Most candidates were unable to:
- state the function of the surface planer;
- name the parts labelled;
- sketch and name a suitable device used on the surface planer
The expected response to question 1 is as given below:
(a) Functions of the Surface Plane
- end shooting
(b) Naming of Parts of the Surface Plane
A - Outfeed table (or Rear Table)
B - Fence
C - Infeed table (Front table)
(c) Stating the correct function of Parts of Surface Plane
A - Outfeed table – It is used to set level with the top of the cutting circle of the cutter to support the planed surface.
B - Fence – It is adjusted to any required position across the table to enable different sizes of timber to be surfaced or edged.
C - Infeed table – It is adjusted to vary the cutting dept or to vary the amount of timber which is to be planed.
D - Bridge guard – used to guard the cutter block.
(d) (i) Sketch of Safety Device
(ii) Push block