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dimanche 15 février 2015

Advantages Of Brass Machine Screws Over Steel Machine Screws

By Beryl Dalton


The development of modern manufacturing looks to have improved exponentially. From the past days of utilizing assets like stone, wood, sap and twine to current materials. A few systems were utilized by our progenitors to make structures and items. Different ways to combine two parts together were learned.

People were using the sap of some trees or plants as a primitive form of glue. Wooden dowels were helpful when making furniture to lock pieces together. The advent of metallurgy led to the discovery of metal tools and materials for carpentry. Blacksmiths skilled enough to work metal into smaller pieces created the humble nail. Advances in technology finally improved the function of the nail to hold parts together. By creating spiraling grooves around the body of the nail the screw was created. Screws are made of different metals but brass machine screws carry advantages.

Making furniture and other structures in the past requires that pieces are secured together. Using sap or wooden dowels to secure parts together take time. Parts need to be shaped to fit perfectly, while the sap needs time to dry out after application. Iron nails made it easier to join pieces of wood together. However, corrosion eventually sets in and destroys everything.

When people started using materials other than wood, nails could no longer be used due to design challenges and precision. Plastics and metal needed screws to hold their intended shape. The advances in our technology to machine metals into the exact shape, made fabricating construction materials like screws much easier.

Machined screws are usually made of iron and other metals. The discovery of alloys further improved reliability of the materials. The number one advantage of alloys was the ability to resist corrosion, both from moisture and exposure to oxygen. Large scale manufacturing and construction required a high tensile metal, able to resist great strain and resist weathering. High tensile steel became the go to option. Brass on the other hand, gained popularity as a more cost effective choice for smaller assemblies.

Steel is alloy formed by mixing carbon with iron. This results in a metal that has a higher tensile strength compared to ordinary iron. Adding chromium into the mix gives us stainless steel. Commercial projects prefer to use stainless steel with higher carbon content, making the already durable metal stronger, ideal for building huge structures.

Copper and zinc make up the brass alloy. It has a gentle golden shade and was commonly utilized for making adornments and embellishments. It is moldable and can undoubtedly be machined into numerous parts. On the off chance that you visit a museum, you can discover an abundance of brass antiques and decorations, demonstrating that the composite metal is quite durable

Brass would definitely be the material of choice for the reason that it is cheaper to produce. It has a lower melting point and can conduct heat more easily. Musical instruments are usually made out of the alloy because of better acoustic properties.

One important property of brass has often been ignored. The germicidal ability of copper lends a powerful advantage. Machines and containers that are required to be sterile could benefit from the antimicrobial ability of the copper content.




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