Nonmagnetic White Ceramic Pin for Electronics and Semiconductors

Nonmagnetic White Ceramic Pin

Zirconia pin represent the highest level of application of precision engineering ceramics in industrial positioning. Their unique combination of material properties—metallic toughness, diamond-like hardness, and plastic-like insulation—makes them an irreplaceable key component in modern intelligent manufacturing, providing revolutionary solutions for improving assembly accuracy, extending equipment lifespan, and reducing manufacturing costs.

Core material properties

Zirconia (ZrO₂) is an advanced structural ceramic with a phase transformation toughening mechanism. Partial stabilization is achieved by adding 3 mol% yttrium oxide (Y₂O₃), forming tetragonal zirconia polycrystalline (Y-TZP), which endows the material with a unique combination of properties.

Core advantages of Ceramic Pin

1. Ultra-long service life

Under high-frequency impact conditions such as projection welding and resistance welding, the service life of zirconia locating pins is more than 5 times that of traditional KCF (chromium zirconium copper) materials and 2-3 times that of alumina ceramics, significantly reducing the frequency of equipment downtime for maintenance.

2. Zero adhesion and electrical insulation

The density non-porous surface prevents the adhesion of weld slag and metal spatter; the complete electrical insulation property avoids welding current shunting, ensuring concentrated weld energy and improving the consistency of weld quality.

3. Precision positioning accuracy

Through diamond grinding, the following can be achieved:

Diameter tolerance: h7/g6/m6/p6 grade accuracy

Cylindricity: ≤0.003mm

Surface roughness: Ra ≤0.02μm (mirror finish)

Dimensional stability: Thermal expansion coefficient matches steel, maintaining constant clearance despite temperature changes.

4.Extreme environmental adaptability

High temperature resistance: strength and hardness show almost no decrease at 1000°C

Thermal shock resistance: withstands rapid temperature changes (ΔT) of 250–350°C

Corrosion resistance: inert to strong acids, strong alkalis, and molten metals

Non-magnetic: suitable for precision electronic assemblies sensitive to electromagnetic interference.

Application

Product specifications and selection

1.Common structural forms

Cylindrical straight pin: DIN 6325 standard, used for precision hole positioning

Tapered locating pin: 1:50 taper, self-centering, compensates for hole diameter errors

Spherical/arc pin: reduces contact stress, suitable for thin sheet metal parts

Threaded pin: internal or external thread design for easy and quick replacement

2.Material Color Options

White Zirconia pin: Standard type, high purity, well-balanced overall performance

Blue Zirconia pin: Colored with additives for easy visual identification and wear detection

Black Zirconia pin: Enhanced anti-reflective properties, suitable for optical inspection equipment

Usage and maintenance recommendations

1.Installation fit: a clearance fit (H7/g6) is recommended to avoid stress cracking of the ceramic due to interference fit.

2.Cleaning and maintenance: regularly wipe the surface with a non-woven cloth to remove welding slag. Avoid using a metal brush to prevent scratches.

3.Replacement criteria: replace when obvious wear grooves (depth > 0.05mm) appear on the surface or the fit clearance is out of tolerance.

4.Storage conditions: store in a dry environment and avoid collision with hard metals.

Technological development trends

With the rapid development of new energy vehicles and precision electronics manufacturing, zirconia locating pins are evolving towards composite and intelligent technologies:

1.ZTA Composite Ceramic: Zirconia-Toughened Alumina balances hardness and toughness, suitable for higher wear conditions.

2.Surface Coating Technology: Diamond-like Carbon (DLC) coatings further reduce the coefficient of friction.

3.Embedded Sensing: Integrated temperature or stress sensors enable predictive maintenance.

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.