WorksheetsMSFFDM4005 - Design, construct and test jigs
Total questions: 19
Worksheet time: 10mins
Name
Class
Date
1.
Which of these is a suitable material for jig making
a)
MDF
b)
Partical board
c)
Plywood
d)
All of these
2.
True or false MDF is more readily available and is less expensive than quality plywood
a)
True
b)
False
3.
Which material is more durable
a)
Plywood
b)
MDF
4.
When weight is a factor, which is heavier?
a)
Plywood
b)
MDF
5.
Why are sheet goods preferred vs timber when making jigs
a)
Dimensionally stable
b)
Less expensive
c)
Available in various thicknesses
d)
All of these
6.
When building jigs, how can you make them more durable
a)
Use threaded inserts to facilitate repeated tightening/loosening
b)
Apply a finish to edges
c)
Glue as well as screwing jig parts together
d)
All of these
7.
Toggle clamps are used with jigs to:
a)
Hold components safely
b)
Speed up machining process for multiple components
c)
Hold components accurately
d)
All of these
8.
Glueing sandpaper to jig surfaces
a)
Helps keep components firmly in place
b)
Helps to pre-finish components
9.
When building jigs is it good practice to label them?
a)
Yes
b)
No
10.
Is it good practice to do a drawing of the jig before building it
a)
Yes, even if it is a rough sketch
b)
No, just figure it out as you go
11.
Can you rely on a drawing to guarantee that the jig will work
a)
Yes, it should be perfect
b)
No, you will always need to test the jig first
12.
When testing a jig which is best practice
a)
Use spare components milled to the same dimensions as the actual components
b)
Use any scrap material to test the cut.
13.
When making and testing jigs should you be prepared to make iterative adjustments to fine tune the jig?
a)
Yes
b)
No
14.
Jigs often involve angles - what is one mathematical technique you might use?
a)
Proximity
b)
Taxonomy
c)
Trigonometry
15.
Which are the best measuring tools to ensure accuracy of jig design?
a)
8m tape covers all situations
b)
Vernier calliper & steel ruler
16.
From this technical drawing, what is the radius of the outside curve?
a)
5mm
b)
24mm
c)
17mm
17.
On this technical drawing the dimension denoted by the red arrow is not stated, but can be deduced - what is it?
a)
60mm
b)
30mm
c)
40mm
18.
The Felder saw uses 300mm diameter blades - what is the highest cut it can make?
a)
150mm
b)
300mm
c)
95mm
19.
When using a circle cutting jig on the bandsaw, what is the maximum diameter that can be cut?
a)
The distance between the table and the top bearing guides
b)
The distance between the blade and the left hand frame
100 %
