Page 62 - CITS - Fitter Trade Practical - Volume -2

FITTER - CITS

Ensure that the drilled holes are deburred and the sheets are flat.
Hold vice dolly rigidly in the bench vice.

Place the sheet having all holes drilled over the other, align the drilled hole and coincide the marked lines for lap
with the edges.
Insert the rivet in the centre hole and place the rivet head on the vice dolly, to avoid deformation, while hammering.
(Fig 1 & 2)

Fig 1

Fig 2

Place the deep hole of the rivet set over the shank of the rivet. (Fig 3)

Fig 3

Strike the rivet set with a ball peen hammer to bring the sheets closer, to set the joint firmly for riveting. (Fig 3)

Remove the rivet set over the shank of the rivet.
Form the rivet head roughly by hammering it down initially and then rounding the head using a ball peen hammer.
(Fig 4 & 5)

Fig 4

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CITS : C G & M - Fitter - Exercise 64