301 Maximum Travel Speed Difference (Actual Travel-Command) Maximum Difference Travel Distance t 1PTJUJPOJOH "DDVSBDZ Positioning is performed from a reference position incrementally in one direction, and measured. Measurement values are the maximum difference between actual travel distance and commanded distance. See Accuracy Standards Table for Standard values. P1 P2 P7 t 3FQFBUBCJMJUZ Repeat positioning and measurement seven times at the same point in a specified direction. 1/2 of the maximum difference with "±" in front is defined as the measurement value. See Accuracy Standards Table for design values. t 3VOOJOH 1BSBMMFMJTN A dial indicator is installed from the block to the reference surface. Measurements are taken while traveling with the rail mounted to a standard reference surface base. The maximum difference taken by the measurement is the measurement value. See Accuracy Standards Table for design values. t #BDLMBTI Loads are applied to the block from the reference position, and then released. The difference between the reference position and returned value is the measurement value. See Accuracy Standards Table for design values. Accuracy Standards 2Accuracy Standards Table Accuracy Standard Items LX15 LX20 LX26 LX30(L≤400) LX30(L≥450) LX45 High Grade Precision Grade High Grade Precision Grade High Grade Precision Grade High Grade Precision Grade High Grade Precision Grade High Grade Precision Grade Positioning (mm) 0.04 0.02 0.06 0.02 0.06 0.02 0.06 0.02 0.1 0.025 0.1 0.025 Positioning Repeatability (mm) ±0.004 ±0.003 ±0.005 ±0.003 ±0.005 ±0.003 ±0.005 ±0.003 ±0.005 ±0.003 ±0.005 ±0.003 Backlash (mm) 0.01 0.002 0.01 0.003 0.01 0.003 0.02 0.003 0.02 0.003 0.02 0.003 Parallelism (mm) 0.02 0.01 0.025 0.01 0.025 0.01 0.025 0.01 0.035 0.015 0.035 0.015 Starting Torque (N t cm) 0.8 1.2 2 4 4 10 2Max. Velocity (mm/sec) Type Lead (mm) Rail Length L (mm) 75 80 100 125 150 175 200 250 300 350 400 450 500 550 600 LX15 2 330 - 330 330 330 330 330 - - - - - - - - LX20 1 - 190 190 - 190 - 190 - - - - - - - - 5 - - 694 - 694 - 694 694 633 - - - - - - LX26 2 - - 290 - 290 - 290 290 290 - - - - - - 5 - - - - 521 - 521 521 521 521 446 - - - - 10 - - - - 1040 - 1040 1040 1040 1040 890 - - - - LX30 5 - - - 410 410 - 410 410 410 410 410 410 370 300 250 10 - - - - 830 - 830 830 830 830 830 830 740 600 500 Type Lead (mm) Rail Length L (mm) 340 390 440 490 540 590 LX45 10 550 550 550 550 550 550 20 1110 1110 1110 1110 1110 1110 * Values in the table are calculated on basis of critical speed and DN value of ball screws. Note that these are not guaranteed data considering motor rotational speed, operating conditions, etc. Single Axis Actuators (LX) MaximumTravel Speed / Accuracy Standards
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