| Customization: | Available |
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| Warranty: | 1 Year |
| Type: | Band Sawing Machine |
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Product parameter of NST4240
|
Mode |
NST-4240 |
|
|
Max. Cutting Diameter |
Round: 400 |
mm |
|
Square: 400*500 |
mm |
|
|
Blade Speed |
15-60 |
m/min |
|
Blade Size |
1.1*34*5300 |
mm |
|
Motor Output |
5.5 |
kw |
|
Hydraulic Pressure |
1.5 |
kw |
|
Coolant Pump |
0.09 |
kw |
|
Machine Size(L*W*H) |
2700*2100*1900 |
mm |
|
Machine weight |
1.4 |
ton |
|
Vice clamping |
Hydraulic+Manual |
|
|
Blade tensioning form |
Manual+hydraulic |
|
|
Feeding cut adjust way |
Dual Hydraulic valve governor |
|
|
Feeding way |
Hydraulic platform feed |
|
|
Hydraulic cooling way |
Water cooling |
|
|
Chip conveyor way |
Automatic |
|
|
Voltage |
380V 50HZ 3Phase |
|
|
Table height |
720mm |
|
|
Single positioning size |
420mm |
|
|
NC controller screen |
Chinese and English |
|
|
Single tail |
50mm |
|
|
A whole bunch of tailing |
80mm |
|
|
Size positioning way |
Magnetic scale positioning |
|
main structure:
1 Base section
The entire base is a box-shaped structure welded by A3 steel plates. The left side of the base is a hydraulic tank, and the right side is a cooling tank. After the base is welded, it is subjected to vibration aging to remove the welding internal stress.
2 beam and the Orientation Section
The beam is a steel plate welding part. It consists of a worm gear reducer, a saw wheel, a guide device with a saw bar, a protective cover, and a saw strip tensioning device. The cylinder cover and the beam are one, which greatly enhances rigidity. The guide part is divided into saw beam guide and saw bar guide part. The guide part of the saw beam consists of a large diameter column and a supporting column. By taking up and down the cylinder for the action direction of sawing in and out of the knife, the reasonable structure layout makes the sawing direction more stable and the accuracy higher. The saw guide consists of a pair of guide arms and a guide head. The guide head distorts the saw bar around the edge of the saw wheel into a vertical state with the work table, making the cut material cut vertical.
3 main transmission system
The main transmission system consists of a worm gear reducer, a triangular belt wheel, and a main motor. The worm wheel is made of tin bronze materials and is processed on a precision roller hob using a precision worm hob. After harrowing, the worm is ground in a precision worm grinder with high surface finish and high precision. The box body adopts HT250 cast iron, which guarantees the processing accuracy with the special boring mode, and the worm wheel has a long service life. The output end of the worm wheel box is connected with the active wheel, and the slave wheel is rotated by a saw bar around the rim to perform rotary cutting.
4 Saw strip tensioning device
It consists of tensioning handle, Zhangjinsi rod tensioning drawing board, tensioning sliding block, hollow adjusting screw, etc.. By tightening the wire bar adjustment, the saw bar can be tightened and relaxed and replaced. It is also possible to adjust the angle relationship between the saw wheel and the beam plate through hollow adjusting screws.
5 feed positioning system
The feed positioning system consists of a feeding bed body, a linear guide rail, and a roller. The positioning is controlled by a grating ruler. The positioning error is ± 0.2 mm. When it is sent to the sawing setting data, the feed is stopped and sawn. One-time feeding trip: 420mm
6 Hydraulic system
The hydraulic system consists of a hydraulic motor, a pump, an electromagnetic valve, a speed regulating valve, an oil cylinder, a tubing, and a fuel tank. The required operation is completed through the output of the electrical system.
7 Electrical systems
The electrical system consists of Transformers, contactors, touch screens, PLCs, converters, relays, proximity switches, conductors, and switches. By entering data and parameter settings into the touch screen, and the hydraulic system, to complete a series of sawing action requirements.
8 Protection devices
The protective devices are divided into safety protection and electrical system protection. The safety protection devices include saw wheel Shields, belt wheel Shields and other facilities. These facilities are facilities for the protection of personal safety and must not be demolished at will. Electrical system protection includes the main circuit overload protection, motor overload protection, saw bar break stop protection.
9 Cooling system
The cooling system is divided into saw-cut cooling and hydraulic oil cooling. By pumping the coolant into the cooling line, the saw strip is cooled and the sawdust is washed so that it is sawn more smoothly. Hydraulic oil cools the hydraulic oil flowing through the back pipe through the cooler and then returns to the hydraulic fuel tank, so that the oil temperature remains stable and does not rise during work, so as to ensure the normal and stable work of the hydraulic system.
Technical Character:
1. Saw-cut accuracy: at size 400 × 400mm, the vertical error of the upper and lower thickness, and the vertical error of the left and right
Under knife pressure at 3mm/min slow speed. Error ≤ 0.50 mm
Under knife pressure at 5-6mm / min speed. Error ≤ 0.70-0 .80 mm
2. Install Chrome + grinding on the guide cylindrical surface of saw beam.
The precision of the matching gap of the guide copper sleeve is matched with the precision of the small gap at the factory to ensure that the feed is smooth when sawing.
3. All hydraulic valves are selected with famous brands such as Taiwan to ensure that sawing runs smoothly.
4. The hydraulic tensioning structure is urgently selected for automatic adjustment. (marked as manual clamping).
5. Automatic chip disposal device meets the convenience of sawdust and recycling function. (marked manual).
6. The front and rear protection is also satisfied to prevent spatter and overflow to the floor of the workshop.
7. The blade angle torsion device must meet the flexible structure of the front-end preparation torsion bearing, and the hard alloy rigid guide wheel at the rear end, and has high accuracy to ensure that the saw blade runs smoothly during the sawing process.
Details display
Product performance
Client`s special requirement will be welcome!
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