2525909
Description
Mind Map by melissaivana13, updated more than 1 year ago
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Created by melissaivana13
about 10 years ago
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Marking & Joining
- Scriber
- Sharp tool to mark
accurate lines
- Sharp tool to mark
accurate lines
- Divider
- Mark out circles or arcs.
- One point digs in the
material, whilst the
other makes a line in
the material.
- Mark out circles or arcs.
- Odd-leg calipers
- Scribe line parallel to a
staight edge.
- The notched leg slide along
material edge while the
scriber point makes a line.
- Scribe line parallel to a
staight edge.
- Surface gauge
- Mark accurate parallel lines.
- Mark accurate parallel lines.
- Dot punch
- Marks positions of drill
holes and make small
dotted dents on
already marked out
lines.
- Has a conical point
ground to 60
degrees
- Marks positions of drill
holes and make small
dotted dents on
already marked out
lines.
- Centre punch
- Has a conical tip ground to 90
degrees.
- Marks the centre of holes for drilling.
- The punch is put into
the dot punch mark and
enlarges it.
- Has a conical tip ground to 90
degrees.
- Welding
- Heat melts the edges of the metals
being joined and forms a pool of
molten metal. Then leave to cool.
- Heat melts the edges of the metals
being joined and forms a pool of
molten metal. Then leave to cool.
- Soldering
- Bonds an alloy to
form a joint.
- 'Parent metals' dont melt.
The surface is cleaned with
flux and heat is applied
using a gas torch.
- The solder is applied, which melts
and 'runs' between the metals.
- The solder is applied, which melts
and 'runs' between the metals.
- 'Parent metals' dont melt.
The surface is cleaned with
flux and heat is applied
using a gas torch.
- Bonds an alloy to
form a joint.
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