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Doc.  No.  MSUA-OM00002-B 

 

 

 

 

 

 

 

 
 

PRODUCT NAME

 

 

Rotary Table: High Precision Type 

 

MODEL / Series / Product Number

 

 

MSUA1,3,7,20 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2020-10-13 11:15

DI987004

Summary of Contents for MSUA1

Page 1: ...Doc No MSUA OM00002 B PRODUCT NAME Rotary Table High Precision Type MODEL Series Product Number MSUA1 3 7 20 ...

Page 2: ...Internal construction of rotary table Rotary table with auto switch How to order with auto switch Applicable auto switches Auto switch specification Auto switch orientation Table positioning pin hole rotation range and auto switch mounting position How to change the auto switch detecting position Auto switch operating angle and hysteresis angle Operating range and hysteresis auto switch Internal c...

Page 3: ...rules relating to systems ISO 4413 Hydraulic fluid power General rules relating to systems IEC 60204 1 Safety of machinery Electrical equipment of machines Part 1 General requirements ISO 10218 1 Manipulating industrial robots Safety Caution Caution indicates a hazard with a low level of risk which if not avoided could result in minor or moderate injury Warning Warning indicates a hazard with a me...

Page 4: ... and understand the specific product precautions of all relevant products carefully 3 Before machinery equipment is restarted take measures to prevent unexpected operation and malfunction 4 Contact SMC beforehand and take special consideration of safety measures if the product is to be used in any of the following conditions 1 Conditions and environments outside of the given specifications or use ...

Page 5: ... catalog for the particular products Compliance Requirements 1 The use of SMC products with production equipment for the manufacture of weapons of mass destruction WMD or any other weapon is strictly prohibited 2 The exports of SMC products or technology from one country to another are governed by the relevant security laws and regulations of the countries involved in the transaction Prior to the ...

Page 6: ...ion in the circuit air pressure caused by a power failure When a rotary table 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 circuit pressure caused by a power failure Therefore safety equipment should be installed to prevent damage to machinery and bodily injury 7 Consider the possibility of power source related malf...

Page 7: ... lubricant to the exterior The lubricant coating the interior of the product may leak to the outside of the product from connecting parts of the rotary body cover etc 17 Do not disassemble the product or make 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 ...

Page 8: ...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 pipe connectors If the hole diameter is enlarged the product s rotation speed will increase causing the shock force to increase and damage to the product As a result it could pose a hazard to humans and d...

Page 9: ... Angle 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 Motion to Linear Motion When using a link mechanism etc to convert rotational motion to linear motion and determining the operation end using the stopper on the linear motion end see below a small va...

Page 10: ...djustment 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 the Fittings and Tubing Precautions Best Pneumatics No 7 for handling one touch fittings 2 Preparation before piping Before piping is connected it should be thoroughly blown out with air flushing or w...

Page 11: ...ic 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 equipment may occur resulting in reduced reliability or reduced service life of the equipment Please consult with SMC 2 Install an air filter Install an air filter upstream near the valve Select an ai...

Page 12: ...perly 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 drainage from air filters regularly 4 Removal of equipment and supply exhaust of compressed air When components are removed first confirm that measures are in place to prevent workpieces from dropping run a...

Page 13: ...ied for 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 screen tape can reduce the interference of magnetic force 3 Ensure sufficient clearance for maintenance activities When designing an application be certain to allow sufficient clearance for main...

Page 14: ...tate 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 switch with an indicator light If auto switches are connected in series as shown below take note that there will be a large voltage drop because of internal resistance in the light emitting diodes Refer...

Page 15: ...d beyond 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 the auto switch to slip out of position 3 Do not carry a rotary table by the auto switch lead wires This may cause disconnection of the lead wire or the internal element to break 4 Do not use scre...

Page 16: ...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 2 wire brown lead wire output is directly connected to the power supply terminal 4 Carry out the wiring work after shutting down the power If the wiring work is performed with the power turned ON thi...

Page 17: ...hazard Please contact SMC concerting ATEX compliant products 1 Do not use in an area where a magnetic field is generated Auto switches will malfunction or magnets inside rotary tables will become demagnetized Please consult with SMC if a magnetic field resistant auto switch can be used 2 Do not use in an environment where the auto switch will be continually exposed to water Although auto switches ...

Page 18: ...Only then should you proceed with the removal of any machinery and equipment When machinery is restarted proceed with caution after confirming that appropriate measures are in place to prevent rotary tables from moving suddenly 2 Do not touch a terminal during energizing Touching a terminal during energizing may cause electric shock malfunction or auto switch breakage 1 Perform the following maint...

Page 19: ... 065 0 017 0 042 0 073 Bearing Special bearing Port location Side ported or top ported Port size Side ported M3 x 0 5 M5 x 0 8 Top ported M3 x 0 5 M5 x 0 8 Deflection accuracy 0 03 mm or less 1 Single vane 90 can be adjusted to 90 10 both ends of rotation 5 each Single vane 180 can be adjusted to 180 10 both ends of rotation 5 each 2 Operate within the speed adjustable range Operation at a low spe...

Page 20: ...ary actuator MSUA 1 CRBU2W10 MSUA 3 CRBU2W15 MSUA 7 CRBU2W20 MSUA 20 CRBU2W30 Mass Table 3 Mass g Size Rotating angle Basic mass Auto switch unit Note Single vane 1 90 162 15 180 161 3 90 262 20 180 260 7 90 440 28 180 436 20 90 675 38 180 671 Note Mass of the auto switch unit excluding the auto switch 19 ...

Page 21: ...e load Thrust load m 9 8 Allowable load 0 15 9 8 1 47N Allowable load OK Confirm that radial load thrust load and Moment m 9 8 H Allowable moment 0 15 9 8 0 03 0 044N m moment are within allowable range Allowable load Table 7 0 044N m Allowable moment OK Moment of inertia Find inertial moment of load to calculate I m a 2 b 2 12 m H 2 I 0 15 0 062 0 042 12 0 15 0 032 energy Find I Moment of inertia...

Page 22: ...ble N m Size Operating pressure MPa 0 15 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 1 0 03 0 06 0 09 0 11 0 14 0 17 3 0 05 0 09 0 16 0 23 0 31 0 38 0 45 7 0 14 0 21 0 37 0 52 0 69 0 83 0 98 20 0 40 0 58 0 99 1 38 1 78 2 19 2 58 2 99 3 39 3 73 21 Date 1 ...

Page 23: ...出力 0 0 2 0 4 0 6 0 8 1 1 2 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 使用圧力 MPa 実効出力 N m MSUA20 実効出力 0 0 5 1 1 5 2 2 5 3 3 5 4 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 使用圧力 MPa 実効出力 N m 22 Graph 1 MSUA 1 Effective output MSUA 3 Effective output MSUA 7 Effective output MSUA 20 Effective output Operating pressure MPa Operating pressure MPa Operating pressure MPa Operating pressure MPa ...

Page 24: ...tational axis Perpendicular 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 center axis 9 Gear transmission 5 Solid sphere Position of rotational axis Through the center of diameter Date 2 I Moment of inertia kg m m Load mass kg 2 I m 2 12 a I m 2 12 a I m 12 2...

Page 25: ...ower than the adjustable range of rotation time may cause stick slip phenomenon or operation stop Moment of inertia The moment of inertia indicates how hard it is to rotate an object and also how hard it is to stop the object once it is rotating An object started by the rotary table is getting to have inertial force When the rotary table stops at the stroke end the actuator will receive a big impa...

Page 26: ...ious shapes Model selection Select a model by applying the calculated moment of inertia to the graph 2 below Graph 2 Moment of inertia Rotation time 1 How to read graph When Moment of inertia 20 x 10 6 Rotation time 0 14s 90 MSUA 3 or MSUA 7 20 will be selected 2 Calculation example Shape of load Column with a radius of 0 05m and weight of 0 12kg Rotation time 0 2s 90 2 6 2 10 150 2 05 0 12 0 m kg...

Page 27: ...le value may influence life of the product such as excessive play and deterioration of accuracy Table 7 Allowable load Size Allowable radial load N Allowable thrust load N Allowable moment N m 1 20 15 0 3 3 40 30 0 7 7 50 60 0 9 20 60 80 2 9 Table rotation range Angle adjustment is possible as shown in the Fig 2 below using adjustment bolts A and B 26 Fig 2 ...

Page 28: ...cted under those conditions thrust load of 20N will be within the allowable value of 60N but moment will be 20N X 0 1m 2N m and it exceeds the allowable moment of 0 9N m so that it can not be used In this case selecting a large model should be considered 27 Example MSUA7 Allowable thrust load 60 N Allowable moment 0 9 N m Fig 3 ...

Page 29: ...ting Tap depth for the top mounting Bolt 1 8 4 M4 3 8 7 M4 7 10 7 M5 20 11 7 M6 Table 8 Mounting dimension in axial directions Size L Bolt 1 38 M4 3 44 M4 7 50 M5 20 59 M6 Table 9 Mounting dimension in body side Axial direction mounting Top face mounting body taps 4 Bottom mounting body taps 4 Body side mounting body through hole Vertical mounting body through hole ...

Page 30: ...the filter can be removed but those on the outlet side cannot be removed so they can enter the solenoid valve or rotary table which causes malfunction or shortens product life b When screwing piping or fittings into ports ensure that chips from the pipe threads or sealing material do not enter the piping Also if pipe tape is used leave 1 5 to 2 thread ridges exposed at the end of the threads 29 Ta...

Page 31: ...actuator becomes a fulcrum and moment of inertia of load is applied to a rotation axis as bending moment the product may be damaged Precautions for using external stopper High precision rotary table series MSUA has an angle adjusting system by an adjusting screw so that setting of an adjusting bolt should be performed not to touch it to a stopper lever for using an external stopper 30 Acceptable R...

Page 32: ...6 Stopper seal NBR 7 Table Aluminum alloy Anodized Serigraph 8 Stopper lever Carbon steel Heat treatment Electroless nickel plated 9 Stopper guide Stainless steel Nitriding 10 Lever retainer Carbon steel Zync Chromated 11 Bearing retainer Aluminum alloy Anodized 12 Bearing High carbon chrome bearing steel 13 Special bearing High carbon chrome bearing steel 14 Back up ring Stainless steel 15 O ring...

Page 33: ...PNP D T79 Grommet 2 wire type D T79C Connector 2 wire type 32 M D S U A 20 90 S T79 L Nominal size torque 1 MSUA 1 3 MSUA 3 7 MSUA 7 20 MSUA20 Electrical entry Lead wire length Nil Grommet Lead wire 0 5 m L Grommet Lead wire 3 m Z Grommet Lead wire 5 m C connector Lead wire 0 5 m CL connector Lead wire 3 m CN connector Without lead wire Applicable only with R73 R80 and T79 type connectors Lead wir...

Page 34: ... AC DC 40mA IC circuit 100V AC DC 20mA D R801C D R802C R80C Relay 24V AC DC 50mA PLC D S7 D S791 D S792 S79 Relay PLC IC circuit 28 VDC or less 40mA or less D S7P1 D S7P2 S7P 80mA or less D S9 D S991 D S992 S99V S99 28 VDC or less 40mA or less D S9P1 D S9P2 S9PV S9P 80mA or less D T7 D T791 D T792 T79 Relay PLC 24 VDC 10 to 28 VDC 5 to 40 mA D T791C D T792C T79C D T9 D T991 D T992 T99V T99 Auto sw...

Page 35: ...urface When the pin hole is at END1 the END1 auto switch operates and when the pin hole is at END2 the END2 auto switch operates The arrows on the broken line indicate the rotation range of the internal magnet The rotation range of each auto switch can be reduced by moving the END1 auto switch clockwise and the END2 auto switch counterclockwise 34 MSUA 1 3 MSUA 7 20 Fig 9 Table B port A port Auto ...

Page 36: ...his time if tightened too much screw can become damaged and unable to fix position Proper tightening torque 0 4 to 0 6 N m When tightening the cross recessed round head screw take care that the auto switch does not tilt Auto switch operating angle and hysteresis angle 35 Model Operation angle Hysteresis angle MDSUA1 3 110 o 10 o MDSUA7 20 90 o Cross recessed round head screw Cross recessed round h...

Page 37: ...switch is mounted at the rotation end As shown in the left figure above when the magnet rotates in the arrow direction the switch turns on at the position where 45 degrees away from the the rotation end where the switch is mounted If the switch is moved by 20 degrees as shown in the right figure above it will be possible to turn on the switch at the position where 25 degrees away from the rotation...

Page 38: ... screw Stainless steel 7 Magnet 8 Holding block Stainless steel 9 Cover A Resin 10 Cover B Resin 11 Cross recessed round head screw Stainless steel 12 Switch block A Resin 13 Switch block B Resin 14 Holding block B Aluminum alloy 15 Cross recessed round head screw Stainless steel 16 Cross recessed round head screw Stainless steel 17 Cross recessed round head screw Stainless steel MDSUA1 3 Fig 11 C...

Page 39: ...gnet lever Resin 5 Hexagon socket head set screw Stainless steel 6 Magnet 7 Holding block Stainless steel 8 Cover A Resin 9 Cover B Resin 10 Cross recessed round head screw Stainless steel 11 Switch block Resin 12 Cross recessed round head screw Stainless steel 13 Cross recessed round head screw Stainless steel 14 Cross recessed round head screw Stainless steel ...

Page 40: ... 1 and the holding block A Appropriate tightening torque 0 4 to 0 6 N m 2 Mounting of the Reed switch Insert the Reed switch into the switch block port until it touches the end D 97 and D 93A type switches need to be inserted in the direction shown in the right Fig D 90 and D 90A are round shaped switches Mounting direction is not specified for them Holding block A moves along the groove Move it t...

Page 41: ...rofitted on a rotary actuator Auto switches should be ordered separately since they are not included 40 Model Unit part no MSUA1 S P402070 2A MSUA1 SE P402070 2B MSUA3 S P402090 2A MSUA3 SE P402090 2B MSUA7 S P402060 2A MSUA7 SE P402060 2B MSUA20 S P402080 2A MSUA20 SE P402080 2B Model Unit part no MSUA1 90 P402070 3A MSUA1 180 P402070 3B MSUA3 90 P402090 3A MSUA3 180 P402090 3B MSUA7 90 P402060 3...

Page 42: ...ered face and mount a stopper guide At that time make clearance of around 0 5mm between a stopper guide and a rotary unit 2 Tighten a hexagon socket head cap screw At that time take care not to tighten a lever Retainer and shaft chamfering surface unevenly 3 Tighten table unit and a rotary unit with a hexagon socket head cap screw 41 MDSUA1 3 MDSUA7 20 For reed auto switch For solid state auto swi...

Page 43: ...ase of an actuator Checking rotating operation Checking rotation angle and rotating position External and internal leak Checking ON and OFF operation od f switch Check the above points and if a failure is found retighten screws replace parts or repair the product 2 Inspection interval In order to use the high precision rotary table series MSUA in optimum condition please inspect it once or twice a...

Page 44: ...nal to the directional switching valve such as a solenoid valve Excess load torque Load torque shall be within the specified range Extreme rotating angle changes Internal parts are broken Replace the rotary table with the new one After that take the measures below 1 Calculate the kinetic energy applied to the rotary table and adjust the load and rotation speed to make the value within the allowabl...

Page 45: ...incorrectly Effect of an external magnetic field Check that there is no strong magnetic field present Trouble with the electrical circuit Check that there is no trouble with the electrical circuit Trouble with the electrical specification Check there is no trouble with the electrical specification Precautions for the troubleshooting table 1 Causes of the operation failure due to product life are n...

Page 46: ...t 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 the part of the manufacturer 2019 SMC Corporation All Rights Reserved ...

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