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B3S Linear Actuators

The B3S features a robust integrated and enclosed bearing design for the toughest environments

Tolomatic’s B3S is a linear screw driven rodless actuator series that has a enclosed carrier support bearing design that provides long life and high load capability. The bearings and screw are protected by a stainless steel dust band that provides a IP44 rating against dust and debris.

  • 3 body sizes
  • Maximum Load carrying capacity up to 8,032 lbf (3,642 kg)
  • Stroke lengths up to 179 in (4.5m)
  • Travel speeds up to 60 in/s (1.5 m/s)
  • IP44 rating against dust and debris
  • Auxiliary carrier and dual wraparound carrier options available for increased load capability

Features & Ordering

Download the B3S Brochure for full details on features

B3S Brochure

B3S Features

B3S Ordering

Specifications

B3S Electric Rodless Actuator Specifications

Specifications Units B3S10 B3S15 B3S20
Maximum Stroke in (mm) 136 (3,454) 133 (3,378) 131 (3,337)
Maximum Force lbf (N) 170 (756) 800 (3,559) 2,700 (12,010)
Maximum Load lbs (kg) 591 (268) 1,454 (660) 2,008 (911)
Maximum Speed in/sec (mm/sec) 60 (1,524) 60 (1,524) 60 (1,524)

B3S Screw Drive Specifications

B3S Specifications

B3S US Conventional Specifications
B3S SIZE MAX STROKE SCREW TYPE SCREW LEAD MAX THRUST LEAD ACCURACY BACKLASH SCREW DIAMETER BASE ACTUATOR INERTIA BASE ACTUATOR INERTIA INERTIA PER in OF STROKE MAXIMUM DYNAMIC FRICTION TORQUE
LMI RP
in turns/in lbf in/ft in in lb-in2 lb-in2 lb-in2 lb-in
10 64.2 BN(L)08 8.00 130 0.0040 0.015 0.375 0.003 0.004 0.0005 1.1
136.2 SN05 5.00 170 0.0060 0.007 0.500 0.011 0.014 0.0017 1.3
134.2 SN02 2.00 170 0.0050 0.007 0.500 0.016 0.019 0.0017 1.8
134.2 SNA02 2.00 170 0.0050 0.003 0.500 0.019 0.022 0.0017 1.8
100.2 SN01 1.00 170 0.0060 0.007 0.500 0.032 0.035 0.0017 2.5
15 61.4 BN(L)02 2.00 800 0.0030 0.015 0.500 0.025 0.028 0.0017 1.6
61.4 BN(L)05 5.00 800 0.0030 0.015 0.625 0.040 0.047 0.0042 1.3
133.4 SN02 2.00 200 0.0050 0.007 0.625 0.048 0.055 0.0042 1.9
133.4 SNA02 2.00 200 0.0050 0.003 0.625 0.048 0.055 0.0042 1.9
133.4 SN01 1.00 300 0.0050 0.007 0.750 0.119 0.133 0.0087 2.8
20 131.4 BN(L)02 2.00 2,700 0.0040 0.015 0.750 0.116 0.122 0.0087 3.1
131.4 BN(L)05 5.00 950 0.0030 0.015 0.750 0.105 0.111 0.0087 2.2

(L) for low backlash ball screws: backlash = 0.0020”

B3S US Metric Specifications
B3S SIZE MAX STROKE SCREW TYPE SCREW LEAD MAX THRUST LEAD ACCURACY BACKLASH SCREW DIAMETER BASE ACTUATOR INERTIA BASE ACTUATOR INERTIA INERTIA PER in OF STROKE MAXIMUM DYNAMIC FRICTION TORQUE
LMI RP
mm mm/rev N mm/300mm mm mm kg-cm2 kg-cm2 kg-cm2 Nm
10 1,630 BNM10 10.00 1,832 0.10 0.06 10.0 0.010 0.012 0.0001 0.13
15 3,388 BNM05 5.00 7,300 0.05 0.05 16.0 0.047 0.055 0.0005 0.27
20 3,337 BNM05 5.00 11,700 0.05 0.06 20.0 0.322 0.342 0.0011 0.25

 

Dimensions

B3S10 Actuator & Options Dimensions

B3S15 Actuator & Options Dimensions

B3S20 Actuator & Options Dimensions

B3S10 Dual 180º Option Dimensions

B3S15 Dual 180º Option Dimensions

B3S20 Dual 180º Option Dimensions

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Product Family: Electric
Product Used: B3S Screw Drive Actuator

Conveyor Case Packer Automation

Application Description:
Convert the conveyor packer, located at the end of the conveyor, from pneumatic cylinders to electric actuators. Motions required include: several high-speed push operations, a centering operation, a tipping operation, and a container lift operation.