Design Of Turning Fixture

Design Of Turning Fixture Prepared By: Nitish R. Bhujbal Roll No. 071040001 T.Y.B.Tech.(Production Engg)

FINISHED COMPONENT

Sequence Of Operation 1.Facing Of Reference Surfaces A & B

A

B

2.Boring Of Φ40 Hole C

C

Design

Principle Of Location 1.Location 2.Clamping 3.Loading & Unloading

Location 1.Location is done using surfaces A,B,C & D 2.V-block is used for location of circular surfaces 3.Two resting pads are used for correct alignment of the workpiece on face plate

Clamping There is no actual requirement of clamps because we have used two V-blocks, one is fixed on the faceplate & other is movable.

Loading Losing the movable V-block & place the component on fixed V-block & on the resting pads. After this tighten the movable V-block from the lower part as shown by using T-slot created in Vblock & using collar rotation.

Unloading o By simply rotating collar in anticlockwise direction we can unload the workpiece

Parts Qty 1. 2. 3. 4. 5. 6. 7. 8.

Faceplate Backplate V-block Bolt Nut Setting Block Lead Block Collar with T-shape rod

1 1 2 9 9 1 2 1

Faceplate It is used to support V-block , main component,etc.

Back plate It is used to hold face plate

V-block It is basically used to locate circular surfaces and also it clamps the component

Moving bolt It is actually supported by collar and by means of T shape it moves the component vertically

Resting pads It is used to support the component

Bolt Used for fitting purpose

Nut Used to tighten on bolt.

Setting block Used to set the accurate location of surface to be machined.

Lead block Used for balancing the fixture

Assembly

 Assembly of face plate to back plate by means of 3 nut &3 bolts  Resting pads fixed by nuts & bolts  One V-block is fixed by 2 bolt & 2 nuts  Pocket is created in face plate to locate setting block temperarily  2 lead blocks are used for balancing  Screwing is provided wherever necessary

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