Four Roll Linear Axis hydro Manual – (Model No. 4R----LAHM)


Working Principle



Sr. No Particular Remark
MODEL CODE 4 R LAHM
1 PRE BENDING YES
2 ROLLING/BENDING YES
3 MAX ROLL WIDTH 4000 MM
4 MINIMUM THICKNESS 1 MM
5 MAX. THICKNESS 80 MM
6 PRODUCTION RATE NA
7 SIDE ROLL UP DOWN FOR RADIUS FORMING BY HYDRAULIC CYLINDER
8 SIDE ROLL ROTATION BY HYDRAULIC MOTOR
9 ROLL POSITION INDICATOR DIGITAL INDICATOR
10 ALL FUNCTIONS ACTUATION MOBILE CONTROL VALVES

Four Roll Linear Axis hydro Manual – (Model No. 4R----LAHM)

The machine is most economical model among all plate bending machine and is most useful for small fabrication shop.

Advantages :
  • Specially developed low cost economical manual operated machine with motorised roll rotation, a perfect machine for engineering work shop.
  • Since this being a four roll machine the un-bend flat is minimum and smallest possible diameter is much tighter compared to 3 roll machine.
  • Since all rolls are mounted in roller bearings the electrical consumption is less by 50% compared to conventional pyramid type machine.
  • Small engineering workshop willing to invest less still automate rolling.
  • Open type rolling requiring mass production qty.
  • This machine can be used where different operations like pre bending, rolling, material straightening ,Conical rolling, section rolling need to be carried out in single machine.
  • Since all roll movement and roll rotation is through hydraulic actuator, only one person is required for operating the machine without efforts.

Special Features

The machine frame is fabricated from all tested steel plate material. A Die Penetration test is carried out on all weld joints to ensure sound weld quality This frame is subjected to stress relieving, sand blasting and epoxy primer painted for corrosion free long lasting machine life.( Primer paint 160 DFT) The complete body frame is machined in CNC machine to achieve built

A tilt able control desk is conveniently located on machine. The main panel start / stop buttons and roll rotation fucntion (Reverse / forward) is provided on the same. The Top roll left side position and right side position are indicated separately by four digital meters

A specially designed & built mechanism allows drop end frame to tilt down in horizontal position without much efforts (one person can perform job). No need to dismantle frame from main body like in conventional machine. The top roll can be tilted to great degree of inclination making it most convenient and ease to remove rolled shells without any difficulty

All our machine rolls are mounted in heavy duty roller bearings. Each roller is fitted with two bearing per side (four bearing per roller)

A dual cone bending device can be provided as shown. The attachment provided between bottom rolls is suitable for narrow cone diameter. The attachment to be fitted on a main frame is suitable for cone having wide angle.

An extended rolls can be provided for mounting dies to roll different sections like angle, channel, beam, pipe or flat etc.

Tilt able top roll makes it more convenient to remove rolled shell with ease



Standard Featues
  • Both the top and bottom rolls are positively driven by inline mounted planetary gear box and hydraulic motor.
  • All rolls are manufactured in alloy steel material.
  • Separate digital roll position meter for each side of roll makes it easy to maintain parallelism between top and bottom roll.
  • Manually operated drop end frame tilting for ease of job removal.
  • Possible to place side roll in inclined position for conical rolling.









Optional Featues
  • A special alloy steel material for Hardened rolls. Hardness up to 52-60 RC.
  • All 3 rolls (top and side rolls) / all 4 rolls (top, bottom and side rolls) are positively driven.
  • A seprate cone bending attachment can be provided for narrow diameter cone forming.
  • Tilt able top roll for ease of removal of duly rolled shells.
  • Cone bending arrangement between bottom rolls for smaller diameter cone rolling.
  • Extended shaft for section rolling die mounting for rolling of section like angle, channel, beams, flats, pipes, bar etc.
  • Feeder table.
  • Sinking type reference plate for initial reference while feeding the plate inside the machine.
  • Section bending dies.
  • Overhead support
  • Lateral support
  • Auto plate squaring reference stopper