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Hilti DS WS15 User Manual

Hilti DS WS15
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6. Preparing the saw system for use
Planning the wire guidance system
Before installing the wire saw, you must carefully
study the situation and plan the wire guides, the drilling
of through-holes, the sequence of the work and the pro-
cedure involved. You must also plan the cooling water
supply and, if necessary, waste water disposal.
Consideration must be given to safety aspects and
cordoning off to prevent access by third parties etc.
Secure the area, plan the removal and transportation
of the sawn-out sections of the structure and all other
necessary measures.
Positioning the wire guide pulleys
6.1
6.1.1
α
H
L
Rule of thumb : Pulley clearance H= 0.2 m per metre sawing length L
Sawing length L:
1,10
1,00
0,90
0,80
0,70
0,60
0,50
0,40
0,30
0,20
0,10
0,00
Pulley clearance H (metre)
Angle of obliquity of action α (°)
0
1 metre 2 metre 3 metre 4 metre
51015202530
Wire pressure
6.1.2
90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15
10 5 0
Angle of obliquity of action α (°)
70 
60 
50 
40
30
20
10
0
Contact pressure force of the wire
(N) x 10
α0
=90°
α1
=70°
α2
=20°
αe=0°
F
F
F
F
Drilling through-holes for the wire
According to the situation, the material to be cut and
the amount of reinforcement in the concrete, a hammer
drill and long masonry drill bits or a diamond coring
machine mounted on a stand can be used to drill through-
holes. Depending on the thickness of the section to be
cut and the material involved, we recommend drill bits
of 16 mm, 37 mm, 67 mm or 102 mm diameter.
Depending on the application, you will also require
accessories and special solutions for drilling to greater
depths.
Setting up the electric supply
NOTE
The DS WS15 wire saw will run even when the elec-
tric supply has only 4 conductors (1 earth/ground and
3 phases). However, the two 230 V supply sockets on
the control unit will provide no power if the neutral con-
ductor is missing. In this case it will be necessary to use
a separate 230 V supply cord for the compressor, lights
or a rotary hammer drill etc.
Ensure that the electric power supply has a fuse rat-
ing of at least 16 amps. A fuse rating of 32 amps is ide-
al. The jobsite power connection must be earthed/ground-
ed and equipped with a 30 mA ground fault circuit break-
er (PRCD). The earth connection and ground fault cir-
cuit breaker must be tested before the saw is operated.
6.2
6.3

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Hilti DS WS15 Specifications

General IconGeneral
BrandHilti
ModelDS WS15
CategorySaw
LanguageEnglish

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