Mega H-550A Instruction Manual Download Page 27

 

7.2 Standard Cutting Chart 

 Material AISI  
 code No. 

 

  Brinell    
 hardness Bhn 

  Blade speed  
            fpm 

 

  Cutting rate 
   Sq in/min 

   1108-1111 
   1112-1118 
   1115-1132 
   1137-1151 
   1212-1213 
 
   1008-1013 
   1015-1035 
   1040-1064 
   1065-1095 
   1320-1330 
 
   1335-1345 
   2317- 
   2330-2345 
   2512-2517 
   3115-3130 
 
   3135-3150 
   3310-3315 
   4017-4024 
   4027-4042 
   4047-4068 
 
   4130-4140 
   4142-4150 
   4317-4320 
   4337-4340 
   4608-4621 
 
   4640 
   4812-4820 
   5045-5046 
   5120-5135 
   5140-5160 
 
  50100-52100 
   6117-6120 
   6145-6152 
   8615-8627 
   8630-8645 
 
   8647-8660 
   8715-8750 
   9255-9260 
   9261-9262 
   9310-9317 
 
   9437-9445 
   9747-9763 
   9840-9850 

    150-175 
    125-150 
    140-165 
    155-180 
    150-175 
 
    150-175 
    160-175 
    160-180 
    180-205 
    200-220 
 
    200-220 
    180-190 
    180-220 
    200-220 
    180-220 
 
    190-230 
    200-230 
    170-190 
    180-220 
    190-210 
 
    190-215 
    200-230 
    200-225 
    230-250 
    190-210 
 
    190-230 
    220-240 
    170-190 
    180-200 
    200-220 
 
    210-230 
    180-210 
    180-210 
    160-190 
    190-220 
 
    190-220 
    180-215 
    150-180 
    200-230 
    210-240 
 
    175-200 
    180-220 
    210-250 

   220-260 
   240-270 
   220-260 
   180-200 
   240-270 
 
   220-260 
   240-270 
   180-210 
   120-140 
   140-180 
 
   140-180 
   150-190 
   130-170 
   120-160 
   150-190 
 
   120-160 
   130-170 
   180-230 
   180-220 
   170-200 
 
   180-220 
   130-180 
   170-210 
   130-180 
   180-210 
 
   130-170 
   130-170 
   180-220 
   150-190 
   160-200 
 
    80-110 
   130-170 
   130-170 
   130-180 
   130-180 
 
   120-160 
   140-180 
   120-160 
   110-150 
   110-150 
 
   150-190 
   130-180 
   130-180 

     9.0-12.0 
    10.0-14.0 
     9.0-12.0 
     5.0- 8.5 
    10.0-14.0 
 
     7.0- 9.0 
     8.0-12.0 
     6.0- 9.0 
     5.0- 6.5 
     5.0- 7.0 
 
     5.0- 6.5 
     5.0- 6.0 
     4.0- 5.0 
     3.5- 4.5 
     5.0- 7.0 
 
     4.5- 5.5 
     3.5- 4.5 
     4.5- 5.5 
     4.5- 5.5 
     3.5- 4.5 
 
     4.5- 6.0 
     3.5- 4.5 
     4.0- 5.0 
     3.5- 4.5 
     4.0- 5.0 
 
     3.5- 4.5 
     3.0- 4.0 
     4.0- 5.5 
     4.0- 5.0 
     4.0- 5.0 
 
     3.0- 4.0 
     4.0- 5.0 
     3.5- 4.5 
     3.5- 4.5 
     3.5- 4.5 
 
     3.0- 4.0 
     3.5- 4.5 
     2.5- 3.5 
     1.5- 2.5 
     1.5- 2.5 
 
     3.5-4.5 
     2.5-3.5 
     3.5-4.5 

 

7 - 2 

 

Summary of Contents for H-550A

Page 1: ...AUTOMATIC BANDSAW H 550A INSTRUCTION MANUAL MEGA MACHINE CO LTD DOC NO H550A 100 U CTRL NO 06 UPDATE 1998 07 27 DOC VER A...

Page 2: ...lation operation lubrication maintenance and trouble shooting As MEGA MACHINE COMPANY LIMITED is constantly improving the design of its machines there may be some instance where this book differs some...

Page 3: ...ection 3 4 4 Operation 4 1 Control Panel 4 1 4 2 Operating preparation 4 3 4 3 Manual Operation 4 4 4 4 Automatic operation 4 5 4 5 Special Operation 4 5 4 6 Break In Operation 4 5 5 Maintenance 5 1 H...

Page 4: ...1 INTRODUCTORY ILLUSTRATIONS 1 1 Principal Parts 1 1...

Page 5: ...n 82 105 138 180 230 260 kW Blade 5 6 Hydraulic1 5 Coolant0 1 Motor Output HP Blade 7 5 Hydraulic 2 Coolant 1 8 Hydraulic pressure bar 40 kg Net Gross 3800 4500 Weight lb Net Gross 8360 9900 Specifica...

Page 6: ...machine as shown in the fig 2 If forklift is used then fig 3 Sufficient space should be left around the machine to allow safe handling of materials and inspection and maintenance operation Should the...

Page 7: ...must be level and flat After the proper leveling position has been obtained anchor the machine with anchor bolts The position of anchor bolts and floor dimensions are shown in fig 4 Contact portion wi...

Page 8: ...s they leave no lint or strings The machine as received by you has been completely drained of all oil Before any attempt is made to run it Before any motor connections are made every detail of the fol...

Page 9: ...of index cycles when off cut pieces longer than 500mm are required Maximum 9 time stroke can be set Blade speed LED Display This blade speed tachometer indicates how fast the saw blade is running in...

Page 10: ...rkpiece and thereafter it will descend at the designated cutting speed 10 REAR VISE SWITCH This switch control the rear vise jaws in manual mode switched to the left makes the front vise open and swit...

Page 11: ...of index cycles when off cut pieces longer than 500mm are required Maximum 9 time stroke can be set Blade speed LED Display This blade speed tachometer indicates how fast the saw blade is running in...

Page 12: ...tched to the right makes the front vise clamp 11 MANUAL FEED FORWARD BUTTON When this button is pressed the workpiece moves forward The workpiece stops advancing when the button is released NOTE Turn...

Page 13: ...each guide d The back edge of the saw blade should make contact with the flange of the drive and driven wheel turn count clockwise the hydraulic blade tension handle to tighten the saw blade Then the...

Page 14: ...the off cut and carry out all the procedures as described above in 4 2 Operating Preparation 1 Depress the RAISE button to lift the saw frame until the cutting edge of the saw blade clears the workpie...

Page 15: ...ng a workpiece if the saw blade suddenly jams in the workpiece depress the FRAME RAISE button to lift the saw frame immediately 2 The saw blade jamming in the workpiece is most likely because of a Sli...

Page 16: ...swinging up and down in line p above procedures have been done in our factory before machine dispatched now for checking test please dry run the machine by raising the saw frame to the very top positi...

Page 17: ...ke sure tighten the set screw after zeroing zeroing knob b After zeroing knob a turn knob a at 5 position and let the machine running in the same condition as previous did dry running turn knob b whil...

Page 18: ...5 MAINTENANCE The maintenance of this machine is divided three portions as following 5 1 HYDRAULIC CIRCUIT 5 1...

Page 19: ...n Device DAPHNE FLUID 32T Few Twice a year 2 Drive Wheel Bearing Grease Few Thrice a year 3 Guide Slides Shell Tonna 33 Few Oil daily 4 Transmission Gear Box DAPHNE GEAR LUBE 320 Few Twice a year 5 Cu...

Page 20: ...the life of the band Too low a speed could cause overfeeding Always reduce the speed when cutting dry 7 Break in Procedure The normal feed rate should be reduced to about 1 2 for the first 50 square...

Page 21: ...is determined by a cubed factor so increasing the distance between the guides by a factor of 2 decreases the beam strength by a factor of 2 3 or 8 You lose a lot very quickly 16 Brushes A good set of...

Page 22: ...ct Excessively hard material surface Soften material surface Excessive cutting rate Reduce cutting rate Non annealed workpiece Replace with suitable workpiece Insufficient or lean cutting fluid Add fl...

Page 23: ...nect 2 Turn on 3 Push reset button a Load workpiece b Depress FRAME RAISE button c Depress QUICK APPROACH switch 2 The saw frame descends out of sequence 1 Solenoid valve blocked 2 Piping leakage 3 Pa...

Page 24: ...inate breakdown 2 Press Blade ascending button 1 2 06 Saw frame touches fast to lower limit switch abnormal 1 Eliminate breakdown 2 Press Blade ascending button 1 2 07 Sensor switch abnormal 1 Elimina...

Page 25: ...to leave unused overlong 5 minutes 30 Auto cutting piece counting over 1 Press Blade ascending button 2 Press the key CLEAR 1 2 CLEAR 31 Blade descending button jammed 1 Eliminate breakdown 2 Press Bl...

Page 26: ...000 31000 50000 27000 50000 26000 50000 26000 44000 25000 42000 19000 31000 16000 23000 15000 23000 10000 20000 10000 20000 10000 20000 NOTE 1 All conditions described above are based on the use of hi...

Page 27: ...210 190 215 200 230 200 225 230 250 190 210 190 230 220 240 170 190 180 200 200 220 210 230 180 210 180 210 160 190 190 220 190 220 180 215 150 180 200 230 210 240 175 200 180 220 210 250 220 260 240...

Page 28: ...1 special W 1 extra W 1 regular H 12 H 13 H 21 H 22 H 24 S 1 S 2 S 5 L 6 L 7 217 241 217 241 228 255 187 207 207 228 156 187 156 196 156 196 205 228 217 241 177 212 173 228 190 230 180 230 140 170 75...

Reviews: