Working correctly with milling machines
In order to achieve a successful milling result, it is not only important to use the milling machine correctly, but also to take elementary points into account when processing the material.
Observe the following instructions to avoid operating errors on your milling machine:
1. switching speeds/gears
Avoid shifting gears/speeds while the milling machine is running. Wait until the machine has come to a complete standstill before changing gear to prevent damage to the gears.
2 Changing the direction of rotation
For milling machines with Vario drive or frequency-controlled machines, the direction of rotation must not be changed under load, unless this is shown in the control system (e.g. thread cutting function). This means that the machine should "coast". Otherwise, this can lead to damage to the electronic components of the machine.
3. maximum milling/drilling capacity
Please observe the maximum milling and drilling capacity in the technical data of the milling machine. If you use drills or milling cutters with a larger diameter than the maximum specified, this can lead to mechanical or electrical damage to your milling machine.
4 Align the milling head correctly
Remember to align the milling head correctly after adjusting the milling head, otherwise the milling tools may be damaged. In addition, an incorrect milling head position can lead to an imprecise milling result. To ensure that the milling head is correctly aligned, you can use a digital protractor (Fig. 1 and 2). As soon as the work spindle is aligned perpendicular to the table, the digital display of the protractor shows either 0° or 90° - this depends on the operator. If there is an analogue angle scale on the machine, it should show 0° so that the milling head or work spindle is aligned perpendicular to the work table.
Correct material processing on milling machines
Observe the following points to avoid errors when processing material on the milling machine:
1. setting the correct speed
Milling at the wrong speed causes the milling/drilling tools to wear out more quickly and leads to an inadequate milling or drilling pattern. The same applies to milling at the wrong feed or cutting speed. The correct speed depends on the following parameters, for example: Milling cutter size, tool material, workpiece material and cooling.
2. use the correct milling tool
Make sure you use the right milling tool or the right inserts for the material in question. Otherwise the milling tool will wear out more quickly, which can result in a poorer surface finish.
3 Cooling the milling tool
Cool/lubricate the milling tool sufficiently to prevent tool wear and to ensure a high surface quality.
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