Brief introduction of deburring machine
After the fan-shaped sheet is punched, each punched sheet needs to be strictly deburred, so that the burr in the punching process is controlled within a small range. In foreign countries, deburring is generally performed twice in a row. In the automatic production line of punching, two deburring machines are connected in-line. The deburring machine can be a roller grinding wheel type or an abrasive belt type deburring machine. The main features of the latter are: fast rotation speed, up to 10~35m/min, easy and fast replacement of abrasive belts, and can adapt to punching sheets of various shapes and thicknesses. It is said that the deburring quality of the abrasive belt is better than that of the roller grinding wheel. The abrasive belt is applied to a high-speed rotating rubber belt with a spiral groove that prevents contamination of the abrasive belt. The pressure of the abrasive belt is controlled by compressed air, maintaining a constant pressure, and automatically stops when the abrasive belt is damaged or other failures occur.
With the help of an industrial manipulator, a rotating wire brush or grinding wheel is clamped, and the burr is polished by the joint arm movement of the manipulator to remove the burr. The manipulator can select wire brushes or grinding wheels from the racks of the tool magazine, which are suitable for deburring on different parts of the part. However, this method is often not suitable for use in many occasions because the arm joints of the manipulator lack sufficient rigidity and precision. Moreover, due to the different structures of the parts, some parts cannot be deburred by this method, and other deburring equipment has to be equipped.
This is designed for deburring smaller parts of revolution or diamonds. Parts are placed in a large container filled with a granular ceramic medium that varies in size depending on the type, size, and material of the burred part. The rapid reciprocating vibration of the container makes each part of the part move and rub against the ceramic medium to remove burrs and polish the surface of the part. The intensity of vibration can be adjusted to suit parts of different sizes.
Thermal energy method
The process of thermal deburring is the process of oxidation into powder at high temperature. The thermal deburring machine seals the burred parts in a container filled with high-pressure combustible gas mixed with oxygen. The burrs on the parts are surrounded by this mixed gas, no matter in the outside, inside, or in the position of blind holes. After the spark plug ignites the gas mixture, it generates an instantaneous high temperature heat wave. Because the ratio of surface area to gas of the burr part is quite high, the burr burns, and in the cycle time of 15 to 30 seconds, the burr is continuously oxidized and transformed into powder, and then clean the workpiece with solvent.
This method is the only uniform deburring method that removes unwanted material from all parts from their surfaces, even from hard-to-reach internal grooves and intersecting holes, and No need to check afterwards. Therefore, it is widely used in the deburring process of ferrous and non-ferrous metal parts.
Electrochemical (also known as electrolysis) deburring machine removes burrs on parts by dissolving metal materials from parts into electrolyte through electrochemical reaction. The tool electrode is connected to the negative pole of the DC power supply, the parts with burrs are connected to the positive pole of the power supply, the electrolyte of a certain pressure and flow rate is passed through the middle, and then the DC power supply is connected, so that the metal used as the anode gradually undergoes electrochemical dissolution to achieve removal. Burr (or molding) purpose.
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