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Wood-mizer HR250, Operation Manual

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Wood-mizer HR250 Operation Manual Download Page 57

55

 

ADJUSTING CONVEYOR BELT

 

 

 

TRACKING

 

 

 

1.  If the conveyor belt runs to either right or left side, you need to adjust 

the conveyor belt running track.

 

 

2.  Before adjusting the conveyor belt tracking, make sure the conveyor 

belt tension is tightened. Otherwise, you should adjust belt tension 
before adjusting its running track.

 

 

3.  Loosen the two lock screws (1) (2). Loosen the nut (3). Tighten 

the nut (4) until the conveyor belt runs at a proper track.

 

 

 

4.  After adjustment, tighten the lock screws (1) (2) and the nut (3).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LOCK 
SCREW (1)

 

 

 

 

NUT (4)

 

LOCK SCREW (2)

 

 

 

NUT (3)

 

Summary of Contents for HR250

Page 1: ...HR250 TWIN HEAD HORIZONTAL BAND RESAW OPERATION MANUAL NOTE The operator must thoroughly read this manual before operation Keep this manual for future reference Form 2368...

Page 2: ...POWER WIRES 37 CHECKING POWER WIRE CONNECTION 38 ELECTRIC WIRING DIAGRAM 39 CONNECTING THE DUST HOOD OUTLET 42 CONNECTING THE AIR CIRCUIT 43 FILTER REGULATOR LUBRICATORUNIT 44 OIL MIST COOLER 45 ADJU...

Page 3: ...machine is properly grounded 3 Keep guards in place and in working order If a guard must be removed for maintenance or cleaning make sure it is properly reattached before using the machine again 4 Re...

Page 4: ...glasses 13 Secure work 14 Keep proper footing and balance at all times 15 Maintain machine in top condition Keep the machine clean for the best and safest performance Follow instructions for lubricat...

Page 5: ...ust and or wood chips Always operate the machine in a well ventilated area and provide for proper dust removal Use a wood dust collection system whenever possible 23 The HR250 Resaw is intended for sa...

Page 6: ...ipment for transporting the blades 1 If sawblade breaks turn the power off immediately The operator should stand away from the machine until it comes to a complete stop 2 When turning the power on for...

Page 7: ...ere should be information on the machine that it is necessary to tension the blade before starting to use the machine again 9 Before installation of the blade inspect it for damage and cracks Use only...

Page 8: ...6 SAFETY RULES FOR HORIZONTAL BAND RESAW Safety Labels Description See Table 1 1 Pictogram decals used to warn and inform the user about danger in the saw...

Page 9: ...7 SAFETY RULES FOR HORIZONTAL BAND RESAW...

Page 10: ...s 1 07mm 0 042 Linear Blade Speed 24m s Blade Wheel Diameter 710mm 28 Type Steel dynamically balanced Feed System Conveyor Belt 285mm x 5480mm 11 22 x 215 Feed Rate Variable 5 to 25m min 16 to 82 feet...

Page 11: ...e is a correlation between the emission and exposure levels this cannot be used reliably to determine whether or not further precautions are required Factors that influence the actual level of exposur...

Page 12: ...kg Conveying Speed When 10 m Long Hose Is Used 20 m s CAUTION Always turn on the dust extractor before starting the machine 3 External chip and dust extraction equipment with fixed installation are de...

Page 13: ...ft is enough to lift the machine The weight of HR250 is shown as below Net weight 1630 kgs 3594 lbs Gross weight 1730 kgs 3814 lbs Lifting a packed machine and unpacked machine is shown below Always p...

Page 14: ...machine to avoid damage to the machine Check the machine to see if all parts are present and free of damage If any parts are missing or damaged contact your local distributor or the machine manufactur...

Page 15: ...during transportation Once you receive and unpack the machine thoroughly remove rust preventive oil To do this use a clean cloth soaked in kerosene for removing the rust preventive oil CAUTION Do not...

Page 16: ...dust exhaust system connected The HR250 resaw must not be used outdoors when it is raining snowing In such a case the machine must be placed under a roof or indoors The machine should work in temperat...

Page 17: ...er for infeed pressure roller 3 Lifting channels for forklift 4 Front door 5 Dust outlet for lower sawblade 6 6 Lower saw wheel drive motor 20HP 7 Dust outlet for upper sawblade 6 8 Upper saw wheel dr...

Page 18: ...regulator lubricator combination unit 3 Air hydraulic combination unit for sawblade tension 4 Emergency stop switch 5 Conveyor belt drive motor 20HP 6 Gear reducer 7 Oil box for oil mist cooler 8 Uppe...

Page 19: ...POWER ON CONTROL PANEL SWITCH 4 CONVEYOR BELT SPEED REGULATOR 5 SAWBLADE TENSION SWITCH 6 AIR PRESSURE WARNING LIGHT 7 CONVEYOR BELT STOP SWITCH 8 CONVEYOR BELT START SWITCH 9 LOWER SAW WHEEL STOP SW...

Page 20: ...L CONTROLLER FOR LOWER SAW WHEEL ELEVATION 14 DIGITAL CONTROLLER FOR UPPER SAW WHEEL ELEVATION 15 UPPER SAW WHEEL LOWERING SWITCH 16 UPPER SAW WHEEL RAISING SWITCH 17 UPPER SAW WHEEL START SWITCH 18 U...

Page 21: ...ht Run allows for normal cutting functions 3 To turn power off turn the Key switch to the O position or press the EMERGENCY STOP SWITCH 2 2 POWER ON SWITCH 1 Press this switch for turning power ON At...

Page 22: ...Y STOP SWITCH clockwise to reset Otherwise the machine can t start 3 When the EMERGENCY STOP SWITCH is pressed the power source will shut off immediately 4 CONVEYOR BELT SPEED REGULATOR 1 The feed con...

Page 23: ...for loosening sawblade tension 2 Turn this switch to the Right for tightening sawblade tension 6 AIR PRESSURE WARNING LIGHT 1 This is an Air pressure warning if the air pressure drops below 4 Bar or...

Page 24: ...to stop the conveyor belt running 1 Press this switch to start the conveyor belt running 7 CONVEYOR BELT STOP SWITCH 8 CONVEYOR BELT START SWITCH 9 LOWER SAW WHEEL STOP SWITCH 1 Press this switch for...

Page 25: ...2 Lowering distance is displayed on the digital controller 13 3 This switch is a jog switch When pressing on this switch the lower saw wheels will lower Release this switch then the lower saw wheels l...

Page 26: ...is digital controller indicates the upper saw wheel elevation and providing quick setting of thickness of cut 15 UPPER SAW WHEEL LOWERING SWITCH 1 Press this switch then the upper saw wheels will rais...

Page 27: ...eel will raise Release this switch then the upper saw wheels raising motion will stop immediately 17 UPPER SAW WHEEL START SWITCH 1 Press this switch for starting the lower saw wheel running 2 This sw...

Page 28: ...19 MAGNETIC BRAKE CONTROL SWITCH 1 This switch is for releasing the magnetic brake in order to track and align blades 2 This switch is effective only when the Key Switch 1 has been turned to the main...

Page 29: ...DEL CH 525 1 FIGURE BUTTONS ARE FROM 0 TO 9 2 BUTTON C IS FOR CLEAR 3 BUTTON FOR SETTING THE DIGITS AT RIGHT SIDE OF THE DECIMAL POINT 4 SET IS A BUTTON FOR SETTING DATA 5 UNIT IS A BUTTON FOR TRANSIT...

Page 30: ...y will start to flash and then stop flashing The figures put in earlier will be shown and correcting the data is complete If the time for pressing the SET button or input incorrect figures that means...

Page 31: ...ete DIMENSION UNIT SELECTING DESCRIPTION OF CHANGE The user can choose between INCH and MM in accordance with their common use This control unit can change the dimension units swiftly by pressing the...

Page 32: ...is control unit is 100 0 and we need to increase it to 200 0 press SET button first The display will show 0 Then input the new figure we want to increase to and finally press START button NOTE During...

Page 33: ...ill show 0 STEP 2 Press 2 button followed by pressing 0 button twice Display will show 200 STEP 3 Press START button The control unit starts to run and the figure on the display changes Back to 100 an...

Page 34: ...he supplier for repair again The display does show If the proximity switch is used If the instruction lights fail to figures but when the up down and under normal induction be illuminated change the m...

Page 35: ...rrect If the correction is made at The parameter of the control 30MM but the dimension at unit isn t complied with the 150MM isn t complied with the table correct the parameter scale but back to 30MM...

Page 36: ...sawblades LIMIT SWITCH FOR MIN DISTANCE BETWEEN SAWBLADES 1 This limit switch is located at the right side of the machine back which is used to control the minimum distance between the upper and the l...

Page 37: ...L POSITION FOR BLADE LOOSENING 1 When performing sawblade loosening on lower saw wheels this limit switch is used to prevent the lower saw wheel from colliding against the conveyor table 2 In case the...

Page 38: ...OUT OF VARIOUS LIMIT SWITCHES Top limit switch for upper saw wheels Limit switch for lower saw wheel position for blade loosening Top limit switch for lower saw wheel Bottom limit switch for lower saw...

Page 39: ...hine are same as that of your factory s power source 2 The power wire connection points are provided at the left bottom corner in the electrical cabinet 3 The wires marked with L1 L2 L3 are power wire...

Page 40: ...38 CONNECTING POWER WIRES ELECTRICALCABINET...

Page 41: ...39 ELECTRIC WIRING DIAGRAM Under revision...

Page 42: ...40 ELECTRIC WIRING DIAGRAM...

Page 43: ...41 ELECTRIC WIRING DIAGRAM...

Page 44: ...hood outlets Two are located at the right side of the machine and one is located at the left side 2 Diameters of all dust hood outlets are all 6 3 Use 6 flexible hoses to fit to all dust hood outlets...

Page 45: ...ou need to connect the quick air connector to an air source 3 The size of the quick air connector is 3 8 4 The filter regulator lubricator combination unit is located at the back right hand side of th...

Page 46: ...justed The working air pressure should be set at about 5 7kg cm2 2 LUBRICATION OIL CUP Periodically check to make sure that there is an adequate amount of oil in the lubrication oil cup If necessary f...

Page 47: ...operate 3 The working pressure of the oil mist cooler is about 1 2 kg cm2 Adjust air pressure by turning the pressure regulation knob located at the back side of the machine 4 Start the oil mist by tu...

Page 48: ...o a complete stop before opening the front doors Left Door Right Door 2 Adjusting the oil mist flow rate is made only when the machine is fully stopped 3 The upper and lower sawblade are cooled throug...

Page 49: ...become loose gradually At this time it is also necessary to inspect and adjust the sawblade tension CAUTION A loosed sawblade may cause blade slippage Inspecting and adjusting sawblade tension accord...

Page 50: ...f the sawblade Sawblade Tension Gauge Slot Bottom Left Slot Right Slot 3 First tighten the left fix screw on the sawblade tension gauges Left Fix Screw Right Fix Screw 4 Make a micrometric adjustment...

Page 51: ...rew 6 Turn the gauge to set it at graduation 0 Set at graduation 0 7 Turn the sawblade tension switch 5 located on the operation panel to the Right position tighten for tightening the sawblade 8 Check...

Page 52: ...hich will tighten the sawblade tension Air Pressure Regulator Air Pressure Gauge Air Hydraulic Combination Unit 11 For convenience when making air pressure adjustment it is suggested to ask another pe...

Page 53: ...awblade tension is proper before adjusting sawblade tracking 4 Slowly turn the saw wheel by hand and check the sawblade running track condition 5 To adjust the sawblade track in forward backward direc...

Page 54: ...kwise for moving the sawblade backward 7 After blade track is adjusted tighten the fixing nut 1 8 During track adjustment slowly turn the saw wheel by hand to check if the sawblade runs on the correct...

Page 55: ...blade tension is so proper before adjusting sawblade tracking 4 Slowly turn the saw wheel by hand and check the sawblade running track condition 5 To adjust the sawblade track in rightward leftward di...

Page 56: ...ckwise for moving the sawblade rightward 7 After blade track is adjusted tighten the fixing nut 2 8 During track adjustment slowly turn the saw wheel by hand to check if the sawblade runs on the corre...

Page 57: ...he conveyor belt tracking make sure the conveyor belt tension is tightened Otherwise you should adjust belt tension before adjusting its running track 3 Loosen the two lock screws 1 2 Loosen the nut 3...

Page 58: ...o air flow regulators provided on the air cylinder located at the infeed end The UPPER AIR FLOW REGULATOR is used to adjust the hold down pressure of the infeed pressure roller The LOWER AIR FLOW REGU...

Page 59: ...with a sensing plate Once the wood touches the sensing plate the infeed roller assembly will raise slowly This allows the wood to be pressed by the infeed roller easily without blocking problems INFE...

Page 60: ...gy such as moving blades feed system and air pressure shall be dissipated Stop the machine by the normal stopping procedure Wait until all rotating parts are completely stop Disconnect the power suppl...

Page 61: ...ne 2 Every day when the work is finished clean the machine Remove wood chips from the machine and surroundings Apply oil on the sliding parts Turn power off 3 During operation if any abnormal noise oc...

Page 62: ...on Saw Wheel and tighten Bearing retaining nut by one notch this ensures the bearings are preloaded PLEASE NOTE 5 THIS WILL ONLY BE PERFORMED AFTER THE FIRST WEEK OF OPERATION 4 HALF YEAR MAINTENANCE...

Page 63: ...h E STOP button pressed try to move the saw head up and down using the switch and the Setworks buttons Try to start the feed Up down and feed systems should not start Up down limit switches Turn on th...

Page 64: ...loose 1 Sharpen or replace sawblade 2 Reduce cutting speed 3 Tighten sawblade t i SAWBLADEBREAK Too tight tension of sawblade Adjust sawblade tension properly SAWBLADERUNNING TRACK IS IMPROPER Sawbla...

Page 65: ...HYDRAULIC SCHEMATIC 63...

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