Custom Granite Base For Solar And Photovoltaic Cell

Granite is one of the most popular materials used for precision bases in photovoltaic cell manufacturing equipment. Granite, with its extreme strength, stiffness, and zero porosity, is ideally suited to the needs of photovoltaic cell production.

To create photovoltaic cells, it is necessary to have a precision machined base upon which the brightfield and darkfield etching of the cell substrate is to take place. Granite, with its dense crystalline structure and hardness of 7 Mohs, is ideal for this purpose. This hardness keeps precision parts absolutely still and secure, while the extreme rigidity of granite ensures that there is no flexing or vibration during the machining process.

Granite is a low absorption material, with a water absorption rate of 0.1%. This means that it is far less likely to suffer from corrosion or wear due to water or oil exposure. This minimal absorption rate also makes granite ideal for chipping and grinding parts as it does not wear away or be negatively affected by these processes. Granite is also an effective heat conductor, which helps keep parts safe from heat build-up during machining.

Granite’s low thermal expansion rate, of only 7 to 8 parts per million per °C (ppm/°C), also means that it does not affect the accuracy of machining or cell production. This is due to the fact that it is able to maintain its dimensional integrity over a wide temperature range.

All these qualities make granite the perfect choice for precision bases in photovoltaic cell manufacturing equipment. The cost of these bases is generally slightly higher than those made with other materials, but the precision and durability of granite more than justifies that price.

Laser Interferometer

Electric Level

Roughness Meter

Vernier Caliper

Dial Gauge

Inductance Micrometer

 

 

 

 

 

 

 

 

 

Granite Assembly

Ultra-high precision Granite Ba

Inpsection Equipment

Inspection Equipment