297 2 Features 1 Long Term Maintenance-free Condition · Lubrication Unit MX is a self-lubrication unit constructed of grease impregnated special polyurethane. Capillary action provides appropriate supply of grease. · Oil film is always formed on the ball screws and rails, providing long term maintenance-free operations. 2 Cost Advantages · MX unit-equipped products significantly reduce lubrication frequency, which significantly saves maintenance time and costs. MX unit-equipped products showed good lubrication conditions even after exceeding 800 hrs, while part seizure was observed with non-greased samples within 20 hrs. * These are not guaranteed values but reference values. 2Endurance Test Results 1) No Grease Type 2)No Grease Type + Lubrication Unit MX Continuous Testing Time [h] PS .PSF 2Test Conditions (1) Part Number LX2605-B1-300 (2) Installation Orientation Vertical Test (3) Load Condition 15kgf Load (4) Test Stroke 200mm (5) Travel Speed 136mm/s 2Enlarged Photos of Special Polyurethane Pores Grease impregnated special polyurethane provides appropriate supply of grease on ball screws and rails. 2Structure of Lubrication Unit MX Case Special Polyurethane Patented Built-in Angular Contact Bearing Ball Screw Block Built-in Deep Groove Bearing Rail 2Specifications of MX Series Block Length Lubrication Unit Width Lubrication Unit Width Mechanical Limit Mechanical Limit L 2MX Series Specifications Before grease is impregnated After grease is impregnated Part Number Block Qty. Base Length (L) Effective Stroke Block Length Lubrication Unit Width LX15∓∓-MX (1 pc.) B1 100 43.9 49.6 4 125 68.9 150 93.9 175 118.9 200 143.9 LX20∓∓-MX (1 pc.) B1 150 76.5 67 5 200 126.5 250 176.5 300 226.5 LX26∓∓-MX (1 pc.) B1 200 105 88 6 250 155 300 205 350 255 400 305 LX(R)30∓∓-MX Long Block (1 pc.) B1 200 90 102 7 250 140 300 190 350 240 400 290 450 340 500 390 550 440 600 490 Short Block (1 pc.) S1 150 65.5 76.5 200 115.5 250 165.5 300 215.5 350 265.5 400 315.5 450 365.5 500 415.5 550 465.5 600 515.5 LX(R)45∓∓-MX Long Block (1 pc.) B1 340 194.4 137.6 8 390 244.4 440 294.4 490 344.4 540 394.4 590 444.4 Short Block (1 pc.) S1 340 231.9 100.1 390 281.9 440 331.9 490 381.9 540 431.9 590 481.9 & Effective stroke is indicated in dimensions with a margin of 2.5mm each from the ends. Single Axis Actuators (LX) Lubrication Unit Series
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