Rolling machine for sheet metal Rolling machine for sheet metal

Rolling machine for sheet metal

Plate bending machine for sheet metal which is purpose-built to delivery reliable performance that you can depend on. The metal rolling machine metal sheet is a no- nonsense rolling solution that is practical and efficient . Combing advance rolling technology into a whole unit.

Rolling machine for sheet metal delivers multiple advantages to your fabrication infrastructure – a remarkably increased rolling capacity. It reduce capital expenditure, and lower ongoing operational costs. They are the most attractive investment for heavy plate thickness (Above 80 mm) applications.

Rolling machine for sheet metal which is purpose-built to delivery reliable performance that you can depend on. The metal rolling machine metal sheet is a no- nonsense rolling solution that is practical and efficient . Combing advance rolling technology into a whole unit.

Rolling machine for metal sheet delivers multiple advantages to your fabrication infrastructure – a remarkably increased rolling capacity. It reduce capital expenditure, and lower ongoing operational costs. They are the most attractive investment for heavy plate thickness (Above 80 mm) applications.

Large working stroke is good to get better plating rolling effect and can roll more thicker plates than similar 3-roller or 4-roller plate rolling machine for metal sheet. It widely used in petroleum, chemical industry, cement, boiler, ship building, aviation. Water conservancy, power transmission towers and other machinery

Adopting 3-roller symmetrical structure with the upper roller moving vertically in the center between the two nether rollers. Metal sheet rolling machine is achieved through the drive of the screw, the worm and the lead screw

Nether two rollers rotate and provides the plate materials with torque. The press ability through the engagement of the output gear of the moderator with the gear of the lower rollers.

Main feature of upper roller universal rolling machine for sheet metal

  • Horizontal movement of two nether rollers, lower working height requires smaller foundation pit. And smaller foundation bolt load .
  • During pre-bending and rolling, the plates always keep in a horizontal position so that the working pieces move easy.
  • Small nether roller center distance is conducive to the pre-bend of thin plate. Rolling machine for metal can meet the requirement of pre bending of various diameters.
  • The upper roller used as a traditional bending machine.
  • Large working stroke is good to get better plating rolling effect. Metal sheet roller roll more thicker plates than similar 3-roller or 4-roller plate rolling machines.
  • Induction hardening forged rollers or SAE1050 rolling steel rollers.
  • Conical bending device.
  • Compact design facilitates the transportation of medium or large machines into the container.
  • Solid and geometry structure make it easy to operate.
Rolling machine for sheet metal

Structure of upper roller universal sheet metal rolling machine

  • The upper roller designed to drum shaped. Generally, the load coefficient of the upper roller pressure is 0.7. The roller hardness processing steps can divided into two steps, the tempering and hardening hardness is HB240-280 and surface medium frequency quenching HRC45-52, as shown in the figure:
  • The two ends of upper roller equipped with double row center-adjustable bearing
  • Double row and double row aligning bearings arranged in upper roller bearing seats at both ends.
  • Whole of the metal rolling machine includes the upper roller, the upper roller lifting device, the nether roller.
Rolling machine for sheet metal

Rolling technology of metal sheet plate roller machine

  • Lifting the upper roller make the distance between lower busbar and the upper busbar of lower roller. A little larger than the plate thickness then feed the plate horizontally until the end of the plate in full contact with the baffle on the side of the working roller for alignment.
  • Moving the upper roller according to rolling requirement, adjust the lower roller to make inching and rotate to pre bending the end of the plate according to the curvature.
  • The length of sheet clamped by upper roller and lower left roller is 1.5-2.5 times than plate thickness. During the pre-bending, the oil cylinder pressure adjusted to 5-20MPA according to different thickness.
  • This step is easy just change the roller position then pre bend another end.
  • Final bending divided into several steps, control the upper roller down to the middle position of the plate for the initial bending, control the lower roller rotation to make the direction of rotation consistent with the plate feed direction.
Rolling machine for metal sheet

Professional controller of rolling machine for metal sheet

  • Human machine interface with intelligent operation .
  • Self-compensation standard with high efficiency and safe function as well .
  • Meet standard of CE and ISO9001 requirement.
  • Automatic controlled by the system, there’s no need additional processing steps for bending the ends for professional engineer.
  • With our three rolls plate bending machine, plate bent on both side without return.
  • The flat edge is 1.5-2 times of the thickness.

Manufacturing process of main parts for rolling machine for metal sheet

  • Working rollers: Check performance-forging annealing – UT flow-roughing(mechanical tests) – heat treatment(hardening and tempering)-UT flow-semi finishing – finishing
  • Large forgings: Cylinder body ,gear shaft forging roughcast – surface inspection – roughing – UT flaw – detector heat treatment – finishing semi – finishing
  •  Welding structure: rack, chassis, wheel box
  • Plate into the factory (chemical composition analysis, mechanical properties test) for sheet metal cutting – welding – seam UT or Rt flow – annealing treatment – roughing finishing – vibration destressing – hot blasting – finishing
Rolling machine for sheet metal

Working principle and design according to CE for rolling machine for sheet metal

  • The offloading device used after the round cylinder have finished, before leaving the left bearing seat, raised the upper roller to standard height, and make the upper roller stop with balance pull rod at the bottom of upper roller, then draw out pin shaft on the titling bearing seat, overturn the tiling bearing seat ,then the coiled product can emerge from one end of the upper roller.
  • The design meets EU international standards. The fuselage eliminates internal stress by annealing and ensures higher precision and strength All machines designed using SOLID WORKS 3D programming and made with enhanced ST44-1 quality steel with the latest technology.
  • Consists of the operation part and the transmission part which welded at the whole bottom pallet. The operation part consists of left and right bearing housing, one upper roller, two lower rollers, lifting gears and some accessories. The lower roller is the main one, the upper roller adjusted to the height. The transmission part consists of the main motor, speed-reducing motor and other accessories.
  • Operation part consists of left and right bearing housing, one upper roller, two lower rollers, lifting gears and some accessories. The lower roller is the main one, an upper roller adjusted to the height. The transmission part consists of the main motor, speed-reducing motor and other accessories.
Rolling machine for sheet metal

Structure of the upper roller for rolling machine for sheet metal

  • The top roller does the movement of elevation in the central position of the two bottom rolls. It’s transmitted by screw nut and worm gear. Two bottom rolls are main drive rolls.
  • They rotate by the meshing between the output gear of the gear box and the bottom roller and supply the torque for bending plate.  
  • It’s compact, maintain and very easy to operate metal sheet rolling machine.
  • The lower roller is driven by the main motor through the main reducer. The main reducer output shaft transmits to the two lower rollers through a group of the gear wheel. The roller driving direction is switched by the main motor.
Rolling machine for sheet metal

All electrical components and important parts from high quality brands for rolling machine for metal sheet

  • The main components are: three 45 steel forged rollers, HRC3545, the support 
  • Frame is welded, the process after being welded, the lower pallet is a welded part. 
  • Ball bearing screw and worm gear are 45 steel forged parts,all of the electrical components from Schneider.
  • The lower roller is driven by the main motor through the main reducer. The main reducer output shaft transmits to the two lower rollers through a group of the gear wheel. The roller driving direction is switched by the main motor.
  • Hydraulic System From Japan Yuciyuken
  • Yuciyuken integrated hydraulic valve block and hydraulic transmission with high reliability .
  • Integrated hydraulic system can alleviate problems cause by leakage of hydraulic fluid to improve the working efficiency and rolling precision

The function of the offloading device for stainless steel rolling equipment

  • The offloading device is used after the round cylinder have been finished. Before leaving the left bearing seat raises the upper roller to standard height.
  • Make the upper roller stop with balanced pull rod at the bottom of upper roller. Then draw out pin shaft on the tilting bearing seat, overturn the tilting bearing seat, then the coiled product can emerge from one end of the upper roller.
Rolling machine for sheet metal

When you operate the metal sheet rolling machine ,what should we note ?

  • There must be specified person in charge of roll bending machine.
  • The operator must be familiar with structure, performance and usage of machine.
  • The operator can turn on roller under specified charger agreement.
  • Carefully check the safety system before running machine.
  • Hands and feet are strictly prohibited on rollers, transmission parts and workpieces during processing.
  • After work interruption, should put clutch on neutral position.
  • When several workers collaborate process, must have guider’s command.
  • No overloading.
  • The up-down and rollover of upper roller, the reset of bearing, also the balance of upper roller, must conduct after main drive close down.
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