UHVD MD40 Technisches Datenblatt
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).
MD40 PRODUCT INSTRUCTION MANUAL
MD40 Page 2 of 55 Author: N.Carapiet | Revision: 1.1
TABLE OF CONTENTS
MANUALLY ACTUATED MD40.............................................................................................. 5
2.1.1 Description..........................................................................................................................5
2.1.2 Installation instructions –Standard Drive Thimble .............................................................6
2.1.3 Bakeout procedure..............................................................................................................8
2.1.4 Installation instructions –Dual Shaft Option.......................................................................9
2.1.5 Bakeout procedure............................................................................................................11
SIDE MOUNTED STEPPER OR DC MOTORISED MD40...................................................12
2.2.1 Description........................................................................................................................12
2.2.2 Stepper Motor Details.......................................................................................................13
2.2.3 DC Motor Details...............................................................................................................13
Installation instructions .......................................................................................................... 14
2.3.1 Bakeout procedure............................................................................................................19
2.3.2 Stepper Motor Operation ..................................................................................................21
2.3.3 Adjusting limit switches 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 Operation..........................................................................................................................36
2.5.5 Flow Controller Settings....................................................................................................36
2.5.6 Adjustment........................................................................................................................37
Side Mounted Motor Specifications.......................................................................................38
3.1.1 Stepper Motor Option 1 ....................................................................................................38
3.1.2 DC Motor...........................................................................................................................39
3.1.3 Switch Pin Out ..................................................................................................................40
Inline Motor Options .............................................................................................................. 41
3.2.1 Stepper Motor...................................................................................................................41
3.2.2 DC Motor...........................................................................................................................41
3.2.3 Home Sensor Pin Out.......................................................................................................42
Wiring Diagrams....................................................................................................................43
3.3.1 DC Motor pin-out...............................................................................................................43
3.3.2 Typical Pneumatic Circuit .................................................................................................44
MD40 PRODUCT INSTRUCTION MANUAL
MD40 Page 3 of 55 Author: N.Carapiet | Revision: 1.1
3.3.3 Pneumatic Sensor 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
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
MD40 PRODUCT INSTRUCTION MANUAL
MD40 Page 5 of 55 Author: N.Carapiet | 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.
MD40 PRODUCT INSTRUCTION MANUAL
MD40 Page 6 of 55 Author: N.Carapiet | Revision: 1.1
2.1.2 Installation instructions –Standard Drive Thimble
STAGE 1 | To install the drive onto the vacuum system, the drive thimble will have to be 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 x M3 Grub Screw
End Cap
MD40 PRODUCT INSTRUCTION MANUAL
MD40 Page 7 of 55 Author: N.Carapiet | Revision: 1.1
STAGE 2 | 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
MD40 PRODUCT INSTRUCTION MANUAL
MD40 Page 8 of 55 Author: N.Carapiet | Revision: 1.1
1. Insert MD40 flange assembly
2. 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 | Replace thimble and associated parts.
How to re-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 baked to 250oC without the need to remove any components.
Drive Thimble
Brake Ring
3 x M3 Grub Screw
End Cap
Flange Assembly
MD40 PRODUCT INSTRUCTION MANUAL
MD40 Page 9 of 55 Author: N.Carapiet | Revision: 1.1
2.1.4 Installation instructions –Dual Shaft Option
STAGE 1 | To install the drive onto the vacuum system, the drive thimble will have to be removed
in order to gain access 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 Mounting Holes
Drive Thimble
Bearing Cap
End Cap
MD40 PRODUCT INSTRUCTION MANUAL
MD40 Page 10 of 55 Author: N.Carapiet | Revision: 1.1
STAGE 2 | 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
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