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NEW Low Price Actuator VLA CATALOG No.320E Low Price Actua Two types of actuator are available Actuator Model VLA is offered in two types You can select either type according to your service conditions Slider Type: Model VLA-ST Structural drawing of Model VLA-ST Stainless steel cover Slider AC servomotor * Note Ball screw QZ Lubricator Caged Ball LM Guide model SRS Cylinder Type: Model VLA-CT Structural drawing of Model VLA-CT Laminated Contact Scraper LaCS*3 Rod AC servomotor * Note QZ Lubricator Ball screw Note) Ac servomotors are not included in VLA actuator Installation of the Motor need to be performed by customer ator Model VLA Features of Model VLA ●Low Price with Simple Structure Since model VLA uses an LM Guide as the direct base of the actuator unit and has fewer components, a simple structure, small weight and compact design are achieved As a result, a low price actuator is realized ●Long-term Maintenance-free Operation Lightweight, compact type LM Guide model SRS*1, which provides a significantly high performance through adoption of ball cages, is used in the linear motion guide unit In addition, the ball screw unit is attached with QZ Lubricator*2, which is capable of minimum and optimal lubrication As a result, long-term maintenance-free operation is achieved *1: Caged Ball LM Guide model SRS LM rail LM block Endplate End seal Side seal Ball Ball cage With model SRS, use of ball cages eliminates friction between balls and allows the following effects to be obtained 1) Low noise, acceptable running sound 4) Excellent smoothness 2) Long-term maintenance-free operation 5) Low dust generation 3) High-speed response, long service life *2: QZ Lubricator Sealed casing Highly oil-impregnated fiber net Nut Screw shaft Applied directly to the raceway ●Eco-friendly and Highly Energy-efficient By replacing a conventional air cylinder with Motored Actuator model VLA, the customer can eliminate exhaust noise and achieve high energyefficiency and energy saving without contaminating the environment with lubrication oil mist ●Productivity Several manufacturers of motors can be assembled without additional flange according to your control specifications High density fiber net Flow of lubricant Oil controlling fiber net 1) Substantially extended maintenance interval With ordinary grease lubrication for a ball screw, slight amount of oil is lost as the ball screw travels Attaching QZ Lubricator supplements oil loss over a long period and allows the maintenance intervals to be significantly extended 2) Eco-friendly lubrication system QZ Lubricator feeds the right amount of oil to the right location with a high density fiber net, making itself an eco-friendly lubrication system that dose not waste oil *3: Laminated Contact Scraper LaCS Contact scraper Liquid ●A Motor of a Different Manufacturer Mountable You can choose an AC servomotor to mount on the actuator from several manufacturers according to your control specifications Note: Mountable motors may be limited depending on the dimensions and the capacity See page 13-14 for details Large amount of foreign matter With a laminated contact structure (2-layer scraper), LaCS removes minute foreign matter adhering to the LM rail in multiple stages to prevent it from entering the LM block Low noise, acceptable running sound - Since 2-layer scrapers are in full contact with the LM rail, LaCS is highly capable of removing minute foreign matter - Use of oil-impregnated expanded synthetic rubber with a self-lubricating capability achieves a low frictional resistance Model VLA-ST ●Example of the actuator’s model number coding ➀ Model number ➁ Type: ST ➂ Classification in main unit size 45: 45-mm height 60: 60-mm height ➄ Stroke E.g., 0050: 50 mm 0200: 200 mm ➇ Motor encoder specifications N: no motor ➅ Type (mounting method) N: no motor ➆ Motor wattage 000: no motor ➃ Ball screw lead 06: mm 12: 12 mm ➈ Motor lead line direction N: no motor ➉ Option N: no option ●Model VLA-ST Specifications ST-45 (30W) ST-60 (50W) ST-60 (100W) High speed type Medium speed type High speed type Medium speed type High speed type Medium speed type Rated speed mm/s 600 300 600 300 600 300 Stroke: 300 or less 1000 500 1000 500 1000 500 Stroke: 350 1000 500 800 400 800 400 Stroke: 400 1000 500 800 400 800 400 Stroke: 450 840 420 800 400 800 400 Maximum speed mm/s Stroke: 500 680 340 800 400 800 400 Stroke: 550 800 400 800 400 Stroke: 600 680 340 680 340 Stroke: 700 500 250 500 250 Rated thrust N 40 80 67 133 134 267 Maximum thrust N 117 235 201 402 398 796 Maximum acceleration G 0.3 Horizontal mass capacity kg 10 16 16 30 Vertical mass capacity kg 1.5 2.5 5 10 Ball screw shaft diameter mm 12 Ball screw lead mm 12 12 12 Motor wattage *Note W 30 50 100 Motor rated torque *Note N•m 0.095 0.159 0.319 Positioning repeatability mm ±0.020 Backlash mm 0.1 Permissible moment N•m Ma=Mb=12 Mc=31 Ma=Mb=25.7 Mc=58 Service life in distance traveled (note 1) km 5000 Model No Unit Note 1: The value applies when the actuator receives a load and operates at the rated speed and acceleration of 0.3 G Note 2: The specifications apply to the actuator mounted with each size of a standard motor in page 13 If a different motor is used, the actuator's specifications are different Also note that the rated values of the actuator unit must not be exceeded Mb Mc Ma ●Outline Drawing of Model VLA-ST-45 L1 29 10 10 L2 38 30 4-M4 depth 7.5 2-slotted hole through 4.5 45 R5 12 10 6.5 R5 36 9.5 4.5 36 100 4-4.5 drilled through n x 100 st1 19 st2 81 x N-M4 depth From rear face 14.5 D 25 D 50 42 32 26 20 45 (0.8) 25 14 24 45 D-D cross section Dimensional Table Unit : mm Stroke Effective stroke Mechanical stroke st1+st2 L1 L2 n N Mass (kg) 0050 0100 0150 0200 0250 0300 0350 0400 0450 0500 50 100 150 200 250 300 350 400 450 500 60 110 160 210 260 310 360 410 460 510 206 256 306 356 406 456 506 556 606 656 151 201 251 301 351 401 451 501 551 601 2 3 4 5 3 4 5 6 0.83 0.94 1.05 1.15 1.26 1.37 1.48 1.59 1.70 1.81 ●Outline Drawing of Model VLA-ST-60 L1 4-5.5 drilled through 35 12 14 L2 60 50 12 4-M5 depth 10 12 7.5 2-slotted hole through 52 12 5.5 R6 R6 52 x N-M5 depth 100 st1 From rear face 33 n x 100 110 st2 16 D 35 D 60 50 39 31 23 60 32 (0.8) 25 42 64 D-D cross section Dimensional Table Stroke 0050 0100 0150 0200 0250 0300 0350 0400 0450 0500 0550 0600 0700 Effective stroke 50 100 150 200 250 300 350 400 450 500 550 600 700 Unit : mm Mechanical stroke st1+st2 60 110 160 210 260 310 360 410 460 510 560 610 710 L1 L2 n N Mass (kg) 237 287 337 387 437 487 537 587 637 687 737 787 887 171 221 271 321 371 421 471 521 571 621 671 721 821 2 3 4 5 6 3 4 5 6 7 1.87 2.07 2.28 2.48 2.68 2.89 3.09 3.30 3.50 3.70 3.91 4.11 4.52 Model VLA-CT ●Example of the actuator's model number coding ➀ Model number ➁ Type: CT ➂ Classification in main unit size 35: 35-mm width 45: 45-mm width 55: 55-mm width ➃ Ball screw lead 12: 12 mm ➇ Motor encoder specifications N: no motor ➄ Stroke E.g., 0050: 50 mm 0200: 200 mm ➈ Motor lead line direction N: no motor ➅ Type (mounting method) N: no motor ➉ Option N: no option ➆ Motor wattage 000: no motor ●Model VLA-CT Specifications Item Unit CT-35 (30W) CT-45 (50W) CT-55 (100W) Rated speed (note 1) mm/s 600 600 600 (470 with 300-stroke type) Rated thrust N 40 67 134 Maximum thrust N 120 201 402 Horizontal mass capacity (note 2, 3) kg 25 Vertical mass capacity (note 3) kg 1.9 3.1 6.5 Ball screw lead mm 12 Positioning repeatability mm ±0.020 Ball screw shaft diameter mm Motor wattage *Note W 30 50 100 Motor rated torque *Note N•m 0.095 0.158 0.319 Rod diameter mm φ16 φ20 φ25 Stroke mm 50/100/150 50/100/150/200 50/100/150/200/250/300 Service life in distance traveled (note 4) km 12 5000 Note 1: With the 300-stroke type of CT55, the rated speed is 470 mm/s as calculated from the critical speed of the ball screw If the stroke is shorter, the actuator can be operated at 1,000 mm/s at a maximum However, the service life may be shortened Note 2: Model CT is capable of receiving only an axial load The horizontal mass capacity is the value when an LM Guide is also used and no axial load is applied to the rod When making a selection, take into account the sliding resistance of the LM Guide For specific sliding resistances of LM Guides, see the general catalog Note 3: The values apply at acceleration of 0.3 G Note 4: The value applies when the actuator receives a load and operates at the rated speed and acceleration of 0.3 G Note 5: The specifications apply to the actuator mounted with each size of a standard motor in page 13 If a different motor is used, the actuator's specifications are different Also note that the rated values of the actuator unit must not be exceeded ●Outline Drawing of Model VLA-CT-35 1.5 10 18 7.5 (width across flat point) M8 X 1.25 φ (5) (37.5) Ball screw greasing hole Effective stroke: S (5) Zero position Ball screw lubrication position 73 or longer 16.5 L1 25 K-M3 depth 50 H x 50=J D2 PC (0.5) 35 11 41 13 M8 x 1.25 11 (15) 21 38.5 Provided nut dimensions 4-M3 depth 10 (90° equidistant) Dimensional Table Stroke 0050 0100 0150 Effective stroke 50 100 150 Unit : mm L1 161 211 261 H J 100 150 200 K 10 Mass (kg) 0.7 0.9 1.0 ●Outline Drawing of Model VLA-CT-45 1.5 10 22 8.5 (width across flat point) M10 x 1.25 φ20 Ball screw greasing hole (5) (42.5) Effective stroke: S (5) Zero position Ball screw lubrication position 75 or longer A 16.5 L1 D5 PC 45 25 14 4-M4 depth 10 (90° equidistant) 45° 14 25 45 D T groove for M3 (8 grooves) Angle A 2.4 (7.8) 5 3.5 5.8 Detail view of D M3 x 0.5 Square nut (provided) dimensions 17 M10 x 1.25 (19.6) 1.5 3.3 Provided nut dimensions Dimensional Table Stroke 0050 0100 0150 0200 Unit : mm Effective stroke 50 100 150 200 L1 162.5 212.5 262.5 312.5 Mass (kg) 1.1 1.4 1.6 1.9 ●Outline Drawing of Model VLA-CT-55 1.5 10 10 24 φ25 Ball screw greasing hole 9.5 (width across flat point) M12 x 1.25 (5) (45.5) Effective stroke: S (5) Zero position Ball screw lubrication position 83 or longer A L1 16.5 D6 PC 55 30 17 4-M5 depth 12 (90° equidistant) 45° 17 30 55 D T groove for M4 (8 grooves) Angle A M12 x 1.25 4.5 1.5 M4 x 0.7 Square nut (provided) dimensions 19 (21.9) (9.9) 3.2 Provided nut dimensions 7.3 4.3 Detail view of D Dimensional Table Stroke 0050 0100 0150 0200 0250 0300 Unit : mm Effective stroke 50 100 150 200 250 300 L1 183 233 283 333 383 433 Mass (kg) 1.7 2.1 2.5 2.8 3.2 3.6 ●Options for Model VLA-CT Bracket Base CT-35 55 45 12 φ5 38.5 M3 46.5 35 CT-45 67 φ6 55 45 45 M3 10 57 15 10 CT-55 80 68 20 M4 11 12 67 55 φ7 Flange 35 CT-35 34 M3 24 38.5 φ5 45 55 45 CT-45 45 44.5 φ6 33 M6 57 68 55 CT-55 10 54.5 φ7 40 55 M5 70 85 12 ●Specifications of Mountable Motors With model VLA, any of the motors indicated in the table below can be mounted without an intermediate flange * For details of the motor mounting area, see the corresponding drawing page 14 * For the specifications and options of a motor of a particular manufacturer, see the manufacturer’s catalog and select and purchase one Motor model number Fanuc Model ST βM0.2 Yaskawa SGMAS-A5 ST-60 SGMAS-01 SGMAH-A3 Σ-II ST-45 SGMAH-A5 HC-MFS053 HC-MFS13 Electric ST-60 CT-45 CT-55 CT-45 HC-KFS13 CT-55 HC-PQ033 HC-PQ13 P30B04003 P30B04005 P30B04010 R88M-W03030 R88M-W05030 Omron CT-55 HC-KFS053 HC-PQ053 Sanyo Electric CT-55 CT-55 SGMAH-01 Mitsubishi Model CT CT-45 βM0.3 Σ-III Electric Available actuator R88M-W10030 R88M-U03030 R88M-U05030 R88M-U10030 ST-45 ST-60 CT-35 CT-45 CT-55 ST-45 ST-60 CT-45 CT-55 ST-45 ST-60 CT-55 ST-45 ST-60 CT-55 * Installation of the motor and the adjustment of the driver need to be performed by the customer * An OT sensor, origin sensor and their dogs cannot be attached inside the actuator unit The customer must prepare and install an OT sensor, origin sensor and their dogs outside the actuator as necessary 13 Model VLA-ST * When mounting the coupling, remove the low-head screws and the steel tape When reattaching the steel tape, be sure not to bend the tape Steel tape Low-head screw B A C H A ST-45 ST-60 B 27 30 C 3 D E F G D φ5 φ6 E φ22 φ28 F φ30 φ30 G PCD46 PCD46 H 4-M4 depth 4-M4 depth Model VLA-CT * When mounting the motor, remove the lid from the hole (hexagon socket screw “I”) Move the rod back and forth to align the hexagon socket bolt with the hole position B C F I A H D E 45˚ G CT-35 CT-45 CT-55 A 27.5 27.5 28.5 B 3.5 3.5 3.5 C 7 D φ8 φ8 φ8 E φ31 φ31 φ32 F G H I PCD46 2-M4 depth 12 Hexagon socket bolt M2.5 Hexagon socket screw M4 X 4L PCD46 2-M4 depth 12 Hexagon socket bolt M2.5 Hexagon socket screw M4 X 4L PCD46 4-M4 depth 12 Hexagon socket bolt M2.5 Hexagon socket screw M4 X 4L 14 Low Price Actuator Model VLA Precautions on Use ●Handling • When using the actuator, carefully read and fully understand the “Instructions Manual for Low Price Actuator Model VLA,” and be sure to observe the precautions on use • Dropping or hitting the product may damage it Take much care in handling the product • Disassembling the product may cause entrance of foreign matter or deterioration of accuracy Do not disassemble the product unless it is inevitable ●Installation Site Do not install the actuator and the driver in the following places • Where ambient temperature is out of the to 40˚C range, ambient humidity is out of the 20 to 80% RH range, condensation occurs, or corrosive gas or flammable gas is produced • Where dielectric powders such as iron powder, dust, oil mist, cutting fluid, water, salt or organic solvent is produced or flies • Where the product may be exposed to direct sunlight or radiant heat • Where strong electric field or strong magnetic field is generated • Where vibrations or impacts transmit • Where inspection or cleaning is difficult to perform ●Actuator Mounting Surface • The actuator must be mounted on a machined plane or on a plane with accuracy equivalent to that of a machined plane The flatness of the mounting surface must be within 0.1 mm ●Instructions Manual • The “Instructions Manual for Low Price Actuator Model VLA” can be downloaded from URL: http://thk.co.jp/ • The CAD data of the actuator can be downloaded from the Technical Support Site of Technical Support Site: http://www.lmsystem.com/ ’s homepage ●Safety Precautions • Never touch the moving member of the actuator while it is energized • Do not enter the operating range of the actuator when it is operating or operable • When installing, adjusting, inspecting or maintaining the actuator, driver or related equipment connected to either of them, be sure to disconnect all power plugs from outlets, and lock them or prepare safety plugs in order to prevent non-operators from turning the power Additionally, place a notice indicating that the product is in operation in a place where it is easily visible • When two or more persons operate the actuator, confirm the steps, signs and anomaly handling in advance, and have another person observe the operation • Thoroughly read the JIS standard “General Safety Rule for Industrial Robots” (JISB8433) and the Ministry of Health, Labor and Welfare’s “Ordinance on Labor Safety and Hygiene” before operating the product, and strictly observe these rules when operating the product • Carefully read and fully understand the “Instructions Manual for Low Price Actuator Model VLA,” and be sure to observe the precautions on safety ●“LM Guide”, “Ball Cage”, “ ” and “QZ” are the registered trademarks of THK Co., Ltd ●The photo may differ slightly in appearance from the actual product ●The appearance and specifications of the product are subject to change without notice Contact THK before placing an order ●Although great care has been taken in the production of this catalog, THK will not take any responsibility for damage resulting from typographical errors or omissions ●For the export of our products or technologies and for the sale for exports, THK in principle complies with the foreign exchange law and the Foreign Exchange and Foreign Trade Control Law as well as other relevant laws All rights reserved For export of THK products as single items, contact THK in advance HEAD OFFICE 3-11-6, NISHI-GOTANDA, SHINAGAWA-KU, TOKYO 141-8503 JAPAN ASIA PASEFIC SALES DEPARTMENT PHONE:(03)5434-0351 FAX:(03)5434-0353 CHINA BEIJING PHONE:(10)6590-3559 FAX:(10)6590-3557 THK SHANGHAI CO., LTD PHONE:(21)6334-5131 FAX:(21)6334-5137 THK SHOUZAN CO., LTD PHONE:2376-1091 FAX:2376-0749 TAIWAN TAIPEI PHONE:(02)2888-3818 FAX:(02)2888-3819 TAICHUNG PHONE:(04)2359-1505 FAX:(04)2359-1506 SOUTHERN PHONE:(06)289-7668 FAX:(06)289-7669 KOREA (SEOUL) PHONE:(02)3463-0351 FAX:(02)3017-0351 MALAYSIA (KUALA LUMPUR) PHONE:(03)9287-1137 FAX:(03)9287-8071 INDIA (BANGALORE) PHONE:(080)330-1524 FAX:(080)330-1524 NORTH AMERICA CHICAGO PHONE:(847)310-1111 FAX:(847)310-1182 NEW JERSEY PHONE:(201)529-1950 FAX:(201)529-1962 ATLANTA PHONE:(770)840-7990 FAX:(770)840-7897 LOS ANGELES PHONE:(714)891-6752 FAX:(714)894-9315 SAN FRANCISCO PHONE:(925)455-8948 FAX:(925)455-8965 BOSTON 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technologies and for the sale for exports, THK. .. trademarks of THK Co., Ltd ●The photo may differ slightly in appearance from the actual product ●The appearance and specifications of the product are subject to change without notice Contact THK before... Control Law as well as other relevant laws All rights reserved For export of THK products as single items, contact THK in advance HEAD OFFICE 3-11-6, NISHI-GOTANDA, SHINAGAWA-KU, TOKYO 141-8503