Classification of shears:General shears can be divided into: pedal type (manpower), mechanical type, hydraulic swing type, hydraulic brake type. The shearing machine uses a moving upper blade and a fixed lower blade, and uses a fair blade gap to apply shearing force to metal plates of various thicknesses, so that the plates can be broken and separated according to the required size.
Working principle and structure of shearing machine:Shears are often used to cut blanks with straight edges. The cutting process should be able to ensure the straightness and parallelism requirements of the cut surface of the cut sheet, and minimize the distortion of the sheet to obtain high-quality workpieces.
Shearing machine is a kind of forging machinery, and its main function is the metal processing industry.
Products are widely used in: light industry, aviation, shipbuilding, metallurgy, instrumentation, electrical appliances, stainless steel products, steel structure construction and decoration industries
Regulations for safe operation of shears:1. Wear tight-fitting protective clothing before manipulation, with cuffs fastened, and the hem of the jacket cannot be opened. It is not allowed to wear, take off, or wrap around the body next to the operating machine tool to prevent the machine from being twisted. It is necessary to wear a safety helmet, braids should be put in the hat, no skirts, slippers.
2. The operator of the machine tool must understand the main structure, function and use method of the shearing machine.
3. The machine tool is suitable for cutting various steel plates, copper plates, aluminum plates and non-metallic materials whose material thickness is the rated value of the machine tool, and must be materials free of hard marks, welding slag, slag inclusions, and welds, and over-thickness is not allowed.
4. How to use the machine tool: a. Adjust the blade gap according to the thickness of the material to be cut.
b. Adjust the profiling or fixture according to the width of the material to be cut.
C. Before the machine tool is operated, make 1-3 idle strokes, and then the cutting work can be carried out after it is normal.
5. If the machine is found to be operating abnormally during use, immediately block the power supply and shut down for inspection.
6. When adjusting the machine tool, the power supply must be blocked. When moving the workpiece, pay attention to the safety of the hand.
7. All parts of the machine tool should be kept lubricated. The operator should fill the lubricating oil once every shift, and the mechanics should fill the lubricating oil once every six months on the movable bearing part.
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