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Mega H-550A Instruction Manual

Manual is about: automatic

Summary of 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

    Foreword we hope that the owner of this heavy-duty bandsaw machine will have years of trouble-free service. The machine has been built to the highest standards to enable fast accurate cutting to be obtained. In order that the best results can be achieved from your mega band saw we would ask all oper...

  • Page 3

    Table of contents item unit page 1 introductory illustrations 1-1 1.1 principal parts 1-1 2 specifications 2.1 specifications 2-1 2.2 standard accessories 2-1 3 installation 3.1 moving and lifting 3-1 3.2 foundation layout and set-up 3-2 3.2.1 foundation 3-2 3.2.2 leveling 3-3 3.2.3 cleaning and oil...

  • Page 4

    1. Introductory illustrations 1.1 principal parts 1 – 1.

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    2. Specifications 2.1 specifications model specifications h-550a / h-550ga (mm) φ550 □550h*600w (in) max φ21 □21*23 (mm) φ190 □ 550h * 190w cutting capacity (in) min φ7.48 □ 21h * 7.48w bundle cutting (mm) 250h*440w (mm) 41 w * 1.30t * 5800l blade size (in) 1-1/2w * 0.051t * 226l (m/min ) 25,32,42,5...

  • Page 6

    3. Installation: 3.1 moving and lifting: unpack your machine carefully, and use a crane or forklift to set it in position. If a crane is used to lift the machine attach the lifting cable carefully to the machine as shown in the fig 2. If forklift is used then fig 3. Sufficient space should be left a...

  • Page 7

    3.2 foundation layout and set-up: (1) foundation: the foundation should be constructed of reinforced concrete and 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: ...

  • Page 8

    (2) leveling: the production accuracy of all precision machinery depends on the accuracy which the machine is installed. Manufacturing tolerance of the machine can only be guaranteed if the machine is firmly and properly installed . Once the machine is lowered on the prepared foundation. Machinist l...

  • Page 9

    4. Operation 4.1 control panel (1) pnc control panel cutting piece counter – this counter is used to preset the number of cuts required on the automatic operation. When the counter reaches the preset number, the machine stops automatically . To activate the counter, preset the counter switch with nu...

  • Page 10

    (2) pilot lamp -- this light will comes on when the power supply is on. (3) emergency stop -- this switch is used for emergency case to stop the machine only. Turn this switch clockwise makes power source on. When this switch is pressed, all machine's operation stop immediately. (4) hydraulic "on" b...

  • Page 11

    4. Operation 4.1 control panel (1) pnc control panel cutting piece counter – this counter is used to preset the number of cuts required on the automatic operation. When the counter reaches the preset number, the machine stops automatically . To activate the counter, preset the counter switch with nu...

  • Page 12

    (2) pilot lamp -- this light will comes on when the power supply is on. (3) emergency stop -- this switch is used for emergency case to stop the machine only. Turn this switch clockwise makes power source on. When this switch is pressed, all machine's operation stop immediately. (4) hydraulic "on" b...

  • Page 13

    4.2 operating preparation there are several steps will be taken before start the machine. (1) choose proper saw blade : select the saw blade best suited to the workpiece to be cut, size and shape of the workpiece , and type of material should all be considered when selecting the saw blade to be used...

  • Page 14

    (6) adjust the position of the wire brush : a. Loosen the lock lever of the wire brush case. B. Manually move the wire brush case so that wire brush just contacts the cutting edge of the saw blade. C. Tighten the lock lever. (7) adjust the feed rate : select suitable feed rate for the workpiece to b...

  • Page 15

    4.4 automatic operation : having finished all the procedures described above in (2) operating preparation ,and with the workpiece to be cut placed in the vise of the machine , but not under the saw blade. (1) turn the auto-manual selector to manual. In control panel – the front vise clamp the workpi...

  • Page 16

    Addition 1: amplifying valve ( optional ) (1.) the outlines and hydraulic circuits: (2.) set-up a. The hydraulic pressure indicated in line should be kept in constant during the whole stroke of the lifting cylinder, i.E. Between the very top and bottom position of the swinging saw frame. We use spri...

  • Page 17

    B. Re-zeroing knob "a" & "b" on the amplifying valve: for zeroing knob "a", there is a hydraulic pressure gauge as drawing needed, please plug it onto the outlet on the amplifying valve. Pressure read at line as the primary pressure............Pressure pressure read at amplifying valve as the second...

  • Page 18: 5. Maintenance

    5. Maintenance the maintenance of this machine is divided three portions as following. 5.1 hydraulic circuit 5 - 1.

  • Page 19

    5.2 oiling and lubricant the operator should be responsible for the proper lubrication of the machine. The grade and quality of lubricant are given in the lubrication chart below : oil lubrication chart lubricating point lubricant quantity oiling frequency 1. Blade tension device daphne fluid 32t fe...

  • Page 20

    5.3 others variables which affect bandsaw blade life 1. The operator - the operator is the most important variable at any test. He can make or break any test and often has a great deal of influence over whose bandsaw blades are used. He can also be a good source of information on what is going on, c...

  • Page 21

    12. Machine condition-whether a machine is old or new, and whether well maintained or not contributes to how well it runs and how long the band last. The better shape a machine is in, the better the bands will run. Poor machines ruin bandsaw blades. 13. Proper vises - the work must be properly held....

  • Page 22

    6. Trouble shooting guide the following charts contains some typical troubles along with the probable causes and remedies for each. 6.1 sawing problems and solution vibration during cutting failure to cut short life of saw blade curved cutting broken blade ○ ○ ○ ○ ○ use of blade with incorrect pitch...

  • Page 23

    6.2 minor operating troubles and remedies symptom probable cause remedy 1. Buttons do not function (1) power disconnected (2) circuit protector off (3) thermal relay activated (4) safety interlocks that is a. No workpiece is clamped in the vice. B. The saw frame is not fully raised to the height pre...

  • Page 24

    6.3. Error information the following table contains some typical errors along with the error details and remedies. Ah257_ bandsaws trouble shooting guide code error name 異常名稱 remedy 排除方法 00 正常停機 machine stops normally 1.Press blade-ascending button 按鋸帶上升按鈕 01 上升電磁閥異常 solenoid - ascending frame abnor...

  • Page 25

    異常編號 異常名稱 remedy 排除方法 20 21 22 鋸帶啟動按鈕卡死異常 starting blade button jammed 1.Eliminate breakdown 2.Press blade-ascending button 1.排除故障原因 2.按鋸帶上升按鈕 23 鋸帶下降按鈕卡死異常 descending blade button jammed 1.Eliminate breakdown 2.Press blade-ascending button 1.排除故障原因 2.按鋸帶上升按鈕 24 送料架前進按鈕卡死異常 feed-forward button jamme...

  • Page 26

    7. Reference charts 7.1 standard cutting chart material jis code blade pitch tpi blade speed m/min cutting rate sq c ㎡/min service life sq c ㎡/pce s20c-s50c s9ck-s15c s53c-s58c ss-50 ss-41 sm-50 scm-3 scr-3.4 snc-22 snc-1 sncm-22 sk-4 sul-2 sks-5 skh-2 suh-33 skd-61 skd-1 sus-27 sus-32 3m 3m 3m 3m 3...

  • 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...

  • Page 28

    7.3 standard cutting chart material aisi code no. Brinell hardness bhn blade peed fpm cutting ate sq in/min. Stainless steels 302,304 303,303f 308,309,310 314,317,330 316,420 321,347 410,420f 416,430f 430,446 440,a,b,c, 440f,443 130-170 150-200 160-220 160-220 160-220 165-200 140-185 155-195 170-215...