Introduction to Alumina Ceramics

Alumina ceramics are known for their high hardness, wear resistance, corrosion resistance, good electrical insulation and high temperature stability. According to the different alumina content, it can be divided into different grades, such as 95 porcelain, 99 porcelain, etc., among which 99 porcelain refers to ceramic materials with an alumina content of 99%. As the alumina content increases, its mechanical strength and electrical insulation properties will also increase accordingly.

Characteristics of Alumina Ceramics

High Hardness: Alumina ceramics have extremely high hardness, which makes it very wear-resistant and suitable for manufacturing abrasive tools and parts that require wear resistance.

Wear resistance: Due to its high hardness, alumina ceramics show excellent wear resistance and are suitable for manufacturing parts for long-term use.

Corrosion resistance: Alumina ceramics have good resistance to most acids and alkalis, making them widely used in the chemical industry.

Good electrical insulation: As an excellent electrical insulating material, alumina ceramics are widely used in electronic and electrical products.

High temperature stability: Ability to withstand extremely high temperatures without significant physical or chemical changes, which makes it an ideal choice for applications in high temperature environments.

Biocompatibility: In the medical field, certain grades of alumina ceramics are used to make medical devices such as artificial joints due to their good biocompatibility.

(Centerless Grinding High-accuracy 99% 99.5% Al2O3 Alumina Ceramic Polished Rods)

Specifications of Centerless Grinding High-accuracy 99% 99.5% Al2O3 Alumina Ceramic Polished Rods

Requirements of Centerless Grinding High-Accuracy 99% 99.5% Al2O3 Alumina Ceramic Polished Rods. These poles are created for precision applications calling for resilience and tight resistances. The product is high-purity alumina ceramic (Al2O3) with 2 grades readily available: 99% and 99.5%. The higher pureness quality (99.5%) offers improved mechanical residential properties and chemical resistance. Both qualities undertake centerless grinding to accomplish ultra-precise measurements and surface finishes. Diameter resistances are regulated within ± 0.01 mm for uniformity. Straightness is maintained below 0.05 mm per 100 mm length. Satiation discrepancies are limited to 0.005 mm. Surface roughness (Ra) is polished to 0.2 μm or reduced for smooth procedure in mechanical systems. The rods are made making use of sintered alumina ceramic. This procedure guarantees high thickness and marginal porosity. The outcome is a hard, wear-resistant product with a Vickers hardness of 1500 HV or greater. Thermal stability is excellent, with an optimum operating temperature of 1600 ° C. The low thermal growth coefficient (7.2 × 10 ⁻⁶/ ° C) lowers dimensional changes under warm. Electrical insulation residential properties are solid, with a volume resistivity going beyond 1 × 10 ¹⁴ Ω · cm. Chemical resistance covers acids, alkalis, and natural solvents. Applications include semiconductor handling tools, accuracy equipment overviews, medical gadget components, and lab instrumentation. The poles work with high-vacuum settings. Custom sizes and diameters are readily available. Standard sizes range from 10 mm to 500 mm. Sizes typically span 3 mm to 30 mm. Larger dimensions can be created upon request. Each pole is examined for defects using laser measuring tools and visual checks. Product packaging includes safety foam and secured plastic to prevent damage throughout delivery. The item is suitable for sectors prioritizing accuracy, durability, and minimal upkeep. Technical support is provided for product option and layout optimization.

(Centerless Grinding High-accuracy 99% 99.5% Al2O3 Alumina Ceramic Polished Rods)

Applications of Centerless Grinding High-accuracy 99% 99.5% Al2O3 Alumina Ceramic Polished Rods

Centerless grinding high-accuracy 99% to 99.5% Al2O3 alumina ceramic polished rods are extensively used in industries needing severe accuracy and longevity. These poles are made from high-purity alumina ceramic, supplying superb solidity, wear resistance, and thermal stability. The centerless grinding process makes sure limited dimensional control, achieving surface area coatings and tolerances matched for demanding applications.

In semiconductor production, these poles are crucial for managing delicate parts. Their electrical insulation properties protect against current leakage, while their smooth sleek surface areas decrease bit generation in cleanroom settings. Their resistance to high temperatures and harsh chemicals makes them optimal for etching and deposition processes.

Medical tool manufacturing relies upon alumina ceramic poles for medical devices and implants. Their biocompatibility makes certain security in human contact, while their firmness and use resistance prolong the lifespan of cutting instruments. The brightened finish lowers friction during treatments, boosting precision in devices like endoscopes or oral drills.

Aerospace applications use these rods in sensor systems and guidance devices. Their capacity to withstand severe temperature levels and mechanical stress and anxiety makes sure trusted performance in harsh problems. The dimensional accuracy from centerless grinding guarantees proper suit complex assemblies, lowering vibration and put on in moving parts.

Automotive systems gain from alumina rods in gas injection and exhaust sensors. Their thermal stability keeps accuracy under engine warm, while deterioration resistance prevents degradation from gas or discharges. The refined surface resists build-up of down payments, making sure constant sensor analyses over time.

Industrial machinery utilizes these rods for high-wear components like bearings or seals. Their hardness reduces material loss under rubbing, reducing upkeep expenses. The specific dimensions from grinding make certain smooth procedure in automatic equipment, decreasing downtime.

Alumina ceramic rods are likewise used in laser modern technology and optical systems. Their stability under high-energy light beams and polished surface area top quality support accurate light transmission. The product’s low thermal development protects against distortion, preserving alignment in critical setups.

These rods are chosen for settings where metals or plastics stop working. Their mix of mechanical strength, thermal resistance, and electric insulation addresses challenges in innovative engineering. The centerless grinding procedure makes sure consistency throughout large manufacturing batches, conference strict industry requirements without requiring second ending up.

Company Introduction

Advanced Ceramics founded on October 17, 2014, is a high-tech enterprise committed to the research and development, production, processing, sales and technical services of ceramic relative materials and products.. Since its establishment in 2014, the company has been committed to providing customers with the best products and services, and has become a leader in the industry through continuous technological innovation and strict quality management.

Our products includes but not limited to Silicon carbide ceramic products, Boron Carbide Ceramic Products, Boron Nitride Ceramic Products, Silicon Carbide Ceramic Products, Silicon Nitride Ceramic Products, Zirconium Dioxide Ceramic Products, Quartz Products, etc. Please feel free to contact us.(nanotrun@yahoo.com)

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By air, by sea, by express, as customers request.

5 FAQs of Centerless Grinding High-accuracy 99% 99.5% Al2O3 Alumina Ceramic Polished Rods

What are centerless grinding high-accuracy alumina ceramic polished rods?
These rods are made from 99% or 99.5% Al2O3 alumina ceramic. They are processed using centerless grinding, a method that ensures precise dimensions and smooth surfaces. This technique removes material without fixing the workpiece between centers, achieving tight tolerances and uniform roundness. The rods are polished for a fine finish, making them ideal for applications needing minimal friction and high wear resistance.

How accurate are these alumina ceramic rods?
The rods meet accuracy levels of 99% to 99.5%. Centerless grinding ensures diameters are controlled within microns. Tolerances typically range from ±0.001mm to ±0.005mm, depending on rod size and specifications. This precision suits industries like aerospace, medical devices, and semiconductors, where exact measurements are critical.

What advantages do these rods offer over metal or plastic alternatives?
Alumina ceramic rods resist extreme temperatures, corrosion, and wear better than metals or plastics. They maintain strength in environments up to 1600°C and do not react with most chemicals. Their electrical insulation properties and lightweight nature make them suitable for high-voltage or high-speed applications. Surface polish reduces friction, extending component lifespan.

Where are these rods commonly used?
They are used in precision machinery, pump components, semiconductor manufacturing, and medical tools. Specific examples include fluid handling systems, lab equipment, and bearings. The rods’ hardness and stability make them reliable in high-stress or high-purity environments, such as cleanrooms or corrosive chemical processing.

How should these rods be maintained?
Clean rods regularly with non-abrasive materials to avoid surface scratches. Avoid sudden temperature changes to prevent thermal shock. Store them in dry conditions to minimize moisture absorption. Handle with care during installation to prevent chipping. Proper maintenance ensures long-term performance without degradation in precision or finish.

(Centerless Grinding High-accuracy 99% 99.5% Al2O3 Alumina Ceramic Polished Rods)