2016年6月23日星期四

Plate shearing operation and matters needing attention

Safety operating procedures for plate shears:
1, before the operation should wear protective clothing, cuff buckle, coat bottom hem can't open, not next to the start of the machine wear and take off to change clothes, or Wai cloth on the body, to prevent the machine strangulation injury. Must wear a safety helmet, braid should be put into the cap, not wearing a skirt, slippers.
2, cutting plate machine operator must be familiar with the main structure, performance and use of plate shearing machine.
3, cutting machine [1] applicable to shear the material thickness machine rated value of all kinds of steel, copper, aluminum and non metal materials and must is no hard mark, welding slag, clip slag, weld material, don't allow the thickness.
4, the use of plate shearing machine:
A, according to the thickness of the material to be cut, adjust the gap between the blade.

B. According to the material was cut to adjust the width of copying or fixture.
C, plate shearing machine before the operation of the first 3 - 1 air travel, normal after the implementation of the shear work.
5, the use of such as the discovery of the machine running is not normal, should immediately cut off the power down inspection. Inlet pump
6, adjusting the machine, you must cut off the power, when moving the workpiece, should pay attention to the safety of the hand.
7, shear ministries should always maintain machine lubrication, each class should be operators fill lube once every six months by the mechanic of rolling bearing parts lubricating oil filling a.
The matters that should be paid attention to in the course of using the shearing machine:
1 start cutting machine machine for idling several cycle, to ensure that in normal circumstances, try to cut different thickness from thin to thick. To ensure that users are familiar with the performance of plate shearing machine.
2 the different thickness of the plate must be adjusted to different blade clearance. If the gap between the corresponding blade is not adjusted, then the blade durability is affected.
3 shearing machine in the shear process to open the pressure gauge switch, observe the oil pressure value, shear 12mm plate pressure should be less than 20MPa. This remote pressure regulating valve No9, the factory pressure setting 20 - 22MPa, the user must comply with this requirement, not to cut the material surface to increase pressure, resulting in damage to the machine.
4 sound balance during operation. If there is noise, and should stop check.
5 shear plate machine operation when the fuel tank to increase the temperature of <60 degrees over time off the rest.
Two, plate shearing machine maintenance method:
1, in strict accordance with the operating procedures for operation.
2, each boot according to the lubrication chart requires timing, fixed point, quantitative add lubricating oil, oil should be clean without precipitation.
3, the machine must always keep clean, not part of the anti rust paint.
4, motor bearing lubrication overflow oil should be changed regularly filling, and always check whether the normal work of safe and reliable electrical parts.
5, regular inspection of the triangle belt, handle, knob, keys are damaged, serious wear should be replaced in a timely manner, and to supplement the spare parts.
6, regularly check the repair switch, insurance, handle, to ensure that the work is reliable.
10, 7 minutes before work every day, the machine tool lubrication and cleaning machine.
8, is strictly prohibited non designated personnel operating the equipment, usually must be done away from the machine.
Hydraulic shears is owing to a circular motion, and arc blade making and difficult, generally with blades do pad iron compensation, so the income gap is not accurate, cut out of the sheet is not very ideal, because it is the arc movement, the blade is not made of rectangular shape, but should made into an acute angle, so the stress condition of the blade is not ideal, damage the blade also more powerful.

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