WorksheetsProcesses - forming metals
Total questions: 15
Worksheet time: 10mins
What is the name of the hole you pour the metal into during casting?
Runner
Riser
Cope
Drag
What are the cope and drag together called?
kettle
box
flask
sprue
Which part of sand cast preparation prevents air pockets?
fettling
riser
core
runner
Identify 2 quality issues with cast metal parts
Incomplete cast
Too much material outside the pattern shape
Textured surface
Sprue
Name 2 causes of quality issues to do specifically with the forging process
Material not heated enough before forming
Not enough pressure applied to the part
Operator error
Lack of operator training
What part must always be removed from a cast product?
drag
rammer
flask
sprue
Which of these is NOT a shape of file?
rat tail
half round
hexagonal
square
Complete the name of machine used to bend metal; shear press (a)
Name the two parts of a press former
press and die
punch and die
hit and die
slap and die
What is forging?
A CNC process to cut a metal shape
The use of molten metal to form a metal shape
The use of heat and pressure to form a metal shape
An abrasive process to shape metal
What is the term used to describe the process of trimming and cleaning the edges of a metal cast?
(a)
What would be a suitable process for forming stainless steel sheet into a sink shape?
Press forming
Press moulding
Force moulding
Punch forming
How could you correct a quality issue of an incomplete cast? (pick 2)
Check the temperature of the metal before pouring
Ensure the metal is seen in the riser before pour is stopped
Put the flask the correct distance from the crucible
Offer more training to the operative
How could you solve the quality issue of too much material outside the pattern shape in a cast? (pick 2)
Pour molten metal quicker
Pour molten metal slower
Ensure the sand is packed firmly around the pattern
Check the temperature of the metal before pouring
What is the purpose of the riser in sand casting? (pick 2)
To allow air to exhaust as the metal is poured into the mould
To visually see when the mould is full of molten metal
Provides a hole for the molten metal to be poured into
To hold the spare metal
