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Precision Compact Linear Actuator  

LAH Series

 (DC servo motor drive)

 

 

O p e r a t i n g   M a n u a l

 

 

 

 

LAH-46-1002-F  

 

LAH-46-3002-F  

 

 

 

 

 

 

 

 

 

 

 

 

 

● 

  Thank you for purchasing our LAH series Precision Linear 

Actuator.  

● 

  Incorrect handling or use of this product may  result in 

unexpected accidents or a shorter product life. Read this 
document carefully and use the product correctly so that 
product can be used safely for many years.  

● 

  Product specifications are subject to change without notice for 

improvement purposes.  

● 

  Keep this manual in a convenient location and refer to it 

whenever necessary in operating or maintaining the product.  

● 

  The end user of the product should have a copy of this manual.   

 

 

ISO14001   

 

 

ISO9001   

 

Summary of Contents for LAH Series

Page 1: ...t in unexpected accidents or a shorter product life Read this document carefully and use the product correctly so that product can be used safely for many years Product specifications are subject to c...

Page 2: ...TION Install the actuator with specified precision When installing the actuator follow the manual and ensure that the actuator shaft is aligned with the center of the paired unit Secure the output rod...

Page 3: ...mproper motion Be sure to observe the following conditions Keep signal and power leads separated Keep leads as short as possible Ground actuator and driver at one single point minimum ground resistanc...

Page 4: ...od 9 6 3 Life 9 II Operation Manual 1 Inspection during unpacking 10 2 Notices on handling 10 3 Design and operational precautions 3 1 Operating environment 10 3 2 Mounting direction of linear actuato...

Page 5: ...Manual 5 Applicable driver 5 1 Driver specifications 16 5 2 External drawing 17 5 3 Connection example 18 6 Trial run 19 7 Storage instructions 7 1 Storage area 19 7 2 Rust prevention 19 7 3 Storage...

Page 6: ...nits of micron and sub micron High positioning accuracy and repeatability Compact size with high driving force Semi closed loop control method Load can be applied in both pushing and pulling direction...

Page 7: ...ommand input Maximum input frequency 100 kp s Only the line collector type encoders are supported Open collector type encoders cannot be connected End limit switch Panasonic FU switch AV4024 incorpora...

Page 8: ...Input voltage DC5V 5 Current consumption 60 mA max 170 mA max Output saturation voltage V0L 0 5V max Output current IOL 20 mA max Output supply voltage Vcc 5 to 15V Max output current DC35V max Signal...

Page 9: ...r Open collector Line driver Brown Signal A Signal A Blue Signal A Red Signal B Signal B Green Signal B Yellow Signal Z Signal Z Orange Signal Z White Power supply Power supply Black Ground COM Ground...

Page 10: ...ble 4 Item Accuracy Load Repetitive positioning accuracy 0 5 morless 1mmstroke 185 Fine stroke positioning accuracy 4 morless 0 2mmstroke 49 196 N 5 20 kgf F u l l s t r o k e p o s i t i o n i n g a...

Page 11: ...in accordance with JISB6201 Through this system optimized and necessary characteristic evaluations for high precision positioning actuators are conducted 5 1 Performance evaluation system Fig 4 Main m...

Page 12: ...value of the max difference of the values P1 through P7 and prepend to the calculated value to obtain the repetitive positioning accuracy Fig 5 2 Full stroke positioning accuracy See Fig 6 a Move the...

Page 13: ...ence The greatest difference of the erroneous difference is the positioning accuracy Fig 7 4 Lost motion See Fig 8 a Move the output rod in the pushing direction to the stroke center position Mark tha...

Page 14: ...nd 13 7 N m 1 4 Kgf m 6 3 Life The life of LAH series linear actuator depends on the fatigue life of its ball screw The equation of the life is as follows 7 3 10 5 23 Fa 1 LS LS Accumulated travel dis...

Page 15: ...le operating conditions performance cannot be sufficiently achieved Also the product life may be shortened or other problems may occur Please observe the following precautions 3 1 Operating environmen...

Page 16: ...the linear actuator head to HRc55 to 65 To move a workpiece toward the rod pulling direction utilize the spring or air cylinder restoring force as shown in Fig 11 At this time keep the load fluctuatio...

Page 17: ...surface on workpiece Set the hardness of the section where the workpiece touches the linear actuator output rod to HRc55 to 65 3 6 Operational precautions Do not use an output rod stopper Doing so ma...

Page 18: ...10 0 to 10 12 1 to 11 17 8 3 to 14 8 LAH 46 3002 F 30 0 to 30 32 1 to 31 36 8 3 to 33 8 Unit mm LS Limit switch Model side mechanical limit position side mechanical limit position side LS operation p...

Page 19: ...e Also the ball screw may be damaged resulting in improper motion Limit switch Panasonic FU switch AV4024 Resistance load 0 5 A 30 Voc COS 1 Limit switch lead wire Pushing side limit switch Pulling si...

Page 20: ...otor Use extension cables with the conductor cross sectional area of 0 1 mm 2 or more for the motor To avoid noise induction to surrounding signal circuits we recommend that you use shielded cables 4...

Page 21: ...trol input signal Enable alarm reset deviation counter reset forward limit Reverse limit Control output signal Ready alarm in position Encoder monitor output Z phase opt isolator output A B Z phase vo...

Page 22: ...LAH Series Manual 17 5 2 External drawing Driver HS 360 1A unit mm DC reactor attached to the driver...

Page 23: ...Manual 18 5 3 Connection example The following is a connection example where the pulse output mode is set to line driver The command mode is two pulse train For open collector refer to the manual of y...

Page 24: ...if the output rod moves smoothly 7 Storage instructions When the linear actuator is stored temporarily or not used for a long period of time pay attention to the following points 7 1 Storage area Plac...

Page 25: ...t that has been subject to 1 user s misapplication improper installation inadequate maintenance or misuse 2 disassembling modification or repair by others than Harmonic Drive Systems Inc 3 imperfectio...

Page 26: ...ve AG Hoenbergstra e 14 65555 Limburg Germany TEL06431 5008 0 FAX06431 5008 18 Harmonic Drive L L C 247 Lynnfield Street Peabody MA 01960 U S A TEL 1 978 532 1800 FAX 1 978 532 9406 1509 4R TLAH46 Har...

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