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Safety rules Make sure your work area is cleared of uninvited people and obstacles every time before you start operating the machine. Never step or stand on the roller table. Your foot may slip or trip on the rollers and you will fall.
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Safety rules Never adjust the wire brush or remove chips while the saw blade is still running. It is extremely dangerous if hands or clothing are caught by the running blade. Stop the saw blade before you clean the machine. It is dangerous if hands or clothing are caught by the running blade.
Safety is a combination of a well-designed machine, operator’s knowledge about the machine and alertness at all times. COSEN’s band machine has incorporated many safety measures during the design process and used protective devices to prevent personal injuries and potential risks. Warning labels also serve as a reminder to the operator.
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This manual has important safety Wear proper apparel during operation information. Read through it carefully and when servicing the machine. Some before operating this machine to personal protective equipment is prevent personal injury or machine required for the safe use of the machine, damage.
Safety Related Switches To protect the operator, the following safety related switches on the machine are actuated when the machine is in operation. Wheel motion detector This is a proximity sensor used to detect the motion of the drive wheel. Once the saw blade is broken or as soon as it starts slipping, the sensor will detect and stop the drive wheel and the machine.
SAFETY LABELS Please read through and understand these safety labels before operating the machine. Refer to Illustration: Safety Labels. Label Meaning Label Meaning Impact Hazard Read Operator’s Manual WEAR SAFETY SHOES. Do This manual has important safety not approach dropping area information.
Section 7. CE COMPLIANCE Cosen’s CE model is designed to satisfy regulations of the Council Directive on the approximation of the laws of the Member States relating to machinery (2006/42/EC) - Annex I Essential health and safety requirements relating to the design and construction of machinery.
Section 2 GENERAL INFORMATION SPECIFICATION MACHINE PARTS IDENTIFICATION FLOOR PLAN This band saw machine is designed by Cosen’s R&D engineers to provide you the following features and advantages: Safety This machine is designed to fully protect the operator from its moving parts during cutting operation. The machine and each compoment has passed strict testing (Council Directive on the approximation of the laws of the Member States relating to Machinery). The machine will shut off automatically when the saw blade is broken, protecting both the operator and the machine. Convenience & High‐Performance The machine is designed in the way that the operation and adjustment can be easily performed. The machine will stop automatically when out of stock. Dual valve system is designed to achieve optimal cutting performance with the simple setting of feed rate and perspective cutting pressure for different material. Durability The intended life‐span of the machine is counted based on regular daily operation. It is calculated with the life expectancy of 10 years under normal operating condition and exact attention to the maintenance schedule. 8 hours × 5 days × 52 weeks × 10 years = 20,800 hours 2‐1 ...
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SPECIFICATION Model V2230NC Machine Type Vertical Semi-Automatic Hydraulic Dual Miter Cutting Bandsaw Miter Degree 60° left ~ 60° right 0° Blade Cant 5° Blade Cant (Horizontal x Vertical) (Horizontal x Vertical) 90° 560 x 765 mm (22” x 30”) 510 x 705 mm (20” x 27.5”) 45°...
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MACHINE PARTS IDENTIFICATION Idle Wheel Saw Bow Work Light Saw Blade Oil Tank Control Panel Vise Hydraulic Cylinder Electrical Compartment 2‐3...
Section 3 MOVING & INSTALLATION LOCATION & ENVIRONMENT UNPACKING & INSPECTING LIFTING REMOVING SHIPPING BRACKET CLEANING INSTALLING RELOCATING LOCATION & ENVIRONMENT For your safety, please read all information regarding installation before proceeding. Install your machine in a place satisfying all of the following conditions: Space: Leave enough free space around the machine for loading work and unloading cut‐off pieces as well as for maintenance and inspection. Refer to Section 2 Specification for machine dimensions and floor space. Environment: Well lighted (500 lumen at minimum). Floor kept dry at all times in order to prevent operators from slipping. Away from direct exposure to the sunlight Room temperature between 5˚C to 40˚C. Humidity level kept at 30 ~95%“(without condensation) to avoid dew on electric installation and machine. Away from vibration of other machines Away from powders or dusts emitted from other machines ...
UNPACKING & INSPECTING Unpack your machine carefully to avoid damage to machine parts or surfaces. Upon arrival of your new band saw, please confirm that your machine is the correct model and it comes in the same specification you ordered by checking the model plate on the machine base. It is also imperative that a thorough inspection be undertaken to check for any damage that could have occurred during shipping. Pay special attention to machine surface, equipments furnished and the electrical and hydraulic systems for damaged cords, hoses and fluid leaks. In the event of damage caused during shipping, please contact your dealer and consult about filing a damage claim with the carrier. Your machine comes in with a set of tools for you to maintain the machine. The accessories furnished are as follows: 1. Tool box 1 pc 2. Grease gun 1 pc 3. Screwdriver (+, ‐) 2 pcs 4. Open‐ended spanner ...
LIFTING When moving the machine, we strongly suggest you choose any one of the methods described below to move your machine. 1. Use a crane Move the machine to its location by using a crane and a wire rope sling that can fully withstand the weight of the machine (refer to machine specification under Section 2 Specification). Machine lifting is likely to damage the machine if not performed properly. You must have a qualified crane operator to perform the job. You must use tools and equipment with the proper tensile strength and use proper method when moving your machine. Apply the wire rope sling to the lifting hooks on the four ends of the machine. Refer to Illustration: Lifting Points for exact locations. Slowly lift the machine. Be sure to protect the machine from impact or shock during this procedure. Also watch out your own fingers and feet to avoid injuries. Keep the machine well balanced during lifting process and make sure the wire rope does not interfere with the saw frame. When you work together with more than two ...
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2. Use a forklift Most users choose this method to move their machine because it is easy to set up. Make sure that the lifting rod can fully withstand the weight of the machine. (Refer to Section 2 – General Information for Specifications) Machine lifting is likely to damage the machine if not performed properly. You must have a qualified forklift operator to perform the job. You must apply proper forklift technique to avoid damage to the machine. Make sure the forks are able to reach in at least 2/3 of the machine depth. You must keep the machine balanced at all times. Make sure the forks are centered before use. (Illustration only. Please follow user guide of your forklift.) 3. Use rolling cylinders You can use rolling cylinders to move your machine in a small machine shop environment. You must use rolling cylinders made in material of proper compressive strength. ...
Retain this bracket so that it can be used again in the event that your machine must be relocated. CLEANING After the machine has been placed at the designated position, remove the rust‐preventive grease with wiping cloth dampened with cleaning oil or kerosene. Apply machine oil to machine surfaces that are prone to rust. Do not remove the rust‐preventive grease with a metal scraper and do not wipe the painted surfaces with solvent as doing so would damage surface paint. INSTALLING Cosen’s bandsaw machine is relatively easy to install. Follow these six easy steps to install your machine. Connect Supply Supply Leveling & electric hydraulic oil cutting fluid anchoring power ...
starting the machine. If the coolant pump is started without enough coolant supply in the tank, the pump and its drive motor may be damaged. Refer to specification chart under Section 2 Specification for tank capacity. Consult your coolant supplier for bandsaw use regarding coolant type and mix ratio. Connecting electric power Have a qualified electrician make the electrical connections. If the power supply voltage is different from the transformer and motor connection voltage shown on the label attached to the electrical compartment of the machine, contact COSEN or your agent immediately. Connect to power supply independently and directly. Avoid using the same power supply with electric spark machines such as electric welder. Unstable electric tension may affect your machine’s electric installation from working properly. Ground the machine with an independent grounding conductor. Supply voltage: 90 ‐ 110 of nominal supply voltage. Source frequency: 99 ‐ 101 of nominal frequency. Refer to the specification chart under Section 2 for total electric power consumption of the motors and make sure your shop circuit breaker is capable of this consumption amount. Also use a power supply cable of proper size to suit the power supply voltage. 3‐7...
Turn off the shop circuit breaker. Make sure the machine circuit breaker switch on the electrical compartment door is turned to OFF. Remove the screw securing the electrical compartment and then open the door. Pull the power supply cable and grounding conductor through the power supply inlet into the electrical compartment. (Shown right) Connect the power supply cable to the circuit breaker (N.F.B.) to the R, S and T terminals, and connect the ground cable to the E terminal. Close the compartment door and fasten the screw back. Turn on the shop circuit breaker and then turn the machine circuit breaker switch to ON. The Power Indicator on the control panel will come on. Power Supply Inlet Pull to unlock the Emergency Stop button and press the hydraulic ON button to start the hydraulic motor. Make sure the sawing area is clear of any objects. Start the blade and check the blade rotation. If the electrical connections are made correctly, the blade should run in a counterclockwise direction. If not, shut the hydraulics off, turn off the machine as well as the shop circuit breaker. Then swap the power the power cable conductors connected to R and T terminals. 10. Repeat step 6 to 9 to ensure the electrical connections are in the right order. Leveling Place spirit level on the vise slide plates and the work feed table. ...
Anchoring the machine Normally there is no need to anchor the machine. If the machine is likely to vibrate, fix the machine to the floor with anchor bolts. Shock absorption steel plates are provided and can be placed under each leveling bolt to prevent their sinking into the concrete floor. Installing Fire Control Device Install a fire extinguisher or any other fire control device in the shop in case a fire breaks out. RELOCATING We recommend you follow these procedures when relocating or shipping your machine to other place: 1. Descend the saw frame to its lowest position then turn off the power. 2. Fix the saw frame using the shipping bracket that originally came with the machine. 3. If you are shipping the machine, pack the machine carefully with industrial plastic wraps to protect it from dust. 4. Use a crane or forklift to raise it. If a crane is used to lift the machine, ensure that the lifting cable is properly attached to the machine. 5. Do not forget to include the equipments originally furnished including the shock absorption steel plates and the instruction manual. ...
SAFETY PRECAUTIONS For your safety, please read and understand the instruction manual before you operate the machine. The operator should always follow these safety guidelines: The machine should only be used for its designated purpose. Do not wear gloves, neckties, jewelry or loose clothing/hair while operating the machine. For eye protection, always wear protective safety glasses. Check the blade tension and adjust blade guides before starting the machine. Use auxiliary clamping or supporting devices to fix material in place before cutting long workpieces. Always make sure the material is clamped firmly in place before starting to cut. Do not remove jammed or cut‐off pieces until the blade has come to a full stop. Keep fingers away from the path of the blade. Protection devices should be in place at all times. For your own safety, never remove these devices. Disconnect machine from the power source before making repairs or adjustments. Wear protection gloves only when changing the blade. Do not operate the machine while under the influence of drugs, alcohol or medication. Do not take your eyes off the machine while in operation. Do place warning signs to mark out machine work zone and restrict entry to be staff‐only. 4‐2 ...
BEFORE OPERATING Choosing an appropriate saw blade and using the right cutting method is essential to your cutting efficiency and safety. Select a suitable saw blade and cutting method based on your work material and job requirements e.g. cutting accuracy, cutting speed, economic concern, and safety control. Wet cutting If you choose dry cutting or low‐speed cutting, the chips may accumulate in machine parts and may cause operation failure or insulation malfunction. We suggest you choose wet cutting to avoid machine damage. Cutting unknown materials Before cutting an unknown material, consult the material supplier, burn a small amount of chips from the material in a safe place, or follow any other procedure to check if the material is flammable. Never take your eyes off the machine while in operation. Cutting fluid For cooling and lubrication purpose, we recommend you use water‐soluble cutting fluids. The following table lists out its pros and cons for your reference. Pro Con Have a high cooling effect Remove machine paint Not flammable Lose its rust protection effect if Economical deteriorated Does not require cleaning of the cut Tend to create foam Subject to decay products ...
CONTROL PANEL The control panel is located on the top of the electrical box. It includes the following function: power system, hydraulic system, cooling system, the human‐machine–interface (HMI) and the projecting light system. The operator must fully understand the function of each switch and button before operating the machine. 2 4 6 8 10 11 1 3 5 7 9 No. Name No. Name 1 Emergency stop button 7 Guide arm down button 2 Power indicator lamp 8 Guide arm up button 3 Saw bow forward button 9 Blade speed control knob 4 Saw bow backward button 10 Saw bow angle control knob 5 ...
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When this button is pressed with the running blade, saw bow moves forward slowly. When this button is pressed with the stopped blade, saw bow moves fast forward until the operator releases the button. 4. Saw bow backward button When the button is pressed, saw bow moves backward until the operator releases the button or until the saw bow reaches the rear limit position. 5. Right vise clamp/release knob Turn the knob to the left for clamping the material. Turn the knob to the right for releasing the material. Cutting can be started with either left vise or right vise clamping, but for better performance, use both left and right vises to clamp the material. 6. Left vise clamp/release knob Turn the knob to the left for clamping the material. Turn the knob to the right for releasing the material. ...
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10. Saw bow angle control knob When the knob is turned to the left, saw bow inclines to the left. When saw bow reaches 150° and touches the left limit switch, saw bow left limit switch red light on HMI touch screen is triggered and saw bow stops. When the knob is turned to the right, saw bow inclines to the right. When saw bow reaches 30° and touches the right limit switch, saw bow right limit switch red light on HMI touch screen is triggered and saw bow stops. Return‐to‐zero point of angle encoder is installed at 150°. Angle can be adjusted in HMI (angle margin of error: 0.2°). Refer to below figure for the definition of angle. 4‐6 ...
This control knob only works when the saw bow is at rear limit position. 11. HMI touch screen Please refer to later section for detailed introduction. Cutting pressure, vise pressure, and feeding speed control panel The part of control panel is where cutting pressure, vise pressure and saw bow feeding speed can be adjusted. 4‐7 ...
1. Cutting pressure control knob This pressure control knob is used to adjust the cutting pressure of the blade. Turning the knob clockwise increases the cutting pressure. 2. Vise pressure control knob This pressure control knob is used to adjust the vise pressure. Turning the knob clockwise increases the vise pressure. Adjust vise pressure according to different material, i.e. pipe, steel bar, H beam. When cutting pipes or soft materials, reduce vise pressure to prevent exerted pressure from damaging the workpiece shape or exterior. Vise preesure should not be adjusted during cutting. Vise pressure cannot be lower than 8 kg/cm . 3. Saw bow feeding speed control knob This control knob is used to adjust the feeding speed of the saw bow. Turning the knob counterclockwise increases the saw bow feeding speed. Saw bow feeding speed is a determining factor to a good cutting time and quality cutoff surface. Set the saw bow feeding speed in accordance with the cutting pressure control knob. Also commonly known as the flow control valve Human‐machine‐interface (HMI) touch screen This HMI touch screen displays operation messages so that the operator is able to understand the system condition. It also provides different operating modes and selections for the operator to work with. During a cutting job, the operator can still enter the system and make changes to the cutting operation as needed. ...
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Item Range Ambient temperature 5℃ ~ 50℃ Temperature for safe ‐10℃ ~ 60℃ operation Ambient humidity 30%~85% RH (No condensation) Connection RS422 MMI port Environment No condensation and rust Startup Screen After the power is turned on, Cosen’s logo will appear as the startup screen, followed by the main operation menu.. Main control menu The main control menu includes some operating button that were used on the control panel of the earlier machines. Some convenient functions are added to the page for the operator to better understand the features of the machine. Setting the parameters shown on the screen requires a gentle touch of the finger. You can also look up the parameters or make changes while in the middle of a cut. 4‐9 ...
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Refer to the table below for descriptions of each function. No Item Function Description When the power is turned on, press this button to Hydraulic start 1 start the hydraulic motor. A solid yellow icon indicates the hydraulic system has been turned on. Hydraulic stop Press this button to turn off the hydraulic motor 2 immediately. When the blade is running, the hydraulic stop button is temporarily disabled. You need to press the saw blade stop or the saw bow backward button to stop the blade first. Saw blade start When the work piece is clamped properly, press this 3 button to start cutting. A solid yellow blade icon indicates the blade has been started. When the blade is running, all the buttons are temporarily disabled except the emergency stop button, saw bow backward button, blade speed control knob, and saw bow feeding speed control knob. When cutting is finished, all the control buttons resume function. 4‐10 ...
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No Item Function Description Saw blade stop Press this icon to stop the saw blade. 4 Work light ON/OFF Press this button to turn on the work light. 5 A solid yellow light bulb icon indicates the lamp has been turned on. Press again to turn the light off. Press this button to turn on the coolant pump. Coolant ON/OFF 6 A solid yellow faucet icon indicates the coolant pump has been turned on. Press again to turn off the coolant pump. Last cut function 7 When the mode is selected, the blade will ON/OFF automatically stop and the hydraulic system will shut down (in 10 seconds) after the current cut is finished. Press this button to lock/unlock left vise. Left vise lock/unlock 8 Lock the left vise and vise clamping light must be on, otherwise blade will not start cutting. Press this button to lock/unlock right vise Right vise lock/unlock 9 ...
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No Item Function Description PLC monitor Shows current PLC signals. 13 Material cutting This 2‐page reference chart lists out the required 14 blade speed and cutting rate for each different reference material. Lists a historical report of the errors and the time of Error report 15 occurrence as well as provides troubleshooting support. 6 pages in total. After the cut is finished, blade will stop running and Saw bow rear limit 16 saw bow will move backward automatically until it switch display touches the rear limit switch and the RED light will come on. Saw bow left limit When saw bow touches left limit switch and red right 17 is on, it means saw bow inclines left max. 150°. switch display When saw bow touches right limit switch and red Saw bow right limit 18 ...
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No Item Function Description Blade speed display Displays current blade speed. 22 Miter angle display Displays the current angle the saw bow is swiveled 23 at. Displays error messages in the order of occurrences; Error display 24 press the message to clear the messages. (yellow highlight) Error messages must be cleared for the machine to continue to operate normally. Cutting status display & setup When cutting is in operation, press to enter cutting status display and setup page. Cutting status display & setup This page comes in two versions depending on if the optional mist coolant spray device is installed on the machine. The shared features are as follows: Blade speed Angle: mitering angle HOME(Return‐to‐zero point) – After machine is restarted, this icon will turn grey. When this icon is pressed, saw bow will swivel to return‐to‐zero point, left 150°, and back to 90° and the icon will turn yellow. Thus, blade can be started. This button must be yellow to start the blade. ...
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coolant or spray SET UP SPRAY: press this button to turn on/off the spray. When both this button and the coolant ON/OFF button on main control menu are turned on, spray device can be started manually. PLC Monitor Shows all signals of the PLC system. Press Home to return to the main control menu. Material cutting reference This 2‐page reference chart lists out the required blade speed and cutting rate for each different material. Press Home to return to the main control menu. Press Next to go to the next page. 4‐14 ...
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Error report Page 1 – error report Lists a historical report of the errors and the time of occurrence. Press Home to return to the main control menu. Press Next to go to the troubleshooting support page. Page 2 – troubleshooting Provides suggestions on troubleshooting. 6 pages in total. Also refer to the Table 4‐1 for error codes, descriptions and solutions. Press Home to return to the main control menu. Press Next to go to the troubleshooting support page. Error Error Description Solution Code M300 Front vises not clamping Check if the queen valve works M301 Rear vises not clamping Check if the queen valve works M303 Lower limit switch error Check if the lower limit switch works M304 Hydraulic motor not starting Check if the hydraulic motor works ...
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Error Error Description Solution Code M309 Right safety door abnormal 1. Check if the right safety door is hut properly 2. Check if the right safety door limit switch works M312 Quick approach bar abnormal Check if the quick approach limit switch works M313 Blade motor overload Check if the blade motor overload relay has tripped M314 Hydraulic motor overload Check if the hydraulic motor overload relay has tripped M315 Coolant pump overload Check if the coolant pump motor overload relay has tripped M316 Saw bow upper limit abnormal Check the upper limit switch works M352 Front vise clamping error 1. Place new material 2. Check if the vise queen valve works 3. Check if the “no material parameter” is too low M357 Saw bow descending error 1. Check if the descend solenoid valve is stuck 2. Check the quick approach bar works 3. Check if the quick approach bar limit switch works M358 Saw bow ascending error 1. Check if the ascend solenoid valve is stuck 2. Check the quick approach bar works 3. Check the quick approach bar limit switch works M361 No material 1. Place new material ...
Error Error Description Solution Code M372 Saw bow NOT at rear limit 1. Send saw bow to rear limit switch position 2. Check rear limit switch M373 Saw arm not in safe position Raise saw arm to upper limit position M374 Saw bow not initial Saw bow implement initial STANDARD ACCESSORIES Blade tension device This blade tension device equipped with hydraulic cylinder provides appropriate tension to the saw blade. To tighten the saw blade, turn the selector to . Upon saw blade breakage, the safety device will activate and automatically stop all machine operation. The limit switch of the safety device can be reset by turning the blade tension selector to To change the blade, turn the handle to to release saw blade tension. ...
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Inverter This inverter is installed inside the machine base. It is used to control and stabilize the saw blade speed during cutting. To adjust blade speed, use the blade speed control knob on the control panel. Note: 1. Make sure the terminal points are connected. 2. Make sure the ambient temperature is within acceptable range and keep the surroundings well ventilated. 3. Keep the inverter away from dust. 4. For repair or maintenance, please contact your local agent. Gear reducer The specially designed gear reducer can work toward your preset blade speed and torque. Please refer to Section 8 for information on maintenance. Coolant pump The coolant pump supplies coolant to cool off cutting temperatures during cutting. Also, it can be used to wash off chips. Hydraulic powered wire brush The wire brush removes the metal chips on the saw blade teeth so that blade life can be extended. Keep hands away from the brush while the wire brush is running. Turn off the hydraulic motor or the main power switch before performing maintenance or cleaning on the wire brush drive system. ...
Angle encoder This devise is installed behind the saw bow. The angle encoder comes into work as the operator executes hydraulic mitering by giving a precise angle reading. Return‐to‐zero point is set at 150°. The encoder is a high‐precision electronic device. It has been factory‐ adjusted before shipment. Please do not make any random change to it. Avoid high impact on the device. ADJUSTING SAW BOW INCLINING ANGLE For this machine, the saw bow is a forward inclined type. It can be inclined from 0°~5°. Follow below steps to adjust the angle. Step 1‐ Loosen fixed bolts x 4 (2 on each side). Step 2‐ Adjust the angle of saw bow by adjustment handle. Clockwise Backward (5°~0°) Counterclockwise Forward (0°~5°) Step 3 ‐ Fasten the fixed bolts. Saw bow inclineded angle will affect cutting ability. Refer Section 2 for product specification. 4‐19 ...
UNROLLING & INSTALLING THE BLADE Always wear leather gloves and protection glasses when handling a blade. Unrolling the blade Please follow the procedures illustrated below. Installing a new blade Step 1 ‐ Select the most suitable saw blade for your workpiece considering the size, shape and material. Step 2 ‐ Turn on the machine power by switching to ON and turn on the hydraulic system. Step 3 ‐ Move saw bow to rear limit switch position then swivel the saw bow to 30°. Step 4 ‐ Turn the tension controller handle from “ ” to “ ” position to release tension. The idle wheel will then move slightly toward the direction of the drive wheel. 4‐20 ...
Step 5 ‐ Open the idle and drive wheel covers. Step 6 ‐ Loosen the blade cover. Step 7 ‐ Loosen the wire brush assembly screws and pull the wire brush away from the blade. Step 8 ‐ Pull the entire blade out. Step 9 ‐ If necessary, clean the carbide inserts before installing a new saw blade. Step 10 ‐ Place the new blade around the idle wheel and the drive wheel Step 11 ‐ Insert the blade into the carbide inserts. The back and the sides of the blade need to be touching the inserts as well as the adjacent rollers. Step 12 ‐ Place the blade to the drive wheel and press the back of the blade against the flange of the drive wheel. Step 13 ‐ Make sure the back of the blade is also pressed against the flange of the idle wheel. Step 14 ‐ Tighten the blade by moving the bolt up and tightening the nut. Step 15 ‐ Gently close the idle and drive wheel covers. Step 16 ‐ Swivel the saw head to 90°. Adjust wire brush to a proper position. Step 17 ‐ Press the saw blade start button to start the blade. Allow the blade to run for a few rotations then press the saw bow backward button to move the saw bow backward. Open the wheel covers and make sure the blade has not fallen off the drive and idle wheels. If the blade has shifted, follow the same procedure to reinstall the blade again. ADJUSTING WIRE BRUSH Follow these steps to adjust wire brush to appropriate position: Step 1 – Loosen the adjustment screws. Step 2 – Adjust the adjustment screws to make brush move left/right until it makes proper contact with the saw blade (see below illustration). Step 3 – Tighten the adjustment screws. Proper Improper 4‐21 ...
PLACING WORKPIECE ONTO WORKBED Step 1 – Press the saw bow backward button until the saw bow reaches rear limit position. Step 2 – Open the vise. Step 3 – Carefully place the workpiece onto the work feed table. POSITIONING WORKPIECE FOR CUTTING Follow these steps to position your workpiece: Step Action Press the left and right vise clamp buttons until the workpiece vises clamp material is securely clamped. Press the saw bow forward button to move the saw bow until confirm cutoff point it is about 10mm (0.4 inch) behind the workpiece. Adjust until the cutoff point on the workpiece aligns with the precision position blade line. ADJUSTING COOLANT FLOW Step 1 – Press the saw blade start button to start the saw blade drive motor. Step 2 – Press the saw bow forward button to move the saw bow forward. Step 3 – Use the flow control valve (shown below) to adjust the amount of fluid flowing to the cutting area. Adjust the flow amount if you observe the following changes to the chips generated from cutting. If the chips are sharp and curved, increase the coolant ...
ADJUSTING BLADE SPEED Step 1 – Set the flow control to “0” position. Step 2 – Press the saw blade start button to start the blade. Step 3 – Turn the blade speed control knob to adjust the blade speed. The blade speed should be adjusted based on the size and the material of the workpiece. BREAKING‐IN THE BLADE When a new saw blade is used, be sure to first break in the blade before using it for actual, extended operation. Failure to break in the blade will result in less than optimum efficiency. To perform this break‐in operation, the following instructions should be followed: Step 1 ‐ Reduce the blade speed to one‐half of its normal setting. Step 2 ‐ Lengthen the cutting time to 2‐3 times of what is normally required. Step 3 ‐ Start the break‐in opearation. Step 4 ‐ After the break‐in operation is completed, set all parameters back to normal settings. TEST‐RUNNING THE MACHINE Test‐running this machine can ensure good machine performance in the future. We suggest you run the following tests on the machine before first use: Testing machine performance: Turn on the power and run a basic performance test after you finish installing the machine. Follow these steps to test machine performance: Step 1 – Disassemble shipping brackets and bolts. Step 2 – Install roller table (optional). Step 3 – Turn on the relay switch in the control box. Step 4 – Move the saw bow backward. (If your coolant pump is in reverse and the machine cannot run, please change the electrical phase.) Step 5 – Remove the rust‐prevention grease with cleaning oil or kerosene. Step 6 – Start the coolant pump. Step 7 – Test these functions: vise clamping/unclamping saw bow moving forward/backward ...
CUTTING OPERATION Step 1 – Check before you cut Power: Check the voltage and frequency of your power source. Coolant: Check if you have sufficient coolant in the tank. Hydraulic: Check if you have sufficient (at least two‐thirds or higher) hydraulic oil. Workbed: Check if there is any object on the feeding bed that may cause interference. Blade: Check the blade teeth and make sure there is no worn out teeth along the blade. Light: Check the work lamp or laser light (optional) and make sure there is sufficient lighting. Saw bow: Check the saw bow to see if it can be forward and backward smoothly. Step 2 – Place your workpiece onto the workbed manually or by using a lifting tool e.g. a crane. Before loading, make sure the vises are opened to at least wider than the width of the workpiece. Step 3 – Position your workpiece. Step 4 – Clamp the workpiece. Step 5 – Turn the cutting pressure control knob to adjust blade cutting pressure according to the material. Step 6 – Adjust saw bow feeding speed control knob to obtain a suitable blade feeding speed for your material. Step 7 – Start running the blade. Before you start cutting, check again that there is no other object in the cutting area. Step 8 – While the blade moves forward, adjust the blade speed if necessary. You can do so by turning the blade speed control knob, clockwise to speed up and counterclockwise to slow down. The blade speed is displayed in the HMI touch screen. Step 9 – Select the proper cutting condition according to different material. Step 10 – After the entire cutting job is completed, move the saw bow backward to the rear limit position and open the vises to remove the workpiece. Step 11 – Clean the workbed by removing chips and cutting fluids. Step 12 – Move the saw bow forward to a proper position then turn off the power. ...
STOP TERMINATING A CUTTING OPERATION • To terminate a cutting operation, press either the saw bow backward button or the emergency stop button. • The saw blade will stop running when the saw bow backward button is pressed. • Both the saw blade and hydraulic pump motors will stop running when the emergency stop button is pressed. • The machine will stop automatically when an error occurs. The error message will be shown on the screen. 4‐25 ...
Section 7 BANDSAW CUTTING: A PRACTICAL GUIDE INTRODUCTION SAW BLADE SELECTION VISE LOADING BladeBreak -In SOLUTIONS TO SAWING PROBLEMS INTRODUCTION TPI: The number of teeth per inch as measured from gullet to gullet. 2. Tooth Rake Angle: The angle of the tooth face measured with respect to a line perpendicular to the cutting direction of the saw.
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SAW BLADE SELECTION 1. Band length The dimensions of the band will depend on the band saw machine that has been installed. Please refer to Section 2 – General Information 2. Band width Band width: the wider the band saw blade, the more stability it will have. 3.
VISE LOADING The position in which material is placed in the vise can have a significant impact on the cost per cut. Often, loading smaller bundles can mean greater sawing efficiency. When it comes to cutting odd-shaped material, such as angles, I-beams, channel, and tubing, the main point is to arrange the materials in such a way that the blade cuts through as uniform a width as possible throughout the entire distance of cut.
Section 8 MAINTENANCE & SERVICE INTRODUCTION BASIC MAINTENANCE MAINTENANCE SCHEDULE BEFORE BEGINNING A DAY’S WORK AFTER ENDING A DAY’S WORK Every 2 weeks First 600hrs for new machine,then every 1200hrs EVERY SIX MONTHS STORAGE CONDITIONS TERMINATING THE USE OF MACHINE OIL RECOMMENDATION FOR MAINTENANCE INTRODUCTION For the best performance and longer life of the band saw machine, a maintenance schedule is...
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MAINTENANCE SCHEDULE We suggest you do the maintenance on schedule. Before beginning a day’s work 1. Please check the hydraulic oil level. If oil level volume is below 1/2, please add oil as necessary.(Filling up to 2/3 level is better for system operation.) 2.
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Every six months 1.Clean the filter of the cutting fluid. 2.Replace the transmission oil for every half of a year(or 1200 hours). Check the sight gauge to ascertain the transmission level. Recommended TRANSMISSION OIL Omala oil HD220 Mobil comp 632 600W Cylinder oil 3.Replace the hydraulic oil.
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OIL RECOMMENDATION FOR MAINTENANCE Item Method Revolution Suggest oil Dovetail guide Keep grease covered. Antirust. Daily Shell R2 Roller bearing Sweep clean and oil with lubricant. Daily SEA #10 Bed roller / surface Sweep clean and oil with lubricant. Daily SEA #10 Nipples of bearing Use grease gun, but not excess.
Section 9 TROUBLESHOOTING INTRODUCTION PRECAUTIONS GENERAL TROUBLES & SOLUTIONS MINOR TROUBLES & SOLUTIONS MOTOR TROUBLES & SOLUTIONS BLADE TROUBLES & SOLUTIONS SAWING PROBLEMS & SOLUTIONS RE-ADJUSTING THE ROLLER TABLE INTRODUCTION All the machines manufactured by us pass a 48 hours continuously running test before shipping out and we are responsible for the after sales service problems during the warranty period if the machines are used normally.
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PRECAUTIONS When an abnormality occurs in the machine during operation, you can do it yourself safely. If you have to stop machine motion immediately for parts exchanging, you should do so according to the following procedures: Press HYDRAULIC MOTOR OFF button or EMERGENCY STOP button. ...
MINOR TROUBLES & SOLUTIONS TROUBLE PROBABLE CAUSE SUGGESTED REMEDY Saw blade motor does not run Overload relay activated Reset even though blade drive button Saw blade is not at forward Press SAW FRAME is pressed. limit position. FORWARD button MOTOR TROUBLES & SOLUTIONS TROUBLE PROBABLE CAUSE SUGGESTED REMEDY...
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BLADE TROUBLES AND SOLUTIONS DISCONNECT POWER CORD TO MOTOR BEFORE ATTEMPTING ANY REPAIR OR INSPECTION. TROUBLE PROBABLE CAUSE SUGGESTED REMEDY Too few teeth per inch Use finer tooth blade Loading of gullets Use coarse tooth blade or cutting lubricant. Teeth strippage Excessive feed Decrease feed...
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SAWING PROBLEMS AND SOLUTIONS Other than this manual, the manufacturer also provides some related technical documents listed as follows: Sawing Problems and Solutions Vibration during cutting Failure to cut Short life of saw blade Curved cutting Broken blade ...
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SOLUTIONS TO SAWING PROBLEMS Table Of Contents #1. Heavy Even Wear On Tips and Corners Of Teeth #11. Uneven Wear Or Scoring On The Sides Of Band #2. Wear On Both Sides Of Teeth #12. Heavy Wear And/Or Swagging On Back Edge #3.
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#2. Wear On Both Sides Of Teeth Probable Cause : A. Broken, worn or missing back-up guides allowing teeth to contact side guides. B. Improper side guides for band width. C. Backing the band out of an incomplete cut. #3. Wear On One Side Of Teeth Probable Cause : A.
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#5. Body Breakage Or Cracks From Back Edge Probable Cause : A. Excessive back-up guide "preload" will cause back edge to work harden which results in cracking. B. Excessive feed rate. C. Improper band tracking – back edge rubbing heavy on wheel flange.
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#8. Gullets Loading Up With Material Probable Cause : A. Too fine of a tooth pitch – insufficient gullet capacity. B. Excessive feeding rate producing too large of a chip. C. Worn, missing or improperly positioned chip brush. D. Insufficient sawing fluid due to inadequate supply, improper ratio and/or improper application.
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#12. Heavy Wear And/Or Swagging On Back Edge Probable Cause : A. Excessive feed rate. B. Excessive back-up guide "preload". C. Improper band tracking – back edge rubbing heavy on wheel flange. D. Worn or defective back-up guides. #13. Butt Weld Breakage Probable Cause : A.
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#16. Body Breakage Or Cracks From Gullets Probable Cause : A. Excessive back-up guide "preload". B. Improper band tension. C. Guide arms spread to maximum capacity. D. Improper beam bar alignment. E. Side guide adjustment is too tight. F. Excessively worn teeth. #17.
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#20. Broken Band Shows A Twist In Band Length Probable Cause : A. Excessive band tension B. Any of the band conditions which cause the band to be long (#18) or short (#19) on tooth edge. C. Cutting a tight radius. RE-ADJUSTING THE ROLLER TABLE If the feeding table suffers the huge stroke and the alignment is effected, follow the below procedure to adjust.
Section 10 PARTS SPARE PARTS RECOMMENDATIONS PART LIST SPARE PARTS RECOMMENDATIONS The following table lists the common spare parts we suggest you purchase in advance: Part Name Part Name Saw blade Filter Wire brush Steel plates Carbide inserts Rollers Bearings Belt Chain Duster seal Asbestos Washer 10‐1...
Section 11 Warranty Warranty New machines are warranted to be free from defects in workmanship and material for a period of one (1) year from the date of shipment by Seller. The warranty period is based on normal usage of two thousand eighty hours (2080) per year and is reduced proportionately for any excess usage. Products, which under normal operating conditions in Buyer’s plant are defective in workmanship or material, will be repaired or replaced at the option of Seller. This warranty does not cover shipping freight charges for either the return of the defective part or for the shipping of the replacement or repaired part. Seller will have no obligation to repair or replace perishable parts, or materials or parts damaged by misuse, negligence or failure of Buyer to provide appropriate maintenance and service as stated in the operator’s manual or industry standard and normally acceptable practices. This warranty does not apply if the machine has been altered or modified without our prior written consent. In the case of components or units purchased by Seller including work holding devices, tool holders, motors and controls, the warranty shall not exceed that received by Seller from the supplier of such components or units. Seller will not assume responsibility for products or components returned to Seller without prior consent or for unauthorized repairs to its products, even though defective. Electrical Equipment: The warranty available for all electrical components to the Buyer will be voided if the voltage supplied to the machine is found to be outside the stated voltage of the machine by +/‐ 10% and/or grounded at machine. Accessories Supplied with Manufacturer’s Equipment: The warranties available to the Buyer are those extended by the accessory manufacturer, if any, to the extent they are in force and effect. The ACCESSORY MANUFACTURER’S WARRANTY, if any, is exclusive and is in lieu of all other warranties whether written, oral or implied. 11‐1 ...
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