedEx or TNT are availabe.
3. Trade terms: EXW, FOB HangZhou, or CIF
4. All shippings will be carefully arranged and will reach your places fast and safely.
FAQ
Q1: How to guarantee the Quality of gears and parts?
We are ISO 9001:2008 certified factory and we have the integrated system for industrial parts quality control. We have IQC (incoming quality control),
IPQCS (in process quality control section), FQC (final quality control) and OQC (out-going quality control) to control each process of industrial parts prodution.
Q2: What are the Advantage of your gears and parts?
Our advantage is the competitive and reasonable prices, fast delivery and high quality. Our eployees are responsible-oriented, friendly-oriented,and dilient-oriented.
Our industrial parts products are featured by strict tolerance, smooth finish and long-life performance.
Q3: what are our machining equipments?
Our machining equipments include plasticn injection machinies, CNC milling machines, CNC turning machines, stamping machines, hobbing machines, automatic lathe machines, tapping machines, grinding machines, cutting machines and so on.
Q4: What shipping ways do you use?
Generally, we will use UPS DHL or FEDEX and sea shipping
5: What materials can you process?
For plastic injection gears and parts, the materials are Nylon, PA66, NYLON with 30% glass fibre, ABS, PP,PC,PE,POM,PVC,PU,TPR,TPE,TPU,PA,PET,HDPE,PMMA etc.
For metal and machining gears and parts, the materials are brass, bronze, copper, stainless steel, steel, aluminum, titanium plastic etc.
Q6: How long is the Delivery for Your gears and parts?
Generally , it will take us 15 working days for injection or machining, and we will try to shorten our lead time.
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| Application: | Motor, Electric Cars, Machinery, Toy, Agricultural Machinery, Car |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Gear Position: | External Gear |
| Manufacturing Method: | Cut Gear |
| Toothed Portion Shape: | Curved Gear |
| Material: | Stainless Steel |
| Samples: |
US$ 10/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Can crown gears be used in precision machinery and equipment?
Yes, crown gears can be used in precision machinery and equipment, and they offer several advantages in such applications. Let’s explore why crown gears are suitable for precision machinery:
- Smooth and Quiet Operation:
Crown gears are known for their smooth and quiet operation. The curved tooth profile of crown gears allows for gradual tooth engagement, reducing impact forces and minimizing noise generation. This smooth and quiet operation is crucial for precision machinery, where noise reduction and smooth motion are highly desirable.
- Precise Positioning:
Due to their symmetrical tooth profile and bidirectional capability, crown gears enable precise positioning in precision machinery. The symmetrical design ensures consistent tooth engagement and meshing, resulting in accurate and repeatable positioning. This precise positioning capability is vital for applications that require high accuracy and repeatability, such as CNC machines, robotics, and optical equipment.
- High Load Capacity:
Crown gears have a larger contact area compared to other gear types, which enhances their load-carrying capacity. This characteristic makes crown gears suitable for precision machinery that may experience high loads or torque requirements. The ability to handle higher loads ensures the gear system’s durability and reliability, even under demanding operating conditions.
- Backlash Elimination:
Backlash, which is the clearance or play between the teeth of meshing gears, can negatively affect the precision of machinery. Crown gears are capable of minimizing or eliminating backlash due to their tooth orientation and engagement properties. This feature helps maintain accurate motion and positioning in precision equipment, contributing to improved overall performance.
- High Gear Ratios:
Crown gears can achieve high gear ratios, making them suitable for precision machinery that requires precise speed reduction or torque multiplication. The larger diameter of crown gears allows for a greater number of teeth engagement, enabling the gear system to achieve higher gear ratios without compromising performance.
In summary, crown gears can indeed be used in precision machinery and equipment. Their smooth and quiet operation, precise positioning capability, high load capacity, backlash elimination, and ability to achieve high gear ratios make them well-suited for applications that demand precision, accuracy, and reliable performance.

Can you explain the process of gear engagement involving crown gears?
The process of gear engagement involving crown gears follows a specific sequence to ensure proper meshing and efficient power transmission. Let’s explore the steps involved in the gear engagement process with crown gears:
- Approach:
During the gear engagement process, the gear teeth of the mating gears approach each other. As the crown gear and the mating gear come closer, the teeth start to interact and prepare for engagement.
- Tooth Contact:
Once the teeth of the crown gear and the mating gear make contact, they begin to mesh together. The curved tooth profiles of crown gears allow for gradual contact between the teeth, reducing impact forces and ensuring smoother engagement.
- Alignment:
As the tooth contact progresses, the crown gear and the mating gear align themselves to achieve proper meshing. The teeth of the crown gear and the mating gear should align accurately to ensure optimal power transmission and minimize noise and wear. Proper alignment also helps distribute the load evenly across the gear teeth.
- Meshing:
Once the teeth are in contact and properly aligned, the crown gear and the mating gear mesh together. The teeth of the crown gear fit into the spaces between the teeth of the mating gear, creating a mechanical interlock. This meshing allows for the transfer of torque and rotation between the gears.
- Power Transmission:
With the gears meshed, power transmission occurs as the torque from the driving gear (such as a motor) is transferred to the driven gear through the crown gear. The crown gear, with its larger contact area and perpendicular tooth orientation, facilitates efficient torque transfer and power distribution within the gear system.
- Disengagement:
When the engagement process is complete or when the power transmission needs to be stopped, the gears disengage. The disengagement process involves the reverse sequence of the engagement steps. The teeth gradually separate, and the gears move away from each other, ceasing the meshing and interrupting the power transmission.
The gear engagement process involving crown gears is crucial for ensuring smooth and efficient power transmission. Proper alignment, gradual tooth contact, accurate meshing, and reliable disengagement are essential for minimizing wear, reducing noise, and maximizing the overall performance and longevity of the gear system.

What is a crown gear and how is it used in mechanical systems?
A crown gear, also known as a contrate gear or a contrate wheel, is a type of gear that has teeth positioned perpendicular to the gear’s face. It is primarily used in mechanical systems for specific applications. Let’s explore the characteristics and uses of crown gears:
- Gear Geometry:
A crown gear has teeth that are shaped like segments of a cylinder. Unlike other gears, such as spur gears or bevel gears, the teeth of a crown gear are not parallel to the gear’s axis but lie perpendicular to its face. This unique geometry allows for specific functionality in mechanical systems.
- Meshing with Other Gears:
Crown gears are often used in conjunction with other gears in mechanical systems. They can mesh with gears that have parallel axes or bevel gears with intersecting axes. The crown gear’s perpendicular tooth orientation enables it to mesh smoothly with these different gear types, transferring torque and rotational motion between them.
- Directional Change:
One of the primary uses of crown gears is to change the direction of rotation in a mechanical system. By meshing a crown gear with other gears, the rotational motion can be redirected by 90 degrees. This directional change is useful in various applications where a change in motion direction is required, such as in conveyors, cranes, and other machinery.
- Force Distribution:
Crown gears can also be used to distribute forces and torques in mechanical systems. By meshing a crown gear with other gears, the load can be spread across a larger contact area. This distribution of forces helps to reduce stress and wear on individual gear teeth, promoting smoother operation and improved durability of the gear system.
- Steering Mechanisms:
Crown gears are commonly employed in steering mechanisms, particularly in automotive applications. They are used in rack and pinion systems, where the crown gear meshes with a rack (a linear toothed component) to convert rotational motion into linear motion. This arrangement allows for precise control and smooth movement in steering systems.
- Automation and Robotics:
Crown gears can also be found in automation and robotics, where they are utilized in various motion control mechanisms. They enable changes in motion direction, force distribution, and precise control in robotic arms, gantry systems, and other automated equipment.
In summary, a crown gear is a specialized type of gear with teeth perpendicular to its face. It is used in mechanical systems to change the direction of rotation, distribute forces, and enable precise motion control. Crown gears find applications in a wide range of industries, including automotive, manufacturing, automation, and robotics.


editor by CX 2024-04-09