Full-Load Vibration Level Comparison; Quantity Of Working Tool Penetration And Quantity Of Body Jumping - Hitachi H 45MR Technical Data And Service Manual

6-3. Full-load Vibration Level Comparison

The graph shown in Fig. 2 illustrates the relationship between handle pressing force and handle vibration level in
the Z direction.
126.0
HITACHI H 45MR
HITACHI H 45MA
124.0
C
B
Normal pressing force range
122.0
120.0
118.0
116.0
114.0
100

6-4. Quantity of Working Tool Penetration and Quantity of Body Jumping

The graph shown in Fig. 3 illustrates the relationship between ratio of
quantity of working tool penetration and ratio of quantity of body jumping.
The quantity of body jumping is less than the similar products and the
working tool quickly penetrates into the workpiece.
1.0
0
50
100
150
H 45MR
150 200
Pressing force (load) (N)
1.00
0.54
100
150
H 45MA
250
Fig. 2
1.20
0.96
102
130
C B
Fig. 3
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Z
Pressing force: 100N