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es20-230b-crb2

es20-230b-crb2
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es20-230b-crb2

Product catalog summary
Overview: The document provides comprehensive technical specifications and features for the Series CRB2 and CRBU2 rotary actuators, designed for industrial applications with various mounting options and configurations.
Specifications:
  • Rotating angles: 90°, 180°, 270°.
  • Weight reduction: 12% compared to previous models.
  • Sizes: 10, 15, 20, 30, 40.
  • Fluid type: Air (Non-lube).
  • Proof pressure: 1.05 to 1.5 MPa.
  • Operating temperature: 5 to 60°C.
  • Max operating pressure: 0.7 to 1.0 MPa.
  • Port locations: Side or Axial ported.
Features:
  • Interchangeable mounting pitch with existing models.
  • Auto switch unit for precise control.
  • Angle adjuster unit for customizable rotation angles.
  • Direct mounting capability.
  • Double vane type offers twice the torque of single vane type.
  • Six shaft-end shape variations.
Mounting and Adjustments:
  • Multiple mounting variations including vertical and lateral.
  • Adjustable starting position.
  • Angle adjustment range up to 270°.
Performance:
  • Rotation time adjustment: 0.03 to 0.5 seconds per 90°.
  • Allowable kinetic energy varies by size and configuration.
  • Double vane type standardized for 90° and 100° rotations.
Additional Options:
  • Auto switch and angle adjuster units can be combined.
  • Made-to-order options for specific shaft types and configurations.
Procedures and Configurations: The document outlines procedures for selecting and configuring actuators, including port connections, screw positions, and rotation range adjustments. It details the use of fluorine grease and implications of using auto switches or angle adjustment units.
Component Details: Detailed component lists specify materials and special notes for each part, such as aluminum alloy for the body and chrome molybdenum steel for the vane shaft.
Dimensions and Mounting: Includes dimensional drawings and tables for each actuator size, specifying port locations, shaft-end shapes, and mounting options.
Optional Features: Optional features include flange assemblies and configurations for auto switches and angle adjusters, with part numbers for ordering.
Key Considerations: Highlights compatibility of features with auto switches and angle adjusters, and conditions for selecting different configurations.
Machining Options: Describes machining options for shafts, including shortening, chamfering, and threading, with symbols for specific operations.
Recommendations: Provides recommendations for machining operations, such as using parallel keys for size 40 shafts and ensuring minimum dimensions for chamfers and bore sizes.
Safety Measures and Precautions:
  • Confirm safety measures and power disconnection before removing products.
  • Prevent unexpected operation and malfunction before restarting machinery.
  • Consult SMC for special safety considerations in specific conditions.
Limited Warranty and Disclaimer:
  • Warranty period: 1 year in service or 1.5 years after delivery.
  • Warranty covers product failure due to manufacturing defects.
Compliance Requirements:
  • SMC products must not be used in the manufacture of weapons of mass destruction.
  • Export must comply with relevant security laws and regulations.
Safety Instructions:
  • Follow safety instructions to prevent hazardous situations and equipment damage.
  • Understand hazard levels: Caution, Warning, Danger.
  • Adhere to international standards such as ISO 4414, ISO 4413, IEC 60204-1, and ISO 10218-1.
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Catalog excerpts

es20-230b-crb2-1

Rotary Actuator Vane Type Standard Type Free Mount Type Many combinations available! Standard type/Series CRB2 ¡Piping ports are located on the flat surface. Fittings can be secured firmly, piping is also improved. Flat surface ¡Many variations of shaft-end shape (6 types) Piping port Shaft-end shape With angle adjuster unit With auto switch unit With angle adjuster unit With auto switch unit Possible to adjust the angle as desired Rotating angle Rotating angle adjustment range 270° 90° Auto switch unit Angle adjuster unit Free mount type/Series CRBU2 is added. ¡12% weight reduction ¡Possible to move the plate mounting position as desired ¡Many mounting variations Vertical mounting Lateral mounting With angle adjuster unit With auto switch unit With angle adjuster unit With auto switch unit Rotating angle: 90°, 180°, 270° All series can rotate up to 270°. Interchangeable mounting pitch with the existing model The use of specially designed seals and stoppers now enables our compact vane type rotary actuators to rotate up to 270°. (Single vane type) Mounting pitches A to C shown on the right and D mounting hole diameters are interchangeable with the existing model. D: Height is reduced compared to the existing model. Mounting hole

 Open the catalog to page 1
es20-230b-crb2-2

Shaft type variations Six shaft options available (∗ The figures below show size 30 actuators.) Single shaft Single flat Double shaft Double shaft Double shaft Round shaft Single flat Single flat Single flat Round shaft Single shaft Round shaft Round shaft Double shaft Single flat Single flat Direct mounting The rotary actuator body can be mounted directly. ∗ Not possible for size 10 to 40 with unit(s) The mounting position of the auto switch can be set freely. The switch can be fixed in the desired position in the circumferential direction. Side ported Axial ported Connecting port location:...

 Open the catalog to page 2
es20-230b-crb2-3

Rotary Actuator/Vane Type Possible to change the starting position as desired to suit the installation conditions. Conventional: 4 directions → 8 directions Starting point Rotation range Rotation range Starting point New Starting point Port surface Port surface Rotation range Port surface Port surface Rotation range Starting point Port surface Starting point Starting point (Single flat) Port surface Port surface Rotation range Rotation range Port surface Starting point Port surface Starting point Starting point ∗ For single vane 90° 4 directions are used for size 10. Rotation range Rotation range...

 Open the catalog to page 3
es20-230b-crb2-5

Rotary Actuator/Vane Type Series CRB2 /CRBU2 Free mount type With auto switch Axial ported Axial ported Axial ported Axial ported Axial ported Side ported (Nil) Axial ported (E) Side ported Port location Side ported S : Single vane D: Double vane Side ported Vane type Simple Specials Double shaft Long shaft with round shaft & Short shaft with single flat Same length double long shaft with single flat on both shafts Single shaft With Auto Switch Angle Adjustment Component Unit Setting Rotating angle With auto switch Shaft type With auto switch With auto switch Standard/Free mount type Free mount...

 Open the catalog to page 5
es20-230b-crb2-6

Rotary Actuator Vane Type With auto switch q With auto switch Symbol Shaft type w Mounting Mounting Basic type Flange type Single shaft Double shaft Double shaft Double shaft Single shaft Double shaft r Size Shaft-end shape Long shaft Short shaft Single flat* — Single flat* Single flat Round shaft Single flat Round shaft Round shaft Round shaft — Single flat* Long shaft with single flat * t Rotating angle y Vane type S D !0 Number of auto switches 1 pc.* 2 pcs.** * S: A right-hand auto switch is shipped. ** il: A right-hand switch and a left-hand N switch are shipped. Side ported Axial ported...

 Open the catalog to page 6
es20-230b-crb2-7

Rotary Actuator Vane Type Single Vane Specifications Flange Assembly Part No. (For details, refer to page 12.) Model Note 1) ake sure to operate within the speed regulation range. Exceeding the maximum speed M (0.3 sec/90°) can cause the unit to stick or not operate. Note 2) he upper numbers in this section in the table indicate the energy factor when the rubber T bumper is used (at the end of the rotation), and the lower numbers indicate the energy factor when the rubber bumper is not used. Note 3) Adjustment range in the table is for 270°. For 90° and 180°, refer to page 14. (For details, refer...

 Open the catalog to page 7
es20-230b-crb2-8

Series CRB2 Effective Output Size 15 Reference Screw Size Dimension “L” of the actuators is provided in the table below for JIS standard hexagon socket head cap screws. If these types of screw are used, their heads will fit in the mounting hole. Direct Mounting of Body * nly the size 10 actuators have different L O dimensions for single and double vane. Double vane: L = 20.5 * Refer to page 7 for Q1 and Q2 dimensions. Chamfered Position and Rotation Range: Top View from Long Shaft Side Chamfered positions shown below illustrate the conditions of actuators when B port is pressurized. Single vane...

 Open the catalog to page 8
es20-230b-crb2-9

Rotary Actuator Vane Type Construction ¡ igures for 90° and 180° show the condition of the actuators when B port is pressurized, F and the figure for 270° shows the position of the ports during rotation. (Viewed from the output shaft side) Single vane (Viewed from the output shaft side) (Viewed from the output shaft side) (Output shaft) !1 Internal rubber bumper (Not applicable to size 10) i Single shaft type (Short shaft side) Double shaft type Double vane Size: 10 Component Parts (Long shaft side) Description Material Body (A) Aluminum alloy Body (B) Aluminum alloy Vane shaft Stainless steel*...

 Open the catalog to page 9
es20-230b-crb2-10

Series CRB2 Construction (With Auto Switch) Single vane (The unit is common for single vane type and double vane type.) Following figures show actuators for 90° and 180° when B port is pressurized. Double vane Following figures show the intermediate rotation position when A or B port is pressurized. Description Cover (A) Cover (B) Magnet lever Holding block Holding block (B) Switch block (A) Switch block (B) Switch block Magnet Material Resin Resin Resin Stainless steel Aluminum alloy Resin Resin Resin Description Hexagon socket head set screw Cross recessed round head screw Cross recessed round...

 Open the catalog to page 10

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.