1 / 21

MEASURING AND MARKING TOOLS

MEASURING AND MARKING TOOLS. RULER. A METAL RULER is the most important measuring tool. It is usually 12” or 24” long. . SCRIBER. It is a very thin steel tool sharpened to a point. It is used to scratch lines and measurements on metal.

heather
Télécharger la présentation

MEASURING AND MARKING TOOLS

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. MEASURING AND MARKING TOOLS

  2. RULER A METAL RULER is the most important measuring tool. It is usually 12” or 24” long.

  3. SCRIBER • It is a very thin steel tool sharpened to a point. It is used to scratch lines and measurements on metal.

  4. A SCRIBER is considered the “metalworker’s pencil”.

  5. 2 TYPES OF PUNCHERS • 1. PRICK PUNCH- Is used in sheet metal work to locate the center of an arc or hole.

  6. 2. CENTEPUNCH- Is used to mark holes to be drilled.

  7. OUTSIDE CALIPER • Is used to measure the outside dimensions of either flat or round stock.

  8. INSIDE CALIPER • Is used to measure the diameter of holes.

  9. DIVIDER • It is used for inscribing arcs and circles and for transferring measurements directly from the rule.

  10. COMBINATION SQUARE • It has a blade and a head that can slide along this blade to be locked in any position.

  11. ACTIVITY

  12. QUIZ: Enumerate the ff. question. 1-2. What are the 2 types of punchers. 3-4. What is the difference between inside caliper and outside caliper. 5. What are the 2 angles that can be produced in Combination Square.

  13. ASSIGNMENT: • What do you mean by cutting tools? • What ate the tools that will used in cutting metals

More Related