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MD40 

PRODUCT INSTRUCTION MANUAL                              

 

 

 

MD40 

Page 4 of 55 

Author: N.Carapiet | Revision: 1.1 

 

 

IMPORTANT

 SAFETY INFORMATION! 

 

This document is intended as a user guide to operation as determined by the design.    

The instrument described in this document should not be used on any system where toxic, 
flammable, corrosive or otherwise hazardous gases or substances may be introduced without prior 
discussion with UHV Design. 

Hands and fingers should be kept well clear of any moving parts during operation or whilst at 
vacuum. 

This equipment should be put into service only by Competent Persons who have first studied this 
manual and followed carefully the recommended procedures. 

  

 

 

 

INSTALLATION & OPERATION 

This manual covers installation and operation for standard MD40 configurations: 

Manual Actuation  

•

 

Example Part Numbers:  

MD40TX000Z, MD40DX000Z, MD40DX000CE

 

 

Motorised Actuation 

•

 

Example Part Numbers:  
MD40IS1X000Z, MD40SS3X000Z, MD40ISES2DX000CE 

 

Pneumatic Actuation 

•

 

Example Part Numbers:  
MD40RAX000Z, MD40RAIX000Z 

 

 

Summary of Contents for MD40

Page 1: ...MD40 Revision 1 1 Author N Carapiet PRODUCT INSTRUCTION MANUAL Product Range MD40 Product Description CF40 2 75 OD magnetically coupled rotary drive rotary feedthrough ...

Page 2: ...ches and home position 21 2 3 4 DC Motor Operation 23 INLINE MOUNTED STEPPER OR DC MOTORISED MD40 23 2 4 1 Description 23 2 4 2 Stepper Motor Details 23 2 4 3 DC Motor Details 23 2 4 4 Installation instructions 24 2 4 5 Bakeout procedure 28 2 4 6 Stepper Motor Operation 29 PNEUMATICALLY ACTUATED MD40 30 2 5 1 Description 30 2 5 2 Installation instructions 31 2 5 3 Bakeout procedure 35 2 5 4 Operat...

Page 3: ...nsor Specification 45 Base Drive 46 Dual Shaft 47 Pneumatic Drive 48 Side Mounted Stepper Motor Options 49 Side Mounted DC Motor Options 50 Inline Mounted Stepper Motor Options 51 Inline Mounted DC Motor Options 52 Drive rotation is stiff 53 Stepper motor does not run 53 Pneumatic drive won t turn 53 ...

Page 4: ...h UHV Design Hands and fingers should be kept well clear of any moving parts during operation or whilst at vacuum This equipment should be put into service only by Competent Persons who have first studied this manual and followed carefully the recommended procedures INSTALLATION OPERATION This manual covers installation and operation for standard MD40 configurations Manual Actuation Example Part N...

Page 5: ...apiet Revision 1 1 MANUALLY ACTUATED MD40 2 1 1 Description Standard Drive Thimble Manual operation See pages 5 7 Dual Shaft Option Rear shaft to allow the thimble to be driven directly See pages 8 10 See the Drawing section of this manual for dimensional details ...

Page 6: ... removed in order to gain access to the flange mounting holes How to remove the Drive Thimble 1 Remove 3 x M3 Grub Screws 2 Pull End Cap away from Drive Thimble 3 Remove Brake Ring 4 Remove Drive Thimble The thimble requires considerable force to decouple the magnets Take care not to damage the inner magnets 5 Keep all items removed in a safe place Flange Mounting Holes Drive Thimble Brake Ring 3 ...

Page 7: ...ounting the drive How to install the Flange Assembly 1 Use an appropriate CONFLAT Gasket 2 Use 6 appropriate length Mounting Bolts and washers note only hex head bolts can be used 3 Place CONFLAT Gasket into flange counter bore CONFLAT Gasket CF40 Chamber Port Mounting Bolts Flange Assembly ...

Page 8: ...install the Drive Thimble 1 Push Drive Thimble over the Flange Assembly take care when re coupling the magnets the magnetic coupling may cause a sudden movement 2 Insert Brake Ring ensuring that the hole in the brake ring aligns with the screw in the end cap 3 Place End Cap on the end of the Drive Thimble 4 Insert and tighten 3 x M3 Grub Screws 2 1 3 Bakeout procedure The manual drives can be bake...

Page 9: ...cess to the flange bolt holes How to remove the Drive Thimble 1 Remove 3 x M3 Grub Screws 2 Pull Dual Shaft End Cap off Drive Thimble 3 Remove 3 x M3 Grub Screws 4 Remove Bearing Cap 5 Remove Drive Thimble The thimble requires considerable force to decouple the magnets Take care not to damage the inner magnets 6 Keep all items removed in a safe place 3 x M3 Grub Screws 3 x M3 Grub Screws Flange Mo...

Page 10: ...Mounting the drive How to install the Flange Assembly 1 Use an appropriate CONFLAT Gasket 2 Use 6 appropriate length Mounting Bolts and washers note only hex head bolts can be used 3 Place CONFLAT Gasket into flange counter bore CONFLAT Gasket CF40 Chamber Port Mounting Bolts Flange Assembly ...

Page 11: ...when re coupling the magnets the magnetic coupling may cause a sudden movement 2 Replace Bearing Cap 3 Insert and tighten 3 x M3 Grub Screws 4 Replace Dual Shaft End Cap ensure that the drive pin locates in the drive slot 5 Insert and tighten 3 x M3 Grub Screws 2 1 5 Bakeout procedure The manual drives can be baked to 250o C without the need to remove any components In the case of the dual shaft v...

Page 12: ...me sensor or home sensor with limit switches All options are available with optional encoder and are plug and play compatible with UHV Design supplied stepper motor controller purchased separately DC motorised versions may be purchased with a speed and direction control module must be specified at time of order No home limit or encoder versions are available See the drawing section of this manual ...

Page 13: ...tep Option 4 38rpm 40 1 ratio 8 4Nm 0 023 resolution per half step Home Sensor OPTEK slotted opto wired in PNP configuration Limit Switches Honeywell 4SX37 H58 switch wired normally closed Limit Home Connector LEMO 6 pin wired to WD S 004 See Technical Reference section Encoder 500 line incremental See Technical Reference section Encoder Connector M12 8 pin See Technical Reference section 2 2 3 DC...

Page 14: ...oved in order to gain access to the flange bolt holes How to remove the Motor Assembly 1 Loosen the Belt Cover retaining screws 2 Remove the Belt Cover 3 Remove the Motor mount plate screw 4 Tilt the motor assembly towards the drive axis to release the belt tension and then remove the motor assembly Belt Cover Retaining M3 Screws x 2 Belt Cover Motor Mount Plate M5 Screw ...

Page 15: ...rom being removed or re fitted and may damage the switches How to remove the Drive Thimble 1 Loosen the 3 x M3 Grub screws that retain the Thimble Cover 2 Remove the Thimble Cover and Bearing Spacer 3 Remove Thimble The thimble requires considerable force to decouple the magnets Take care not to damage the inner magnets 4 Remove Motor Flange Clamp M4 x Screws x 6 5 Remove Motor Flange Clamp Home S...

Page 16: ...Gasket 2 Use 6 appropriate length Mounting Bolts and washers note only hex head bolts can be used 3 Place CONFLAT Gasket into flange counter bore 4 Insert MD40 flange assembly 5 Insert bolts and tighten Note when tightening bolts care must be taken not to tighten them unevenly as this may cause the gasket not to seal properly CONFLAT Gasket CF40 Chamber Port Mounting Bolts Flange Assembly ...

Page 17: ...Motor Flange Clamp Screws 2 Push Drive Thimble over the Flange Assembly take care when re coupling the magnets the magnetic coupling may cause a sudden movement 3 Replace Bearing Spacer on Thimble 4 Replace Thimble Cover and tighten 3 x M3 Grub Screws 3 x M3 Grub Screws Thimble Cover Thimble Motor Flange Clamp M4 Screws x 6 Motor Flange Clamp Bearing Spacer ...

Page 18: ...round the Timing Pulley 2 Tilt motor assembly to engage Pulley with the Belt 3 Insert and tighten Motor Mount Plate M5 Screw the belt should be under tension 4 Replace Belt Cover and tighten 2 x Belt Cover Retaining M3 Screws Belt Cover Retaining M3 Screws x 2 Belt Cover Motor Mount Plate M5 Screw Belt Timing Pulley Pulley ...

Page 19: ...t following the instructions below Preparing for bakeout 1 Loosen the belt cover retaining M3 screws 2 Remove the belt cover 3 Remove the Motor mount plate M5 screw 4 Tilt the motor assembly towards the drive axis to release the belt tension and then remove the motor assembly Belt Cover Retaining M3 Screws x 2 Belt Cover Motor mount plate M5 screw ...

Page 20: ...tor assembly into position 3 Replace and tighten M5 Cap Head Screw 4 Re install belt cover Note If any switch options are selected care must be taken when removing and re fitting the motor Make sure the thimble is rotated away from the central position Otherwise the sensor flag will interfere with the home sensor and prevent the motor from being removed or re fitted and may damage the switches Hom...

Page 21: ... that should be followed to ensure precise and consistent homing or datuming Always approach the home sensor from the same direction If approaching the home at high speed with a high load then the inertia may cause the sensor to overrun Best practice is to find the home then drive off in the opposite direction and then creep back to the home sensor at a low speed This will ensure a more precise da...

Page 22: ...h Striker to the desired position 3 Re tighten screws Adjusting the Home Position if required 1 Loosen the 3 x M3 Grub Screws in the Adjuster Ring 2 Rotate the Adjuster Ring to the desired position 3 Re tighten screws When finished making the necessary adjustments replace the thimble cover and tighten the grub screws Striker Clamp Screws Switch Striker Grub Screws Adjuster Ring ...

Page 23: ...ns are available 2 4 2 Stepper Motor Details See Technical Reference section for more details Motor Specification 23 frame 4 wires 2 8A per phase See Technical Reference section Motor Connector M12 5 pin See Technical Reference section Option 1 500rpm 1 1 ratio 0 7Nm 0 45 resolution per half step Option 2 300 rpm 5 1 ratio 3 2Nm 0 113 resolution per half step Option 3 150rpm 10 1 ratio 6 4Nm 0 032...

Page 24: ...GE 1 The motor assembly and drive thimble will need to be removed in order to gain access to the flange bolt holes How to remove the Motor Assembly 1 Remove the 2 x M4 Cap head screws 2 Remove the motor assembly Motor Assembly 2 x M4 Cap Head Screws Actuator Housing Screws 3 x M3 Grub Screws Bearing Cap Drive Thimble ...

Page 25: ...s BUT DO NOT REMOVE THEM 2 Remove the Actuator Housing 3 Remove the 3 x M3 Grub Screws from the Bearing Cap 4 Remove the Bearing Cap 5 Remove the Drive Thimble The thimble requires considerable force to decouple the magnets Take care not to damage the inner magnets STAGE 2 Mounting the drive Flange Assembly CONFLAT Gasket CF40 Chamber Port Mounting Bolts Flange Assembly ...

Page 26: ...only hex head bolts can be used 3 Place CONFLAT Gasket into flange counter bore 4 Insert MD40 flange assembly 5 Insert bolts and tighten Note when tightening bolts care must be taken not to tighten them unevenly as this may cause the gasket not to seal properly STAGE 3 Re fitting the Drive Thimble and Motor Assembly Refitting the Drive Thimble Actuator Housing Screws 3 x M3 Grub Screws Bearing Cap...

Page 27: ...s 3 Replace the actuator drive housing The housing must be correctly orientated using the alignment screw on the flange and the cut out in the actuator housing bore without the additional cut out 4 Replace Thimble Cover and tighten 2 x Actuator Housing Screws Refitting the Motor Assembly 1 Align the drive pin with the slot in the Drive thimble 2 Install the motor assembly Orientation is defined by...

Page 28: ... removed prior to bakeout following the instructions below How to remove the Motor Assembly 1 Remove the 2 x M4 Cap head screws 2 Remove the motor assembly Refitting the Motor Assembly 1 Align the drive pin with the slot in the Drive thimble 2 Install the motor assembly Orientation is defined by the alignment screw Alignment Screw Motor Assembly 2 x M4 Cap Head Screws ...

Page 29: ... and all relevant cabling are available from UHV Design Homing Best Practice If using a home sensor option then there are some rules that should be followed to ensure precise and consistent homing or datuming Always approach the home sensor from the same direction If approaching the home at high speed with a high load then the inertia may cause the sensor to overrun Best practice is to find the ho...

Page 30: ... in shutter applications These are available with optional end of travel position sensors Pneumatic Actuator Details See Technical Reference section for more details Cylinder Bore 30mm Cylinder Sweep 180 adjustable Cylinder Fitting 4mm push fit Max Speed 0 2 seconds per 90 load dependant Optional Position Sensors 5 24V 2 wire reed switch See Technical Reference section for more details ...

Page 31: ...p Head Screws 2 Remove Pneumatic Actuator Assembly How to remove the Actuator Housing and Drive Thimble 1 Loosen the Actuator Housing screws BUT DO NOT REMOVE THEM 2 Remove the Actuator Housing 3 Remove the 3 x M3 Grub Screws from the Bearing Cap 4 Remove the Bearing Cap 5 Remove Drive Thimble The thimble requires considerable force to decouple the magnets Take care not to damage the inner magnets...

Page 32: ...Gasket 2 Use 6 appropriate length Mounting Bolts and washers note only hex head bolts can be used 3 Place CONFLAT Gasket into flange counter bore 4 Insert MD40 flange assembly 3 Insert bolts and tighten Note when tightening bolts care must be taken not to tighten them unevenly as this may cause the gasket not to seal properly CONFLAT Gasket CF40 Chamber Port Mounting Bolts Flange Assembly ...

Page 33: ...the magnets the magnetic coupling may cause a sudden movement 2 Replace Motor Bearing Cap and M3 grub screws Refitting the Actuator Housing 1 Replace the actuator drive housing The housing must be correctly orientated using the alignment screw on the flange and the cut out in the actuator housing bore 2 Replace Thimble Cover and tighten 3 x M3 Grub Screws Bearing Cap Actuator Housing Screws Actuat...

Page 34: ...ly 1 Align the drive pin with the slot in the Drive Thimble 2 Install the motor assembly Orientation is defined by the Alignment Screw Alignment Slot 3 Insert and tighten the 2 x M4 Cap Head Screws 2 x M4 Cap Head Screws Pneumatic Actuator Assembly Alignment Screw Drive Pin Alignment Slot 2 x M4 Cap Head Screws ...

Page 35: ...1 Remove 2 x M4 Cap Head Screws 2 Remove Pneumatic Actuator Assembly Replacing Actuator Assembly after bakeout 1 Align the Drive Pin Slot on the Drive Cam with the Drive Pin on the Thimble 2 Install the motor assembly Orientation is defined by the alignment screw 3 Replace and tighten 2 x M4 Cap Head Screws 2 x M4 Cap Head Screws Alignment Screw Alignment Slot 2 x M4 Cap Head Screws ...

Page 36: ...t between 3 5 bar The two opposite ports should be connected to the fittings mounted on the rotary actuator flow controllers Use 4mm or 1 8 OD pneumatic compatible nylon tube Ensure the tube is pushed firmly into the fitting Consult any leading pneumatic company for the components required to control the actuator 2 5 5 Flow Controller Settings If the flow controllers are not set correctly then the...

Page 37: ...as required 3 Replace Dust Cap or Angle Adjust Cap If switches are present once the hard stops have been set the end cap should be replaced and the switches moved to actuate at the end stop positions Adjusting Switches 1 Loosen Switch Adjust Screw 2 Move the Switch around to the desired position by connecting the Switch rotating the Drive until it is on a hard stop and then moving the Switch aroun...

Page 38: ...or N Carapiet Revision 1 1 TECHNICAL REFERENCE Please see the following pages for technical drawings and wiring diagrams Side Mounted Motor Specifications 3 1 1 Stepper Motor Option 1 Note spec sheet is for an encoder motor and is only for pin out reference ...

Page 39: ...MD40 PRODUCT INSTRUCTION MANUAL MD40 Page 39 of 55 Author N Carapiet Revision 1 1 Stepper motor Option 2 4 3 1 2 DC Motor Motor code supplied on all DC MD40 range is M66CE 24 ...

Page 40: ...MD40 PRODUCT INSTRUCTION MANUAL MD40 Page 40 of 55 Author N Carapiet Revision 1 1 3 1 3 Switch Pin Out ...

Page 41: ... MD40 Page 41 of 55 Author N Carapiet Revision 1 1 Inline Motor Options 3 2 1 Stepper Motor Note spec sheet is for an encoder motor and is only for pin out reference 3 2 2 DC Motor Motor code supplied on all DC MD40 range is M66CE 24 ...

Page 42: ...MD40 PRODUCT INSTRUCTION MANUAL MD40 Page 42 of 55 Author N Carapiet Revision 1 1 3 2 3 Home Sensor Pin Out ...

Page 43: ...MD40 PRODUCT INSTRUCTION MANUAL MD40 Page 43 of 55 Author N Carapiet Revision 1 1 Wiring Diagrams 3 3 1 DC Motor pin out ...

Page 44: ...MD40 PRODUCT INSTRUCTION MANUAL MD40 Page 44 of 55 Author N Carapiet Revision 1 1 3 3 2 Typical Pneumatic Circuit ...

Page 45: ...MD40 PRODUCT INSTRUCTION MANUAL MD40 Page 45 of 55 Author N Carapiet Revision 1 1 3 3 3 Pneumatic Sensor Specification The switch number used is D R732 1xLeft and 1xRight handed ...

Page 46: ...MD40 PRODUCT INSTRUCTION MANUAL MD40 Page 46 of 55 Author N Carapiet Revision 1 1 Drawings Base Drive ...

Page 47: ...MD40 PRODUCT INSTRUCTION MANUAL MD40 Page 47 of 55 Author N Carapiet Revision 1 1 Dual Shaft ...

Page 48: ...MD40 PRODUCT INSTRUCTION MANUAL MD40 Page 48 of 55 Author N Carapiet Revision 1 1 Pneumatic Drive ...

Page 49: ...MD40 PRODUCT INSTRUCTION MANUAL MD40 Page 49 of 55 Author N Carapiet Revision 1 1 Side Mounted Stepper Motor Options ...

Page 50: ...MD40 PRODUCT INSTRUCTION MANUAL MD40 Page 50 of 55 Author N Carapiet Revision 1 1 Side Mounted DC Motor Options ...

Page 51: ...MD40 PRODUCT INSTRUCTION MANUAL MD40 Page 51 of 55 Author N Carapiet Revision 1 1 Inline Mounted Stepper Motor Options ...

Page 52: ...MD40 PRODUCT INSTRUCTION MANUAL MD40 Page 52 of 55 Author N Carapiet Revision 1 1 Inline Mounted DC Motor Options ...

Page 53: ... body tube for damage that may be caused during installation Any dents or marks on the flange and body tube may interfere with the inner magnet array 4 Vent system if possible and check inner bearings Stepper motor does not run 1 Check motor cable wiring is correct 2 Check motor drive current is set at correct level in motor controller 3 If motor settings are correct check base drive as per sectio...

Page 54: ...MD40 PRODUCT INSTRUCTION MANUAL MD40 Page 54 of 55 Author N Carapiet Revision 1 1 NOTES ...

Page 55: ...MD40 PRODUCT INSTRUCTION MANUAL MD40 Page 55 of 55 Author N Carapiet Revision 1 1 UHV DESIGN LTD JUDGES HOUSE LEWES ROAD LAUGHTON UNITED KINGDOM BN8 6BN TEL 44 0 1323 811188 www uhvdesign com ...

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