SX28-72 Flange Facing Machine
52
7.4.5
Toolpost overrun/gearbox protection device
Fig. 28
The toolpost overrun and gearbox protection device is designed to stop the toolpost
leadscrew nut jamming against a fixed surfacing arm end plate and thus damaging
the feed gearbox. When the feed nut comes into contact with the end plate
it will
push the plate along its mounting studs. Should the operator fail to notice his error
eventually the plate will fall off.
The toolpost and machine will still operate correctly without the end plate but if it is
not replaced the cast iron dovetail slideway may be damaged.
To replace the end plate:
8. Remove the two end plate mounting studs
from the end of the surfacing arm.
9. Push the mounting stud through the star washer with the concave side facing
the thread.
10. Position the end plate and screw the studs back into the slideway.
POSITION THE ENDPLATE SUCH THAT THAT THE STAR WASHERS WILL
LOCATE AGAINST THE FLAT SURFACE OF THE ENDPLATE – NOT INTO THE
COUNTER BORED HOLES.
11. The toolpost and gearbox protection device is now correctly assembled.
FAILURE TO FIT THE STAR WASHER THE CORRECT WAY AROUND WILL
RESULT IN DAMAGE TO THE FEED GEARBOX.
End plate
Star washer
Mounting stud
Summary of Contents for SILK SX28-72
Page 55: ...SX28 72 Flange Facing Machine 54 Fig 30 Main drive assembly ...
Page 59: ...SX28 72 Flange Facing Machine 58 Fig 31 Surfacing arm assembly ...
Page 61: ...SX28 72 Flange Facing Machine 60 Fig 32 Gearbox assembly ...
Page 64: ...SX28 72 Flange Facing Machine 63 Fig 33 Base assembly ...
Page 66: ...SX28 72 Flange Facing Machine 65 Fig 34 Toolpost assembly ...
Page 68: ...SX28 72 Flange Facing Machine 67 Fig 35 Base centraliser ...
Page 70: ...SX28 72 Flange Facing Machine 69 Fig 36 Counter balance ...
Page 73: ...SX28 72 Flange Facing Machine 72 TYPES OF TOOL BIT FOR GENERAL PURPOSE AND FINE FINISH ...
Page 74: ...SX28 72 Flange Facing Machine 73 TOOLS FOR V GROOVE PLUNGE MACHINING ...
Page 78: ...SX28 72 Flange Facing Machine 77 APPENDIX C V GROOVE MEASUREMENT ...
Page 79: ...SX28 72 Flange Facing Machine 78 ...
Page 80: ...SX28 72 Flange Facing Machine 79 APPENDIX D AIR MOTOR MANUFACTURERS INFORMATION ...
Page 81: ...SX28 72 Flange Facing Machine 80 ...
Page 82: ...SX28 72 Flange Facing Machine 81 ...
Page 83: ...SX28 72 Flange Facing Machine 82 ...
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Page 92: ...SX28 72 Flange Facing Machine 91 APPENDIX F BEARING LUBRICATION RU40035UU ...