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DESIGN OF TURNING FIXTURE Prepared by: Sebin Simon T.Y.Btech (Prod) 071040013

WORKPIECE

TURNING FIXTURE

SEQUENCE OF OPERATION Milling surfaces A and B on both the sides

B

A

LOCATION Location are done by surfaces A, B and C C B B A

C

CLAMPING Clamping is done by T- bolt, V block and two rest plates

LOADING Loading is

done by placing the workpiece between the V block and rest plates, screwing up knurled cylinder

UNLOADING Unloading is easily done by unscrewing the knurled cylinder so that the workpiece becomes free

BACK PLATE The entire assembly is connected to the lathe through this back plate

FACE PLATE The entire fixture is mounted on this face plate

PLATE A The fixture parts can be assembled outside the machine which inturn reduces wastage of time

REST PLATE A It is made light weight by reducing the excess material since the operation rotation of the entire fixture

REST PLATE B The maximum area in contact with the workpiece compared to the area being machined leads to better location and clamping

V BLOCK T slot provided on it ensures a controlled movement

V BLOCK PLATES This plate is fixed to plate A with allen screws

SETTING BLOCK Required to set the cutting tool to the required position

KNURLED CYLINDRICAL KNOB Helps in easy loading and unloading of the workpiece

Sr no. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14.

Part name Back plate Face plate Plate A Workpiece Rest plate A Rest plate B Setting Block V Block V Block plate Knurled knob T bolt Hexagonal bolt Hexagonal nut Allen screw

Qty 1 1 1 1 1 1 1 1 1 1 1 13 13 2

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