Introduction to Basic Manufacturing Processes and ... - always yours

Sheet Metal Work 353
10. Blow horn stake. Blow horn stake (Fig. 18.4(j)) is generally used in forming,
riveting and seaming tapered articles such as funnels.
11. Conductor stake. Conductor stake (Fig. 18.4(k)) has two cylindrical horns of different
diameters. It is used for forming, riveting, and seaming small sized pipes and tubes.
12. Double seaming stake. Double seaming stake (Fig. 18.4(l)) consists of two cylindrical
horns of different diameters and it is commonly used for riveting forming, and
seaming tubes and small pipes.
(a)
(b)
(c)
(d)
(e)
(f)
(g) (h) (i)
(j)
(k)
(l)
Fig. 18.4 Types of stakes
18.3.4 Stake Holder
Fig 18.5 shows the stake holder, which is a rectangular cast iron plate that has conveniently
arranged tapered holes so that the various stakes may fit in and may be used in different
positions for tackling the sheet metal job for a particular work.
18.3.5 Cutting Tools
Sheet metal shop uses cutting tools, which are described in detail in the chapter 19
pertaining to fitting work along with relevant figures. Commonly used cutting tools involve