J-series High Efficiency Automatic Stiffener Plate Element Straightening Machine
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J-series High Efficiency Automatic Stiffener Plate Element Straightening Machine

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In the former three production sections we introduced Usage/ Nomination/Working Principle/ Parameters/ Structure/ Main Components/ Hydraulic system of J-series Ribbed plate unit straightening machine. In this section we will go on to have explanation on its operation.

 

   1. Put into Use of J-Series Stiffener Plate unit Straightening machine for Large Section Beam:

    We discuss this in the sequence of working process of the machine.

    1) Workpiece Send in:

     a) The workpiece is feed into main body of gantry frame by way of input conveyor;

     b)The supporting rollers mentioned before is for raising the workpiece and putting it onto the bottom 

       straightening roller. Its revolve transmission is engaged with that of the bottom straightening rollers 

       by means of chain-sprocket couples;

     c) For this purpose, the supporting rollers has vertical stroke of 40mm driven with hydraulic cylinder. 

       When the Rib plate unit straightening machine is in straightening, its surface is 20mm lower than that

       of input conveyor; When workpiece is sent in, it rises and has its surface 20mm higher than that of input

       conveyor, supporting the workpiece and then lower the workpiece onto the bottom straightening roller;

     d) For the easy control of workpiece manipulation with this Ribbed plate straightening machine, the front 

      and rear supporting rollers work individually; Their extreme positions of top and bottom are at same level;

   2) Straightening Process:

   a) Protection:

    i. Surface of the bottom straightening rollers is 5mm higher than that of conveyor;

   ii. This means, when this Stiffener plate straightening machine is in straightening, both the front& rear 

      supporting rollers and conveyor rollers have its surface height lower than that of the bottom straightening

      rollers;

   iii. In this way, the supporting rollers and conveyor rollers will not be affected with straightening process and

       got protected in the largest degree;

   b) Adjustment:

    i. This is the critical or core step of straightening process of the Stiffener Plate element Straightening equipment;

   ii. The top straightening rollers of each set of straightening unit can be moved both up& down for various 

      thickness of workpiece, and leftward& rightward for various span of stiffeners;

   iii. Please check attached picture. There is ruler fit on the lateral side of the top straightening rollers, to have its

      vertical movement precisely controlled;

    iv. Please check attached picture for operating panel of the Stiffener plate unit straightening equipment. Its 

       three sets of straightening units are manipulated separately;

    v.  For each set of the straightening unit, its top rollers are managed up and down, or horizontally by means of

      the corresponding toggle switch; Its bottom roller can be moved horizontally with its toggle switch also;

    vi.  Rollers of input and output conveyors can be raised up or lowered down respectively;

    vii. Management on the entire equipment of this Rib plate element straighten machine, including Power On&

       Off/ Hydraulic system On& Off/ Conveyor FOR& RVR, can all be realized with the machine;

    viii. There is Emergency STOP button on the panel, for contingency control of this Ribbed plate unit straighten

       equipment.

 

   2. Parameters of J-Series Stiffener Plate unit Straightening machine for Large Section Beam:

   Model

Parameter

 

J20

J28

Workpiece Width

1000 ~ 3000mm

Straightening Thickness

8~ 20mm

8~ 28mm

Quantity of Straightening   unit

Three sets

Top Straightening Roller   Transverse Stroke

4000mm

Min. Span of Top   Straightening Roller

700mm

Range of Interval of   Stiffeners

225-700mm

Surface Height of Input   and Output Conveyor

600mm

Hydraulic System Rated Pressure

25 MPa

Max. Pressure of Solitary   Straightening unit

30 Ton

Specification of Bottom Straightening   Roller

High Pressure Oil   Cylinder D125/d70-S200

Straightening Speed

6m/min

Vertical Stroke of   Supporting Rollers

40mm

Straightening Roller Motor   Power

15.0 kW

Hydraulic Station Power

5.5 kW

Positioning and Detection   of Transverse Movement of Straightening Rollers

Zero Position set with   Proximity switch;

Detected with encoder

Electricity Power   Specification

3P AC380V 50Hz (for Chinese   market)

 


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