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Summary of Contents for SNT ACL2 120
- Page 1 NO/01/210003 LINEAR ACTUATORS INSTALLATION, OPERATION AND MAINTENANCEnance ACME SCREW ACL2 120 - ACL2 125 - ACL2 128 ACL2 130 - ACL2 140 BALL SCREW ACL2 120B - ACL2 125B - ACL2 128B ACL2 130B - ACL2 140B ENGLISH Ed 08-2021 -...
- Page 2 SNT from any liability for damage caused to persons and / or property. SNT does not assume direct or indirect responsibility for an improper use of the actuator, not respecting the performances of the actuator declared in the catalogs.
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Page 3: Table Of Contents
LINEAR ACTUATORS ACL2/ACL2B 20 - 25 - 28 - 30 - 40 Installation, operation and maintenance manual Contents MODELS COVERED BY THIS DOCUMENT ....................5 IDENTIFICATION OF THE MANUFACTURER AND THE PRODUCT ..............5 Identification of the manufacturer ..................... 5 Description of the product ......................... - Page 4 LUBRICATION ............................20 MAINTENANCE ............................20 Maintenance of ACL2/ACL2 B 20-25-28 actuators ................20 Maintenance of ACL2/ACL2 B 30-40 actuators ................20 9.2.1 Linear drive lubrication ......................21...
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Page 5: Models Covered By This Document
The present manual is referred to following products: Acme screw linear actuators: ACL2 120 – ACL2 125 – ACL2 128 – ACL2 130 – ACL2 140 Ball screw linear actuators: ACL2 120B – ACL2 125B – ACL2 128B – ACL2 130B – ACL2 140B 2 IDENTIFICATION OF THE MANUFACTURER AND THE PRODUCT 2.1 Description of the product... -
Page 6: Identification Of The Product
2.3 Identification of the product Every linear actuator is provided with a nameplate, which allows the product identification and gives technical information about the product. Product description (the mining of symbols and their sequence are indicated on the catalogue); Product code: is an alphanumeric code stating the type of the linear actuator 3) Serial number: is the identification number of the actuator which identifies the exact design of the product even after a long time;... -
Page 7: Transport And Handling
Figure 3.1 – Transport and handling In case of doubt, consult SNT to get the appropriate information and prevent any kind of damage! -
Page 8: Use Restriction
In the event of particular processing requirements, we recommend consulting our sales department. Every modification must be authorized by SNT with written documents. ANY OTHER USE OUTSIDE THAT THAT JUST DESCRIBED IS NOT PERMITTED BY SNT 4.1.1 Use restrictions Actuators can not be used for unforeseen applications. -
Page 9: Standard Operating Conditions
4.1.2 Standard operating conditions The actuator must be used in an environment whose conditions comply with the provisions of SNT. The works necessary for obtaining and maintaining that conditions are in charge of the owner and, where applicable, are in charge of the end user. -
Page 10: Installation
6 INSTALLATION The operations described in the paragraphs of this chapter provide both electrical and mechanical connections of the actuator, as well as the execution of test motions at reduced speed and motor torque or with small displacement steps. 6.1 Safety warnings MOTORS CANNOT BE CONNECTED DIRECTLY TO THE ELETRICITY GRID. -
Page 11: Fce Electric Stroke Limit Switches
6.2 FCE electric stroke limit switches The ELECTRIC STROKE LENGTH LIMIT DEVICE allows to limit the actuator stroke length avoiding to reach the extreme positions (mechanical stop) and preventing damage. The FCE device consists of 2 normally closed electric switches installed inside a sealed box made in engineering plastic or aluminium alloy. -
Page 12: Fcm Magnetic Stroke Limit Switches
6.3 FCM magnetic stroke limit switches The magnetic stroke end switches FCM allow to limit the actuator stroke length avoiding to reach the extreme positions (mechanical stop) and preventing damage. Using more switches it is also possible to set intermediate positions along the actuator stroke length. The stroke end switches must be fixed on the external tube and are activated by a toroidal magnetic field independently of their angular position. - Page 13 The MAGNETIC LIMIT SWITCHES must be connected to the electric control circuit as shown in the following WIRING DIAGRAM: CONTROL CIRCUIT Normally closed (NC) switches Normally open (NO) switches REED SWITCHES – TECHNICAL FEATURES Contact Switching output Reed Supply voltage 5 ÷...
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Page 14: Rotary Encoder Enc.4
6.4 Rotary encoder ENC.4 Encoder ENC.4 – TECHNICAL FEATURES Transducer type Hall-effect encoder, incremental, bi-directional Resolution 4 pulses per revolution PUSH-PULL Output 2 channels (A and B, phase difference 90°) Supply voltage 8 ÷ 32 V DC Max commutable current I 100 mA with load connected to 0 and I = 100 mA: 4.6 V... -
Page 15: Rotary Encoder Eh53
6.6 Rotary encoder EH53 Encoder EH53 – TECHNICAL FEATURES Transducer type Optical encoder, incremental, bi-directional Resolution 100 or 500 pulses per revolution PUSH-PULL Output 2 channels (A and B, phase difference 90°) channel ZERO Input voltage 8 ÷ 24 V DC No-load current 100 mA Max commutable current... -
Page 16: Electric Motor Wiring
6.8 Electric motor wiring PLEASE REFER TO INSTALLATION INSTRUCTIONS OF THE ELECTRIC MOTOR SELECTED FOR THE ACTUATOR. -
Page 17: Linear Actuator Installation
Check if the push rod shifting direction is compatible to the indications on the control unit, by powering the electric motor on VERY BRIEFLY. Figure 6.9 – Push rod shifting directions If the push rod shifting directions are not compatible: A) ACTUATOR WITH THREE-PHASE MOTOR: invert any wire pair (U1 ... -
Page 18: Installation Of Rod End Fitting Elements
• Fit the actuator to the plant in order to have ONLY axial load applied to the actuator. • Check the correct alignment between front and rear pins: they must be PARALLEL. • Check the correct alignment between the actuator and the moving parts. Figure 6.11 –... -
Page 19: Commissioning And Use
7 COMMISSIONING AND USE Linear actuators are supplied lubricated and ready to be used. Before to start commissioning and activation, the following checks must be carried out: Shifting direction check Check if the push rod shifting direction is compatible to the indications on the control unit, by powering the electric motor on VERY BRIEFLY. - Page 20 Every 2 months time interval: visual inspections of actuator conditions, cleaning of dirty parts of the actuator. In case of lubricant leakage, contact SNT. 9.2 Maintenance of ACL2/ACL2 B 30-40 actuators The gearbox is long-life lubricated and will not require any further relubrication.
- Page 21 ACTUATOR Lead pitch Lubrication interval Linear drive – Q.ty of lubricant [mm] [km of stroke] Q.ty for actuator stroke 100mm Q.ty for each additional 100mm of stroke ACL2 130 3 cm³ 2 cm³ ACL2 140 4 cm³ 2 cm³ ACL2 130B 2 cm³...
- Page 22 2, rue Marcel Dassault - Z.I. Croix Saint-Nicolas - 94510 LA QUEUE-EN-BRIE Tel : 01.45.93.05.25 - Fax : 01.45.94.79.95 - Email : contact@snt.tm.fr www.snt.tm.fr...
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