High Purity 99.5% Zirconia Ceramic Roller for New Energy

99.5% Zirconia Ceramic Roller for New Energy

ZrO2 Ceramic Roller is the "ceramic joints" of modern precision wire processing equipment—with diamond-level hardness, mirror-like smoothness, and metallic toughness, they build a reliable bridge between micron-sized wires and high-speed industrial production. From synthetic fiber filaments in textile workshops to nanoscale glass fibers in optical fiber communication, from ultra-thin copper foils in new energy batteries to the lifelines of medical catheters, zirconia ceramic reels, with their silent and durable performance, safeguard the quality and value of every wire.

Product structure and design features

1.Diverse groove structures

(1)V-groove: self-centering, suitable for round cross-section wires

(2)U-groove: increases contact area, reduces pressure per unit area, and protects easily deformable materials

(3)Flat groove: suitable for flat cables or strip materials

(4)Custom groove shapes: specially designed according to the customer's wire cross-section

2.Composite structure design

(1)All-ceramic structure: made entirely of zirconia, suitable for ultra-high cleanliness requirements (medical, semiconductor)

(2)Ceramic + bearing composite: embedded high-speed stainless steel bearings or all-ceramic bearings achieve low-friction rotation (rotational resistance ≤0.01 N·m)

(3)Ceramic-coated metal substrate: aluminum substrate surface sprayed with zirconia, balancing lightweight and wear resistance

3.Precision machining accuracy

(1)Outer diameter tolerance: ±0.001mm (IT3 grade accuracy)

(2)Concentricity: ≤0.01mm, ensuring vibration-free high-speed rotation

(3)Groove profile accuracy: ±0.005mm, ensuring uniform wire tension

Core performance advantages

1.Ultra-long wear-resistant life

With a vickers hardness of over 1200 HV, its wear resistance is 5 times that of quenched bearing steel and 2-3 times that of alumina ceramics. Under high-speed spinning conditions of chemical fibers (linear speed > 20m/s), its service life can reach more than 2 years, significantly reducing equipment downtime for maintenance.

2.Zero-damage wire protection

Surface roughness Ra≤0.02μm (approximately 1/5000 the thickness of a human hair), and coefficient of friction only 1/3 that of metals. In guiding ultra-fine wires such as enameled wire (Φ0.02mm and up), optical fiber, and precious metal wires, it completely eliminates surface scratches and burrs, ensuring the integrity of the wire insulation layer.

3.Dynamic tension stability

High hardness ensures that the groove shape maintains its designed geometry over a long period of time and does not develop grooves due to wear; high density (6.0 g/cm³) provides excellent rotational inertia, and together with precision bearings, it achieves stable guidance at linear velocities of over 20 m/s, with tension fluctuations of <±2%.

4.Extreme environmental adaptability

(1)Thermal shock resistance: withstands rapid temperature changes of up to 300°C (ΔT), suitable for hot stretching processes.

(2)Chemical Inertness: resistant to acid and alkali corrosion; does not degrade in chemical fiber oils and coolant environments.

(3)Non-magnetic/Electrically Insulating: prevents electromagnetic interference to signal cables and prevents electrostatic sparks.

Application

Product specification series

Typical model examples (refer to industry standards):

(1)FC001-2: Ø10×Ø8×Ø2×4mm (Miniature precision winding machine)

(2)FC007-2: Ø27×Ø15×Ø5×11mm (Medium-sized textile machinery)

(3)Custom flange type: with metal inserts for easy and quick replacement

Manufacturing Process and Quality Control

1.Manufacturing Flow

Powder preparation: high-purity zirconia powder (>99.9%) + 3 mol% yttrium oxide stabilizer + molding aids

Injection molding: ceramic Injection Molding (CIM) ensures one-time molding of complex groove shapes

High-temperature sintering: atmospheric sintering at 1450–1550°C, achieving a density of over 99.5% of the theoretical density

Precision machining: grinding the groove shape with diamond wheels, polishing to a mirror finish with diamond polishing paste

Quality inspection: surface roughness is detected using an optical profilometer, and dimensional accuracy is verified using a coordinate measuring machine

2.Key Quality Control Points

Non-Destructive testing: ultrasonic scanning detects internal defects

Batch consistency: bending strength sampling test ensures material stability

Matching testing: actual fit with standard shafts/bearings verifies rotational flexibility

Compared with competing materials

Zirconia ceramic roller have irreplaceable comprehensive advantages in high-speed, high-precision, and high-value wire guiding applications.

Selection and Usage Recommendations

1.Selection Guide

Wire material: high-hardness alumina zirconium composite (ZTA) for hard metal wires; high-toughness Y-TZP for optical/chemical fibers

Wire speed: >15m/s requires a full ceramic bearing composite structure

Environmental medium: special stabilizer formulation is required for environments containing hydrofluoric acid

Cleanliness class: class 100 cleanrooms require a full ceramic grease-free structure

2.Installation and Maintenance

Match tolerances: H7/g6 clearance fit is recommended for the inner hole and shaft to avoid interference fit causing cracking

Cleaning and maintenance: regularly wipe surface deposits with isopropyl alcohol; do not use metal brushes.

Replacement standard: replace when groove wear depth >0.05mm or visible scratches appear on the surface.

Our customized Process

Customized Process

 

Comprehend application product information from customers ⇒ Engineers create drawings ⇒ Customers confirms drawings ⇒ After customer confirmation, a quotation is prepared ⇒ Confirm quotation and making sample ⇒ Customers confirm sample ⇒ Deposit payment is made ⇒ Mass production begins ⇒ Shipping and receiving tracking ⇒ Order finish

Why choose us?

1.Customized R&D, rather than standard product adaptation

2.Deep control of materials science：Material Selection Based on Needs，Microstructure Optimization，Batch Consistency

3.Precision machining capability：Flatness can reach 0.001mm, parallelism 0.002mm, and roughness Ra 0.1μm.

FAQ

Q1: What products does your company offer?

We specialize in high-performance ceramics such as alumina and silicon nitride, providing insulators, structural components, wear-resistant parts, and customized solutions.

Q2: Can you customize non-standard parts?

Yes. We support processing based on provided drawings and collaborative technical development, offering a full-process service from design to mass production.

Q3: What about accuracy and delivery time?

Standard tolerance ±0.05mm, precision grade ±0.01mm; samples 7-15 days, bulk orders 20-30 days.

Q4: Main application areas?

Power, electronics, machinery, chemical, and aerospace industries.

Q5: Quality assurance measures?

Full-process quality inspection, providing material reports and performance test data, supporting third-party certification and testing.

Q6: Do you provide technical support?

We provide professional support such as material selection consultation, design optimization, and failure analysis.