Flashcards in Measuring Tools Deck (43)
What measurements require which three (3) elements?
*the measuring device
* a standard (device to measure against)
The four (4) common rule types are?
*Spring Tempered rule
What are the types of precision calipers?
*Electronic digital caliper
What are the parts of the vernier height gauge?
What are the parts of a micrometer?
*spindle and timble
*locknut or lever
What are the caliper's style?
*Firm joint calipers
*lock joint transfer calipers
What are three (3) styles of small hole gauges?
Dial indicators are available in?
continuous and balanced style
List three (3) types of dial indicators
*back or black plunger
The two (2) types of squares are?
Three (3) common style of graduations are?
*imperial (inch) fraction
*imperial (inch) decimal
The vernier scale of a universal bevel protractor has two scales, each with how many graduations?
What are the type of errors that you might encounter when using dial indicators?
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
Height gauges are used for what type of layout?
You should never use dial test indicators for?
Direct linear measurement
Each vernier scale graduation on a 50 division metric vernier height gauge is equal to what part in mm?
What are the marking on a ruler called?
What are the two(2) types of tapes?
What are the types of readings that a vernier caliper can perform?
Plate protractors and bevel protractors measure angles to what degrees?
1° or one degree
Steel rules are usually?
The most common unit used for angler measurements is?
Universal bevel protractors can discriminate to what degree?
5 minutes of a degree
The imperial micrometer uses a screw thread with a pitch of?
Why is inside measurement more difficult to take than the outside measurements?
space is limited, and it can be difficult to align with the true diameter