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Medium Thrust Linear Actuator
LAH-80 Series
Technical Document
Operation Manual
Stepping motor models
● Thank you for implementing our precision linear actuator
LAH-80 Series.
● Incorrect handling and use of this product can cause
unexpected accidents and shorten the life of the product.
Before using this document, read it carefully to ensure
correct and safe use of the product over a long period of
time.
● Product specifications are subject to change without
prior notice for improvement purposes.
● Keep this manual in a convenient location and refer to it
whenever necessary in operating or maintaining the
units.
● The end user of the driver should have a copy of this
manual.
ISO14001
ISO9001
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Table of Contents
Related Manuals for Harmonic Drive LAH-80 Series
Summary of Contents for Harmonic Drive LAH-80 Series
- Page 1 Medium Thrust Linear Actuator LAH-80 Series Technical Document Operation Manual Stepping motor models ● Thank you for implementing our precision linear actuator LAH-80 Series. ● Incorrect handling and use of this product can cause unexpected accidents and shorten the life of the product.
- Page 2 Do not insert your hand, etc. into the operation area of the output rod (output shaft) of the linear actuator. High thrust is outputted from the output rod. Inserting your hand into the operation area may cause injury. ● LAH-80 series: Maximum thrust of 3000N (306kgf) ● WARNING...
- Page 3 NOTICES TO USE A DRIVER UNIT Notices for designing and application: Always read the relating technical documents for the purpose. Always use the driver unit in the specified Make sufficient noise suppression and grounding. environment. ● Electric noise on a signal wire may cause result in unit malfunction or unexpected occurrence of troubles.
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Page 4: Table Of Contents
LAH-80 series Technical Document Contents I. Technical Document 1. Outline of LAH-80 Series ....................... 1 2. Model and Symbols ........................2 3. Specification ..........................3 Linear actuator ........................3 Paired control unit ........................4 End limit sensor specification ....................5 4. - Page 5 LAH-80 series Technical Document 6. Storage overview ......................... 22 Storage location ........................22 Rust proof measure ....................... 22 Storage orientation ........................ 22...
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Page 6: Technical Document
LAH-80 Series Technical Document I. Technical Document 1. Outline of LAH-80 Series The linear actuator LAH-80 Series is a high-precision, medium-thrust type linear actuator that can perform high-speed feed comprised of precision ball screws, Harmonic Drive, and stepping motor. Features ◆... -
Page 7: Model And Symbols
LAH-80 Series Technical Document 2. Model and Symbols ＬＡＨ-８０-５０ ２０-Ｆ-ＰＡ LAH series Size Stroke (mm) Rated thrust (2000N) Flange mounting type Stepping motor drive shaft PA: No shaft on the non-load side PB: Shaft provided on non-load side - 2 -... -
Page 8: Specification
LAH-80 Series Technical Document 3. Specification 3-1 Linear actuator Model LAH-80-5020-F-PA/PB Item Stroke 50mm (±25mm) Stroke upon a limit sensor trip 51mm (±25.5mm) Resolution Note 1 2μm Maximum feed speed 10mm/S Rated thrust Note 4 2000N (204kgf) Maximum thrust Note 5... -
Page 9: Paired Control Unit
LAH-80 Series Technical Document 3-2 Paired control unit Model UDK5114NW2 (Oriental Motor) Applicable actuator L A H - 8 0 - 5 0 2 0 - F - PA / P B Power supply Single-phase 100 to 115V (-15%, +10%) 50/60Hz 5.5A... -
Page 10: End Limit Sensor Specification
LAH-80 Series Technical Document 3-3 End limit sensor specification Sensor model D-F79 (SMC) Wiring method 3-wire Output method NPN type Output logic Transistor ON upon limit detection Reproducibility ±0.03mm Applicable load IC circuit, PLC, relay Power supply voltage DC5､12､24V(DC4.5 to 28V) -
Page 11: Performance Evaluation System And Evaluation Method
LAH-80 Series Technical Document 4. Performance evaluation system and evaluation method As performance evaluation of the linear actuator LAH-80 Series, characteristic evaluation that is optimal and necessary for a high-precision positioning system actuator is performed with our proprietary evaluation system based on JIS B6201. -
Page 12: Performance Evaluation Method
LAH-80 Series Technical Document 4-2 Performance evaluation method (1) One-way positioning accuracy (in compliance with JIS B6201) a) Move the output rod to the specified lead-in side limit, and then move it 1mm to the push-out direction. The position is the reference position. - Page 13 LAH-80 Series Technical Document (3) Reverse positioning accuracy (in compliance with JIS B6201) (Lost motion) a) Move the output rod to the push-out direction, and then move it to the center of displacement (±0mm). The point is b) From Ao, feed it 1mm to the push-out direction. The point is A c) From Point A , feed it 1mm to the pull-in direction, and measure the point.
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Page 14: Mechanical Characteristics
The maximum allowable static axial load is the allowable axial load (tensile load and compressive load) regardless of the stroke of the output rod when the linear actuator is stopped (servo lock, etc). The maximum allowable static axial load of the LAH-80 Series is 4000N. 5-3 Maximum allowable radial load (Fr）... -
Page 15: Output Rod Movement Direction
LAH-80 Series Technical Document 5-5 Output rod movement direction The movement direction of the output rod of the linear actuator is the rod pull-in direction at a (+) direction input command. Direction input (+)command Movement direction Figure 6 5-6 Shock resistance... -
Page 16: Vibration Resistance
Right Down Figure 8 5-8 Life The life of the linear actuator LAH-80 Series is the fatigue life of the precision ball screw used. The life can be obtained from the following formula. Ls = x 8.65 x 10 (km) -
Page 17: Connection
LAH-80 Series Technical Document 6. Connection For the terminal block and connector pin layout and specific operation methods, refer to the operation manual of the stepping motor driver UDK5114NW2 (Oriental Motor). Signal input UDK5114NW2 Nete.1 +CW/PLS (+) Direction command pulse... -
Page 18: External Drawing
LAH-80 Series Technical Document 7. External drawing (a) Linear actuator： LAH-80-5020-F-PA/PB Unit:mm (+) End limit sensor lead wire Motor lead wire (-) End limit sensor lead wire * Indicates a travel of ±0mm. (b) Driver: UDK5114NW2 Unit:mm Slit - 13 -... -
Page 19: Operation Manual
II Operation Manual Thank you for purchasing the linear actuator LAH-80 Series. This Operation Manual describes how to handle the LAH-80 Series and cautions. Some information may overlap with the information described earlier in “For safe use.” Before using this product, read it carefully for safe use. -
Page 20: Structure And Part Names
LAH-80 Series Technical Document 3. Structure and part names ① Output rod ⑦ Motor flange (Material: Stainless) (Material：Aluminum, Surface treatment：Alumite) ② Installation flange ⑫ (＋) End limit sensor lead wire (Material: Stainless) ③ Output rod fixing screw ⑬ (－) End limit sensor lead wire (M8 compatible) ④... -
Page 21: Cautions On Design And Use
LAH-80 Series Technical Document 4. Cautions on design and use Poor operation methods or operating environments result in unsatisfactory performance, shorter product life, or unexpected troubles. To avoid this, observe the following. 4-1 Operating environment Use the linear actuator in the following environment. -
Page 22: Load Direction
LAH-80 Series Technical Document 4-3 Load direction The load (thrust) direction can be the push-out and pull-in directions of the output rod. If the load direction changes between the push-out and pull-in directions of the output rod, especially the reverse positional accuracy becomes poor because the elastic deformation of each component of the linear actuator is involved. -
Page 23: Adjustment Of The End Limit Sensor
LAH-80 Series Technical Document Mechanical push-out limit Mechanical pull-in limit Figure 13 ◆ Do not use the product with the travel exceeding the available range as shown in Figure 14 and Figure 15. It may cause failure, poor accuracy, or injury. -
Page 24: Wiring
LAH-80 Series Technical Document 4-7 Wiring The control unit is a control device that processes signals of several mV or less. Observe the following to perform wiring. (1) Use a twisted pair shielded cable with the required number of conductors as the I/O signal line. If two or more control units are used, use a separate cable for each of the control units. -
Page 25: Operation
LAH-80 Series Technical Document 5. Operation 5-1 Cautions on operation Do not insert your hand in the output rod (movement shaft) of the linear actuator. CAUTION Do not touch the terminal for 3 minutes after power off. ◆ Operation cannot be done by power on/off. It deteriorates the internal circuit elements. -
Page 26: Test Run
LAH-80 Series Technical Document 5-3 Test run For a test run, check the following and perform it at low speed without any load. Check items before test run ◇ ◆ The linear actuator is installed securely. ◆ The motor and end limit sensor lead wire are wired correctly. - Page 27 LAH-80 Series Technical Document 6. Storage overview To store the linear actuator temporarily or stop using it for a long time, take measures based on the next page. After storing it for a long time, perform a trial run (refer to Trial run in section 5) to check the operation state.
- Page 28 ■ Warranty period Under the condition that the actuator are handled, used and maintained properly followed each item of the documents and the manuals, all the LAH-80 series are warranted against defects in workmanship and materials for the shorter period of either one year after delivery or 2,000 hours of operation time.
- Page 29 TEL+81(0)263-83-6800 FAX+81(0)263-83-6901 〒399-8305 Harmonic Drive SE : Hoenbergstrasse 14 D-65555 Limburg a.d. Lahn, Germany TEL+49-6431-5008-0 FAX+49-6431-5008-119 Harmonic Drive L.L.C. : 42 Dunham Ridge, Beverly, Massachusetts 01915, U.S.A. TEL+1- 978-532-1800 FAX+1- 978-532-9406 "HarmonicDrive ® " is a trademark of Harmonic Drive Systems,Inc.