Titanium Machining Tips for Enhanced Production

by | Jan 29, 2015 | Business

If your goal is to make parts out of metal, then titanium machining, using CNC precision equipment will offer you with a number of exciting possibilities for creating complex parts and intricate designs.

CNC titanium machining today makes it possible to exact measurements that are precise and which enhances the safety and use of parts that are used a great deal in the aerospace field and industry. Alloys made of titanium and aluminum is used to manufacture structural components for a variety of aircraft designs.

Many Aircraft Designs Now Rely on Titanium

However, aircraft parts suppliers that once machined a good deal of aluminum are finding that titanium machining is a preferred production method. The newer designs of aircraft today are necessitating the use of titanium as a metal in their engines and operational controls.

Stability is Important during Tooling

Engineers and machining operators then are finding that processing the metal for a part can be made easier if one focuses on the stability during the process of tooling. The initial tool, tool holder, column, spindle, fixture, and work pieces all need to be stabilized during the operation.

Checking the Heat Dissipation

Other important considerations that need to be made during the process include measuring the coolant pressure and volume as well as coolant delivery. It is essential that machining operators be cognizant of heat dissipation when machining the metal.

During the machining process, very little of the generated heat is ejected with the chip. Instead, a large amount of the heat goes into the tool. As a result, titanium machining involves keeping the radial engagement low to manage the surface speed.

Reducing Engagement

In other words, by reducing the radial engagement, you will also lessen the amount of time the cutting edge manufactures heat, thereby permitting more time for the edge to cool before entering another rotation. The radial engagement is reduced and the surface speed is enhanced, all which maintains an even temperature while cutting.

Machining titanium may also use endmills that feature four or six flutes. When milling the metal, however, a more efficient number may be ten or more. By increasing the flute number, you also compensate for a lower feed requirement per tooth. Because productive machining favors a lower radial depth, a higher flute endmill capacity increases the speed of processing.

During titanium machining, a sharp edge used for cutting minimizes the forces that are generated while cutting the material. However, you also want to make sure that the edge is resilient enough to resist the pressure that is made during the operation.

Therefore, it is important for the machining operator to depend on secondary relief in this respect. Looking at tools with varying secondary-relief forms may uncover some unanticipated changes in tool life, or cutting performance overall.

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