steel

Precision Machining of Alloys

“Machining alloys to their best finish may require great understanding and the implementation of effective tools and machineries.”


Alloys have become one of mostly sought metals to specific performance requirements. Their immense development has paved way due to the demanding applications like high-performance automotive parts, aircraft components, jet engine turbine blades, disks, and any significant part used to withstand a very high temperature environment.

Alloys have known to exhibit excellent mechanical properties and strength and resistance to high pressure and excessive operating temperatures. They also demonstrate resisting features against oxidation and corrosion.

Composition
Alloys are generally composed of metals and other elements. They are mixed together in a metallic bond. The alloying of different metals and element helps reduce the overall cost of the material while preserving the important properties. This has paved way to imparting synergistic properties to metals such as the resistance to corrosion and oxidation, creep resistance at high operating temperatures, brittleness, ductility, and mechanical strength. Steels and brass are just few of those alloys that have rising demands in the market.

Machining Alloys
Alloys are being classified as moderate to difficult when machined, but there are conventional production methods that can be effectively used in machining them at satisfactory rates. In machining alloys, the high shear strengths let the the work be hardened rapidly, heat generated during cutting, and high resistance offered to optimum metal removal. Performing a precision machining to alloys can be readily accomplished by understanding the fundamental principles. Rigid and productive machines are often essential for a success in machining and can keep operation at high quality.

Absolute key points for precision machining
To have a successful precision machining, there are important key points to be considered:

Capacity
  • The nature of the alloys also has to be taken into account, since the course of machining will depend on it, including the strength, the composition, grade, and all. Feed, tooling, speed, depth-of-cut are also determining factors which allow you which machinery to be used in the job.
Tooling
  • Tooling should be selected properly for minimizing cutting forces, withstanding highest possible operating temperatures, and obtaining maximum edge strength. The characteristics of the alloys also are looked over for the selection of tools to be used. When cutting, high speed tools should be used. The consistent tooling change and re-sharpening are frequent since tools get dull fairly quick upon the operation.
Drilling
  • Drilling large holes and tapping greatly require some heavy duty and sturdy machineries to accomplish the tasks. The implementation of CNC machines that use the same speeds may be essential for boring, facing, and turning for specific alloys.
Lubrication/Coolant
  •  The lubrication process or the application of coolants to all operations is highly necessary for this will reduce the risk of fire and combustion. It is important to control the heat build-up to avoid unfavorable incidents.

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