Measuring Tools Flashcards
What measurements require which three (3) elements?
- the part
- the measuring device
- a standard (device to measure against)
The four (4) common rule types are?
- Spring Tempered rule
- Flexible rule
- Narrow Rule
- Hook rule
What are the types of precision calipers?
- Vernier caliper
- Dial caliper
- Electronic digital caliper
What are the parts of the vernier height gauge?
- base
- beam
- vernier slide
- scriber
What are the parts of a micrometer?
- spindle and timble
- anvil
- ratchet
- locknut or lever
- sleeve
What are the caliper’s style?
- Spring caliper
- Firm joint calipers
- lock joint transfer calipers
What are three (3) styles of small hole gauges?
- twin ball
- hardened ball
- half ball
Dial indicators are available in?
continuous and balanced style
List three (3) types of dial indicators
- bottom plunger
- test indicators
- back or black plunger
The two (2) types of squares are?
- solid square
* combination square
Three (3) common style of graduations are?
- imperial (inch) fraction
- imperial (inch) decimal
- metric
The vernier scale of a universal bevel protractor has two scales, each with how many graduations?
12 graduations
What are the type of errors that you might encounter when using dial indicators?
- spindle travel
* cosine error
What is spindle travel?
is when the spindle travels, the greater the distance there is to travel, the more errors can creep into an indicator reading
What is cosine error?
Cosine error is when the axis of the linear measurement is not in line with the axis of measurement
developing an exaggerated measurement
A vernier micrometer uses a scale of?
.0001 inch or .002 mm
What do dial calipers used to move around the face of a dial?
a rack and pinion