Sanding Machines for Calibration

calibrating sanders for wood and other materials, sanding machines for planing and calibration.

Calibrating Sanding Machines

†When it comes to industrial machinery, sanding has some very distinct applications. Different from just removing extra material from the pieceís surface or making surfaces more even, sometimes the removal of large amounts of material from the piece to make would required so as to render it suitable for a† purpose in specific, particularly when it comes to metal pieces. Calibrated machines and other similar machines are essential for these specific cases.

†Calibration, a.k.a. stock removal, itís a highly technological process that requires very specific machinery. With the constant development of stronger materials for segments such as power/energy or petrochemical industries, thereís also a demand for more powerful calibration machines, as the materials become harder and harder to machinery. As stronger materials are in general less temperature sensitive, the temperatures during calibration are extremely high, which may cause severe metallurgical damages, such as residual fatigue and micro cracks in the surface. Rising temperature may cause deterioration into the surface integrity, reason why calibration machines need to be extremely well tuned and cautiously operated.

†Calibration also comprehends several technologies, each covering some purpose in specific.

- Turning: Mainly used to produce round products and cylindrical components, this technique employs a lathe, and a rotating cutting tool which is placed across 2 axes of motion. This procedure may produce bits in a wide range of diameters and depths, precisely.
- Broaching: this technique uses progressively taller chisels in order to enlarge circular holes in metal pieces or to produce noncircular shapes.
- Milling: using a stationary rotating cutter, this technique is used for complex shaping of metal pieces, as placed in a movable table.
- Grinding: this technique uses rotating discs with abrasive segments, to which the work material is pressed up against, producing very fine finishes. One characteristic of this technology is the great horsepower employed, sometimes up 450 Hp.
- Belt grinding: Using coated abrasives, this is a more recent technique which differs from common grinder as being a cold cutting process. This may reduce the risk of damages and gains in productivity. Itís progressively replacing the former technologies. Very suitable for stock removal, deburring or finishing.

†As most of such devices generate a lot of heat, calibrated machines usually are combined with specific cooling devices. Cutting fluid is often used in order to cool the cutting site and also to eliminate debris and swarfs.

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