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Difference between CNC aluminium parts vs. Injection parts

Difference between CNC aluminium parts vs. Injection parts

Sahara is the only pergolas brand that designs and manufactures its products and components through CNC machining. With the exception of experts in industrial materials and processes, few understand the substantial difference between the components of our pergolas and the rest. In this post we will explain in a simple way what the difference is and where the great weather and wind resistance of our pergolas comes from, including how they have managed to obtain the highest rating according to the UNE 13561 standard.

Sahara has created the pergolas and awnings with technology used until now by the aeronautical and automotive sector, transferring the optimization of raw material and post-industrial design to solar protection

The Computerized Numerical Control has exponentially expanded the applications of industrial machines through the programmable automation of production. Thanks to the synergy of various machines, Sahara products have three major competitive advantages: precision, finishes and strength.


The CNC produces components with extremely complex profiles with solid, high-precision turning at micron scale on all programmed parts, regardless of volume or quantity.

The aluminum block is milled, profiled and polished resulting in a perfect piece without internal porosity or joints, traces of glue or other superficial defects of traditional machines, achieving movements impossible to perform manually as diagonal circles or lines.


The production process of Sahara is based on the aeronautical industry, characterized by the greater demand for quality and safety. The process gives the parts a resistance that exceeds all expectations of hardness and durability.

The quality of Sahara awnings and pergolas is the result of the effort and determination to make products that achieve excellence through the strength and durability of each component.
Lasting Quality guarantees the quality of the unaltered aluminum parts at the atomic level, keeping the characteristics of the alloy intact. It is based on scientific studies and tests that demonstrate the superiority of the machining process over traditional ones.

The CNC machining aligns the aluminum unidirectionally, in this way, the piece remains compact at 100%, resistant to impacts, fatigue and corrosion. The injection fills the mold with liquid aluminum using compressed air that releases the hydrogen from the metal forming gaps. The porosity in the piece makes it sensitive to breakage due to impact and corrosion.

The aesthetics, aesthetics and technology are the leitmotiv of the Sahara design, subtracting the obvious and adding the cative meaning. Through the integral control of the design, thanks to the CNC Technology, we have achieved products with capacity for change, improvement and adaptation, made up of unique parts designed to create a synergy in the assembly, which finishes in an elegant, compact finished product and customizable.