PASCO ME-6807A Human Arm Model - Manual (Page 5)

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M E - 6 8 0 7 A C l a m p i n g t h e A r m M o d e l t o a L a b B e n c h
5
Clamping the Arm Model to a Lab Bench
The base of the arm model must be clamped to a stable object such as a lab bench.
This can be done with a C-clamp or with a model ME-9472 Large Table Clamp.
Depending on how you will use the model, you can clamp the base horizontally, verti-
cally, or upside down.
Locking or Limiting Shoulder Movement
The shoulder can be locked at an angle, or its movement can be limited, using the
adjustable shoulder stops (see Figure 3). Loosen one of the shoulder stop nuts, slide
the stop to the desired position, and tighten the nut. Repeat for the other shoulder stop.
Adjusting the Wrist Angle
Loosen the wrist nut, change the position of the hand, and tighten the nut (Figure 4a).
Attaching the Mass
Use the included screw and nut to attach the 100 g mass to the hand (Figure 4b).
Holding a Ball
Adjust the angles of the shoulder, elbow, and wrist to make the hand horizontal. Place
the ball on the hand (Figure 4c).
Figure 4: The hand
Figure 2: Various ways
to orient and secure
the arm model
loosen nut
and slide
into position
Figure 3: Adjustable
shoulder stops
a b c
loosen nut to
adjust wrist
100 g
mass
ball