Nexen Nexsafe RLSSB-C User Manual Download | Manualshive

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FORM NO. L-21699-B-1120

FORM NO. L-21699-B-1120

Safety Rated Rod/Shaft Lock

Spring Engaged, Air Released

RLSSB-S

(Stand Alone)

RLSSB-C

(Cylinder Mount)

RLSSB-C-MR

(Cylinder Mount with Manual Release)

RLSSB-S-MR

(Stand Alone with Manual Release)

LINEAR MOTION CONTROL

PRODUCTS

User Manual

safe

™

Certified Safety Products

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Summary of Contents for Nexsafe RLSSB-C

Page 1: ... Rated Rod Shaft Lock Spring Engaged Air Released RLSSB S Stand Alone RLSSB C Cylinder Mount RLSSB C MR Cylinder Mount with Manual Release RLSSB S MR Stand Alone with Manual Release LINEAR MOTION CONTROL PRODUCTS User Manual safe Certified Safety Products ...

Page 2: ...ice until the machinery into which it is to be incorporated has been declared in conformity with the applicable provisions of the Directive Read this manual carefully before installation and operation Follow Nexen s instructions and integrate this unit into your system with care This unit should be installed operated and maintained by qualified personnel ONLY Improper installation can damage your ...

Page 3: ...autions 4 Product Description 5 Safety Standard Compliance 6 Transport Handling Storage 6 Installation 7 Rod Material 8 Lubrication 8 Optional Operating Mode Sensor s 9 Rod Lock Air Connections 10 Air Controls and Programming 11 Manual Release 12 Service 12 Troubleshooting 13 Warranty 14 ...

Page 4: ...roduct The parts have complex shapes and machined edges CAUTION Do not use a Rod Lock to stop a rotating shaft This product is not intended for torsional braking or frequent dynamic braking WARNING Ensure proper guarding of the product is used Nexen recommends the machine builder design guarding in compliance with OSHA 29 CFR 1910 Occupational Safety and Health Hazards Do not engage the Rod Lock w...

Page 5: ... the rod Manual release units are also equipped with a cam operated manual release feature to mechanically disengage the rod lock A series of equally spaced compression springs provide the rod lock actuating force Dozens of ball bearings separate a split tapered collar and piston The piston travels up the ramp on the collar under spring force and causes the split collar to constrict on the rod Air...

Page 6: ...re Observe intended use of the Rod Lock Rod Lock sized and applied correctly per system requirements Rod Locks are to be selected and integrated into the safety machine in accordance with ISO 13849 1 2015 by the system manufacturer TRANSPORT HANDLING STORAGE During transport the product will be in the default engaged position with a dummy rod inserted eliminating the possibility of parts shifting ...

Page 7: ...changeably The S stand alone series Rod Locks are designed to mount on round guide rods and are typically mounted in accordance with the design of the machine The C cylinder series Rod Locks are designed to mount directly to NFPA or ISO flush mount air cylinders The C mounted Rod Locks come with 4 mounting screws These screws are used to attach the Rod Lock to cylinders with tapped holes in the in...

Page 8: ...8 inch Greater than 52 HRC 8 3 microns 0 0003 0 0005 inch The diameter should lie in the h8 tolerance range Reference USAS B4 1 1967 1974 ISO 286 1 1988 ISO 286 2 1988 The rod must be clean and dry to maintain optimum holding forces The surface roughness Rmax should be 1 6 microns 63 micro inch or better The rated holding force corresponds to static load conditions If the rated value is exceeded s...

Page 9: ...o the measured state Once installed on the rod Nexen recommends checking the positioning of the sensor for proper switching location Wire magnetic sensor and insert cable clip into t slot per the instructions included with the sensor s Provide power to sensor and complete the following Sensing Disengagement Position 1 With rod lock on rod supply air pressure to the rod lock so it is disengaged 2 I...

Page 10: ... and or pipe sealantonthethreads IftheoptionalSolenoidValveisn t mounted directly to the Rod Lock it is recommended to mount a Quick Exhaust Valve near the Rod Lock for better brake response times Refer to Figure 7 Table 2 NOTE Align the air inlet ports in the down position to allow condensation to drain out of the air chamber 2 Attach the air supply line to the air inlet the quick exhaust valve o...

Page 11: ... below STAND ALONE MOUNTING Specifications match those of cylinder models listed above Figure 8 W Lowering Control Raising Control 5 3 4 2 12 1 1 3 2 Rod Lock Flow Control Valves 3 Way Valve Regulator 5 3 Valve Quick Exhaust Valve Manual Override Defaults to Lock If Equipped System Shown Vertical mounting with the load on top of the cylinder Figure 10 System Shown Cylinder control using a 5 3 valv...

Page 12: ...e clockwise direction as shown by the arrows on the product Do not turn the bolt counterclockwise damage to the release mechanism may result CAUTION Do not over torque release mechanism Using excessive torque may damage mechanism SERVICE Note Safety Rated Units are not customer serviceable Please contact Nexen for repair or replacement Mission Time 10 years maximum Dependent upon cycle rate and us...

Page 13: ...Debris on rod Check rod and clean if necessary Rod is worn Reposition so rod lock is clamping on an unworn section of rod Ensure rod is as specified in Rod Material Section Sensor Feedback not working Magnetic sensor interference Sensor is detecting a magnetic field Avoid any ferrous materials in close proximity to sensor Sensor positioning Check sensor position Follow installation instructions No...

Page 14: ...ATURE WHATSOEVER WHETHER ARISING OUT OF BREACH OF WARRANTY OR OTHER BREACH OF CONTRACT NEGLIGENCE OR OTHER TORT OR OTHERWISE EVEN IF NEXEN SHALL HAVE BEEN ADVISED OF THE POSSIBILITY OR LIKELIHOOD OF SUCH POTENTIAL LOSS OR DAMAGE For all of the purposes hereof the term consequential damages shall include lost profits penalties delay damages liquidated damages or other damages and liabilities which ...

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