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Troubleshooting 

 

Problem 

Possible cause 

Solution 

Rotary  actuator  does 
not move 

Supply pressure is not applied 
correctly. 

Correctly set the regulator at the supply 
pressure side. 

The directional switching

 

valve (such as a solenoid

 

valve) does not switch. 

Correctly apply a signal to the directional 
switching valve (such as a solenoid valve). 

Air leakage from piping. 

Inspect the piping and stop the leakage. 

The restrictor in the port is 

clogged. 

Clean the restrictor. 
Take the following countermeasures: 
(1) Blow air through the piping again. 
(2) Inspect the air filter. 

Operation is not 
smooth. 
(stick-slip) 

The load has some friction. 

Reduce the friction resistance. 

The rotation table and the item 
used with it are not aligned. 

Align the two centers or use a flexible fitting.   

Insufficient output due to a low 
supply pressure. 

To obtain stable operation, adjust the supply 
pressure to make the load ratio appropriate. 

Speed controller is restricted 
too much. 

Adjust the speed controller so that the rotating 
marks will be in the adjusting range. 

Extreme rotating 
angle changes. 

Internal parts are broken. 

Replace the rotary actuator with the new one. 
Then calculate the kinetic energy applied to the 
rotary actuator and adjust the load and rotation 
speed to make the value within the allowable 
kinetic energy.   

Air leakage from the 
shaft 

Piston seal is worn out. 

The seal parts need to be replaced.   
Contact SMC. 

 

 

 

 

-38- 

2020-10-13 10:40

DI987004

Содержание CRQ2X

Страница 1: ...Doc No DII 14200 OM002 A PRODUCT NAME Low Speed Rotary Actuator MODEL Series Product Number CRQ2X...

Страница 2: ...flange mount Rotating range examples Air supply Setting of rotation time Moment of inertia Calculation formulae for moment of inertia Kinetic energy Auto switch Internal structure and operation princ...

Страница 3: ...t failure when configuring the equipment 2 Only personnel with appropriate training should operate machinery and equipment The product specified here may become unsafe if handled incorrectly The assem...

Страница 4: ...uct or necessary parts will be provided This limited warranty applies only to our product independently and not to any other damage incurred due to the failure of the product 3 Prior to using SMC prod...

Страница 5: ...e circuit air pressure caused by a power failure When a rotary actuator is used as clamping mechanism there is a danger of workpiece dropping if there is a decrease in clamping force due to a drop in...

Страница 6: ...ake any modifications including additional machining This may cause human injury and or an accident 18 Refer to the Auto Switches Precautions for using with an auto switch 1 Do not use below the speed...

Страница 7: ...result in insufficient strength and cause damage to the product This can lead to possible human injury and damage to the surrounding equipment 8 Do not enlarge the fixed throttle by modifying the pip...

Страница 8: ...gle adjustment is available for this product When using an external stopper set in a position so that that the adjusting bolt does not collide into the piston Precautions when Converting Rotational Mo...

Страница 9: ...justment screw is temporarily secured at an arbitrary position within the adjustable rotating range Before using product readjust it to a desired angle and tighten the screw firmly Piping 1 Refer to t...

Страница 10: ...oils including organic solvents salt or corrosive gases etc as it can cause damage or malfunction 1 When extremely dry air is used as the fluid degradation of the lubrication properties inside the eq...

Страница 11: ...operly compressed air can be dangerous Assembly handling repair and element replacement of pneumatic systems should be performed by a knowledgeable and experienced person 3 Drain flushing Remove drain...

Страница 12: ...each cylinder series use the indicated value The auto switches may malfunction due to interference from the magnetic fields Use of a magnetic screen plate MU S025 or commercially available magnetic s...

Страница 13: ...ate If driving a load such as a relay that generates a surge voltage use a built in surge absorbing element type device 10 Pay attention to the internal voltage drop of the auto switch Reed 1 Auto swi...

Страница 14: ...ond the range of tightening torque auto switch mounting screws auto switch mounting brackets or auto switch may be damaged On the other hand tightening below the range of tightening torque may allow t...

Страница 15: ...pplied 2 wire type If the power is turned ON when an auto switch is not connected to a load the auto switch will be instantly damaged because of excess current short circuit It is the same as when the...

Страница 16: ...and power supply line on a 3 wire type auto switch the auto switch will be protected by a protection circuit However if the power supply line is connected to the blue wire and the power supply line i...

Страница 17: ...aves around cylinders with solid state auto switches or actuators this may cause the circuit element inside the auto switch to break 7 Avoid accumulation of iron waste or close contact with magnetic s...

Страница 18: ...tion stops at the center of the appropriate operating range green display area If stopped with the red LED lit the operation may become unstable due to effects of the equipment environment or external...

Страница 19: ...switch specification 0 5 1 3 5 Nil M L Z M9NV M9N M9PV M9P 12V M9BV M9B M9NWV M9NW M9PWV M9PW 12V M9BWV M9BW M9NAV 1 M9NA 1 M9PAV 1 M9PA 1 12V M9BAV 1 M9BA 1 5V A96V A96 100V A93V 2 A93 No 100V or le...

Страница 20: ...100 170 to 190 Port size M5 0 8 Rc 1 8 G 1 8 NPT 1 8 NPTF 1 8 Output N m At 0 5MPa 0 3 0 75 1 8 3 1 5 3 Table 2 Allowable kinetic energy and adjustment range of rotating time Size Allowable kinetic e...

Страница 21: ...t face and parallel key position indicate B port is pressurized 20 Operating pressure MPa Effective torque N m Graph 1 Effective torque Rotation range 180 Rotation range 90 Angle adjustment 5 Angle ad...

Страница 22: ...l 1 17 Type CS retaining ring 2 16 Bearing 2 15 Cross recessed No 0 screw 1 14 Cross recessed No 0 screw 4 13 Hexagon socket head screw 8 12 Adjust bolt 2 11 Hexagon nut 2 10 Magnet 2 Only magnet buil...

Страница 23: ...rallel key 1 16 Bearing 2 15 Cross recessed No 0 screw 1 14 Cross recessed socket head screw 4 13 Hexagon socket head bolt 6 12 Adjust bolt 2 11 Small hexagon nut 2 10 Magnet 2 Only magnet built in ty...

Страница 24: ...e standard circuit for operating a rotary cylinder with an air filter regulator solenoid valve and speed controller is shown in Figure 1 below 23 Fig 1 Basic circuit Air filter Regulator Speed control...

Страница 25: ...ad to the axis should be avoided as much as possible Example below is recommended so that the load is not applied to the axis directly Operation of axis fitting referring As in Fig 4 alignment of the...

Страница 26: ...he product Preparation before piping a Before piping is connected it should be thoroughly blown out with air to remove dust and scale from inside the pipe Dust and scale on the inlet side of the filte...

Страница 27: ...tops at the stroke end the actuator will receive a big impact kinetic energy due to the inertial force Please refer below for calculation of kinetic energy 2 2 1 I E E Kinetic energy J I Moment of ine...

Страница 28: ...ndicular to the plate through the center of gravity 8 When the rotational axis and load center of gravity are not consistent 4 Round plate Including column Position of rotational axis Through the cent...

Страница 29: ...ed is slower than 2s 90 degree it should be calculated to 2s 90 degree 28 E Allowable kinetic energy J Rotation range rad I Moment of inertia kg m2 During uniform acceleration the angular acceleration...

Страница 30: ...ation range to turn off switch A Then piston A moves right and the magnet goes into switch B s operation range to turn on switch B Mounting of auto switch When tightening the auto switch mounting scre...

Страница 31: ...8 5 27 52 9 22 5 31 69 3 180 22 5 39 5 26 5 43 5 20 90 36 48 5 41 9 40 52 5 56 4 180 42 67 5 46 71 5 30 90 43 59 32 7 47 63 43 3 180 51 82 55 86 40 90 50 69 24 5 54 73 36 4 180 59 5 97 5 63 5 101 5 Op...

Страница 32: ...lace 2 Cover the rotary actuator pipe inlet and the end of rubber hose after removing the rotary actuator 3 Be careful to ensure not to damage internal sliding surface of the rotary actuator when disa...

Страница 33: ...sen hexagon socket head bolt to remove the cover assembly and the end cover assembly 4 Push piston assembly from one side to pull out two piston assembly from the body 5 Take out the bearing from the...

Страница 34: ...to damage the piston seal Table 11 Parts applied with grease Grease applied parts Cylinder internal surface Piston seal groove Piston seal Cover gasket Size 10 15 End cover gasket Size 10 15 Gasket Si...

Страница 35: ...eal Cross section Expansion Fig 16 Roundness is turned to the cover side and it assembles it Fig 17 Cover Plate Seal Cover gasket Cross recessed No 0 screw Tightening torque 0 08 to 0 13N m Gasket Siz...

Страница 36: ...not to be scratched Also mind the mounting orientation of the piston See fig 19 35 Fig 19 End cover Adjust bolt assembly Size 10 15 Gasket Size 20 30 40 Fig 18 End cover gasket of the cylinder The di...

Страница 37: ...t of the shaft size 10 and 15 and key size 20 30 and 40 36 Fig 20 Bearing Shaft Body 3rd recess 3rd recess 2nd mount 2nd mount Size 10 90 Size 20 30 40 Size 10 180 15 2nd recess Size 10 15 Position of...

Страница 38: ...age 37 Fig 21 Fig 22 Size 10 15 Cross recessed No 0 screw Size 20 30 40 Cross recessed roundhead screw Bearing retainer Size Tightening torque 10 0 2 to 0 3N m 15 0 3 to 0 5N m 20 0 6 to 0 8N m 30 0 6...

Страница 39: ...e load has some friction Reduce the friction resistance The rotation table and the item used with it are not aligned Align the two centers or use a flexible fitting Insufficient output due to a low su...

Страница 40: ...ustment bolt for angle adjustment is set at a smaller angle than required Set the adjustment bolt correctly The auto switch will not operate or operates incorrectly The auto switch is mounted in an in...

Страница 41: ...n 4 14 1 Sotokanda Chiyoda ku Tokyo 101 0021 JAPAN Tel 81 3 5207 8249 Fax 81 3 5298 5362 URL https www smcworld com Note Specifications are subject to change without prior notice and any obligation on...

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