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Hydmech M16A, Manual

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Hydmech M16A Manual Download Page 38

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Summary of Contents for M16A

Page 1: ...e reference in a known location and easily accessible to all users of the device HYD MECH offers a great variety of options components and features for its various models Therefore some of the equipment described in this manual various illustrations and drawings may not be applicable to your particular machine The information and specifications provided in this manual were accurate at the time of ...

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Page 4: ...THE CONTROL PANEL 2 1 MANUAL OPERATION 2 1 HMI PANEL 2 2 CONTROL SYSTEM MITSUBISHI PLC 500 2 4 OPERATION OVERVIEW 2 4 PLC CONTROL DESCRIPTION 2 5 FUNCTION BUTTON DESCRIPTION 2 6 ONE CUT MODE 2 8 KERF CORRECTION FOR ANGLE CUTTING MANUAL MODE ONE CUT MODE 2 8 AUTOMATIC OPERATION 2 9 PROCEDURE FOR EDITING OR STARTING A NEW JOB IN AUTO MODE 2 9 WORKING WITH A QUEUE 2 11 SHUTTLE EMERGENCY STOP 2 12 HYD...

Page 5: ...ELECTRICAL ELECTRICAL SCHEMATICS SEE PDF ON ATTACHED CD 4 1 SECTION 5 HYDRAULIC M20 HYDRAULIC ASSEMBLY COMPONENT LIST 5 1 M16 HYDRAULIC ASSEMBLY COMPONENT LIST 5 2 HYDRAULIC SCHEMATICS PLUMBING DIAGRAMS SEE PDF ON ATTACHED CD 5 3 SECTION 6 MECHANICAL ASSEMBLIES MECHANICAL ASSEMBLY DRAWINGS PARTS LIST SEE PDF ON ATTACHED CD 6 1 SECTION 7 OPTIONS BLADE DEVIATION 7 1 OVERVIEW OF THE BLADE DEVIATION M...

Page 6: ... Materials are within designed specifications and are non hazardous Owner is responsible to Keep Manual accessible at the machine Ensure only reliable fully trained personnel work with the machine Clearly define responsibilities of all personnel working with the machine Keep the machine in good working order Operator and Maintenance Personnel are responsible to Keep all safety equipment in order c...

Page 7: ...ty hazards associated with what you are doing That should get your brain working again Certainly production is important but if you think you re too busy to put safety first think how much production you ll lose if you get hurt You owe it to yourself your family and your co workers to PUT SAFETY FIRST Mandatory Information All persons operating this machine must have read and understood all of the...

Page 8: ...cannot accept any liability for personal injury or property damage due to operator errors or non compliance with the Safety and Operating Instructions contained in this Manual RESPONSIBILITIES OF THE OWNER Organization of work This Operation and Maintenance Manual must always be kept near the machine so that it is accessible to all concerned The general statutory and other legal regulations on acc...

Page 9: ...t on the machine must be checked At the start of every shift After maintenance and repair work When starting for the first time and after prolonged shutdowns Emergency Stop Button E Stops Always be aware of the location of the Emergency Stop Button s Do not allow material or objects to block your access to an Emergency Stop Damage If any changes capable of impairing safety are observed in the mach...

Page 10: ...cessity to pick them off the machine by hand Hearing protection Ear protection must be worn whenever necessary The level and duration of noise emission requiring hearing protection depends upon the national regulations in the country in which the machine is being used The actual level of noise emission by band sawing machines depends upon work piece size shape and material blade type blade speed a...

Page 11: ... HAZARD LABELS The safety hazard labels attached to your machine represent important safety information to help you avoid personal injury or death All supervisors operators and maintenance personnel must locate and understand the safety information associated with each hazard label prior to operating or servicing the machine The safety hazard labels shown below are located at various positions on ...

Page 12: ...Keep hands clear of vises and work piece when vises are opened or closed Be aware that vise closing or opening may result in potentially dangerous work piece movement Be aware also that the opening motion of a vise may create potential pinch points MOVING PARTS CAN CRUSH AND CUT Keep hands clear of chip auger Lock out power in accordance with your company s lock out procedures before attempting to...

Page 13: ...BE MAINTAINED IN A CLEAN AND TIDY CONDITION TO AVOID OBSTACLES OPERATORS COULD TRIP OVER THE M 16 20 SHOULD ONLY BE OPERATED ACCORDING TO THE SPECIFICATIONS OF THE SAW AVOID UNSAFE USAGE PRACTICES IF AT ANY TIME THE SAW DOES NOT APPEAR TO BE OPERATING PROPERLY IT SHOULD BE STOPPED IMMEDIATELY AND REPAIRED OPERATOR THE SAW SHOULD NEVER BE OPERATED UNLESS ALL GUARDS AND DOORS ARE IN PLACE AND CLOSED...

Page 14: ...on Saw head in its bottom position at 90O Shuttle vise fully forward Coolant tank emptied There is a large lifting eye shown below at the top of the machine The machine may be lifted with an overhead hoist and chain both being rated for 7400 lbs 3356 kg for the M 16A or 7700lbs 3465kg for the M 20A For P models the weight is less 6400lbs 2880kg for the M 16P and 6800lbs 3060kg for the M 20P ...

Page 15: ...teel plates are to be placed under each screw to prevent their sinking into the concrete floor In cases when the machine is to be anchored permanently anchoring holes are provided They are located next to the leveling screws NOTE In some cases leveling the saw in feed and auxiliary conveyors with a slight slope towards the blade is recommended This will prevent coolant from running down the raw st...

Page 16: ...dicated on the serial plate and voltage label Power connection to the machine is made to L1 L2 L3 and ground at the disconnect switch The disconnect switch box is located on the right side of the Operator Control Panel For machines equipped with a variable frequency drive unit an earth ground is also recommended During the initial hook up it is very important to check that the phase order is corre...

Page 17: ...lant ground system This connection shall be made directly at the ground rod If applicable 3 It is desirable that the overall resistance to ground measured at the ground rod does not exceed 3 ohms Customer is advised to consult local power company for further information on grounding 4 The ground rod is to be connected to the ground terminal in the control enclosure using insulated stranded copper ...

Page 18: ... is in transit the position changes slightly This should be checked at the time of installation If adjustment is required loosen the jam nut on the head cylinder and turn the cylinder rod to drive the rod end in or out as required The blade should be 1 8 below the top surface of the infeed table Blade Outfeed Table Blade teeth 1 8 below the top surface of the Infeed Table Head Height Adjustment ...

Page 19: ...plication is essential with most materials A high quality and well mixed coolant will extend blade life and also increase cutting rate and quality On those materials where coolant is undesirable for cutting a slight coolant flow or periodic oiling of the blade is necessary to prevent the blade from being scored by the carbide guides 3 The stock being cut must be securely clamped in the vises 4 The...

Page 20: ...tions UP HOLD and DOWN The switch is inactive unless the PLC is in manual mode In the UP position the head will rise until it trips the head up limit which is adjustable In the HOLD position the head will stay still In the DOWN position the head will descend until it reaches the bottom of the stroke The speed of descent is controlled by the Head Feed and Head Force Limit controls BLADE START The b...

Page 21: ...electing this option in the PLC parameters SHUTTLE VISE This switch has three positions OPEN HOLD and CLOSE With the switch held in the OPEN position the vise will open all the way or until the switch is released With the switch in the HOLD position the vise will stay where it is and will not move freely although it will not resist a large force indefinitely without creeping In CLOSE the vise will...

Page 22: ...ws a maximum of 5 jobs to run consecutively NOTE If an emergency situation arises during any operation use the large red mushroom emergency stop button located on the control panel to shut down the machine CONTROL SYSTEM MITSUBISHI PLC 500 BLADE CHANGE MODE This lock is provided for the safety of the operator during the blade changing procedure When the lock is in the ON I position the door interl...

Page 23: ...lay will prompt you to SWING THE HEAD TO 90 DEGREES Press and hold the 900 key until the display returns to MANUAL MODE When the head is at 900 the AUTO MAN indicator light will be green all MANUAL controls as described previously are enabled and the MANUAL MODE STATUS screen will appear as shown below The PLC controls are described on the following pages The length value shuttle vise position wil...

Page 24: ...y is disabled 30 SLOW FAST MANUAL MODE This key will swing the head toward 30 degrees AUTO MODE Key is disabled MANUAL MODE Green light indicates that the shuttle movement and head swing will move at a slow speed Red light indicates that the same movements will be at a fast speed AUTO MODE Key is disabled INCH METRIC MANUAL MODE AUTO MODE Green light indicates Imperial values Red light indicates M...

Page 25: ... value will not be accepted by the controller until it has been shut down and restarted The standard kerf values are 066 for 1 1 4 blade 074 for 1 1 2 blade at 90O AUTO MODE Used to scroll down through job information MANUAL MODE Used to clear the length display shuttle vise position value AUTO MODE Used to CLEAR the jobs from the queue or job values for whichever job the cursor is at F7 F8 F5 F6 ...

Page 26: ...witch the head will stop 3 To enable the ONE CUT MODE turn the front vise switch to the CLOSED position 4 To the left of the F5 button the display will be flashing Move the cursor to the rectangular box and key in the desired length using the numeric key pad and press ENTER 5 If the blade is not running BLADE will be flashing beside the length value press the BLADE START button Adjust the blade sp...

Page 27: ...is will be the trim cut Length 1 L1 is the length of the material to be cut as measured between the two intersection points of the blade axis and the saw table datum line Angle 2 A2 is the second angle to be cut and length 2 L2 again is the length of material as measured between the two intersection points of the blade axis and the vise datum line IMPERIAL STANDARD KERF XX DEGREES BLADE SIZE 90 75...

Page 28: ...ected using the cursor key in order for the item to be deleted To start the cycle Move the cursor to the 1st JOB and key in the desired JOB and press ENTER followed by F5 INIT initiate CYCLE You will then be prompted to enter MATERIAL WIDTH and press ENTER The display will then read PRESS CYCLE START TO INITIATE JOB QUEUE If the blade is not running the cycle will not continue Press the BLADE STAR...

Page 29: ...each individual JOB as it is being run The STOP and PAUSE functions are as above and at completion of the last JOB in the QUEUE the machine will shut off The machine will auto matically advance the stock between jobs for trim cuts as needed NOTES 1 The CYCLE START button is used to PAUSE a job in progress When a job is PAUSED the PICK LIST will appear and the operator can make eventual alterations...

Page 30: ...l while the machine is shut down This is a latched button and must be pulled out to start the machine FAST APPROACH LEVER DEPRESS FOR FAST HEAD DESCENT FEED FORCE KNOB USED TO SET FEED FORCE LIMIT COUNTERCLOCKWISE ROTATION TO INCREASE AND CLOCKWISE ROTATION TO DECREASE FEED RATE KNOB USED TO SET FEED RATE COUNTERCLOCKWISE ROTATION TO INCREASE AND CLOCKWISE ROTATION TO DECREASE HYDRAULIC FEED CONTR...

Page 31: ...IAL WIDTH W inches or mm Effective material width W in for most common shapes of materials is the widest solid part of the material to be in contact with blade during cutting For simple shapes as illustrated on the chart this can be directly measured For bundles of tubes and structurals measuring the effective width is difficult Effective width is 60 to 75 of the actual material width Material Wid...

Page 32: ...on the less FF should be set to avoid blade overloading See the graph below EXAMPLE When cutting a solid which is 1 2 of machine capacity using the graph locate 50 on the horizontal line and travel upwards to the plotted line and then travel directly across to the vertical FF Setting line The point that you have arrived at shows a setting of 40 for a piece 50 of capacity CUTTING STRUCTURALS A redu...

Page 33: ...T P I for Material Width Inches It is impractical to change the blade to the proper pitch every time a different width of material is cut and it is not necessary but remember that the optimum blade will cut most efficiently Too fine a blade must be fed slower on wide material because the small gullets between the teeth will get packed with chips before they get across and out of the cut Too coarse...

Page 34: ...the Medium Carbon Steel Curve 5 From this intersection point run horizontally left to the vertical axis optimum blade speed axis and find the point marked 200 6 For 8 200mm diameter 1045 Carbon Steel solid bar 200 ft min 60m min is the optimum blade speed NOTE 1 Higher than optimum blade speed will cause rapid blade dulling Lower than optimum blade speeds reduce cutting rates proportionately and d...

Page 35: ... direction from O to required value If you go too far go back to O and come back up To set FEED RATE for particular cutting situations use the graph below which represents the relationship between FEED RATE blade speed and blade pitch Example 1 It is known from Step 3 that optimum blade pitch is 2 3 and from Step 4 that blade speed is 200 ft min 60mm min From the Graph on the left the FEED RATE is...

Page 36: ...l Tube SAE 4320 Hardened to 35 RC 325 Bhn Dimensions 6 O D x 4 I D 150mm O D x 100mm I D Step 1 Effective Material Width 4 1 2 75 X 6 114mm 19 x 6 Step 2 Feed Force limit setting for 6 Diameter material Refer to Feed Force Limit Setting in Step 2 Step 3 Optimum blade pitch TPI 3 4 T P I Actual blade pitch on the saw 4 6 T P I Step 4 Optimum blade speed for 4 1 2 effective 225 ft min 70m min materi...

Page 37: ...of coolant should be directed into the opening created by the blade NOTE When cutting materials that do not need coolant cast iron some coolant flow is required to provide blade lubrication to pre vent blade scoring by carbides HEAD UP AND DOWN LIMIT SETTING Head Up Limit In order to maximize production in the automatic cycle the Head Up Limit should be set to just clear the height of the material...

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Page 39: ...es use the following procedure LOCK OUT PROCEDURE Whenever work is to be performed on a machine which requires removal or bypassing of safety guards or devices or the placement of part of anyone s body in a hazard area the following steps shall be taken 1 Operator shuts down the machine 2 The supervisor in charge of the machine must be informed of the intention to Lock out the machine 3 The Machin...

Page 40: ...has been removed After notification is made the machine may be re started BLADE CHANGE MODE PROCEDURE Wear safety glasses gloves and a long sleeve shirt for protection when handling band saw blades during blade change NOTE THAT GLOVES SHOULD NEVER BE WORN NEAR A RUNNING BANDSAW BLADE When handling new blades or ones that will be re used it is important to keep the teeth out of contact with concret...

Page 41: ...ing towards the front of the saw where it passes around the wheels and with the teeth in the cutting area pointing towards the drive wheel This may require that the blade be turned inside out before installation 1 With the blade change mode key switch remaining in the ON position turn the blade tension switch to the position for several seconds until the idler wheel has fully retracted and the bla...

Page 42: ... this process until both wheels are within specification M16 0 250 to 0 270 6 35 mm to 6 56 mm of tooth over hang from the front of the wheel M20 0 260 to 0 300 6 6 mm to 7 62 mm of tooth over hang from the front of the wheel Both the drive and idler wheels are factory set a certain distance from the wall behind the wheel Adjustment should not be required unless the wheel is being replaced On the ...

Page 43: ...e operated for prolonged periods at ambient temperatures below 20 Deg C 70 Deg F an oil of ISO Viscosity Grade 150 should be substituted The Bonfiglioli A503 gearbox used on the M20 is supplied with 8 4 litres 2 22 US gallons of Mobil SHC 634 synthetic oil This oil has an ISO Viscosity Grade of 220 that is optimum for ambient temperatures from 20 40 Deg C 70 104 Deg F If the machine will be operat...

Page 44: ... this periodic lubrication be done once a month using any general purpose grease In addition to the grease points shown vise jaw guides infeed rollers and bundling assemblies require greasing Head Pivot Idler wheel tensioner Shuttle house shafts 2 lube points on fixed vise shafts plus 2 lube points on shuttle vise shafts Bundling option 1 on each bundling shafts ...

Page 45: ...l visual inspection should be conducted with every filter change for the following signs of degradation Milky of hazy oil color Burnt smell Varnish or sludge formation Increased viscosity If one of the above is observed oil should be changed It is recommended to change the oil after 6000 hours of operation or every 2 years 4 OIL TEMPERATURE Oil temperature is indicated by a thermometer contained i...

Page 46: ...epress each of the over load buttons located in the electrical box Depressing one button at a time and trying to start the saw will indicate which motor was overloaded 9c Control circuit fuse has blown 9c Replace the fuse in the control panel Random blowouts may occur but a quickly repeated blowout points to an internal wiring fault 9d Vise or head selector switch not in the center neutral positio...

Page 47: ...LC 500 uses input signals from limit switches control panel switches three rotary shaft encoders and information which is programmed into it to supply accurate automatic length angle and saw function control as well as blade speed and feed rate readout The inputs used include a head down head advance V18A limit switch a head up limit switch head retract V18A and a head at 90 deg limit switch Also ...

Page 48: ...rocedure can be started by pressing the ENTER key NOTE If any calibration procedure is activated and not allowed to be completed or a value for that parameter is not en tered during or after starting or completion of the procedure the value for that parameter will reset to 00 000 and the PLC will not be able to count display the particular function for which the parameter is intended If any of the...

Page 49: ...ward up on M16 20A At this point the procedure is done and the line should read HD CLB ENTER OFF The cycle light will still be flashing 3 At any point after the procedure has started move the cursor down to the ACT HD MVT line ACT HT on M16 20A type in the desired value and press ENTER To finish the procedure press the AUTO MANUAL key and the value entered will then be accepted by the PLC This val...

Page 50: ...ter to be modified in a case where the angle display is inaccurate and proper calibration cannot be performed Proper material not available for test cuts Actual calibration is performed by running the angle calibration procedure with a piece of cold rolled material 6 8 wide allowing the blade to scribe the material then measuring and calculating the angles cut For angle troubleshooting details ple...

Page 51: ...med length Distance in inches the shuttle will travel slowly before going to fast speed when starting to move in either direction ie 250 Distance in inches from the home or target length position the shuttle will travel in slow speed ie 1 000 Minimum slow speed distance If programmed length is smaller than this parameter the PLC will only move the shuttle in slow speed Opening time for the front v...

Page 52: ...d factor must be calculated Providing wheel target parameter is set correctly Actual speed Display speed Adjustment factor Adjustment factor X Existing speed factor New speed fac tor Number of targets per revolution of the idler wheel M16 20A 1 V18APC 6 Starting in Jan 99 this changed to 1 If this parameter is set to 1 length display will show actual position If this parameter is set to 0 if the b...

Page 53: ... be sure all four wires are con nected properly See next page for connection wiring information Measure the voltage a At encoder connector Between 0 V pin and 24 V pin This voltage should be a minimum of 22 to 26 VDC If the voltage is incorrect check encoder cable continuity if OK possible PLC problem If the voltage is correct go to step b b At encoder connector Between 0 V and channel A and 0V an...

Page 54: ...R INACCURACY Load machine with a piece of stock for test cutting Open parameters screen Initiate length calibration and measure cut length as accurately as possible Re enter new ACT LTH Actual Length value Re cut test lengths and check if accuracy is satisfactory Or Perform test cuts of three different lengths i e 6 12 20 and measure as accurately as possible If the measurements indicate a linear ...

Page 55: ...4 1 ELECTRICAL SCHEMATICS SEE PDF ON ATTACHED CD SECTION 4 ELECTRICAL ...

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Page 57: ...Cylinder 3 1 S25 C5 00 Blade Tension Cylinder 4 1 M20 C21 00A Front Vise Cylinder 5 1 M20 C21 00A Shuttle Vise Cylinder 6 1 M16 C22 00B Datum Vise Cylinder 7 2 M20 C23 00B Bundling Clamp Cylinder Optional 8 1 M20 C6 00 Guide Arm Cylinder 9 1 M16 C7 00 Swing Cylinder 10 1 DDF21 0 00 Positive Downfeed Valve 11 1 MB6PA Manifold Block 12 1 EB 01A Manifold Extension Block 13 4 DPCH 1 Double Pilot Check...

Page 58: ...NT LIST ITEM QTY M20 PART NUMBER DESCRIPTION 1 1 M16 C4 00B Head Cylinder 2 1 M16 C1 00A Shuttle Cylinder 3 1 S25 C5 00 Blade Tension Cylinder 4 1 M20 C21 00A Front Vise Cylinder 5 1 M20 C21 00A Shuttle Vise Cylinder 6 1 M16 C22 00B Datum Vise Cylinder 7 2 M20 C23 00B Bundling Clamp Cylinder Optional 8 1 M16 C6 00B Guide Arm Cylinder 9 1 M16 C7 00 Swing Cylinder 10 1 DDF21 0 00 Positive Downfeed V...

Page 59: ...V2P A C Poppet Valve 25 1 CHB 25C Cushion Block shuttle 26 1 HP 1 Pump 27 1 SS 100 00 Suction Strainer 28 1 SF6520 Return Filter 29 1 HM 1 Chip Conveyor Motor 30 1 N10BK Needle Valve 31 1 CHB 15C Cushion Block swing 32 1 JB 02B Double Junction Block Option 33 1 PRV1 12 Pressure Reducing Valve Option 34 1 EB 02 Extension Block Left Option ...

Page 60: ...6 1 MECHANICAL ASSEMBLY DRAWINGS PARTS LIST SEE PDF ON ATTACHED CD SECTION 6 MECHANICAL ASSEMBLIES ...

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Page 62: ...tion to an analog signal which is sent to the PLC After a series of calculations the lateral deflection is displayed on the operator interface in the form of a bar graph The bar graph appears in both the Manual Mode and Automatic Mode Screens It is only active when the blade is running and head is descending The length of the bar graph is proportional to the blade deflection The bar graph extends ...

Page 63: ... the Parameter screen by pressing function key F5 labeled BLADE MONITOR PARAMETERS The PARAMETER SETTING screen will be displayed Fig 4 Page 2 4 3 Change the BLADE DEVIATION MONITOR parameter to ON by moving the cursor using the navigation keys to ON OFF and pressing ENTER The value of Blade Monitor parameter will change to ON 4 Exit the Parameter screen by twice pressing the function key F1 label...

Page 64: ...s value decreases sensitivity which will result in a warning further away from nominal straight Cut in warning limit in cutting towards infeed range 100 0 This parameter will adjust the warning limit if the blade is cutting towards the stock Decreasing this value decreases sensitivity which will result in a warning further from away nominal straight Cut out maximum limit out cutting towards outfee...

Page 65: ...RS This function key will access parameters screen When this function key is depressed once the value of selected slider will decrement by 2 5 This function key will move the selected slider to the far right Fig 3 MONITOR LIMIT SETTING FUNCTION KEY DESCRIPTION CHART To return from the MONITOR LIMIT SETTING screen to the AUTO or MANUAL screens press RETURN F1 function key Fig 1 To access the PARAME...

Page 66: ... position of the blade within the measuring range of the proximity transducer At 0 the blade is exactly centered within the sensing range The display assists adjustment with the prompts SETTING or SET The prompt SET appears when the adjustment is within the acceptable range of 100 100 See sensor adjustment procedure section BLADE DEVIATION MONITOR ON OFF This parameter will activate or deactivate ...

Page 67: ...tion at the point where it passes the blade deflection sensor which is 1 past the idler side guide arm The maximum deviation of the cut surface will actually occur at or near the center of the cut and will be several times larger than that measured at the sensor The display range of 0 100 is proportional to the amount of blade deviation This depends on the type of material shape of the work piece ...

Page 68: ...7 7 AUTOMATIC MODE SCREEN Fig 8 ...

Page 69: ... to prevent cutting errors due to material slippage or vibration This also helps to extend blade life Bundling Cylinder Bundling Vise Jaw Bundling option shown Bundling Vise Jaw Variable Vise Pressure and Gauge VARIABLE VISE PRESSURE This option is useful when the material being cut is soft or is a structrual and may be distorted by the full vise pressure ...

Page 70: ...mount of lubrication can be adjusted with the dial below the oil tank Air supply connection for the mist lubrication system located at the right side of the control console To turn the mist flow on slide the valve forward and to turn it off pull the valve back Flow adjustment dial for the mist lubrication system Rated in drops per minute located behind the control panel Application nozzle for the ...

Page 71: ...a Pumps Hydraulic Coolant 18 6 5640mm Thickness 042 1mm Blade 1 1 4 32mm Width Length Blade Tension Vise Control Hydraulic Drive Hydraulic pump drive Carbide inserts water soluble coolant lubricated 50 350 SFM 15 107 m min 19 483mm Blade drive 7 5 hp 5 5 kW Blade Speed Machine Weight Overall Dimensions Machine Workload 8000 lbs 3629 Kg 7400 lbs 3357 Kg M 16A BANDSAW SPECIFICATIONS Round Rectangula...

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Page 73: ...oolant 3 1 2 Gal min 13 2 Liters min 150W Blade Wheel Dia 22 559mm Drive blade drive 10 hp 7 5 kW hydraulic pump drive 3 hp 2 2 kW Blade Speed 60 350 sf min 18 107 m min Blade Guides carbide inserts water soluble coolant lubricated 050 1 25mm Blade Tension Hydraulic Length Control Programmable up to 99 jobs with 5 in queue Blade Length 20 6 23 2 w extended head 6250mm 7061mm Width 1 1 2 38mm Thick...

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Page 75: ... of the M16 M20 but not originally manufactured by Hyd Mech are subject to the original manufacturer s warranty Hyd Mech will provide such assistance and information as is necessary and available to facilitate the user s claim to such other manufacturer Liability or obligation on the part of Hyd Mech for damages whether general special or for negligence and expressly including any incidental and c...

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