Lost Wax Casting , Precision Casting , Investment casting , Dewaxing Casting , silica Sol Casting , Precision Die Casting , Sand Casting.
Stainless Steel(General SUS304,SUS316,1.4301),etc.,Stainless Iron(General 201,420,430),etc.,High/Middle/Low Garbon Steel(A3,Q235,45),etc.,Alloy Steel(General 20cr,20crme,20crnimo,40crmo,40crnimo,42cr,42crme,42crnimo)etc.,Brass(H59,H62,H75,H80),etc.,Red Copper,Bronze,White Copper and other materials,The above menu is for reference only, if you have special needs,please contact customer service staff.
Wax Injecting War repairing ,Tree Planting , Mucilage , dewaxing , investment , Shell Vibration , Polishing , etc… 48 Processes In TotaL.
Ordinary Polishing , Mirror Polishing , Electrolytic Polishing , Brushed Finishing , Grinding , Heat Treatment , Finishing , Drilling and tapping , Plating,etc.
We Can manufacture And Process According To Customer’s Samples Or Dravings Designs;Meanwhile We Provide Some Ready Stock for Direct Order.
Mold Lead Tine
Rush Order : 3-5 Davs . General Lead Time:7-10Days ( Peculiar Product Exception)
Sample Lead Time
Urgent Sample : 3-5 days , General Lead Time : 5-7 Days ( Peculiar Product Exception )
Order Lead Time
Urgent Orders:10-15 Days , General Lead Time:15-20 Days ( Peculiar Product Exception )
Terms of Payment
The Mold wili Be made After 100% Payment Of The mold Fee , 50% Deposit Should Be Paid In Advance , The Balance Should Be Paid Before Shipment.
Tax & Freight
Price Quoted Without Freight&Tax included,For other requirements Please contact customer service staff
The company has a total investment of more than 8 million yuan, with strong technical force and highly educated, high-quality, high-skilled professionals. The R & D team is dominated by postgraduates from top university, and post-doctors are the core of the team. It produces dozens of patents and inventions every year, and has strong independent research and development capabilities.
In recent years, JinbiHangZhou introduced various international advanced equipment successively and has CHINAMFG technological foundation and advantages. To ensure the high quality of the products, we innovate actively, improves the production process as well as expand the outputs every year. We reach an annual output of more than 1000 tons of high quality metal casting parts and accumulating rich experience in both technology, quality and promotion.
With excellent quality, reasonable price and perfect service JinbiHangZhou wins favor and praise from the local and overseas customers. We serve customers in the military industry, automotive, mining, railway transportation, wind power, petroleum, electrical machinery, home appliances, door and window locks, medical, beauty and other industries. Our products exported to Europe, South America, Southeast Asia, Middle East and other countries and regions.
Question 1: Do you have ready stock or only do custom order?
Answer: We mainly do custom order according to customers’ designs or samples, and a few existing models can be directly ordered for production.
Question 2: What kind of materials can you do?
Answer: We can produce stainless steel, stainless iron, carbon steel, alloy steel, brass, cupronickel, copper and other materials needed by our customer.
Question 3: Which drawings and file formats can you accept?
Answer: We can accept a variety of drawing formats, but the main formats are as follow:
2D, PDF and DWG, 3D, STL, IGES, STEP, Solidworks, etc…
Question 4: What is the delivery time for new mold and its sample?
Answer: Our delivery time depends on casting and finishing requirements, but usually The mold and sample time is 10-15 days, and the mess production is usually 25-30 days after receiving the deposit. For urgent orders, please discuss with us!
Question 5: Is it possible to visit your factory and check your manufacturing process?
Answer: We sincerely welcome our customer to visit our factory. I believe you will leave a deep impression, we will discuss and learn together to make up for our shortcomings.
Question 6: Could you please inform us your working hours?
Answer: Our sales team works from 8:00 am to 18:00 pm from Monday to Friday. Factory working hours are from Monday to Saturday from 8:00 am to 21:00 pm.
|Thermal Gravity Casting
|Lost Wax Casting
|Agricultural Machinery Parts
What are the limitations of using plastic gears in industrial settings?
Using plastic gears in industrial settings has certain limitations. Here’s a detailed explanation of these limitations:
- Lower Load Capacity: Plastic gears generally have lower load-bearing capacities compared to metal gears. They are more susceptible to deformation and wear under heavy loads or high torque conditions. This makes them less suitable for applications that require withstanding substantial forces or transmitting high power.
- Temperature Sensitivity: Plastic gears have temperature limitations, and their performance can be affected by temperature variations. Some plastic materials may experience dimensional changes, loss of strength, or reduced stiffness at elevated temperatures. Additionally, high temperatures can accelerate wear and reduce the lifespan of plastic gears. Therefore, plastic gears may not be suitable for applications that involve high-temperature environments or extreme temperature fluctuations.
- Environmental Sensitivity: Plastic gears can be sensitive to certain environmental conditions. Certain plastic materials may degrade or become brittle when exposed to specific chemicals, solvents, oils, or UV radiation. This restricts their use in applications where exposure to harsh chemicals, lubricants, or outdoor elements is common.
- Wear and Abrasion: While plastic gears can offer good wear resistance, they are generally more prone to wear and abrasion compared to metal gears. Under heavy-load or high-speed conditions, the surface of plastic gears can wear down, leading to a decrease in performance and potential failure over time. Additional measures, such as incorporating reinforcements or using lubrication, may be necessary to mitigate wear in certain applications.
- Dimensional Stability: Plastic materials can have lower dimensional stability compared to metals. They may experience creep, shrinkage, or expansion over time, which can affect the accuracy and reliability of gear operation, particularly in applications with tight tolerances or precise gear meshing requirements.
- Impact Resistance: Plastic gears may have limited impact resistance compared to metal gears. They can be more susceptible to damage or fracture when subjected to sudden impact or shock loads. This makes them less suitable for applications with high impact or heavy-duty requirements.
- Compatibility with Existing Systems: In some cases, replacing metal gears with plastic gears may require modifications to the existing system. Plastic gears may have different dimensions, mounting requirements, or gear ratios compared to metal gears, necessitating design changes or adaptations to accommodate the use of plastic gears.
Despite these limitations, plastic gears can still offer significant advantages in certain industrial settings, such as reduced weight, noise reduction, and cost-effectiveness. It’s crucial to carefully evaluate the specific application requirements and consider the trade-offs between the benefits and limitations of plastic gears when deciding whether they are suitable for a particular industrial setting.
Are there specific design considerations for using plastic gears?
Yes, there are specific design considerations that need to be taken into account when using plastic gears. Here’s a detailed explanation of these considerations:
1. Material Selection: Choosing the right plastic material for the gear application is crucial. Different plastic materials have varying mechanical properties, such as strength, stiffness, and wear resistance. Consider factors such as load-bearing requirements, operating temperatures, environmental conditions, and compatibility with lubricants. It’s important to select a plastic material that can withstand the specific demands of the application.
2. Gear Geometry: The design of plastic gears should consider factors such as tooth profile, module or pitch, pressure angle, and tooth thickness. The gear geometry should be optimized to ensure proper meshing, efficient power transmission, and minimal noise and vibration. The design should also take into account the limitations and capabilities of the plastic material, such as its ability to form precise tooth profiles and maintain dimensional stability.
3. Clearances and Tolerances: Plastic gears may require different clearances and tolerances compared to metal gears. The coefficient of thermal expansion, dimensional stability, and manufacturing processes of plastic materials can affect the gear clearances. It’s important to consider the thermal expansion characteristics of the specific plastic material and provide appropriate clearances to accommodate temperature variations. Tight tolerances may result in binding or increased friction, while excessive clearances can lead to backlash and reduced gear accuracy.
4. Load Distribution: Distributing the load evenly across the gear teeth is essential for preventing premature wear and failure. Consider gear design elements such as tooth profile, tooth width, and the number of teeth to optimize load distribution. Reinforcing the gear teeth with fillets or other strengthening features can help improve load-bearing capacity and reduce stress concentrations.
5. Stiffness and Deflection: Plastic gears generally have lower stiffness compared to metal gears. The design should consider the potential for deflection or deformation under load. It may be necessary to increase the gear size, modify the tooth geometry, or incorporate additional support structures to enhance stiffness and minimize deflection. Analytical tools and simulations can be employed to assess and optimize gear design for stiffness and deflection.
6. Lubrication and Wear: Proper lubrication is important for the performance and durability of plastic gears. Consider the lubrication requirements of the specific plastic material and design features that facilitate effective lubricant distribution. Pay attention to potential wear mechanisms, such as adhesive wear or abrasive wear, and incorporate measures to minimize wear, such as optimized tooth profiles, lubricant selection, and sealing mechanisms.
7. Environmental Factors: Plastic gears may be subjected to various environmental factors such as temperature extremes, humidity, chemicals, and UV exposure. Evaluate the potential impact of these factors on the gear material and design. Select plastic materials that offer resistance to environmental degradation and consider protective measures, such as coatings or encapsulation, to enhance the gear’s resistance to environmental conditions.
8. Manufacturability: Consider the manufacturability of plastic gears during the design phase. Different plastic materials may have specific requirements or limitations for manufacturing processes such as injection molding or machining. Design features that facilitate efficient and cost-effective production, such as draft angles, parting lines, and tooling considerations, should be taken into account.
By considering these specific design considerations, such as material selection, gear geometry, clearances, load distribution, stiffness, lubrication, environmental factors, and manufacturability, it’s possible to optimize the design and performance of plastic gears for various applications.
How do plastic gears differ from metal gears in terms of performance?
Plastic gears and metal gears exhibit differences in performance characteristics. Here’s a detailed explanation of how plastic gears differ from metal gears:
Strength and Durability:
- Metal gears are generally stronger and more durable compared to plastic gears. They can withstand higher torque, heavy loads, and harsh operating conditions. Metal gears are commonly used in applications that require high strength and durability, such as heavy machinery, automotive transmissions, and industrial equipment.
- Plastic gears have lower strength and may not be suitable for applications with high torque or heavy loads. However, advancements in plastic materials and manufacturing techniques have resulted in the development of high-performance plastics that offer improved strength and durability, allowing plastic gears to be used in a wider range of applications.
- Plastic gears are significantly lighter in weight compared to metal gears. This lightweight characteristic is advantageous in applications where weight reduction is important, as it can contribute to energy efficiency, lower inertia, and reduced wear on supporting components.
- Metal gears are heavier due to the density and strength of the metal materials used. While the weight of metal gears can provide benefits in certain applications that require high inertia or increased stability, it may also result in additional energy consumption and higher stresses on supporting structures.
Noise and Vibration:
- Plastic gears have inherent damping properties that help reduce noise and vibration levels during operation. This makes them suitable for applications where noise reduction is desired, such as in consumer electronics or office equipment.
- Metal gears tend to generate more noise and vibration due to their higher stiffness. While there are methods to reduce noise in metal gears through design modifications and the use of noise-dampening materials, plastic gears generally offer better inherent noise and vibration reduction.
Wear and Lubrication:
- Plastic gears have the advantage of self-lubrication due to certain plastic materials having inherent lubricating properties. This reduces friction and wear between gear teeth, eliminating the need for external lubrication and simplifying maintenance requirements.
- Metal gears typically require lubrication to reduce friction and wear. Proper lubrication is essential for their performance and longevity. Insufficient or inadequate lubrication can lead to increased wear, heat generation, and even gear failure.
- Plastic gears can exhibit excellent resistance to corrosion and chemicals, depending on the chosen plastic material. This makes them suitable for applications in corrosive environments where metal gears may suffer from degradation or require additional protective measures.
- Metal gears may corrode when exposed to moisture, chemicals, or certain operating environments. Corrosion can weaken the gears and compromise their performance and lifespan. However, corrosion-resistant metals or protective coatings can mitigate this issue.
- Plastic gears offer greater design flexibility compared to metal gears. Plastic materials can be easily molded into complex shapes, allowing for the creation of custom gear profiles and tooth geometries. This design flexibility enables gear optimization for specific applications, improving performance, efficiency, and overall machinery design.
- Metal gears are more limited in terms of design flexibility due to the constraints of machining or shaping metal materials. While metal gears can still be customized to some extent, the process is generally more time-consuming and costly compared to plastic gear manufacturing.
It’s important to consider these performance differences when selecting between plastic and metal gears for a specific application. The requirements of the application, including load capacity, operating conditions, noise considerations, and durability expectations, should guide the choice of gear material.
editor by CX 2023-09-28