Mach 112 Cutting Tools & Measurement Layout Tools

Objectives Identify tools used in performing precision and semi-precision layout. Understand the various uses and techniques for properly using layout tools.

Layout Solution (Dykem)

Scribers

Dividers Fig. E-9 Setting divider points to an engraved rule.

Trammels Fig. E-12 Trammel point used to scribe large arcs and circles.

Hermaphrodite Calipers

Combination Square

Cast iron & semisteel surface plates are made from good- quality castings that have been allowed to age, thus relieving internal stresses. Fig. E-1 Cast iron surface plate. Fig. E-2 Granite surface plate. Granite is superior to metal because it is harder, denser, impervious to water, and if chipped, the surrounding flat surface is not affected.

Surface Gage

Height Gage

Layout Accessories

Prick Punches & Center Punches

Bolt Patterns

Bolt Patterns

QUESTIONS?