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Table of Contents
Summary of Contents for Tengzhou Uni-Tech GH4220
- Page 1 OPERATION MANUAL Double Column Band Sawing Machine Model GH4220...
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Page 2: Table Of Contents
Contents 1. Main Specification ........................1 2. Main Components of Sawing Machine..................1 3. Selection of Teeth Number of Saw Blade for Variable Stocks............2 4. Attention for Usage of New Saw Blade Selected................3 5. Installation Methods for the Saw Blade ..................4 6. Fixture Stock ..........................5 7. -
Page 3: Main Specification
1. Main Specification Parameter GH4220 Max. cutting range (mm) Φ200□200x200 Cutting speed (m/min) Three grade:27/45/69 Feeding speed adjustment Hydraulic stepless Blade model (mm) 2650x27x0.9 Clamping type Manual Main motor power (kw) Hydraulic pump power(kw) 0.55 Coolant pump power(kw) 0.04 Type of main transmission... -
Page 4: Selection Of Teeth Number Of Saw Blade For Variable Stocks
3. Selection of Teeth Number of Saw Blade for Variable Stocks Less 15 15-25 25-75 75-150 150-250 Cutting length (mm) 12-10 10-8 Teeth number (difficult) Teeth number (general) -
Page 5: Attention For Usage Of New Saw Blade Selected
4. Attention for Usage of New Saw Blade Selected Before loading the new saw blade, keeping the cleaning of the saw blade wheel and checking if coolant and hydraulic system work normally Fine and coarse teeth saw blade should be applied according to size of stocks, please check the above item 3 to choose the suitable saw blade for your stock so that no any teeth of saw blade broken. -
Page 6: Installation Methods For The Saw Blade
5. Installation Methods for the Saw Blade 1. Checking the saw blade and welding coupling before installation 2. Up rise the saw frame to 1-1.1m height, and open the front cover, follow the marks instruction (loosen and clamp) to rotate up the lead screw 5-7cm, loosen right and left landing legs’... -
Page 7: Fixture Stock
6. Fixture Stock See the Figure 1 for the clamping of variable stocks Figure 1... -
Page 8: Hydraulic System
7. Hydraulic System The hydraulic system was used for: Up and down of saw frame Blade feeding speed, system pressure:1.8-2.0Mpa Please see below figure for its structure Model Name Remark WU25-100 Filter CB-B6 Gear pump 6 liter YS712-4 Motor 0.55kw/1440rpm HDJ-10Y Throttle Valves 22C-10... - Page 9 Hydraulic Schematic...
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Page 10: Electrical Principle Chart
8. Electrical Principle Chart (See Figure 2) Figure 2... -
Page 11: Operation And Maintenance
9. Operation and Maintenance 1. Checking the power source with correct wire connecting and keep the suitable coolant liquid and hydraulic oil 2. Idle running machine and assure the machine with right rotating direction and fluent coolant and moving of up and down 3. -
Page 12: Usual Major Faults And Solution
10. Usual Major Faults And Solution 10.1 Mechanical parts Faults Main reason caused Solution Teeth broken High feeding rate Decrease the feeding rate Oversize teeth selected Change blade with smaller teeth Wrong fixture of irregular stock Revise the fixture No match up of blade Test blade firstly Teeth tip wear off High speed rotating of saw blade... - Page 13 Faults Main reason caused Solution Geometrical Low tension of saw blade Decrease the saw speed accuracy tolerance Split teeth or lower symmetry Change new saw blade Far distance between leading bracket and stock Adjust the distance less than 3cm Teeth wear out Change saw blade Un-perpendicular between saw blade and vise Adjust leading box...
- Page 14 Faults Main reason caused Solution Un-vacuum oil cylinder Discharge the air 10.2 Electrical parts Faults Main reason caused Solution No power supply and Power source no connecting Connect the power oil pump does not work once turning on the Short cut electricity Repair or change the breaker main switch Open the emergency stop button...
- Page 15 10.3 Hydraulic parts Faults Main reason caused Solution No Oil pumping Filter blocking Clean or change the filter Low oil level, should be 2-3cm higher Add hydraulic oil High oil viscosity Change the oil Oil foaming Low air exhausting Reciprocate moving up and down of saw frame and exhaust the air extremely Oil leaking...
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Page 16: Precautions
11. Precautions 1. Please read the manual books carefully and get to know this machine before operating 2. Balancing the machine after installation 3. Clean oil cylinder before adding oil, clean 32# oil is best choice, but 46# oil is required if environment temperature above 30℃ 4.
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