302 TECHNICAL INFORMATION 2Maintenance t 3PVUJOF *OTQFDUJPOT Perform inspection once per 3 to 6 months. Check for proper lubrication conditions, clean-up and grease refill. Check on mounting screws for looseness. t -VCSJDBUJPO The recommended lubricants are shown as below. LX15, LX20, LX26 Series 蠉 Showa Shell Sekiyu-made Alvania Grease S No.2 LX30, LX45 Series 蠉 Showa Shell Sekiyu-made Cartridge Grease EP2 Low Dust Generation Grease Type 蠉 NSK LG2 Recommended greasing cycle is per 6 months or 1,000km under normal operating conditions. * Lubrication intervals, however, depend on usage conditions and environments. 2Cautions for Operating Environments: Ensure that it is used at an ambient temperature of 50°C or less. It is recommended to provide mechanical stoppers to prevent overrun. t "MMPXBCMF 3PUBUJPOBM 4QFFE Size-specific allowable rotational speed is indicated below. Part Number Lead Rail Length Allowable Rotational Speed (min-1) LX30 5 125~450 4920 500 4440 550 3600 600 3000 10 150~450 4980 500 4440 550 3600 600 3000 2About Single Axis Actuator LX Low Dust Generation Grease The products are shipped with low particle generation grease applied for high cleanliness environments. LG2 (Made by NSK Ltd.) generates less particles and exhibits excellent corrosion resistance. For part number selections, please see each product page. Item Conditions Unit Measurement Method LG2 (Made by NSK Ltd.) Grease Performance Thickener - - - Lithium Type Base Oil - - - Mineral Oil + Synthetic Hydrocarbon Oil Base Oil Kinetic Viscosity 40°C mm2/s JIS K2220 5.19 30 Worked Penetration - - JIS K2220 5.3 207 Dropping Point - °C JIS K2220 5.4 200 Evaporation 99°Cx22hr wt% - 1.40% Oil Separation 100°Cx24hr wt% JIS K2220 514 0.80% Operating Temp. In Air °C - -10~80 Measuring Time 1H 2H 3H 4H 5H 6H 7H 8H 9H LX (Low Dust Generation Grease) 8124721123 LX (Standard) 8 8 12131516142018 2Particle Generation Comparison 2Particle Generation Test Evaluation Equipment - Overview Aluminum Extrusion Single Axis Actuator LX Particle Counter <Evaluation Conditions> Clean Room Class 100 (in a clean room) Room Temperature: 24°C±2°C, Humidity: 45%±5% (Particle Counter Name) Hand-held Particle Counter KR-12A (Rion Co., Ltd.) Tested Actuator: LX2001-B1-A2040-200 Motor Speed: 3000rpm 0 5 10 15 20 25 1H 2H 3H 4H 5H 6H 7H 8H 9H LX (Low Dust Generation Grease) LX (Standard) Clean Room Class 100/ISO Class 5 The measurement results meet the conditions above. * These are not guaranteed values but reference values. Values considerably vary depending on operating environment. Part Number Lead Rail Length Allowable Rotational Speed (min-1) LX15 2 75~ 200 6000 LX20 1 80~ 200 6000 5 100~ 300 LX26 2 100~ 300 6000 5/10 150~ 350 6000 400 5350 LX45 10 340~ 590 3300 20 340~ 590 3330 2Low Dust Generation Grease Performance Table 0.3μm or larger particle count (m3) Single Axis Actuators (LX) Low Dust Generation Grease Specifications
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