Orbital Mechanism; Blade Movement; Orbital Position Selection - Hitachi CJ 110V Technical Data And Service Manual

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7. ORBITAL MECHANISM

In the Model CJ 110V, the orbital mechanism moves the blade up-and-down and forward-and-backward in

the same manner as the Model CJ 65V2. This makes the blade dig well into wood and other soft materials

and also discharges cutting chips well to achieve speedy cutting. The amount of fore-and-aft blade

movement can be adjusted just by turning the change knob to any of the four settings. The following table

shows the modeled orbits of blade movement at each orbital position (change knob position).

III

1.5 mm (1/16")

(At guide roller position)

Selection of the most appropriate orbital position for each cutting job is essential to achieve the best

efficiency for cutting. However, as the best orbital position depends on such factors as the hardness and

thickness of the workpiece, the desired finish of the cut surface, and so on, it is not practical to set a single,

simple standard for best orbital position selection. The table (next page) can be used as a general guide for

appropriate orbital position selection based on various factors.

III

1 mm

(1/24")

Table 1

Blade movement illustration

--- 7 ---

0.5 mm

Perpendicular

(1/48")

movement only

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