The 11-LEFS is the clean room version of SMC's LEFS ball screw slider. A built-in vacuum port is used to draw off particles generated by the ball screw and guide to achieve the ISO Class 4 standard. This model is fitted with an AC servo motor with incremental or absolute encoder. Pulse input drivers are available with optional communication protocols. Some options standard
How To Order: Step Motor (Servo/24 VDC) Servo Motor (24 VDC) Electric Actuator/Slider Type Ball Screw Drive Clean Room Speciļ¬cation 11-LEFS Series LEFS16, 25, 32, 40 1000 Manufacturable stroke range [mm] 11-LEFS16 V V V V V V V V V V 50 to 500 11-LEFS25 V V V V V V V V V V V V 50 to 600 11-LEFS32 V V V V V V V V V V V V V V V V 50 to 800 11-LEFS40 V V V V V V V V V V V V V V V V V V 150 to 1000 *Please consult with SMC for non-standard strokes as they are produced as special orders.
Screw Drive Horizontal Vertical 20 20 Lead 6: 11-LEFS25B Work load: W [kg] Work load: W [kg] Lead 6: 11-LEFS25B 15 15 10 10 Lead 12: 11-LEFS25A 5 5 Lead 12: 11-LEFS25A 0 0 0 100 200 300 400 500 600 Speed: V [mm/s] 0 100 200 300 400 500 600 Speed: V [mm/s] 11-LEFS32/Ball Screw Drive Horizontal Vertical 50 50 Lead 8: 11-LEFS32B 40 40 Work load: W [kg] Work load: W [kg] 30 30 Lead 16: 11-LEFS32A
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Series: 11-LEFS (Clean Series Ball Screw Drive), Accuracy: Basic Type, Size: 32, Motor Type: S3 (200W Output, Incremental Encoder), Lead: A (LEFS25, 12mm; LEFS32, 16mm; LEFS40, 20mm), Stroke: 50mm, Motor Option: w/o Lock, Vacuum Port: Left, Actuator Cable Type: S (Standard Cable), Actuator Cable Length: 2 (2m), Driver Type: A1 (LECSA1-S, 100~120V, Incremental, Pulse Input), I/O Connector:
Series: Clean Series Ball Screw Drive, Accuracy: Basic Type, Size: 32, Motor Type: 200W Output, Incremental Encoder, Lead: LEFS25, 12mm; LEFS32, 16mm; LEFS40, 20mm, Stroke: 50mm, Motor Option: w/o Lock, Vacuum Port: Left, Actuator Cable Type: Standard Cable, Actuator Cable Length: 2m, Driver Type: LECSA1-S, 100~120V, Incremental, Pulse Input, I/O Connector: w/Connector