Product Description
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Application |
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• Agricultural equipment |
• Armament |
• Automobile industry |
• Computing equipment |
• Medical / dental instruments |
• Measuring instruments |
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•Miscellaneous equipment |
•Pharmaceutical industry |
• Orthopedic implants |
• Safety equipment |
• Petrochemical industry |
• Industrial valves |
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•Fixing and movable equipment |
• Sanitary fittings |
• General machinery |
• Pumps and general connections |
• Food and beverage processing |
• Instrumentation equipment |
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Products shown here are made to the requirements of specific customers and are illustrative of the types of manufacturing capabilities available within CZPT group of companies. CZPT policy is that none of these products will be sold to 3rd parties without written consent of the customers to whom the tooling, design and specifications belong.
Product Profile
| 1. Marterial percentage | alloy steel:45% carbon steel:35% stainless steel:10% iron:10% |
| 2. Casting weight percentage | 0.1-5kg:40% 5-20kg:30% 20-40kg:20% above 40kg:10% |
| 3. Industry percentage | Components for train & railway: 25% Components for automobile & truck: 30% Components for construction machinery & forklift: 25% Components for agricultural machinery: 10% Other machinery compponents: 10% |
| 4. Globa market share | United States:30% Europe:35% Japan& Korea:15% Domestic market:15% Other:5% |
| 5. Production capacity | Production Capacity: 20,000 tons / year The Current Production Output: 15,000 tons / year Open Capacity Percentage: 25% |
Manufacturing Process
Process design⇒ Tooling making ⇒ Wax injection ⇒Wax pattern assembly⇒ Mold preheat ⇒ Wax removal ⇒Stuccoing ⇒Dipping Casting⇒ Mold shake out ⇒Work piece cut-off ⇒ Grinding ⇒ Pack& transport ⇒ Final inspection ⇒Machining ⇒ Heat treatment
APQP and Inspection Report
| APQP-Casting 1. Process Flow Diagrams 2. Control Plan 3. Process FMEA 4. Casting Process Instruction 5. Solidification Simulation Report 6. Heat Treatment Work Instruction 7. Casting Final Quality Control WI 8. Visual Inspection VI For Surface Irregularities |
Inspection Report-Casting 1. Material Test Report(A) 2. Material Test Report(B) 3. Magnetic Particle Inspection Report 4. Ultrasonic Examination Report 5. Radiographic Test Report 6. Destructive Test Report 7. Coating Test Report 8. Visual Inspection Report 9. Casting Inspection Report |
| APQP-Machining 1. Process Flow Diagrams 2. Control Plan 3. Process FMEA 4. Machining Process Instruction 5. Gauge List And Validation Plan 6. Final Quality Control |
Other Quality Document 1. PPAP Checklist 2.Measurement System Analysis Study 3. Process Capability Studies 4. Corrective Action Report(8D) 5. Packaging Instruction |
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Inspection Report-Machining 1. Dimensional Inspection Report(A) 2. Dimensional Inspection Report(B) 3. CMM Report |
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Key Testing Equipment
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Application |
|||||
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• Agricultural equipment |
• Armament |
• Automobile industry |
• Computing equipment |
• Medical / dental instruments |
• Measuring instruments |
|
•Miscellaneous equipment |
•Pharmaceutical industry |
• Orthopedic implants |
• Safety equipment |
• Petrochemical industry |
• Industrial valves |
|
•Fixing and movable equipment |
• Sanitary fittings |
• General machinery |
• Pumps and general connections |
• Food and beverage processing |
• Instrumentation equipment |
Send Inquiry>>>
Our Company
ZheJiang CZPT Machinery Manufacture Co., Ltd.
–Branch of CZPT Industry Ltd.
We specialize in Metal Parts Solution for Vehicle, Agriculture machine, Construction Machine, transportation equipment, Valve and Pump system.
With keeping manufacturing process design, quality plHangZhou, key manufacturing processes and final quality control in house.
We are mastering key competence to supply quality mechanical parts and assembly to our customers for both Chinese and Export Market.
To satisfy different mechanical and functional requirements from our customers we are making a big range of metal products for our clients on base of different blanks solutions and technologies.
These blanks solutions and technologies include processes of Iron Casting, Steel Casting, Stainless Steel Casting, Aluminum Casting and Forging.
During the early involvement of the customer’s design process we are giving professional input to our customers in terms of process feasibility, cost reduction and function approach.
You are welcome to contact us for technical enquiry and business cooperation.
Our Team
Why Choose Us ?
YOUR DESIGN WE HELP TO ACHIEVE, AS YOUR SINCERE PARTNER
1. Over 15 years professional manufacture experience. → We know better to your needs.
2. One-stop Service of Custom mold design from Initial drawing design, Material selection assistance, Mold structure/Mold flow analysis, Trial & mass production to Final assembly & shipment. → To ensure you get finished products with good assembly function.
3. High skilled and well-trained working team under good management environment. → To make sure high quality of your products.
4. Large and strong production capacity. → To meet your high demands very well.
5.Best price based on same quality requirements. →To help your project with most economical solution.
6. We have very strict quality control process as below. → To deliver the qualified products for you.
In coming Quality control (IQC) : All incoming raw material are checked before used.
In process quality control (IPQC) : Perform inspections during the manufacturing process.
Final quality control (FQC) : All finished goods are inspected according to our quality standard for each products.
Outgoing Quality Control (OQC) : Our QC team will 100% full inspection before it goes out for shipment.
7.Reliable Package & flexible in-time delivery. →To guarantee the product are well received in your side.
8. 24 hours on-line service with quick response. → To support your any inquiry or question.
Customer photos
Core Competence
Advantages 1:High Engineering and Technical Capability
* An industry’s senior engineering technical team , with special skills and rich experience in product design, casting ,heat treating and machining fields.
* Based on customer needs, in the beginning of product development, offer a solution, casting design, by structural component designed to casting parts, optimize the product design, then reduce costs and creating the more value for the customers.
* Special Techniques Enable us to Be Competent with Those Difficulties at Wax Injection & Shell Making Procedures When Manufacturing the Parts with Inner-Sophisticated-Structures.
* Use casting simulation analysis system software, try our best to ensure the success of the one-time trial sample.
Advantages 2: Advanced Inspection Equipment & Strong Quality Assurance Capacity
* Our testing equipments are not only leading in the industry, and also has a very complete range, they are hardware guarantee to ensure us continue to provide high-quality products for our customers.
* Carrying out ISO9001 and TS16949 quality management system, full implementation of 5S and Kanban site management, which is software guarantee of the quality.
* IQC, IPQC and FQC quality management team to control the whole production process, effectively prevent the generation of unqualified product.
* Our casting’ PPM ≤1000 Machining ‘ PPM ≤600
* We sticks to the quality management philosophy that “Starting from the customer needs and ending with their satisfaction,focusing on customer demands and exceeding their expectations”
Advantages3: Good Customer Service
* CZPT can provide customers with good service, our staff have abundant commercial experience, good language ability, and rich foundry or mechanical background. We are committed to providing customers with accurate, careful and speedy service.
* Quotation, Quality Complaints and Email Response can usually be quickly and efficiently feedback within 48 hours.
* We have carried out an information-based management which is driven by an ERP and PMC system, to ensure on time delivery rate:95%
Advantages 4: Powerful Deep-processing Ability It is our core competitive ability in the industry
* Machining capability as the same as casting, the machining facility is fully independent from the casting foundry and has an independent management team and tailored business model to suit.
* CZPT has completed a transformation and upgraded to a deep-processing manufacturer with expanded production capabilities and is committed to be equipped with other capabilities except casting, we focus on developing terminal products for top-end markets.
* High technical content in machining, and casting with sheet metal, welding, assembling, CZPT has the most competitive advantage, it is the good choice for you.
Packaging & Shipping
1, Bundles Packing: Inside: packed with plastic protective film to protect each piece. Outside: Wrap to be bundles by waterproof
craft paper or EPE film.
2, Carton Packing: Inside: Each pcs pack in 1 plastic bag. Outside: Numbers of quantity put in 1 carton.
3, Wood Pallet Packing: Inside: Bundles or cartons packing; Outside: Numbers of bundles or cartons laden on 1 wood pallet.
4, Customized Packing As Clients Request is Available.
FAQ
1Q: Are you trading company or manufacturer?
A: We are a factory, so we can provide competitive price and fast delivery for you.
2Q: What kind of service can you provide?
A: Our company can provide custom casting, CNC machining and surface treatment according to customer’s requirements.
3Q: What’s kinds of information you need for a quote?
A: In order to quote for you earlier, please provide us the following information together with your inquiry.
1. Detailed drawings
2. Material requirement
3. Surface treatment (powder coating, sand blasting, planting, polishing, oxidization, brushing, etc.)
4. Quantity (per order/ per month/ annual)
5. Any special demands or requirements, such as packing, labels, delivery, etc.
4Q: What shall we do if we do not have drawings?
A: Please send your sample to our factory, then we can copy or provide you better solutions. Please send us pictures or drafts with dimensions (Thickness, Length, Height, Width), CAD or 3D file will be made for you if placed order.
5Q: What makes you different from others?
A: 1. Our Excellent Service
We will submit the quotation in 48 hours if getting detailed information during working days.
2. Our quick manufacturing time
For Normal orders, we will promise to produce within 3 to 4 weeks.
As a factory, we can ensure the delivery time according to the formal contract.
6Q: Is it possible to know how are my products going on without visiting your company?
A: We will offer a detailed production schedule and send weekly reports with photos or videos which show the machining progress.
7Q: Can I have a trial order or samples only for several pieces?
A: As the product is customized and need to be produced, we will charge sample cost, but if the sample is not more expensive, we will refund the sample cost after you placed mass orders.
8Q: Why there is tooling cost?
A: It’s mold cost. Indispensable production process. Only need to pay for first order, and we will bear maintenance cost of mold damage.
9Q: What is your terms of payment?
A: Payment of sample order ≤ 1000USD, 100% T/T full payment.
Payment of tooling or batch order ≥ 5000USD, 70% T/T in advance, balance before shipment.
10Q: What’s your after-sale service?
A: If there is quality problem, please provide photos or test report, we will replace defective goods or return funds.
If you have any other questions please find us online, or send messages via email, WhatsApp for better communication!
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| After-sales Service: | Online |
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| Warranty: | 3 Months |
| Condition: | New |
| Samples: |
US$ 6.52/kg
1 kg(Min.Order) | Order Sample Customized according to product drawings
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| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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How do drive shafts ensure efficient power transfer while maintaining balance?
Drive shafts employ various mechanisms to ensure efficient power transfer while maintaining balance. Efficient power transfer refers to the ability of the drive shaft to transmit rotational power from the source (such as an engine) to the driven components (such as wheels or machinery) with minimal energy loss. Balancing, on the other hand, involves minimizing vibrations and eliminating any uneven distribution of mass that can cause disturbances during operation. Here’s an explanation of how drive shafts achieve both efficient power transfer and balance:
1. Material Selection:
The material selection for drive shafts is crucial for maintaining balance and ensuring efficient power transfer. Drive shafts are commonly made from materials such as steel or aluminum alloys, chosen for their strength, stiffness, and durability. These materials have excellent dimensional stability and can withstand the torque loads encountered during operation. By using high-quality materials, drive shafts can minimize deformation, flexing, and imbalances that could compromise power transmission and generate vibrations.
2. Design Considerations:
The design of the drive shaft plays a significant role in both power transfer efficiency and balance. Drive shafts are engineered to have appropriate dimensions, including diameter and wall thickness, to handle the anticipated torque loads without excessive deflection or vibration. The design also considers factors such as the length of the drive shaft, the number and type of joints (such as universal joints or constant velocity joints), and the use of balancing weights. By carefully designing the drive shaft, manufacturers can achieve optimal power transfer efficiency while minimizing the potential for imbalance-induced vibrations.
3. Balancing Techniques:
Balance is crucial for drive shafts as any imbalance can cause vibrations, noise, and accelerated wear. To maintain balance, drive shafts undergo various balancing techniques during the manufacturing process. Static and dynamic balancing methods are employed to ensure that the mass distribution along the drive shaft is uniform. Static balancing involves adding counterweights at specific locations to offset any weight imbalances. Dynamic balancing is performed by spinning the drive shaft at high speeds and measuring any vibrations. If imbalances are detected, additional adjustments are made to achieve a balanced state. These balancing techniques help minimize vibrations and ensure smooth operation of the drive shaft.
4. Universal Joints and Constant Velocity Joints:
Drive shafts often incorporate universal joints (U-joints) or constant velocity (CV) joints to accommodate misalignment and maintain balance during operation. U-joints are flexible joints that allow for angular movement between shafts. They are typically used in applications where the drive shaft operates at varying angles. CV joints, on the other hand, are designed to maintain a constant velocity of rotation and are commonly used in front-wheel-drive vehicles. By incorporating these joints, drive shafts can compensate for misalignment, reduce stress on the shaft, and minimize vibrations that can negatively impact power transfer efficiency and balance.
5. Maintenance and Inspection:
Regular maintenance and inspection of drive shafts are essential for ensuring efficient power transfer and balance. Periodic checks for wear, damage, or misalignment can help identify any issues that may affect the drive shaft’s performance. Lubrication of the joints and proper tightening of fasteners are also critical for maintaining optimal operation. By adhering to recommended maintenance procedures, any imbalances or inefficiencies can be addressed promptly, ensuring continued efficient power transfer and balance.
In summary, drive shafts ensure efficient power transfer while maintaining balance through careful material selection, thoughtful design considerations, balancing techniques, and the incorporation of flexible joints. By optimizing these factors, drive shafts can transmit rotational power smoothly and reliably, minimizing energy losses and vibrations that can impact performance and longevity.
Can you provide real-world examples of vehicles and machinery that use drive shafts?
Drive shafts are widely used in various vehicles and machinery to transmit power from the engine or power source to the wheels or driven components. Here are some real-world examples of vehicles and machinery that utilize drive shafts:
1. Automobiles:
Drive shafts are commonly found in automobiles, especially those with rear-wheel drive or four-wheel drive systems. In these vehicles, the drive shaft transfers power from the transmission or transfer case to the rear differential or front differential, respectively. This allows the engine’s power to be distributed to the wheels, propelling the vehicle forward.
2. Trucks and Commercial Vehicles:
Drive shafts are essential components in trucks and commercial vehicles. They are used to transfer power from the transmission or transfer case to the rear axle or multiple axles in the case of heavy-duty trucks. Drive shafts in commercial vehicles are designed to handle higher torque loads and are often larger and more robust than those used in passenger cars.
3. Construction and Earthmoving Equipment:
Various types of construction and earthmoving equipment, such as excavators, loaders, bulldozers, and graders, rely on drive shafts for power transmission. These machines typically have complex drivetrain systems that use drive shafts to transfer power from the engine to the wheels or tracks, enabling them to perform heavy-duty tasks on construction sites or in mining operations.
4. Agricultural Machinery:
Agricultural machinery, including tractors, combines, and harvesters, utilize drive shafts to transmit power from the engine to the wheels or driven components. Drive shafts in agricultural machinery are often subjected to demanding conditions and may have additional features such as telescopic sections to accommodate variable distances between components.
5. Industrial Machinery:
Industrial machinery, such as manufacturing equipment, generators, pumps, and compressors, often incorporate drive shafts in their power transmission systems. These drive shafts transfer power from electric motors, engines, or other power sources to various driven components, enabling the machinery to perform specific tasks in industrial settings.
6. Marine Vessels:
In marine applications, drive shafts are commonly used to transmit power from the engine to the propeller in boats, ships, and other watercraft. Marine drive shafts are typically longer and designed to withstand the unique challenges posed by water environments, including corrosion resistance and appropriate sealing mechanisms.
7. Recreational Vehicles (RVs) and Motorhomes:
RVs and motorhomes often employ drive shafts as part of their drivetrain systems. These drive shafts transfer power from the transmission to the rear axle, allowing the vehicle to move and providing propulsion. Drive shafts in RVs may have additional features such as dampers or vibration-reducing components to enhance comfort during travel.
8. Off-Road and Racing Vehicles:
Off-road vehicles, such as SUVs, trucks, and all-terrain vehicles (ATVs), as well as racing vehicles, frequently utilize drive shafts. These drive shafts are designed to withstand the rigors of off-road conditions or high-performance racing, transmitting power efficiently to the wheels and ensuring optimal traction and performance.
9. Railway Rolling Stock:
In railway systems, drive shafts are employed in locomotives and some types of rolling stock. They transfer power from the locomotive’s engine to the wheels or propulsion system, enabling the train to move along the tracks. Railway drive shafts are typically much longer and may have additional features to accommodate the articulated or flexible nature of some train configurations.
10. Wind Turbines:
Large-scale wind turbines used for generating electricity incorporate drive shafts in their power transmission systems. The drive shafts transfer rotational energy from the turbine’s blades to the generator, where it is converted into electrical power. Drive shafts in wind turbines are designed to handle the significant torque and rotational forces generated by the wind.
These examples demonstrate the broad range of vehicles and machinery that rely on drive shafts for efficient power transmission and propulsion. Drive shafts are essential components in various industries, enabling the transfer of power from the source to the driven components, ultimately facilitating movement, operation, or the performance of specific tasks.
Can you explain the different types of drive shafts and their specific applications?
Drive shafts come in various types, each designed to suit specific applications and requirements. The choice of drive shaft depends on factors such as the type of vehicle or equipment, power transmission needs, space limitations, and operating conditions. Here’s an explanation of the different types of drive shafts and their specific applications:
1. Solid Shaft:
A solid shaft, also known as a one-piece or solid-steel drive shaft, is a single, uninterrupted shaft that runs from the engine or power source to the driven components. It is a simple and robust design used in many applications. Solid shafts are commonly found in rear-wheel-drive vehicles, where they transmit power from the transmission to the rear axle. They are also used in industrial machinery, such as pumps, generators, and conveyors, where a straight and rigid power transmission is required.
2. Tubular Shaft:
Tubular shafts, also called hollow shafts, are drive shafts with a cylindrical tube-like structure. They are constructed with a hollow core and are typically lighter than solid shafts. Tubular shafts offer benefits such as reduced weight, improved torsional stiffness, and better damping of vibrations. They find applications in various vehicles, including cars, trucks, and motorcycles, as well as in industrial equipment and machinery. Tubular drive shafts are commonly used in front-wheel-drive vehicles, where they connect the transmission to the front wheels.
3. Constant Velocity (CV) Shaft:
Constant Velocity (CV) shafts are specifically designed to handle angular movement and maintain a constant velocity between the engine/transmission and the driven components. They incorporate CV joints at both ends, which allow flexibility and compensation for changes in angle. CV shafts are commonly used in front-wheel-drive and all-wheel-drive vehicles, as well as in off-road vehicles and certain heavy machinery. The CV joints enable smooth power transmission even when the wheels are turned or the suspension moves, reducing vibrations and improving overall performance.
4. Slip Joint Shaft:
Slip joint shafts, also known as telescopic shafts, consist of two or more tubular sections that can slide in and out of each other. This design allows for length adjustment, accommodating changes in distance between the engine/transmission and the driven components. Slip joint shafts are commonly used in vehicles with long wheelbases or adjustable suspension systems, such as some trucks, buses, and recreational vehicles. By providing flexibility in length, slip joint shafts ensure a constant power transfer, even when the vehicle chassis experiences movement or changes in suspension geometry.
5. Double Cardan Shaft:
A double Cardan shaft, also referred to as a double universal joint shaft, is a type of drive shaft that incorporates two universal joints. This configuration helps to reduce vibrations and minimize the operating angles of the joints, resulting in smoother power transmission. Double Cardan shafts are commonly used in heavy-duty applications, such as trucks, off-road vehicles, and agricultural machinery. They are particularly suitable for applications with high torque requirements and large operating angles, providing enhanced durability and performance.
6. Composite Shaft:
Composite shafts are made from composite materials such as carbon fiber or fiberglass, offering advantages such as reduced weight, improved strength, and resistance to corrosion. Composite drive shafts are increasingly being used in high-performance vehicles, sports cars, and racing applications, where weight reduction and enhanced power-to-weight ratio are critical. The composite construction allows for precise tuning of stiffness and damping characteristics, resulting in improved vehicle dynamics and drivetrain efficiency.
7. PTO Shaft:
Power Take-Off (PTO) shafts are specialized drive shafts used in agricultural machinery and certain industrial equipment. They are designed to transfer power from the engine or power source to various attachments, such as mowers, balers, or pumps. PTO shafts typically have a splined connection at one end to connect to the power source and a universal joint at the other end to accommodate angular movement. They are characterized by their ability to transmit high torque levels and their compatibility with a range of driven implements.
8. Marine Shaft:
Marine shafts, also known as propeller shafts or tail shafts, are specifically designed for marine vessels. They transmit power from the engine to the propeller, enabling propulsion. Marine shafts are usually long and operate in a harsh environment, exposed to water, corrosion, and high torque loads. They are typically made of stainless steel or other corrosion-resistant materials and are designed to withstand the challenging conditions encountered in marine applications.
It’simportant to note that the specific applications of drive shafts may vary depending on the vehicle or equipment manufacturer, as well as the specific design and engineering requirements. The examples provided above highlight common applications for each type of drive shaft, but there may be additional variations and specialized designs based on specific industry needs and technological advancements.
editor by CX 2024-05-14