Rohm RN-1600 Instrucciones De Servicio página 15

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5.1.2 Assembly
1. Insert the built-in clamp into the spindle as
far as it will go without damaging the
piston running surfaces. In the process at-
tention must be paid to the position of the
dimpled holes for the grubscrews and the
position of the threaded holes for the
stroke control connection in the spindle.
2. Check that all three thrust pins are inser-
ted in the collet piston and carefully insert
the clamping plunger.
3. Apply to the clamping plunger a force of
approx. 5000 N (SK 40) or 9000 N (SK50).
The wedge gearing can then be fixed by
screwing in the grubscrews located in the
spindle (with a torque of 0.5 Nm).
4. Screw the coupling ring into the spindle
and firmly tighten.
5. Tighten up the driving screws for the
stroke control on the collet piston (neces-
sary to prevent twisting motion).
Protect all the screw connec-
tions with "LOCTITE No. 243"
and sealing thread points
with LOCTITE No. 542.
5.2 Assemble the stationary
unclamp unit
5.2.1 Preparation
1. All components must be in an undamaged
state
2. Clean mountings or screwed flange
3. The stationary unclamp unit must be dirt-
free and the guide between the mounted
flange and the housing must be lubricated
with F80 grease ID No. 28975.
4. Disassemble the rotary unions for the
coolant.
5. The tilting boxes must be rotated approxi-
o
mately 90
by pushing in and rotating the
screw with an SW3 hex head screwdriver.
5.2.2 Assembly
1. Push the clamping plunger into the rear-
most position (clamping position).
2. Insert the stationary unclamp unit into the
mounting flange, align the mounting holes
and screw in.
3. Move the tilting boxes into the holding posi-
tion by rotating the screw with an SW3 hex
head screwdriver until they are locked into
place by the screw.
4. Insert the rotary unions for the coolant, align
the rotation and fasten with both pan head
screws.
5. Connect the machine hydraulics and coo-
lant supply to the stationary unclamp unit
and ventilate the hydraulics.
Ensure that no strain caused e.g.
by rigid pipe connections is able to
act upon the stationary unclamp
unit. Provide flexible connections
for this purpose. Safeguard all
screw connections with LOCTITE
No. 243.
5.3 Rotary union for the coolant
5.3.1 Description
The rotary union is a subassembly which faci-
litates the transfer of fluids and gases from a
stationary machine component to a spindle,
including one that is rotating at high speed.
The fully coordinated sealing system ensures
trouble-free operation for a long period of
time. Each rotary union has undergone a tho-
rough final inspection before delivery.
5.3.2 Technical features: see assemble
drawing
5.3.3 Remark
The rotary unions are not leak--free. There-
fore, to ensure safety a leak discharge must
be added and be channeled away below
with no possibility of blockage.
¯ In the case of a vertically-mounted installa-
tion, the leakage line itself must not be hig-
her than the leakage line connection.
¯ In the case of a horizontally-mounted in-
stallation, attach the leakage line connec-
tion in the 6 o'clock position.
15

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