4.4.3. Feed system of the movable vice
Moving vice is in all types standardly equipped with a slowing system in the end positions - when feeding the material both forward
and backwards.
Description of the cycle:
Moving vice grips the material, slowly starts, runs to its maximum speed, and begins to slow down before reaching the feeding length.
When feeding just short courses, e.g.10 mm, the feeding vice can start moving and then immediately slow down. This very important
feature of the saw ensures minimum inertia forces and thus prevents slipping of the material in jaws. At the same time, it uses the
greatest time efficiency and the accuracy of the fed material. The whole system is controlled with maximum precision by the PLC -
a control unit of the entire saw.
The feed speed of the movable vice can be set in three speeds (see Machine settings - servo speed). Speed 1 = 3,0 m/min, speed 2 =
2,5 m/min, speed 3 = 1,6 m/min. Lightweight materials can be set for an effective and quick feeding to speed 1 - maximum speed, and
possibly also medium heavy pieces of short feeding. On the contrary, cutting very heavy materials of long lengths could due to the
influence of inertial forces cause crossings or slipping of material in the jaws. In this case, set a lower speed.
4.4.4. Setting the auxiliary roller
The auxiliary roller slides on guide rods and is used to support short
(end) pieces of material, when the material does not longer reach as
far as the fixed roller track.
Set the auxiliary roller outside the range of motion of the feeding vice
and its feeding length.
auxiliary roller
4.
5
.
Removal of Protective Covers
Caution! You can remove the protective covers only if the POWER SWITCH is turned
off and secured against restart or if the machine is disconnected from the mains.
Caution: Danger of injury by the sharp teeth of the saw blade. Use protective gloves.
Do not reach between the wheels and the saw blade.
4.5.1. Removal of protective covers of the saw blade in ARG 260 CF-NC, ARG 300 CF-NC, ARG 300
DCT CF-NC, ARG 330 CF-NC, ARG 330 DC CF-NC
Connect the machine to the mains and press the POWER SWITCH. The TOTAL STOP button is unlocked. Press the SAFETY button
in order to display the MAIN MENU. Start the MANUAL MODE, switch on the HYDRAULIC UNIT - START. Start the uplift of the arm
and stop it above the fixed jaw of the vice, or even at the maximum lift of the arm. Close the CONTROL VALVE of the damping
cylinder (see Section 4.2.), start the arm descent and by gradual releasing of the control valve, descend the arm to about 30 mm
above the fixed jaw of the vice. Lock the CONTROL VALVE to prevent further descent of the arm. Turn off The HYDRAULIC UNIT -
STOP. Switch off the POWER SWITCH and secure it against restart. Unscrew and slide out the cover of the front rod (A) and place it
aside. Unscrew the blade cover (B) an place it aside. Unlock the angled shoulder bolts and tilt the rear cover of the arm (C) upwards
and secure by bolts. Use a reverse procedure to mount back the protective covers. Turn on the POWERSWITCH. In the MANUAL
MODE, press the SAW BLADE UPWARDS button and the arm will also travel into the upper position; or press the SAW BLADE
DOWNWARDS button and the arm will travel to the lower position.
