Offhand Grinding

Description

Offhand Grinding
Lukasz N
Quiz by Lukasz N, updated more than 1 year ago
Lukasz N
Created by Lukasz N almost 3 years ago
26
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Resource summary

Question 1

Question
In offhand grinding operations, ____.
Answer
  • Great accuracy is required.
  • The grinding is done on a lathe.
  • The part is held in the operator’s hands.
  • The part is rotated against a stationary abrasive tool.

Question 2

Question
A wet grinder __________.
Answer
  • Has no provision for cooling the work.
  • Requires that the part be dipped in water.
  • Keeps the wheels constantly flooded with fluid.
  • Cools the work by blowing air across its surface.

Question 3

Question
For safety reasons, the tool rest on a bench or pedestal grinder should be a maximum of ______ from the wheel.
Answer
  • 1/16”(1.5mm)
  • 3/32”(2.4mm)
  • 1/8”(3.2mm)
  • 3/16”(4.8mm)

Question 4

Question
Portable hand grinders are often used for ___________.
Answer
  • roughing
  • light deburring
  • sharpening tools
  • grinding to precise sizes

Question 5

Question
Grinding wheels should be examined frequently for all of the following except
Answer
  • cracks
  • diameter
  • concentricity
  • roundness

Question 6

Question
To obtain maximum efficiency from a grinder, you should _________.
Answer
  • hold the work in one place on the wheel face
  • grind using the sides of the wheel
  • use the face of the wheel, not the sides
  • grind only soft metals

Question 7

Question
The face of the wet grinder is crowned slightly to minimize the possibility of a carbide tip lathe cutting tool from. _____
Answer
  • being ground away too rapidly
  • damaging the wheel by causing excessive wear
  • being damaged or destroyed by excessive heat buildup
  • cracking the grinding wheel
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