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In the recent past, HEIDENHAIN says the ERM rotary encoder series has had great success with installations on machine tools, such as on the C-axis of lathes and the main spindle on milling machines. Now, due to the higher demand for accuracy on varying rotary and tilting axes, HEIDENHAIN has developed the ERM 2200 magnetic rotary encoder series with a 200-micron signal period.
Utilizing a smaller positioning error within one signal, the new ERM 2200 rotary encoder series allows finer accuracy requirements to now be met on machine tools. And since the ERM utilizes magnetoresistive scanning technology that is insensitive to contamination, these encoders excel in even the harshest machine tool environments.
Characterized by their compact dimensions, the ERM 2200 series drums are available with an inside diameter of 70 to 380mm, and the overall height when mounted to the machine is 20mm. With distance-coded reference marks, the ERM 2280 model only has to move the axis a maximum of 20 degrees during a homing routine to find a referenced position. The ERM 2280 series is available with a 1 Vpp interface and has the capabilities of reaching a maximum speed of 14,500 rpm.
Related Glossary Terms
- gang cutting ( milling)
gang cutting ( milling)
Machining with several cutters mounted on a single arbor, generally for simultaneous cutting.
- milling
milling
Machining operation in which metal or other material is removed by applying power to a rotating cutter. In vertical milling, the cutting tool is mounted vertically on the spindle. In horizontal milling, the cutting tool is mounted horizontally, either directly on the spindle or on an arbor. Horizontal milling is further broken down into conventional milling, where the cutter rotates opposite the direction of feed, or “up” into the workpiece; and climb milling, where the cutter rotates in the direction of feed, or “down” into the workpiece. Milling operations include plane or surface milling, endmilling, facemilling, angle milling, form milling and profiling.
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