DoAll C-520NC User manual

Segatrici
S.r.l Instruction Manual Pag.1
Edition A
Segatrici S.r.l.
INSTRUCTION MANUAL
Band Saw Machine
type
C-520 NC
Customer : DoALL Europa BV
March 1998

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S.r.l Instruction Manual Pag.2
Edition A
INDEX
General warnings
1. General information.
2. Machine identification data.
3. How to use this instruction manual.
4. Manufacturer liability limits.
5. Type of use allowed.
6. Technical description.
7. Machine protections.
8. How to move the machine.
9. How to install the machine.
10. What to do to prepare the machine to operate.
11. Safety devices.
12. Machine use, calibration e tune-up.
13 How to dismantle the machine.
14. How to service the machine (ordinary problems).
15. Maintenance
16. Remaining dangers
17. Personnel training
18. Machine dismantle
19. Spare parts
Exhibit
Spare parts A
Drawings B
Electrical schematic C
Hydraulic schematic D
Proof of test E
Declaration of Conformity F

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S.r.l Instruction Manual Pag.3
Edition A
GENERAL WARNINGS
This machine was design and built using the state of the art techniques, and with respect of the machine tools European
Laws.
Notwithstanding what above, it is implicit that working underestimating or forgiving the dangers which this kind of ma-
chine can generate, the operator could cause a serious injury to him/herself.
Therefore, the operator should carefully read the entire instruction manual, and respect strictly what in it prescribed.
In particular, please pay attention to the following suggestions :
1. Keep always your working area clean.
2. Avoid to keep in your working area pieces of material, chips, cans, or other things which could reduce the possi-
bility of movement for the operator or even generate risks of injury.
3. Be always cautious using the machine, because, even if it is protected in every dangerous spot, it can be a dan-
gerous equipment, and thus it has to be use being particularly careful and aware.
4. Give immediately notice to your supervisor if the machine needs to be maintained or serviced, even if the prob-
lem is caused by inexperience. An incorrect use of the machine can be dangerous and can cause injuries.
5. Do not try to repair the problem if you are not sure of what caused it.
6. Never service or maintain the machine when it is running. Always turn it off.
7. Never leave the machine working without respecting the safety rules or removing the safety devices.
8. Remove electrical power when the machine is not working.
9. Always wear protective cloths, especially when replacing the blade.
10. Never do anything imprudent.
11. Never touch the unprotected part of the blade.
12. Never cut any piece shorter than the shortest possible length.
13. Never start cutting if the material is not firmly clamped by the vises.
14. Move the material only if the cutting bridge is completely up.

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S.r.l Instruction Manual Pag.4
Edition A
1. GENERAL INFORMATION
1.1. GOAL OF THIS MANUAL.
This manual wants to explain instructions about how to operate safely, using texts, drawings, pictures and diagrams used by
themselves or combined to instruct the operator to use the machine.
1.2. REGULATIONS TO REFER.
This manual was written to comply to the European Machine Directive UNI-EN 89/392 and following modifications, and
based on UNI-EN 292/1 e 292/2 concerning a safe use of the machine.
1.3. MANUAL DESCRIPTION
This document contains information needed to :
•install and make the machine work
•normal use of the saw
•how to maintain the machine
•how to service the machine
•how to dismantle the machine

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S.r.l Instruction Manual Pag.5
Edition A
2. MACHINE IDENTIFICATION DATA
TAB 2.1
Identification data
Description Denomination or value Plate
Name Band Saw machine
Type C-520 NC Yes
Serial number 98043 Yes
Year 1998 Yes
Voltage and frequency 380 V 3f+N +- 10% 50 Hz +- 1% Yes
Hydraulic power unit Yes
Control circuit 110 V. c.a. 50 Hz
Dangerous area Area around the machine (1.5meters)
Working place Machine control panel
Type of tool Band saw blade
Machine
Description Band saw machine, type C-520 NC
Total amperage A 28
Maximum power kW 12.5
Approximate weight Kg 3500
TAB 2.2
Technical Characteristics
Machine
Description C-520 NC
Round cutting capacity mm 520
Square cutting capacity mm 520x520
Index stroke mm 500
Band drive motor kW 7.5
Blade dimension mm 6400x54x1.6
Blade speed m/1’ 20-100
Hydraulic pump motor kW 4
Coolant pump motor kW 0.25
Hydraulic pump capacity l/1’ 27
Voltage of motors V 400 c.a.
Control circuit voltage V 110 c.a.
Cutting kerf mm 1.8
Hydraulic reservoir l 50
Coolant reservoir l 70
Working height mm 770
Machine overall dimension mm 2800x2500x2800 H
Shipping dimension mm same
Color RAL Green 6026
Moving components color RAL Orange 2004
Maximum noise level dB 80
Weight (Approximate) Kg 3500

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S.r.l Instruction Manual Pag.6
Edition A
2.1 MAIN COSTRUCTIVE CHARACTERISTICS.
The machine uses :
•Cutting programmer CN015
•Trouble shutting control panel “Check Panel”
•Automatic feeding control device
•Blade speed controlled by an AC motor and a variable frequency drive.
•Working surface with non-wearable materials.
•Ball precision screws to control index movements.
•Vises with tempered inserts.
•Pressure reducer valves on vises.
•Self-positioning band guides.
•Carbide inserts mounted inside the band guides.
•Band brush powered by hydraulic motor.
•Chip conveyor powered by hydraulic motor.
•Cutting bridge mounted on chromate columns.
•Welded frame.
•Castings in gray iron C26
•Hydraulic band tension.
The saw is built to work in automatic also without an operator. A special design in the rear vise and working surface area al-
lows the machine to cut slightly irregular bars.
2.2. BLADE SPEED
The blade speed is controlled by an AC motor and a variable frequency drive, which allow to regulate the blade speed within
a range of 0- 100 m/1’. In this way the machine can cut both hard steels and aluminum. A digital reader constantly shows the
blade speed .
The blade speed can be adjusted :
•in automatic cycle during the editing ;
•in manual using a rotary potentiometer mounted on the control panel.
2.3. WORKING SURFACE
The material that has to be cut lays on a roller way that covers the entire stroke of the machine. The distance between the roll-
ers is studied to avoid that short pieces can fall.
2.4. INDEXING
The material is fed by an index with hydraulic vises, which clamp the piece and move it under the blade. The index moves
on round chrome guides located underneath the roller table, and it is controlled by a tempered steel precision ball screw . The
index has two speeds : fast to move and slow to precisely position the piece. A rotary encoder (with a precision of a tenth of
a millimeter) controls the position of the index.

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S.r.l Instruction Manual Pag.7
Edition A
2.5. VISES
The saw vises are hydraulic. The clamping part of them have a tempered insert bolted. Besides, the hydraulic circuit that
controls the vises has a pressure reducer valve with a gauge to avoid to clamp with too much strength the material and de-
form it.
TAB 2.3
Cutting tolerances
Machine
Description C-520 NC
On the length mm ±0,15 mm / 500 mm
On the perpendicularity mm ±0,2 mm /100 mm
3. HOW TO USE THE INSTRUCTION MANUAL
3.1. WHO SHOULD READ THE INSTRUCTION MANUAL ?
TAB 3.1 Who should read the manual
Description Operator Internal service
Mechanical Electrical
Instruction Manual Yes Yes No
Electrical Schematic No No Yes
The electrical schematic is included in this manual and cannot be supplied separately.
3.2. WHERE TO KEEP THIS MANUAL
This manual, that is provided along the machine in one copy, should be kept where the machine is located, in a safe and pro-
tected place, to be consulted if necessary.
3.3. STRENGTH OF THIS MANUAL
1. This manual reflects the state of the art at the time the machine was built, and cannot be considered replaceable by a
newer version.
2. This manual has full force for all the life of the machine it goes along.
3. The customer is not allowed to copy totally or partially this manual to reach goals different than the one of the origi-
nal manual, and to avoid that a partial documentation replaces the original one.
3.4. MANUAL UPDATE
The manufacturer does not have to update this manual if improvements are adopted on newer machines of the same kind of
the one this manual make reference to.
This manual will be updated by the manufacturer only if :

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S.r.l Instruction Manual Pag.8
Edition A
•this manual contains mistakes, errors, or something is missing;
•the original machine is modified by the manufacturer.
Marginal errors or missing elements, if considered important for the correct work of the machine and its safe use will be im-
mediately notified through an “Errata Corrige”.
To modify this manual the manufacturer will bring all the copy of the same edition back and then new copies will be sent to
the customer.
The latest version is marked with higher letter (A, B....). The first edition is called “Edition A”.
3.5. HOW TO OBTAIN MORE COPIES
If necessary, the customer can obtain new copies of this manual simply making a written request and mentioning on it the
machine serial number.
If copies are requested, the manufacturer has the right to be paid to issue them.
3.6. IF THE MACHINE CHANGE OWNER
If the original customer sales the machine, he/she should notify the manufacturer that the machine changed ownership, so to
allow the manufacturer to inform the new user on the dangers and limits of liability.
3.7. SUGGESTIONS
The customer should notify the manufacturer if improvements are necessary and where they are to increase an easy under-
standing of this manual/
4. LIABILITY LIMITS
The manufacturer cannot be responsible if the machine if used in one following ways , which are classified as inappropriate :
4.1 INAPPROPRIATE USE OF THE MACHINE
It has to be considered inappropriate the use of the machine if :
•the safety rules are partially are completely unattended ;
•what the manufacturer prescribed is not done ;
•the a danger or injury is due to an incorrect installation or assembly of the machine, and it was not done by the customer
or under his surveillance ;
•wrong installation of protective equipment after maintenance or service ;
•hydraulic or electrical problems due to the producer of the component and not to the producer of the machine ;
•big deficiency in maintenance ;
•modifications or maintenance on the machine without authorization of the manufacturer ;
•use of atypical tools, other than the ones suggested by the manufacturer ;
•use of non-original spare parts, other than the one suggested by the manufacturer ;

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S.r.l Instruction Manual Pag.9
Edition A
•Partial or complete non-observance of the instructions ;
•machine used by uninstructed operators without control of an expert operator ;
•movement or machining of non-typical materials, or oversize and overweight materials compared to the ones indicated ;
•natural calamities, including earthquakes, floods or others which could provoke danger or faults to the machine or its
structures easy to be identified ;
•if electrical , pneumatic or mechanical safety features were partially or completely removed ;
•maintenance while the machine is working;
•when parts of the machine are tensioned using temporary connections, without protection or using faulty materials ;
•a person without experience is within the danger area while the machine is running ;
•a person with experience is within the danger area while the machine is running with the automatic cycle.
It has to be considered inappropriate also when the machine runs without enough surveillance to assure the operator
safety or to assure that the machine can run properly.

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S.r.l Instruction Manual Pag.10
Edition A
5. TYPE OF USE ALLOWED
5.1. MACHINE ADDRESSEE
This machine was design and built to comply a professional use, meaning that, besides the technical knowledge required, it is
necessary to have a specific knowledge to operate the saw to obtain the required goals.
5.2. OPERATOR
The saw operator should have experience on similar type of machine. People with low or none experience must be educated,
followed and watched by a supervisor with enough experience and ability.
Therefore, the operator must be aware about dangers related to the use of this machine, and dangers due to normal handling
of metallic materials, similar, or heavy .
This machine cannot be used by people with handicaps or disables.
5.3. REGULATION
Designing and building this machine we respected the following laws and rules :
•UNI rules
•CEI rules
and more in detail, concerning the safety features (type A and B rules):
•European Community Machine directive 89/392;
•CEI-EN 60204-1 and related rules concerning electric’s, with respect of EC directive 73/23 ;
•EN 292/1
•EN 292/2
If not clearly specified, every component used on this machine was UNI and CEI approved at the time it was bought or
made.
5.4 TYPICAL USE
This machine was designed and built to cut metallic materials fed by automatic systems and with overall size non larger than
the ones listed in the chart below (5.4). The saw can move :
1. movement of the material before and after each cut ;
2. vertical movement of the cutting bridge ;
3. blade rotation.
All these movements could take place at the same time.
The saw has the following performance :

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S.r.l Instruction Manual Pag.11
Edition A
Tab. 5.4
Characteristic MIN MAX
Cutting speed cmq/m 5 140
Material feeding speed Mt./m 30 300
Cutting bridge falling rate (w/o material) Mt./m 3 30
Bars size mm ∅10 (manual) ∅520
Bar weight kg. 1.336 3.528
5.5. LIMITS USING THE SAW
The machine has two limits of use due to :
•operator’s inexperience
•material size and weight
1. The operator’s experience is particularly necessary when the saw runs in manual cycle ;
2. material size and weight must be within the ones above shown.
5.6. WORKABLE MATERIALS
This machine can cut only metallic bars, pipes and tubing. Every other use will is considered inappropriate use of the ma-
chine.
5.7. WORK AREA
This machine has to work in industrial environment. It is design to make mechanical machining under human control, but
the operator presence is not required continuously.
It is recommended to keep clean and free of interference the area close to the machine.
This machine use a mixture of oil and water as coolant liquid. Thus, the working area could be slippery and dirty.
THIS AREA MUST BE MARKED BY AN APPROPRIATE SIGNAL.
5.8. WORK PLACE
The machine has one work place in front of the control panel.
A second temporary work place is aside the vises, the register them, and to change the blade.
Each work place must be easy to reach when necessary, without interference, even temporary. The machine can work
automatically without operator, who must be present during the manual operations of loading and unloading, and control the
control panel operations.

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S.r.l Instruction Manual Pag.12
Edition A
No specific illumination is required, but the work place must be well illuminated to respect the requirements set by present
safety rules.
Only authorized people and maintenance personnel should be allowed to reach the saw work place.
The operator must be equipped with personal protection instruments, like gloves and safety glasses.
5.9. COMMAND MODES, STOP, EMERGENCY STOP AND OUT OF SERVICE.
5.9.1 Command modes
The saw can be controlled in two different ways, turning or pressing a selector switch or a push-button (different ways for
different models). The switch enable a relay which insert the manual mode.
1. Automatic mode ; the switch is on the automatic mode. All automatic commands are enable.
2. Manual mode, the switch is on the manual mode. All the commands are switched to the control panel push-button and
switches.
5.9.1.1. Stop
The saw stops when the cutting cycle is over.
5.9.1.2. Emergency stop
The emergency stop stops the machine removing tension from the control circuit.
5.9.1.3. Out of service
The saw can be turned out of service removing tension from the control circuit, switching off the main disconnect switch
located on the front face of the enclosure. A signal saying “Out of service” must be placed on the machine, and it is op-
erator’s duty to verify that the machine cannot generate danger situations.
5.9.1.4. Safety precautions
The machine cannot generate danger situation when it is completely without electric or hydraulic power.
Concerning the electrical power, the machine must be completely disconnected from electrical sources, turning of the
electrical socket on the building electrical panel. The machine cannot be considered completely safe if the only main dis-
connect switch of the machine is turned off.

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S.r.l Instruction Manual Pag.13
Edition A
6. TECHNICAL DESCRIPTION
6.1. MACHINE STRUCTURE
This saw is manly made by :
1. Base frame
2. Cutting bridge
3. Hydraulic power unit
4. Control Panel
5. Coolant system
Pos. Tab 6.1. Base frame
6.1.1. Base frame
6.1.2. Chip conveyor
6.1.3. Indexing (Only for automatic machines)
6.1.4. Vises (Only for automatic machines)
6.1.1. Base frame
The machine frame is welded and machined. The material used is Fe 37. In the weldment there are two reservoirs, one for
the coolant liquid, and the second for the hydraulic oil.
The frame is machined to avoid corners or abrasive points that could be dangerous. It is painted with two layers of paint, the
first of which prevent corrosion.
It is machined to be assembled with other machine components.
6.1.2. Chip conveyor
It is standard on automatic machines and optional on semi-automatic machines, and it is made by :
•Bended and welded frame with Fe37 steel.
•Hydraulically powered chip screw.
•Protective brackets.
•Chip tank
•Coolant reservoir
The chip conveyor removes chips coming from the band brush and from the cut, taking them outside the machine.
6.1.3. Indexing (Exhibit A03)
Used only for automatic machines, it includes :
•Index frame welded and machined , and made using Fe37 steel.
•Precision ball bearing screw, to move backward and forward the index frame.
•Steel vises to clamp the material, controlled by hydraulic cylinders.
Two limit switches are mounted on the index, the first to set the zero, and the second to control when the index is out of ma-
terial.

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S.r.l Instruction Manual Pag.14
Edition A
6.1.4. Vises (Exhibit A05)
It includes :
•clamping vises made with a gray iron casting G26, machined. Vises are controlled by hydraulic cylinders.
6.2. CUTTING BRIDGE
Pos. Tab 6.2 Cutting bridge
6.2.1 Cutting bridge frame
6.2.2 Guiding columns
6.2.3 Columns connection
6.2.4 Lifting cylinder
6.2.5 Blade tension assembly
6.2.6 Blade drive assembly
6.2.7 Band brush assembly
6.2.8 Left and right band guide
6.2.9 Cutting servo-control
6.2.10 Wheels
6.2.11 Bland drive motor
6.2.1 Cutting bridge frame
The cutting bridge frame is a steel Fe37 weldment ; it is machined to be assembled with other machine components.
The bridge was design and built to endure the cutting strength, keeping enough sturdiness.
The frame is mechanically machined and painted with anti-corrosion agents and with nitro paint.
The blade is completely protected where it does not work. Covering the wheels, there are two doors that can be opened to
change the blade. Two safety switches are mounted on these doors, so to stop the machine if the covers are not in position.
The blade rotates on the wheels, one of which is driven, and the other one is idler.
6.2.2 Guiding columns
The columns guide vertically the cutting bridge movement. They are made with chrome bars, hardened and grinded.
6.2.3 Columns connection
Made using a Fe52 steel square tube, the columns connection connects and makes the guiding columns sturdy. It is fastened
to the columns through two locknuts. The lifting cylinder is fastened to the center of the connection tube.
6.2.4 Lifting cylinder
This is an hydraulic cylinder, with chrome rod and lapped cylinder. The lifting cylinder is a double effect cylinder. The head is
fastened to the columns connection, and the final end of the rod is fastened to the cutting bridge using a locknut.

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S.r.l Instruction Manual Pag.15
Edition A
6.2.5 Blade tension assembly
This assembly has to keep the blade at the right tension when the machine is running. There is a steel slide which support the
idler wheel shaft. An hydraulic cylinder, that works on the slide, keeps the band in tension. A limit switch protects the ma-
chine turning immediately off the machine if the blade brakes.
6.2.6 Band drive assembly
The band is powered by an AC motor which automatically regulates the rotation speed. Using two pulleys and three V-belts,
the motor makes the speed reducer turning. On the other end of the reducer there is the drive wheel, that is fastened to the re-
ducer using a collet locking.
6.2.7 Band brush assembly
A band brush is powered by an hydraulic motor, and it cleans the teeth removing the chips.
6.2.8 Left and right band guides.
The band guides have to :
•straighten the blade coming out the wheel, and keep it vertical helping the blade insertion between the inserts.
•protect the part of the blade that is not cutting.
Left guide arm : Moves horizontally on guides machined on the bridge, and it is moved by the movement of the vise.
Right guide arm : Fixed on the cutting bridge. It supports the cutting servo control.
Both the guide arms have carbide inserts.
6.2.9 Cutting servo-control
The Cutting servo-control automatically controls the saw feed rate. A servovalve has an extension which touches the blade
back, and registers the efforts to cut the piece. The servovalve modifies the feed rate for :
•shape of piece
•material hardness
•blade wear condition
The operator, reading on the knob, is allowed to change the preferred feed rate.
6.2.10 Wheels
Made using cast iron G26, and lathe machined. They are fastened as follow :
•the idler wheel is fastened on the band tension assembly, and it turns on ball bearings ;
•the band drive wheel is fastened using a collect locking on the reducer shaft.
The wheels diameter is larger then the maximum material height that can be cut by the saw..
6.2.11 Band drive motor (Exhibit A07)
The machine mounts a self-cooling AC electric motor. On the shaft there is a three throats pulley, on which there are 3 V-
belts to connect motor and reducer

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S.r.l Instruction Manual Pag.16
Edition A
6.3. HYDRAULIC POWER UNIT
The power unit has a double location inside the machine frame. Underneath the infeed roller table there is the oil reservoir,
and under the outfeed roller table there are all the solenoid valves. The power unit is made by :
Pos. Tab 6.3. Hydraulic power unit
6.3.1 Motor-pump assembly
6.3.2 Oil reservoir
6.3.3 Solenoid valves
6.3.1 Motor-pump assembly
Electrical motor and pump are connected by an elastic coupling.
6.3.2 Oil reservoir
It is in the machine frame, and it has a maximum and a minimum level indicators, and a suction filter. On the left side of the
infeed roller table there is a plug which allows to refill the reservoir. The hydraulic system has 2 filters :
•a 250 micron 45 liters suction filter
•a 60 micron 45 liters outflow filter
These two filters have to be removed when changing the oil for the first time (after 500 working hours), washed using tri-
chloroethylene and dried blowing air.
6.3.3 Solenoid valves
The solenoid valves are mounted on blocks, and the control the hydraulic movements.
6.4. ELECTRICAL SYSTEM
6.4.1 Control console
The control console is on the upper part of the control enclosure, and all the push-buttons and switches are mounted on it.
There is a 5” monitor, which displays the control commands.
6.4.2 Control enclosure
It is made bending metal sheets and it complies the IP55 standards. Inside there is the electrical panel which supports all the
electrical devices (relays, circuit breakers,...) complying the CEI 60204.1 standards.

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S.r.l Instruction Manual Pag.17
Edition A
7. MACHINE PROTECTIONS
This machine is entirely protected where it can be dangerous. Despite of this, there are some parts that cannot be protected,
and where the operator must never work. The biggest of these parts is where the blade touches material.
There is a sticker close to every part which is not completely safe, to show to the operator that he should be extremely con-
scious.
8. HOW TO MOVE THE MACHINE
This machine, when installed and fastened to the ground must be considered a fix equipment.
If it is necessary to move the machine or parts of it (because of maintenance or service), the operator must use a crank or a
fork lift, or a lighter lifter with regards of the weight of the part that have to be lifted.
9. HOW TO INSTALL THE MACHINE
The machine can be installed by :
•the manufacturer/distributor ;
•the customer ;
The machine is shipped completely mounted.
Moving the machine is one of the moment the risk of injuries is higher, thus it is important to make sure that :
•Every operator wears the necessary safety equipment.
•The lifting equipment must be enough big to lift the machine. Always use only one lifting equipment to lift the machine,
never combine more then one.
•Do not use a lift fork if the length and width of the forks are inadequate to lift the machine.
•If using a crank, use metallic ropes and be sure they can support the weight of the machine. Put strong cartoon or wood
between the ropes and the machine. Never leave the ropes slide freely on the machine body.
•Do not use metallic ropes if they show wear areas.
•Lift the machine slowly so to have enough time to adjust the lifting if necessary or to avoid obstacles.
•In the lifting area there should be enough people to move safely the machine, and do not allow anyone else to stay in the
lifting area during such operation.
•Be sure that every moveable part is well fastened to the machine. Remove or secure every part which falling can be dan-
gerous for the people in the work area.
•Move the machine paying attention to the surrounding environment. Be extremely cautious so to avoid hitting anyone or
anything.
•Moving the machine, stay as close as you can to the ground to avoid that a rope brake could generate dangers or serious
machine breaks.
•If necessary, put pieces of wood under the machine base before putting it down.

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S.r.l Instruction Manual Pag.18
Edition A
10. WHAT TO DO TO PREPARE THE MACHINE TO OPERATE
This machine can be installed by:
•the manufacturer;
•a manufacturer representative ;
•the customer.
It is customer duty to get the place ready to install the machine, arranging also the anchor bolts to secure the machine on the
ground.
To installed the machine it is necessary:
•to be sure the place where the machine as to be placed is leveled ;
•prepare the anchor bolts to secure the machine ;
•lift the machine and insert the anchor bolts ;
•Level the machine on the ground working on the leveling screws ;
The machine needs only to be electrically connected.
Before to connect the power :
•check if the operator uses the necessary safety devices ;
•check if the disconnect switch is insulated ;
•check if the control panel is insulated ;
•check if the fuses and circuit breakers are operative ;
•check the 3 phase electric source ;
•if the machine does not work properly, do not try to fix it, but immediately disconnect the power and ask for a mainte-
nance expert ;
•check the correct electrical connection ;
•check if the necessary protection devices work properly;
•check if push buttons and select switch work properly ;
•check the mechanical connections ;
The manufacturer cannot be responsible for injuries and/or damages due to the customer electric source, espe-
cially if it does not meet the present safety requirements. (In Italy DLSG 94/626)
Check if the following motors rotate clockwise :
•hydraulic power unit motor
•coolant pump
•band drive motor
Fill completely the oil and the coolant reservoir.
If not yet mounted, install the blade (make reference to par. 15.4.)
Feed the material and input a cutting program.

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S.r.l Instruction Manual Pag.19
Edition A
11. SAFETY DEVICES
11.1 LIMIT SWITCHES AND SEGNALATION DEVICES
11.1.1. Limit switches
On the machine there are the following limit switches
•Control enclosure open
•Safety interlock switch
•Head down
•Head up
•End of material
•Head rapid approach
•Blade break
11.1.2. speed reducer
Not necessary
11.1.3. Mechanical extra stroke
•Head down
•Index back
11.1.4. Signals
See 12.1.2
11.1.5. Led, indicators and signals to avoid danger situations
Not necessary
11.1.6. Protection devices
The blade is protected, where uncovered, by two guides that reduce the risk, but that cannot completely cover it.
11.2. FIX PROTECTIONS
The moveable parts of the machine are protected by fix covers, which can be removed using tools.
11.3. MOVEABLE PROTECTIONS
The wheels are covered by two removable doors which can be opened to inspect or replace the blade. Two safety interlock
switches automatically stop the machine if the cover is opened while the machine is working.
11.4. SAFETY FEATURES SET-UP
The limit switches are set up at the factory.

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S.r.l Instruction Manual Pag.20
Edition A
12. MACHINE USE, CALIBRATION E TUNE-UP.
Please, read carefully Exhibit A10 to obtain the best results from your saw.
12.1. HOW TO USE THE MACHINE
12.1.1 Starting the machine
•Turn the disconnect switch
•Switch the key-selector to ON
•Press the hydraulic pus button
12.1.2 Adjusting the blade speed
By turning the blade speed knob on the control panel, the operator adjusts the blade speed. A read-out instrument shows the
present speed of the blade.
12.1.3. Feeding the saw
Always respect the safety rules feeding the material. Keep the material guided until it is not completely clamped by the vises.
12.1.4. Manual controls
The saw allows the following manual commands :
•blade speed adjustment
•Band drive Off/On
•Coolant Off-On
•Man./Auto cycle switch
•Auto Stop-Start
•Crop cut (optional)
•Hydraulics
•Index fast
•Rear vise open/close
•Key selector switch
•Head up/down
•Index Back/Fwd
•Index vise open/close
•Emergency stop
•Alarms reset
The diagnostic check panel shows also :
•hydraulic overload
•Coolant overload
•End of material
•End of program
•Blade break
•Blade stall
•VFD problems