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Curtiss-Wright | GSM Series      Rev. U      PN29959      3/28/17 

35 

 

 

CSA Certified Product 

 

  

The GSM Linear Actuators are marked as shown after 
passing a rigorous set of design and testing criteria 
developed by CSA International (C22.2 No. 139). This 
label indicates that CSA certifies this product to be safe 

when installed according to the installation guidelines and used with the 
scope of the product specifications

 

  Maximum Rated Force: Up to 3,457 lbf (15.3 kN)   

 
 
 
 
 
 
 
 
 

Summary of Contents for GSM20

Page 1: ...operation of the equipment described herein and any associated motion products that may appear in this document Information in this document pertaining to equipment not furnished by Exlar should be co...

Page 2: ...tallation and Operation 13 3 1 Lubrication Requirements 13 3 2 Mounting Configurations 13 3 3 Mounting Considerations 13 3 4 General Operation 14 3 5 Manual Drive Operating Instructions 15 4 0 Mainten...

Page 3: ...eals wipers bearings brakes bushings gears splines and roller screw parts are considered wear parts and must be inspected and serviced on a regular basis Any damage caused by failure to properly lubri...

Page 4: ...in use today In applications varying from food and beverage packaging to multi axis turning centers to aircraft assembly the GSM Series of actuators show incredible performance and durability The hig...

Page 5: ...iderable time period after incoming power is removed Take care to insure that the amplifier has discharged all power 2 2 Typical System Wiring Please refer to www exlar com for information on connecto...

Page 6: ...aligned differently it is recommended that Exlar be contacted and arrangements made to have that procedure performed Feedback Wiring The wiring of the feedback device is critical to the operation of...

Page 7: ...ace of the actuator require no looping 2 5 GSM Series Linear Actuator Anti rotation Option The unique design of the GSM Series linear actuators allows the extending rod to rotate This simplifies the s...

Page 8: ...d of travel limit switches or home position sensors in low profile extruded channel housing A bracket with inductive proximity switches mounts to the tie rods and senses a traveling magnet inside the...

Page 9: ...witches are 9 30 VDC powered PNP output with either normally open or normally closed logic operation depending on the switch configuration ordered Below is a diagram indicating which logic operation w...

Page 10: ...m moving The holding brake is permanent magnet engaged and electrically released The mechanical advantage of the roller screw allows the holding brake to prevent back driving of the load The holding c...

Page 11: ...ake leads refer to the wiring information at www exlar com cables connections The rear brake option adds length to the dimensions of the GSM actuators as follows See drawings in Section 5 2 GSM20 Add...

Page 12: ...ss of liquids The suffix digit represents conditions of motion during the operation Digit 1 Ingress of Solid Objects The IP rating system provides for 6 levels of protection against solids 1 Protected...

Page 13: ...oil provide outstanding protection against wear rust corrosion and high or low temperature degradation Mobilith SHC allows for very low starting and running torque values Its operating range is 40 C...

Page 14: ...mplifiers consult the sizing and selection section of the Exlar catalog Motor RMS current must be maintained at a level below the continuous current rating of the GSM Series actuator or damage to the...

Page 15: ...il you feel you have bottomed out the manual drive Constant downward force is required to maintain engagement during operation 2 Give the hex a slight turn while observing if you are moving the rod or...

Page 16: ...ed screw actuator Refer to the exploded view on the page 20 1 Remove the actuator assembly from the machine by disconnecting the cables main rod coupling and actuator mounting bolts or fasteners 2 If...

Page 17: ...r Preloaded screws require special tooling and procedures for proper disassembly and reassembly Contact Exlar to arrange for maintenance of a preloaded screw actuator 5 When the face plate is removed...

Page 18: ...well Use the following amounts of grease for each size roller screw and bearing GSM20 0 5 in3 GSM30 0 75 in3 GSM40 1 00 in3 4 3 Reassembly 1 Rethread the roller screw into the internally threaded cyli...

Page 19: ...eously by partially tightening each in an opposing corner pattern until each is torqued to the rated value shown below GSM20 30 lbf in 2 5 lbf ft 3 39 N m GSM30 90 lbf in 7 5 lbf ft 10 16 N m GSM40 24...

Page 20: ...r wrench remove existing seal from actuator face plate and slide off the actuator rod This will require the removal of any rod attachments One source for gland wrenches is Martin Fluid Power https www...

Page 21: ...nd on to the actuator rod and to the face plate 5 Using the appropriate gland and spanner wrench tighten the seal to the proper torque level indicated in the previous table 5 0 CLASS 1 DIVISION 2 OPTI...

Page 22: ...ed terminals and stainless steel spring clamps for resistance to corrosion and vibration Spring clamp design to minimize stress relaxation and maintain contact force even under vibration To use spring...

Page 23: ...Series Rev U PN29959 3 28 17 23 3 Make sure exposed wire is in the clamp not insulated wire 4 Remove the screwdriver The clamp pressure will keep the wire in place No exposed wire should protrude pas...

Page 24: ...5 3 Terminal Box Dimensions 6 0 TROUBLESHOOTING PROCEDURES This section provides you with guidelines and hints on troubleshooting various problems that may be encountered during installation and opera...

Page 25: ...es are wired incorrectly or in incorrect order R S T 6 Feedback resolver or encoder is improperly aligned Contact Exlar Actuator cannot move load 1 Load is too large for the capacity of the actuator o...

Page 26: ...mand Please contact the factory for current lead time EXPEDITED EVALUATION LEADTIME An additional charge per unit can be quoted to expedite an evaluation Ability to expedite is dependent upon producti...

Page 27: ...Curtiss Wright GSM Series Rev U PN29959 3 28 17 27 7 0 CERTIFICATIONS...

Page 28: ...hich can be easily understood by that authority Importers shall ensure that while apparatus is under their responsibility its storage or transport conditions do not jeopardize its compliance with the...

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Page 35: ...ter passing a rigorous set of design and testing criteria developed by CSA International C22 2 No 139 This label indicates that CSA certifies this product to be safe when installed according to the in...

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