Linear encoders from HEIDENHAIN for numerically controlled machine tools can be used nearly everywhere. They are ideal for machines and other equipment whose feed axes are in a servo loop, such as milling machines, machining centers, boring machines, lathes and grinding machines. The beneficial dynamic behavior of linear encoders, their high permissible traversing speed, and their acceleration in the direction of measurement predestine them for use on highly-dynamic conventional axes as well as on direct drives.
Linear encoders with full-size scale housing are characterized by their sturdy construction, high resistance to vibration and large measuring lengths. As a connection between the scanning carriage and the mounting block, they have an “oblique web,” which permits vertical and horizontal mounting with the same degree of protection.
|Measuring Standard (Coefficient of Linear Expansion)||METALLUR steel scale tape with absolute track and incremental track, grating period 40 µm αtherm ≈ 10e–6 K^–1|
|Accuracy grade*||±5 µm|
|Measuring length ML* (mm)||
3240 mm to 28040 in 200 mm steps. Kit with single-section METALLUR steel scale tape and housing section lengths
|Measuring Step At ±3 µm, With ±5 µm||0.010 µm|
|Clock Frequency (calculation time tcal)||≤ 16 MHz ≤ 5 µs|
|Cutoff Frequency –3 dB||-|
|Electrical Connection||Separate adapter cable (1 m/3 m/6 m/9 m) connectable on mounting block|
|Cable Length||≤ 100m (at clock frequency ≤ 8 MHz)|
|Voltage Supply||DC 3.6 V to 14 V|
|Power Consumption (max.)||3.6 V: ≤ 1.1 W; 14 V: ≤ 1.3 W|
|Traversing Speed||≤ 180 m/min (max. acceleration in measuring direction ≤ 100 m/s²)|
|Required Moving Force||≤ 15 N|
|Vibration 55 Hz to 2000 Hz||Scanning unit: 300 m/s² (EN 60 068-2-6) Housing: 200 m/s² (EN 60 068-2-6)|
|Shock 11 ms||≤ 300 m/s² (EN 60 068-2-27)|
|Operating temperature||0°C to 50°C|
|Protection EN 60 5293)||IP 53 when installed according to instructions in the brochure, IP 64 with sealing air from DA 400|
|Mass||Encoder: 1.3 kg + 3.6 kg/m measuring length|
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- <p><a href="http://machinetoolproducts.com/content/Heidenhain/Linear_Encoders_For_Numerically_Controlled_Machine_Tools.pdf" target="_blank">Linear Encoders Brochure</a></p> <p><a href="http://machinetoolproducts.com/content/Heidenhain/Interfaces.pdf" target="_blank">Linear Encoder Interfaces Brochure</a></p> <p><a href="http://machinetoolproducts.com/content/Heidenhain/EnDat%202.2%20Interface.pdf" target="_blank">EnDat 2.2 Brochure</a></p>
- EnDat 2.2