Product Overview

Silicon nitride ceramic locating pins are precision-engineered components manufactured from advanced silicon nitride (Si?N?) ceramic materials. They provide excellent mechanical strength, fracture toughness, wear resistance, thermal shock resistance, and high temperature stability, making them suitable for precision positioning applications requiring high accuracy and long service life.

These ceramic locating pins are commonly used as positioning pins, alignment pins, fixture components, guide pins, and precision tooling parts. Custom diameters, lengths, tolerances, surface finishes, and structural designs are available according to customer drawings, CAD files, or specific application requirements.

Applications & Industries

Silicon nitride ceramic locating pins are widely used in:

• Semiconductor Equipment: wafer processing fixtures, precision alignment parts, and high-temperature tooling components.
• Industrial Automation: locating pins, guide components, and precision assembly fixtures.
• Precision Machinery: positioning elements requiring high wear resistance and dimensional stability.
• Electronic Manufacturing: inspection fixtures, assembly tools, and insulation components.
• Automotive & Aerospace: lightweight and durable precision positioning parts.
• High-Temperature Equipment: heat-resistant fixture components for demanding environments.

Manufacturing Process

The production process includes silicon nitride powder preparation, ceramic forming, high-temperature sintering, precision machining, surface grinding, polishing, and quality inspection.

Available processes include:

• Dry pressing and molding
• Isostatic pressing
• Pressure sintering
• CNC ceramic machining
• Diamond grinding and polishing

Advanced ceramic processing technologies are used to achieve accurate dimensions, smooth surfaces, and reliable mechanical performance.

Machining Capability & Equipment

Our silicon nitride ceramic locating pins are manufactured using:

• CNC ceramic machining centers
• Precision cylindrical grinding machines
• Diamond grinding systems
• Lapping and polishing equipment
• Coordinate Measuring Machines (CMM)

Typical machining tolerance can reach ±0.01 mm, with customized control of diameter, length, straightness, concentricity, roundness, and surface roughness.

Material Options

Available silicon nitride ceramic grades include:

• Reaction Bonded Silicon Nitride (RBSN): suitable for thermal and structural applications.
• Pressure Sintered Silicon Nitride (SSN): provides high strength and wear resistance.
• Hot Pressed Silicon Nitride (HPSN): ideal for high-performance precision components.

Customized Silicon Nitride Locating Pin Solutions

We provide complete customization services from material selection and structural design to precision machining and inspection. Our silicon nitride ceramic locating pins deliver excellent wear resistance, thermal stability, mechanical strength, and dimensional accuracy for semiconductor, automation, precision machinery, and advanced industrial applications.