Series Individual Automatic Individual 620.460 GANC Operating instructions Before transporting and using the machine, please read the instructions thoroughly! Seriové číslo / Serien Nummer / Serial Number ___________________...
Content SAFETY NOTES ................ 7 1. 1.1. Machine determination ......................................9 1.2. Protective suit and personal safety ................................9 1.3. Safety notes for machine operator ................................10 1.4. Safety notes for the servicing and repairs .............................. 10 ...
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4.3.1. Saw band stretching ..................................52 4.3.2. Saw band inspection ..................................52 4.3.3. Saw band run setting ................................... 53 4.3.4. Adjusting of the limit switch of the saw band stretching ..................53 ...
The operating instructions must be read by the person, who keeps in touch with the machine before transportation, installation, using, servicing, reparation, stocking or removal! The operating instructions include relevant information. The operator must familiarise himself with the install and operation, safety notes and machine servicing, because reliability and service life must be reached.
1.3. Safety notes for machine operator Attention! Machine can be operated by person older than 18 years! Machine can be operated only person physically and mentally fit for this activity Machine can be operated only by one person. Machine operator is responsible for presence of other persons by the machine.
Do not remove or do not lock the limit switches or safety equipments! Any use of the saw, accessories or machine parts other than that intended by the BOMAR, spol. s r.o. company is not permitted. The guarantee on this product will be afterward lost and BOMAR, spol.
Two limit switches on saw arm control if cowers are open or not. 1.5.3. Saw band stretching and rupture inspection This device checks the saw band stretching and causes immediate machine shut – down in the event the band ruptures. The device contains limit switch.
For swallowing, drink a lot of water and induce vomiting. Look for medical help. 1.6.2. Safety information for the chip remover The chip remover is auxiliary equipment, following information applies only for equipment with this conveyor. Attention! It is forbidden to enter the swarf conveyor area if the saw is in operation. All maintenance and other works on the swarf conveyor could be done only on equipment which has been switched off.
2.1. Technická data / Technische Daten / Technical data Hmotnost stroje / Maschinengewicht / Machine weight: • 2200 kg Hmotnost / Gewicht / Weight Rozměry stroje / Maschinengröße / Machine size : • Délka / Länge / Lenght 3350 mm •...
2.4. Transportation and stocking 2.4.1. Conditions for transportation and stocking Keep recommendations for the manufacturers for transportation and stocking! If the recommendations are not kept, damage can occur to the machine. • Don’t use a forklift truck for handling the machine, if you do not have license for it! •...
2.5. Activation 2.5.1. Machine working conditions Attention! If the ambient temperature drops below 15 ˚ C is required before operating the machine to have switch on hydraulic unit around 10 minutes and then made several motion few times (for example, in manual mode) by all hydraulic cylinders. The reason is to heat hydraulic oil to the operating temperature for proper function of the pressure switches (and choke).
2.7. Electrical connection Attention! Only a qualified professional must carry out the servicing and repairs of the electric equipment! Take special care during work with electrical equipment. High voltage shock can have fatal consequences! Always keep notes about work safety. Electrical parameters of the machine: •...
Proper electrical connection controls security element in machine switchboard. If the machine is NOT correctly connected to the electricity network,the red indicator light. If the machine is connected correctly, the green indicator light 2.8. Filling of the cooling system Prepare the mixture of the water and the cooling liquid. Keep the concentration specified by manufacturer.
Variable tooth pitch lowers vibration of the saw band, increases service life of the saw band and quality of the cutting area. BOMAR for recommended Variable tooth system for band saw. In tables, there are advised type of the tooth system depending on sizes and form of the cutting material.
2.10.4. Tables for teeth selection SHAPED MATERIAL (D , S = mm) Note: Table shows tooth system selection for cutting one piece of the profile. For cutting of more pieces of the profiles (bundle), you must think of the size of the wall as double size of the wall of one profile (that means, size „S“ equates to 2×S). In table, there are tooth systems constant and variable. Tooth system (Z Size of the Outer diameter of the profile D...
3.1. Saw band start Turn the main switch of the saw into position 1 – ON. The main switch in on side of the control panel (right side from the point of view of operator standing behind the panel),. After start of the control system the initial window appears on LCD. The operator may select: Select machine operation with key switch, see next point Make changes in the cutting modes, see chapter Machine control...
3.1.1. Machine referring Machine referring is necessary for correct operation of the saw in automatic mode. Situation of referring of the machine part Button for starting machine ELGO numer refering check ELGO – linear sensor on the feeder chek; does not measure any particular value, just checking the sensor operation.
Regulation of pressure into cut Regulation valve sets pressure into cut. Regulation valve Regulation valve sets the lowering speed of the frame into the cut. The speed is limited by the adjustment of the pressure regulation in the cut on the guiding cubes. Note: If the throttle valve is closed too tightly, the valve seat may be damaged and may start to leak.
Pos. Function Main vice opening time – vice opening time. The vice opens only for this period of time, does not opens fully to save the time. Feeding vice opening time – Guarding time of the hydraulics to open the feeding vice.
Pos. Function Selection of the units for speed in control system • m.min • ft.min Selection of electromotor pooling time after cut – Drive of saw blade will run for a fixed period and will be cooled Language selection – displays menu for selection of control software language. 3.3.3.
3.4. Machine operation – one cut automatic mode Poloautomatic cycle = automatic mode for one cut To enter the one cut automatic mode: Turn the key switch into position 2 – Working mode Select One cut automatic mode on LCD Enter the parameters for One cut automatic mode in the following menu.
Option Description Use the chip remover during cutting – YES/NO. 3.4.1. Cutting procedure in One cut automatic mode Cutting progress in “One cut automatic mode”: Prepare the cutting material, load it to the saw and clamp into vice Set the One cut automatic mode, see previous text – Preparation before cutting. Press START button to start.
3.5. Machine control – automatic cycle 3.5.1. Cutting programs The cutting programs are important part of the automatic cycle. It is possible to define up to 20 programs. It is always started from program no. 1. All sequence of the programs is performed, until the first program without any parameters set (both values are zero).
Button Description To move any program to different position in the list. To enter the program to a new place in the list. To edit the values of the program. To remove any program (reset the values). The active field in the program list is displayed in red. Two values are set for each program: •...
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Button Description Switch off the saw band drive after cut – Switch off the band / do not switch off the band. Switch off the cooling pump after cut – Switch off the pump / do not switch off the pump. Cooling method during cutting: •...
Adjust position to the upper limit switch by buttons on the control panel in position 7. Procedure for One cut automatic cutting: Prepare the cut material Set the automatic cycle, see Preparation before start of the automatic cut After START button is pressed, the software asks if the material in the first cut should be cut.
Continue in automatic cycle » The process interrupted in this way can be continued – if the operator returns to the Automatic mode, the following menu is displayed. Press the function button Continue to continue with the automatic cycle from the position of interruption. Select item Stop to finish the automatic process;...
Error message Description Total Stop • TOTAL-STOP has been pressed. 3.7. Band saw adjustment The machine is able to perform the special adjustment code, which allows the operator to test and set the main peripherals of the machine. Further setting of the band saw, like setting of the cutting angle and others, is performed in the machine itself without the control software.
3.7.1. Vice adjustment This menu allows testing both vices of the saw Individual 620.460 GANC. Pressure sen- sor for material detection. Green if Valve position material clamped. Red when vice Pressure sen- is opening sor for vice clamping. Green if vice clamped.
Feeder speed Feeder referenced – Feeder current YES /NO pos. Feeder Feeder decceleration acceleration Feeder movement Feeder indication movement indic. Function keys for feeder movement: Button Description Normal speed feeder movement. Higher speed feeder movement 3.7.4. Drive adjustment The last item of the Machine adjustment menu allows to test individual drives. The drives are as follows: •...
Release the fastening lever. Swivel the frame to the desired angle by pulling the saw arm. Angle is shown on scale After cutting angle setup tighten securing lever. Electronic measuring and display of the cutting angle is optional accessory and is not standard part of the machine. Attention! Moving parts of the vice must be moved when saw arm has zero angle of rotation and closed vice jaws.
Setting of frame bottom stop position is made by adjustable excenter on the frame beam. 3.7.8. Setting of optimum distance of the guiding cubes In order to maintain stable cut and sufficient precision, it is necessary to place the left guiding cube as close to the cut material as possible.
If you cut long pieces of the material (for example rod, tube), you must use the roller conveyors for material shifting to the band saw. Contact Bomar for more information about roller conveyors Make sure the conveyor is long enough and the material cannot tip off the conveyor.
4.1. Saw band dismantling Lift the saw arm to maximum position. STOP hydraulic. Open all three covers on the saw arm. Dismantle left protective cover of the band (arrow). Cover is fastened by screws.. Release the screw holding the brush. Turn the brush to the side Turn by stretching star to the left side, release saw band stretching and pull down the saw band from the wheels.
Put the saw band on both guide wheels. Make sure that the saw band ridge fits tightly to the wheel rim. Then push the saw band as far back as possible. Stretch the saw band by means of the screw, that the band did not falls from wheels.
4.3.3. Saw band run setting Saw band run is set with screw (arrow) in the stretching cube on the saw arm. Right distance rear part of the saw band from wheel rim is 1 – 3 mm. • Turn with the screw to the right, the saw band is closer to the stretching wheel rim.
4.4. Cooling agents and chips disposal The quality of the cooling If the solution is too weak: If the solution is too strong: agent will deteriorate due to: • • • use of contaminated water corrosion protection is the cooling ability is decreased diminished •...
Use oils with specification DIN 51517 in the gearboxes. Select the viscosity grade ISO VG according to the original oil fill. Attention: When replacing, use oils recommended by BOMAR or oils, which has comparable parameters from the other manufacturers. Do not forget, that mineral and synthetic oils must not be...
Manufacturer Type of the lubricant grease Texaco Multifak EP1 4.5.3. Lubrication There are several placing on the machine, which are necessary to grease periodically. It secures the right function of the machine. Lubrication place Lubrication The guiding cubes leading – grease with oil from both sides once a week.
Hydraulic oils quantity – see chapter Hydraulic oil level check. Note: When replacing, use oils recommended by BOMAR or oils, which has comparable parameters from the other manufacturers. Do not forget, that mineral and synthetic oils may not be mixed!
4.7. Worn pieces replacement 4.7.1. Pushing bearing replacement If it is impossible to adjust the bundle gripping assembly and the pushing bearing is worn, it needs to be replaced. The bearing condition is possible discover, on the cube from the bottom side, for a better inspection is possible to put out the holder of the bearing from the cube.
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Release all 3 screws (see arrow). Release center M10 screw after remove retaining ring. Remove hardmetal holder and bearing from bottom Attention: The vice has aluminium jaws, eventually, there has to be an aluminium agent to protect the pivot from damage. Insert the pivot to the vice.
Fasten the holder to the vice. Attention: The vice has aluminium jaws, eventually, there has to be an aluminium agent to protect the pivot from damage. 10. Insert the bearing and washers and return the pivot to its original place. 11.
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Change all bearings and other worn parts. Install eccentrics to the cubes. Install components on both eccentrics in given order. Put bearings by means of the preparation on eccentrics. Attention: Do not replace the eccentrics placing in the cube. Screw on nuts on both eccentrics and tighten them. Insert the saw band to the guiding cube (cca 15 –...
4.7.3. Hard metal guides replacement If the hard metal guides cannot be adjusted, they have to be replaced. Attention: Hard metal guides must be replaced together on both guiding cubes! Disconnect the hose from the cooling agent. Release 2 screws. Remove fix hardmetal guidepost.
From both hardmetal guides screw out worn hardmetals and change them with new ones. Both hardmetals guides incl. press springs mount back. With 3 screws and aux. saw band setup optimal play between guides. 4.7.4. Brush replacement If the chip removing brush is not able to fulfil its function, it has to be replaced. Hold shaft of the brush by wrench.
5.1. Mechanical problems Problem Possible causes Repair Wrongly adjusted hard metal guides. Set according to the chapter „Servicing and adjustment“ Worn hard metal guides. Replace to the chapter „Worn pieces replacement“ Wrongly adjusted cubes of the saw Set according to the chapter „Servicing and band guiding.
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Problem Possible causes Repair Worn saw band guide bearings. Check guiding bearings and if you notice some sort of excessive damage, replace them according to chapter„Worn pieces replacement“ Wrongly adjusted guiding cubes of the Set guiding cube according to chapter „Servicing saw band.
Problem Possible causes Repair The brush position and the brush cover The brush cover must be posed, in order to the is adjusted wrong – with the brush brush can be turned. cannot be turned. Backslash in driving wheel lodgement Change the driving shaft for a long one, new 12.
Výkresy sestav pro objednání náhradních dílů / Zeichnungen für Bestellung der Ersatzteile / Drawing assemblies for spare parts order • Při objednávání náhradních dílů vždy uvádějte: typ stroje (např. practix Individual 620.460 GANC) , výrobní číslo (např. 125) a rok výroby (např. 1999). •...