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1. Cut the material head and rear part while feeding into the finishing mill., 2. cut the material if any failure occurs. - details see: https://www.machineto.com/flying-shear-machine-steel-shearing-machine-10164143

The function of the flying shear

1, As the head and rear part of the rolling parts have some defect or the temperature of steel is too low, the flying shear need to cut the head and rear to insure the quality of the rolling parts before it gets into the finishing mill.

2, The flying shear will cut the rolling parts immediately if any failure occurs to the finishing mill, then the switch will turn the parts to snap shear to snap.

Main technical performance

Steel to be processed	Carbon steel, low alloy steel
Material diameter	dia12.7—dia18
Rolling speed	7-12m/s
Cutting temperature	850°C
Product length	150~230mm
Rotary sword diameter	800mm
Motor power	112KW
Motor speed	255-465r/min

Equipment composition and structural characteristics.

Flying shear is composed by transmission equipment, cutting support base and upper & lower spindle. Rotary tool rest has installed backsword, two spindles which are parallel with start-stop work system. Tool rest makes one revolution to finish one cutting period. Motor drive the spindle through reduction gears and make the upper, lower spindle rotated through the gear.

The lower spindle is connected with transmission equipments. Motor adapt separately ventilated machine and equipped speed measuring motor to measure the speed of the direct motor. Safety gear coupling is installed between the motor and reduction gears to insure the safety to use the equipment.

Cutting support base is a welded case with four-layers, it has four gear rolls inside, including upper, lower spindle and the others are transition gear rolls

Upper spindle has optical-electricityencoder to control the start-stop position of the shear blade in the processing of the cutting.

Lubrication

Recycled lubrication is adopted for internal gear and bearing of the shearing machine with dilute oil supplied by outside dilute oil station. Sump lubrication is applied for redactor.