The invention provides a high-frequency quenching device for a right-angle part of a rotary body. The device comprises an induction coil, a magnetizer, a tray, a stop screw and a connecting column, wherein the tray is used for supporting a rotary body part to be processed, the connecting column is connected with the tray and an external machine tool, and the stop screw is used for fixing the tray and the connecting column; the induction coil is mounted on the external machine tool, can be connected to a high-frequency current and is coaxial with the rotary body part to be processed; the section, close to the right-angle root part of the rotary body part to be processed, of the induction coil is sharp-angle-shaped; the magnetizer is bonded with and wraps the induction coil, and only is the sharp-angle-shaped part of the induction coil exposed out of the magnetizer. According to the device, the circular coil effect of electromagnetic induction can be properly reduced, overhigh heating speed of a vertical cylindrical surface is avoided, the sharp angle effect during the electromagnetic induction can be effectively avoided, and the effect of heating the root part of the part is achieved by virtue of drive current of the magnetizer.

High-frequency quenching device for right-angle part of rotary body

The invention provides a ball screw induction quenching treatment method. The ball screw induction quenching treatment method comprises the steps that (1), preheating treatment is conducted on a ballscrew bar; (2), threading is conducted on the ball screw bar obtained after preheating treatment; (3), a groove of a threaded ball screw is coated with a muddy magnetic conductor, and the coated ballscrew is placed at room temperature for 2-4 h till the muddy magnetic conductor is dry completely; and (4), induction quenching is conducted on the ball screw coated with the magnetic conductor by adopting a heating inductor which inclines 30 degrees. According to the ball screw induction quenching treatment method, the rolling groove is coated with the magnetic conductor, and therefore the magnetic leaking phenomenon of the screw rolling groove in the induction quenching process can be effectively improved; and induction quenching is conducted on the ball screw coated with the magnetic conductor by adopting the heating inductor which inclines 30 degrees, and therefore the hardness and the effective hardened layer depth of a rolling way and hardened layers at the edges of the rolling way are further increased.

Ball screw induction quenching treatment method

The invention discloses an electrical-combined kiln for burning Longquan celadon and a method for burning Longquan celadon by using the kiln. The structure of the kiln body of the electrical kiln, anembryo glaze formula suitable for celadon burning with the electrical kiln and the method for burning the Longquan celadon by using the kiln are mainly included. According to the kiln, no only can a gas fuel be adopted alone for heat treatment of the celadon, but also electricity and gas can be used in a mixed mode for heat treatment of the Longquan celadon, and furthermore the electricity can beused as an only energy source for biscuiting the embryo body of the Longquan celadon. From the burning atmosphere in the kiln, burning both in an oxidizing atmosphere and in a reducing atmosphere canbe achieved through the kiln, and from the burning temperature, biscuiting of 600-900 DEG C and glaze firing of 1260-1350 DEG C can be achieved through the kiln; and the kiln has multiple functions, and can complete a plurality of burning work, and the kiln has a reasonable structure and a small temperature difference, so that the loss of flue gas is reduced, and energy saving is achieved.

Electrical-combined kiln for burning Longquan celadon and method for burning Longquan celadon by using kiln

The invention provides an automobile steering bearing component induction heat treatment tool. The automobile steering bearing component induction heat treatment tool comprises an inductor, wherein the inductor is a hollow tubular structure; the tubular structure comprises a coil and two coil leading-out ends; the coil leading-out ends are perpendicular to the plane of the coil; the coil comprises an inner surface and an outer surface; the outer surface is a conical surface; the conical surface is downwards expanded gradually from one side which is close to the coil leading-out ends; and a plurality of magnetizers are inlaid in the inner surface of the coil. According to the automobile steering bearing component induction heat treatment tool, induction heating is carried out by the inductor with the tapered outer surface, the bottom of the induction tool is close to the position of a spigot of a tool withdrawal groove, so that the area of an induction heating part at the position of the spigot of the tool withdrawal groove is increased, and meanwhile, uniform induction of various positions of the inner surface of a workpiece can also be guaranteed.

Automobile steering bearing component induction heat treatment tool

The invention discloses a workpiece multi-face quenching sensor which comprises an induction coil, a bus bar, a magnetizer and a workpiece, wherein the induction coil is communicated with the bus bar and is internally filled with cooling water; the shape induction coil is consistent with that of a to-be-quenched region of the workpiece; the magnetizer is formed by sticking silicon steel sheets; a clearance between the workpiece and the induction coil is 1-3mm; and the workpiece is a grooved wheel. The quenching sensor disclosed by the invention has the beneficial effects that quenching on multiple faces is realized, the wear resistance of a chain wheel is improved, the service life is prolonged and the production efficiency is improved.

Workpiece multi-face quenching sensor

The invention discloses a quenching inductor for shaft parts and a quenching method, which are designed for solving the problem of poor quenching effect of shaft necks of existing shaft parts. The quenching inductor for the shaft parts is a ring-shaped body, wherein the inner surface of the quenching inductor is a conical surface, and the bottom surface of the quenching inductor is an inclined surface. A self-cooling water channel and a quenching liquid channel of the inductor are formed in a cavity. Magnet conduction layers are formed on the outer surface, the inner surface, the top surface and the bottom surface of the quenching inductor. A quenching system for the shaft parts comprises the shaft parts and the quenching inductor for the shaft parts. According to the quenching method, an included angle is formed between the inner surface and the cylindrical surface of the inductor, and an included angle is formed between the bottom surface and the lower end face of the inductor. The quenching inductor and system for the shaft parts are reasonable in structure, convenient to use and low in manufacture cost, and are suitable for the shaft parts including hollow shaft parts and thin-walled tubes. The quenching method is simple in procedure and has low requirements on hardware such as a device.

Quenching inductor for shaft parts and quenching method

The invention relates to a temperature control method and system for a fuel gas type industrial furnace. The temperature control method and system are designed for realizing accurate control and saving the energy. According to the temperature control method for the fuel gas type industrial furnace, the combustion time of nozzles is calculated on the basis of the temperature inside the fuel gas type industrial furnace and through the predictive compensation control algorithm, and combustion of the nozzles is controlled according to the combustion time. The temperature control system for the fuel gas type industrial furnace comprises temperature sensors, a signal conversion module receiving the temperature signals, converting the temperature signals into signals capable of being used by an industrial personal computer and outputting the signals, the industrial personal computer receiving the signals output by the conversion module, calculating the combustion proportion of the nozzles within the control period on the basis of the detection temperature and through the predictive compensation control algorithm, calculating the combustion time of the nozzles according to the combustion proportion and outputting time signals indicating the combustion time, nozzle controllers receiving the time signals and outputting control signals according to the time signals, and valves receiving the control signals and acting correspondingly for controlling combustion of the nozzles.

Temperature control method and system for fuel gas type industrial furnace

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Quenching inductor for shaft parts and quenching method

Temperature control method and system for fuel gas type industrial furnace