Engineering - Manufacture Flashcards
What is the measuring tool?
Verniers
What is the 90 degrees tool?
Engineers square
What cuts metal?
Hacksaw
What adds internal and external threads?
Tap does internal thread
Threaded die does external thread
What holds parts to be machined in place?
Machine vice
What normally holds parts in place?
G Clamp
What marks out a point on a part?
Centre punch
What marks out a cutting line?
Scriber
What measures small distances accurately?
Micrometer (looks like a mini G clamp)
What tools are used to mark out onto metal?
Engineers square, metal rule, marking our fluid and a scriber
What tools are used to mark out plastic?
Engineers square, metal rule, marker pen
What tools are used to cut metal?
Hacksaw, CNC cutter, tin snips, shearing
What tools are used to cut plastic?
Scroll saw, coping saw, laser cutter
What is used to finish metal?
Galvanising, electroplating, anodising, dip coating
What is used to finish plastic?
Wet and dry paper, buffing
These can be used for metal too
How is permanent joining done for metal?
Welding, brazing, soldering or rivets
How is permanent joining done for plastic?
Solvent cement, epoxy resin
How is temporary joining done for metals?
Bolts and screws
How is temporary joining done for plastic?
Bolts, plastic rivers, screws
What is oxy-acetylene welding?
A gas welding process where the flame comes from a mixture of oxygen and acetylene
Advantages of oxy-acetylene welding
Inexpensive
Ease of controlling temperature
What is spot welding?
Electrical resistance welding
What are the advantages of spot welding?
Free from fumes or spatter
Cost effective
What is just in time manufacture?
No more products are made than what is needed
Products are sent off straight away
No materials or products in storage
