1. Material Preparation:
Begin by thoroughly mixing aluminum oxide powder with other additives according to specified ratios. Additives may include stabilizers and enhancers, which help adjust the material’s properties and processing characteristics.
2. Mold Preparation:
Select an appropriate mold that matches the desired final product’s shape and size. The mold can be single-cavity or multi-cavity, and can be customized to create various shapes.
3. Mold Filling:
Place the well-mixed aluminum oxide powder and additives into the mold. Manual or mechanical methods are used to ensure uniform filling, while minimizing the presence of air pockets and impurities.
Insert the filled mold into a pressing equipment and apply high pressure. The pressure magnitude depends on material properties and the desired density. During pressing, the material particles undergo deformation and bonding, resulting in a strong ceramic green body.
After pressing is complete, open the mold and remove the pressed ceramic green bodies. In some cases, a reverse pressure technique can be applied to facilitate easy release of the bodies from the mold, enabling better control over dimensions and shape.
The pressed ceramic green bodies typically undergo additional post-processing steps such as drying, binder removal, and trimming. These steps aid in removing residual moisture and organic matter, preparing the bodies for subsequent sintering.
– Cost-effectiveness: Pressing is an economically viable production technique that requires simple equipment and process steps.
– Production efficiency: The pressing process is relatively quick and straightforward, making it suitable for large-scale production.
– High dimensional accuracy: Through mold design and control, it is possible to achieve high dimensional precision and consistency.
– Shape limitations: Pressing has limitations in reproducing complex shapes and intricate details. The mold’s shape restricts the achievable product shapes.
– Pressing stress: The application of high pressure during pressing may lead to the accumulation of internal stress within the material, potentially causing cracks or deformations.
– Non-uniform density: Variations in material filling and the pressing process can result in some degree of density variation within the ceramic green bodies.
Pressing is a significant technique in aluminum oxide ceramic production. However, when selecting a production method, factors such as product requirements, shape complexity, and batch size need to be considered.
Can you provide samples for me to test? How much does it cost?
We strive to provide ceramic samples that closely meet your requirements to the best of our abilities.
The samples are completely free, but you need to pay the freight.
For samples with unique shapes that require custom molds, we are open to discussing the mold cost in order to accommodate your specific needs.
We don’t know which material of ceramic we need, what should we do?
No worries! Please provide us with more details about your requirements, such as the intended use, desired properties, and any specific characteristics you're looking for.
With these information, our team can guide you in selecting the most suitable ceramic material for your needs.
We are concerned about the quality of the product we ordered.
We understand your worries and we maintain stringent quality control standards as following:
|Quantity and Severity of Defects
|Determined by AQL standard
|Size Accuracy and Consistency
|Determined by ISO 9001 standard
|Determined by ASTM C20 standard
|Determined by ISO 6508 standard
|Flexural Strength Testing
|Material Flexural Strength
|Determined by ASTM C1161 standard
|Thermal Shock Stability Testing
|Material Thermal Shock Stability
|Determined by ASTM C884 standard
*Qualification standards higher than ISO standards
In addition to production line inspections, we also accept inspections from third-party organizations several times a month
While the occurrence of defects is extremely rare, it is an unavoidable possibility. If any quality issues arise, we take full responsibility and will expedite the reproduction process at cost price.
Our commitment is to ensure that our products meet the highest quality standards and promptly address any concerns to ensure customer satisfaction.
What is the processing accuracy of ceramics?
|Ra ≤ 0.1 μm
|Tolerance within tens of μm
|Diameter tolerance within a few hundred μm
|Ra ≤ 0.2 μm
We maintain strict processing precision standards, ensuring that our products meet the majority of requirements using our standard manufacturing processes.
However, if you have a need for even higher precision products, please feel free to contact us.
We can discuss your specific requirements and explore customized solutions to meet your exacting standards.
What's your trade terms?
We prefer EXW, FOB and CIF as for terms.
T/T, West Union,30% deposit, 70% balance paid before delivery are greatly appreciated.
How long does your production take?
Q: What is the typical production lead time for Vhandy Ceramics?
A: The typical production lead time for Vhandy Ceramics is 15 to 20 days.
Q: Are there any situations where the actual delivery time may be longer?
A: Yes, in certain cases, such as shipping to distant countries, the actual delivery time may be extended beyond the standard range.
Q: What factors can contribute to longer delivery times?
A: Factors such as customs clearance procedures, transportation logistics, and international shipping arrangements can contribute to longer delivery times.
Q: How does Vhandy Ceramics handle potential delays?
A: Vhandy Ceramics strives to minimize potential delays and works closely with shipping partners to expedite the process whenever possible.
Q: Can I get an accurate delivery estimate for my order?
A: Yes, our customer service team can provide you with an estimated delivery time based on your specific order and location. They will also keep you informed throughout the production and shipping process.