Series Practix Practix 285.230 G Manual/Pulldown Operating instructions Before transporting and using the machine, please read the instructions thoroughly! Seriové číslo / Serien Nummer / Serial Number ___________________...
1.1. Band saw using The band saw Practix 285.230 G Manual or Practix 285.230 G Pulldown is used for cutting and shortening of rolled bars and drawn bars and profiles from steels, stainless steels, non-ferrous metals and plastics with cutting angles from 0° to 60°.
Attention! Machine can be operated by person older than 18 years! Machine can be operated only person physically and mentally fit for this activity. 1.3. Safety notes for machine operator Machine can be operated only by one person. Machine operator is responsible for presence of other persons by the machine.
BOMAR, spol. s r.o. company is not permitted. The guarantee on this product will be afterward lost and BOMAR, spol. s r.o. takes no responsibility for caused damages! 1.5.
1.6. Safety notes for cooling system Attention! Keep notes about work safety for handling cooling liquid! When handling cooling agents always wear hazardous fluid- proof gloves! Wear protective goggles! Cooling liquid can get in contact with your eyes and may cause permanent severe injuries. 1.6.1.
Hmotnost stroje / Maschinengewicht / Machine weight: • Manual 215 kg / Pulldown 225 kg Hmotnost / Gewicht / Weight Rozměry stroje / Maschinengröße / Machine size – Practix 285.230 G Manual: • Délka / Länge / Lenght 1410 mm •...
2.6. Transportation and stocking 2.6.1. 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. • Do not use a forklift truck for handling the machine, if you do not have license for •...
2.10. Activation 2.10.1. Machine working conditions Keep the conditions of the manufacturer for machine operating! If recommendations are not kept, damage can occur to the machine. The manufacturer warrants the correct function of the machine for these conditions: • At temperature air from 5°C to 40°C, the temperature average during 24 hours must not exceed over 35°C.
Electrical parameters of the machine: • Service voltage: ~ 3×400 V, 50 Hz, TN-C-S • Total input / Max. fuse: 1,1 kW / 16 A Before connecting switch off the main switch of the power supply circuit for the machine and ensure dry place when doing connecting works! Service voltage must agree with the line voltage! Crosscut of the supply line must respond with rated current for max.
Constant tooth system – the saw band has parallel tooth pitch all over length. This way is suitable for cutting of solid material. BOMAR recommends use variable tooth systém. Variable tooth system – tooth pitch is variable. Variable tooth system is used for profiled materials and bundle cutting.
2.16.3. Saw band running-in To ensure a full service life of the saw bands, we strongly recommend that you carry out the „RUN-IN“ process. Running in: Cut the material with the frame lowering reduced to 50% only. When vibrations occur increase or decrease the band speed. When cutting small pieces run the band until approximately 300 cm2 of material has been cut.
2.16.4. 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“...
3.1. Control elements for Practix 285.230 G Manual Control elements Description TOTAL STOP button In emergency causes the machine must be immediately switched off. Attention! By pressing Total Stop button does not stop sinking of the saw arm! Switch of the cutting speed Choice of the cutting speed during cutting (35 or 72 m.
Choose desired cutting speed by turning the switch on the motor. Check the right and tight fixation of material once again. 7. For Practix 285.230 G manual 7. For Practix 285.230 G pulldown • Security circuit must be turn ON by button on pos.
Note: When band drive starts, the coolant pump starts automatically as well. After switching off the band drive, the coolant pump stops as well. 3.3.2. Interruption in cutting with Emergency button TOTAL STOP Picture What to do • In emergency causes press button Total Stop •...
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.
3.4.3. Bundle material cutting If you want to cut the material in the bundle, there are suggestions for the positioning of bundles Round material bundle:. Take care especially with round material that the bars are put according to the picture. If the bars are put differently, you may have problems with movement.
4.1. Saw band dismantling Unplug the machine from the power supply. It guarantees that the machine does not accidentally start running. Open the protective cover on the rear side of the saw frame. Release the saw band tension using the handle so that the saw band can be taken out easily. Remove the saw band from rotation wheels.
Install the Tenzomat on the saw band and secure it with screws. Stretch the saw band until it is stretched to the recommended value. 4.3.2. Saw band inspection Check the saw band in the guiding cubes and on the wheels Check, if the saw band is right in the guiding cubes..
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...
5.1. Mechanical problems Problem Possible causes Repair Slanting cut Wrongly adjusted hard metal guides. Set according to the chapter „Machine service“ Worn hard metal guides. Replace to the chapter „Worn pieces replacement“ Wrongly adjusted cubes of the saw Set according to the chapter „Machine service“ 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 „Machine 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. 12. The saw arm Backslash in driving wheel lodgement Change the driving shaft for a long one, new on the shaft.
285.230 G manual), Serien Nr. (z. B. 125) und Baujahr (z. B. 1999). • For spare parts order, you must always to allege: type of machine (for example practix 285.230 G manual), serial number (for example 125, see cover page) and year of construction (for example 1999).
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Záruka se vztahuje: • na stroj zakoupený u firmy Bomar, spol. s r.o. nebo u jejího autorizovaného prodejce. • na poškození z důvodu vady materiálu, konstrukce anebo montáže. •...
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