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LES 4 Narrow Profile Ball Screw Linear Actuator

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  • LES 4 Narrow Profile Ball Screw Linear Actuator
  • LES 4 Narrow Profile Ball Screw Linear Actuator Dimension Drawing
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The LES 4 is an enclosed, narrow profile ball screw slide with travels from 4" up to 107"
  • Travels from 110m to 2710mm in 100mm increments
  • Long life, no adjustments needed
  • Available with inline or side mount motors or no motors.
  • Options include 1 or 2 bearing carriages for light or heavy loads
  • Comes with limit switches at both ends of travel
    • external, adjustable limit switches also available as an option
  • Vertical load of 125 kg (275 lb.) see spec sheet for load and moment specifications.
  • Enclosed one piece body prevents dust from entering mechanism and stiffens the slide
  • Enclosed profile eliminates the need for bellows covers that reduce travel
  • Ball screw pitch of 2.5mm, 5mm, 10mm or 20mm
  • NEMA 23 or NEMA 34 motor mount or custom motor mount available
  • Optional positive air pressure fittings to keep dust and dirt out
  • Available as XY or XYZ Cartesian Robots or as part of an H frame system
  • For an introduction to Cartesian Robots, please read What is a Cartesian Robot?
  • Can also be supplied with stepper controls or servo control
  • KNOW WHAT YOU WANT: Click here to select model and ADD TO QUOTE
  • NOT SURE WHAT YOU NEED? Tell us a little about your application and WE WILL HELP YOU
  • LES 4 Catalog Pages    and   LES 4 Solid Models
For more demanding applications, see our HEAVY DUTY LES 5 Ball Screw Actuator
LES 4 Dimensioned Drawing
LES 4 Narrow Profile Ball Screw Slide Dimensions
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LES 4 Catalog Pages    and   LES 4 Solid Models

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Please add a quantity to the following accessories before clicking the "Add to Quote" to add items to your quote.
Motor Standoffs
Motor Standoffs
218100_1001

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Features
  • Max load 400 lbs
  • Limit Switches at both ends of travel are included
  • One piece aluminum body for rigidity with teflon lips-protect from dust & dirt
  • Features precision rolled ball screw and patented antibacklash ballnut for precise play-free positioning
  • Speed up to 20 in/sec
  • Narrow base 75mm width
  • 28 Standard Travels From 140 to 2840mm
  • CAD drawings available for download
  • Can be Configured as XY or XYZ
  • Complete Electronics Package Available to Complete your Application
  • Screw Lead of 2.5, 5, 10 & 20 mm
  • Repeatability : ± 0.01 mm (± .0004 in)
  • Accuracy : ± 0.1 mm / 300 mm (± .004 in / 12 in)
  • Various Carriage Plate Options Available
  • Optional positive air pressure fittings to keep dust and dirt out
 
LES 4
Aluminium profile LES 4   No load torques (Ncm)   LES 4 with one WS 5/70   LES 4 with two WS 5/70
Moment of inertia Ix  107.711 cm4   Speed (rpm) Spindle pitch   C0 2,576.65 N   C0 4,954.5 N
Moment of inertia Iy  125.843 cm4   2.5 4 5 10 20   C 2,576.65 N   C 2,809.5 N
*Centre of gravity see dimensioned drawing 33.23 mm   500 15 15 16 17 18   F1 static 96.20 Nm   F1 static 4,231.5 N
Cross-sectional area  18.81 cm2   1500 19 19 19 20 21   F1 dynamic 2,200.67 N   F1 dynamic 2,398.5 N
Material  AIMgSiO, 5F22   3000 23 24 24 25 26   F2 static 36.45 Nm   F2 static 4,954.5 N
Anodising  E6/EV1                 F2 dynamic 46.59 Nm   F2 dynamic 2,809.5 N
Weight with steel shafts  6.2 kg/m                 Mx static 1,461.14 N   Mx static 44.7 Nm
Weight with steel shafts and spindles 7.6 kg/m                 My static 1,461.14 N   My static 126.945 Nm
                    Mz static 20.67 Nm   Mz static 148.635 Nm
LES 4 / 5 / 6  Spindle pitch p [mm]  2.5 4 5 10 20       Mx dynamic 1,247.93 N   Mx dynamic 25.2 Nm
Profile length L [mm] max. permissible spindle speed n [rpm] max. permissible feed speed v permissible [mm/s]       My dynamic 82.16 Nm   My dynamic 71.955 Nm
490 4000 167 267 333 667 1333       Mz dynamic 54.55 Nm   Mz dynamic 84.285 Nm
990 3000 125 200 250 500 1000                
1390 1500 63 100 125 250 500    

process travel

at 1 × WS 5/70 = L1 -150 mm

at 2 × WS 5/70 = L1 -280 mm

    
1490 *  3000 125 200 250 500 1000      
1990 *  1650 69 110 138 275 550      
2490 *  1050 44 70 88 175 350      
2990 *  750 31 50 63 125 250      
* with spindle support                            
 
Linear unit  LES 4 
Aluminium profile WxH (mm)  75 x 75 
Guide weight (kg/m)  6.2
Moment of inertia Ix (cm4)  126
Moment of inertia Iy (cm4)  107
Weight with spindle (kg/m)  7.6
Guide slides  1x WS 5-70
2x WS 5-70
Slide weight (kg)  0.34 / 0.68 
Spindle pitch (mm)  2.5 / 4 / 5 / 10 / 20
Max. permissible feed force (N)  2626 / 3450 / 3450 / 3150 / 1425
Repeat accuracy (mm)  ± 0.02
Process path (mm)  L 1 - 150 / L 1 - 280
Noise level (dBA)  < 85
Storage temperature range (°C)  0 – 40
Operating temperature range (°C)  0 – 60 (80)
Relative air humidity (%)  < 90

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