Mega H-330A Instruction Manual

Automatic full stroke

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Automatic BANDSAWS
FULL STROKE

INSTRUCTION MANUAL

MEGA MACHINE CO., LTD.
H-330A
DOC NO
H330A-FULL-100.U
CTRL NO
06
UPDATE
2007/9/13
DOC VER
A1

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Summary of Contents for Mega H-330A

  • Page 1: Instruction Manual

    Automatic BANDSAWS H-330A FULL STROKE INSTRUCTION MANUAL MEGA MACHINE CO., LTD. DOC NO H330A-FULL-100.U CTRL NO UPDATE 2007/9/13 DOC VER...
  • Page 2 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 circular sawing Machine, we would ask all operators and maintenance engineers to READ THIS MANUAL CAREFULLY BEFORE STARTING THE MACHINE.
  • Page 3: Table Of Contents

    TABLE OF CONTENTS 1. Introductory Illustrations 1.1 Principal parts ---------------------------------------------------------------------------- 1-1 2. Specifications 2.1 Specifications ----------------------------------------------------------------------------- 2-1 3. Installation 3.1 moving and lifting ---------------------------------------------------------------------- 3-1 3.2 Foundation layout and Set-up --------------------------------------------------------- 3-2 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...
  • Page 4: Introductory Illustrations

    1. INTRODUCTORY ILLUSTRATIONS 1.1 Principal Parts 1 - 1...
  • Page 5: Specifications

    2 SPECIFICATIONS 2.1 SPECIFICATIONS MODEL H330A SPECIFICATIONS 350W*330H (Mm) Cutting Capacity 13.7W*13H (In) Bundle Cutting (Mm) 264W*150H (Mm) 32*1.06*3920 Blade Size (In) 1 1/4*0.042*154.33 (M/Min) 25, 32, 42, 55, 70, 80 Variable Speed 20-80 M/Min Blade Speed (F/Min) 82, 105, 138, 180, 230, 260 Variable Speed 65-260F/Min (KW) Blade-3.75, HYD-0.75, Coolant-0.1 Motor Output...
  • Page 6: Installation

    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.
  • Page 7: Foundation Layout And Set-Up

    3.2 Foundation layout and set-up : 3.2.1 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: Contact portion with floor Position of anchor bolts Fig.
  • Page 8 3.2.2 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 levels should be used alternately on the vice slide plates and the work feed table , and adjust the left-and-right and fore-and-aft level of the machine with leveling bolt .
  • Page 9 3.2.3 Cleaning and oiling : After the machine has been placed in position , thoroughly remove its rust preventive coating using a suitable cleaning solvent and then apply a coat of machine oil . To clean the machine , Kerosene is preferable to gasoline .
  • Page 10: Operation

    4. OPERATION (Type 1) 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 number at least “1”.
  • Page 11 (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.
  • Page 12 4. OPERATION (Type 2) 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 number at least “1”.
  • Page 13 (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.
  • Page 14 4. OPERATION (Type 3) 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 number at least “1”.
  • Page 15 (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.
  • Page 16 4. OPERATION (Type 4) 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 number at least “1”.
  • Page 17 (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.
  • Page 18: Operating Preparation

    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 sonsidered when selecting the saw blade to be used .
  • Page 19: Manual Operation

    (7) ADJUST THE FEED RATE : Select suitable feed rate for the workpiece to be cut. This varies according to the size and shape of the workpiece, type of material , and what type of saw blade is being used. As a guide hard materias, wide workpiece or structural sections and tubing have to be cut at a slower rate that mild steel bar.
  • Page 20: Automatic Operation

    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 workpiece when turn switch NO.(8) right and press button NO.(6) 1.5sec in the same time.
  • Page 21 ADDITION 1: Amplifying Valve ( Optional ) (1.) The outlines and hydraulic circuits: (2.) SET-UP A. The hydraulic pressure indicated in line <p> 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 springs <r>...
  • Page 22 B. Re-zeroing knob "a" & "b" on the amplifying valve: For zeroing knob "a", there is a hydraulic pressure gauge as drawing <S> needed, Please plug it onto the outlet on the amplifying valve. Pressure read at line <p> as the primary pressure....pressure <p> Pressure read at amplifying valve as the secondary pressure..
  • Page 23: Maintenance

    5.Maintenance 5.1 HYDRAULIC CIRCUIT 5 - 1...
  • Page 24 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 Blade Tension DAPHNE FLUID 32T Twice a year Device...
  • Page 25: Others

    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 qreat deal of influence over whose bandsaw blades are used. He can also be a good source of information on what is going on, competitive situations, relationships with manufacturers or distributors, etc.
  • Page 26 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.
  • Page 27: Trouble Shooting Guide

    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 blade with correct pitch , Use of blade with incorrect pitch suited to workpiece...
  • Page 28: Minor Operating Troubles And Remedies

    6.2 Minor Operating Troubles and Remedies Symptom Probable Cause Remedy 1. Buttons do not (1) Power disconnected (1) Connect function (2) Circuit protector OFF (2) Turn on (3) Thermal relay activated (3)Push reset button (4) Safety interlocks that is a. Load workpiece a.
  • Page 29: Error Information

    6.3. Error information The following table contains some typical errors along with the error details and remedies. AH257_ Bandsaws Trouble shooting guide Error name 異 Code Remedy Machine stops normally 異 Solenoid - frame abnormal 異 Lower limit switch – descending frame abnormal 異...
  • Page 30 異 異 Remedy 異 Starting blade button jammed 降 異 Descending blade button jammed 料 異 Feed-forward button jammed 料 異 Feed –forward button jammed 異 Front vise opening button jammed Auto to leave unused overlong (5 minutes) 切 數 CLEAR Auto cutting piece counting over 2.Press the key, CLEAR...
  • Page 31: Reference Charts

    7. REFERENCE CHARTS 7.1 Standard Cutting Chart Material Blade Pitch Blade Speed Cutting Rate Service Life Sq c /min Sq c /PCE JIS code m/min S20C-S50C 50-70 42000-58000 S9CK-S15C 42-60 38500-54000 S53C-S58C 42-60 35000-58000 SS-50 42-60 38500-58000 SS-41 40-55 35000-54000 SM-50 40-55 35000-54000...
  • Page 32: Standard Cutting Chart

    7.2 Standard Cutting Chart Material AISI Brinell Blade speed Cutting rate code No. hardness Bhn Sq in/min 1108-1111 150-175 220-260 9.0-12.0 1112-1118 125-150 240-270 10.0-14.0 1115-1132 140-165 220-260 9.0-12.0 1137-1151 155-180 180-200 5.0- 8.5 1212-1213 150-175 240-270 10.0-14.0 1008-1013 150-175 220-260 7.0- 9.0 1015-1035...
  • Page 33 7.3 Standard Cutting Chart Material AISI Brinell blade speed Cutting rate code No. hardness Bhn sq in/min. Stainless Steels 302,304 130-170 80-90 303,303F 150-200 90-100 308,309,310 160-220 60-80 314,317,330 160-220 50-80 316,420 160-220 70-80 321,347 165-200 90-100 410,420F 140-185 100-110 416,430F 155-195 140-150...

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