Heavy-duty stainless steel coil slitting machine
Metal coil slitting line: The slitting line is the longitudinal cutting of large metal coils into narrower coils. Generally, the slitting line is divided into four main parts: decoiler, slitter, tensioner and coiler. The metal strip is fed from the decoiler, cut longitudinally by two circular cutting blades through the slitter, and then rewinded into multiple strips on the winder through the tensioner.
Brief introduction
ZJX-3.5X1600mm steel coil slitting line is used for slitting the steel coils to prepare for the next process.
1. Hydraulic entry coil car
◆The car can move levelly and vertically, which is convenient for putting the steel coils into the de-coiler.
◆It is driven vertically by φ200mm hydraulic cylinder with 4 guide pillars
◆The level movement is driven by XWD2.2-63-121 cycloid motor
◆Capacity: 20T
◆Function: It is used to lift up and down, move forward and back to make it easy to load the coils on decoiler. Hydraulic controls lifting, motor drives moving. The car is controlled on the auxiliary control panel. Its moving speed is 6-7m/min. When the coils on decoiler, the car will return back to the start position. It can also carry back the unfinished coils from decoiler.
2. Hydraulic decoiler
◆4KW motor drives the decoiler running and the hydraulic drives it expand and shrink.
◆Expanding model: oblique slider is driven by hydraulic oil cylinder.
◆Max loading weight: 20T
◆Mandrel: 45# steel processed by heat treatment and the diameter is φ219mm. It is home-made by our company.
◆It is designed with the supporting stand which is driven by hydraulic to ensure the heavy weight of coils can be loading.
◆It is designed with the press arm, the roller is made by rubber, this design is used to prevent the coils from loosing.
3. Hydraulic Press and pinch device(30KW AC)
◆It is good for improving the plates' surface and do straightening then guiding the steel plates into next process.
◆It is made by drive device , 2 pinch roller and 5 leveler rollers and frame.
◆The gap between rollers can be adjusted manually to make sure the leveling quality.
◆Drive model: all the rollers and gear box drives by 30 KW motor
4. Hydraulic Cutter
◆Adopt two columns structures can cut the 3.5X1600mm steel plates
◆The up and down blades which are alloy material 9CrSi can adjust their gap;
◆It can cut from up to down by hydraulic
◆The machine is used for the steel shear and to make the plate easy to slitting machine. And can also cut the big coils into small coils
5. Looper
◆The roller-table lift up and down by hydraulic. All the rollers on the table is chromed and between the rollers, it is designed with the Bakelite plate (Function: can prevent the sheets from scratching)
◆At the exit part of the roller table, it is designed with the pre-dividing device.
◆The size of the pit: 4000mm(L)x2000mm(W)x6000mm(D)
6. Side guide device
◆It uses the vertical rollers of both sides to guide the plates into the slitting machine correctly.
◆The guide rollers are adjusted by the rods on both sides . The width range is 500-1600mm.
Function : it is used to prevent the sheet running to the wrong way. On both sides of the plates width way , the stand rolling are fixed on their own position and can adjust the width manually to match the different width plates. There are 4 rollers (quenching HRC55-58) which divided into 2 rollers on each side.
7. Slitter (90KW DC )
◆Power part: consist of the drive base, decelerator, 90KW DC motor, gear distributor box, coupling, spindle, connecting-cover, etc.
◆Host machine: This is composed of bottom-stand, fixed bracket, big slide, knife pivot(φ220mm, 2pcs), movable bracket, slide, the front and back adjustable device of bracket, knife pivot lifting and pressing down adjustment device.
◆Knife pivot press down device adopts the motor to lift up and down.
◆It change the blades through moving out the bracket hydraulically and is very convenient and fast.
8. Scrap winder (4KW )
◆It consists of base, the shaft and plate for scrap material, friction wheel, supporting wheel chain, chain, decelerator and 4Kw motor ,etc.
9. Looper
◆The roller-table lift up and down by hydraulic. All the rollers on the table is chromed and between the rollers, it is designed with the Bakelite plate (Function: can prevent the sheets from scratching)
◆At the exit part of the roller table, it is designed with the pre-dividing device.
◆The size of the pit: 4000mm(L)x2000mm(W)x6000mm(D)
10. Tension stand
◆It is composed of the base,pre-dividing device, tension press device and so on . It is used to divide the strips and adjust the tension power for rewinding to ensure the rewinding quality.
◆It is designed with two dividing device and press device. One hydraulic block device and two roller device.
◆The press rollers as well as the two-roller device at the exit part are equipped with the air cylinder to control the lifting.
◆The dividing shafts adopts the linear slider design which is convenient to change the slitting requirements according to cutting demand.
11. Recoiler (132KW DC)
◆It is composed of frame, bearing seat , recoiling shaft, expandable device, supporting decelerator,132KW DC motor with low speed big torque.
◆It adopts the hydraulic expand and shrink to tight the coils inner diameter.
◆Designed with 8-fan-shaped plates which can be a round circle and machining as a whole to ensure the recoiling quality. It is designed with clip mouth and clip the strips heads.
◆It is designed with the hydraulic press arm equipped with the spacers to guarantee the even rewinding quality.
◆Designed with the seamless expand and shrink structure and clip-mouth so that when the strip heads insert into the clip-mouth, it will close automatically and start winding.
◆It is equipped with the pushing plate which is used to help pushing the coils to the coil car.
12. Exit coil car
◆ It is driven vertically by φ200mm hydraulic cylinder with 4 guide pillars.
◆ The level movement is driven by XWD2.2-63-121 cycloid motor
◆ Capacity: 20T
◆ The car can move levelly and vertically, which is convenient for carry the coils off from recoiler.
13. Hydraulic system
◆1 set hydraulic control station, control valve, and oil pipes . It is controlled by 11KW AC motor.
◆ It is designed with the pressure storage device. When reach up to the certain amount, the motor will stop working automatically. This design saves the power consumption.
◆And it is equipped wind-cooling system to ensure the hydraulic works in the stable environment.
◆Hydraulic station, oil pipes, joints and valves .etc.
◆Ensure all the hydraulic parts function.
◆Hydraulic system working pressure 6.3-16Mp.
14. Electrical system
◆Includes the electrical cabinet, operation panel and DC controller.
◆590 DC controller and PLC control system, LCD touch screen system . Center control and make the speed in-phrase.
◆Machine installing capacity around: 280 KW. Power supple: 380V, 50HZ.
15. Spare parts with the machine: any others beyond this list is an extra. Should be paid extra(It can slit 9 strips)
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