CNC milling in Phoenix, AZ describes when a computer uses a numerical equation to control its milling activities. Milling can include items such as drilling, cutting, shaping, finishing or working on manufactured products. Milling also includes removing unwanted material in order to make a desired change to the shape or size of the product.
Understanding CNC milling in Phoenix, AZ means understanding two terms: tolerance and thickness.
Tolerance
Tolerance is defined as the unwanted but acceptable deviation from the given dimension. In other words, it is the difference between the physical object and the intended finished product. It tells an engineer or designer if the finished product is dimensionally possible and can be produced.
A machine may have to tolerate many properties, like dimension, the physical properties of the material, the temperature or humidity or the space between objects like a nut and bolt. There are many equations that can tell a designer or engineer if the machine can tolerate all of these things and therefore produce the intended design.
There are three types of tolerances. The first is limit dimensions. This tells the designer the maximum and minimum size a part can be to make the design possible. The second type is the plus or minus tolerances, which state the basic size of a part and the variation that can occur around that size. The third type of tolerance, the page or block tolerances, is a general note stating how large all parts can be.
Thickness
When CNC milling in Phoenix, AZ occurs, the milling machine removes pieces of material from the product to produce a desired change. The pieces of material are called chips. A certain chip thickness must be produced in order for the milling process to be productive and reliable.
The chip thickness is basically the thickness of the material being cut away. Some would say that it is the same measurement as the depth of the cut. However, sometimes the chip is removed and in that process, the chip becomes deformed. A proper chip thickness is the measurement of the non-deformed chip at the right angle of the cutting edge.
In milling, the chip thickness changes continuously because many of the objects produced are of a complex shape.
It’s important to pay attention to chip thickness because chip thickness can tell a designer or engineer how much the machine can handle. The larger the chip thickness, the more the machine can be fed at one time. The smaller the chip thickness, the more careful the designer or engineer has to be so they don’t feed the machine too much at one time. If a designer or engineer gives the proper amount of material at one time, it will help fix possible troubles with the finish, the vibration and the deflection of the machine.
There are many different formulas designers and engineers can use to calculate the amount of feed to give to the machine. To ask about CNC milling in Phoenix, AZ, visit Metal Pro Inc.