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Plate Straightening Machines

Himalaya plate straightening machines are extremely efficient, work with great accuracy and reliability and are easy to operate and maintain.

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Himalaya plate straightening machines are extremely efficient, work with great accuracy and reliability and are easy to operate and maintain. Each straightening roll is crowned to compensate for deflection. This results into small diameter of the rolls, smallest possible distance between the rolls, increased range of operation and best straightening results. All rolls are mounted in high grade bronze bearings resulting into low drive power, low side pressure and low maintenance costs for the bearings.

    construction

Main components of the himalaya plate straightening machines are fabricated machine-body with the roll system and the driving gears. Body housings are rigid and made from welded steel plate construction which is resistant to torsion even under peak loads in continuous service. The upper part of the body contains the drive system for the vertical adjustment, the upper straightening rolls and the two auxiliary rolls. All transverse forces are absorbed by guides built into the upper and lower part of the body.

    roll system

The roll system consists of 5 or 4 or 3 upper and 4 or 3 or 2 lower straightening rolls and the two auxiliary rolls. The auxiliary rolls, one of them arranged at the entry side and the other at the exit side in the top part of the machine body, can be vertically adjusted under load independent of each other. They are well supported (against backlash) even when thin plates requiring correspondingly low straightening force are being processed.

    drive

The main drive is effected by a reversible induction motor. The transmission to the spur gears is through a heavy coupling. All high speed shafts including the spur gears are mounted in antifriction bearings. The upper roll system is brought into working position through reversible induction motors.

    operation

The machine can easily be operated and supervised and the straightening process can be watched closely from a control desk containing all controls. The distance between the upper edge of the lower roll and the lower edge of the upper roll is indicated on the dials mounted at the nondriving side of the machine. The squirrel cage reversing motors similarly mounted on the drive side of the machine effect the adjustment of the two auxiliary rolls. The degree of adjustment is indicated on two dials at the feed side of the machine. The adjusting ranges of the upper roll system and of the auxiliary rolls are limited by limit switches.

    maintenance

The machine requires little maintenance. All lubrication points which are not connected to the oil circulating lubrication system of the main drive or to the oil plunge lubrication for the adjusting gears of the upper roll system are supplied by an automatic central force feed lubrication system. All machine elements requiring occasional cleaning or readjusting are easily accessible.

    capacity

Machines are available for plate straightening from 6 mm to 100 mm sizes in spans of 1500 mm upwards.

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