The present invention relates to a numerical control device cutter wearing detection method based on a cloud knowledge base and machine learning. The method comprises the steps of: A, constructing andtraining a cutter wearing detection model: (1) establishing a cloud knowledge base, (2) collecting condition data of a workshop and storing the condition data, (3) designing a cutter wearing detection model, and employing a support vector machine to perform training of the cutter wearing detection model; and B, performing cutter wearing detection through the cutter wearing detection model: (4) updating the cutter wearing detection model to a local numerical control machine tool, performing detection of a cutter on the local numerical control machine tool, and when the cutter wearing amount achieve a dulling standard, replacing the cutter, and (5) taking newly detected condition data and the detected cutter wearing amount as feedback information, and transmitting the feedback information to the local numerical control machine tool through a network. The cutter wearing cutter prediction accuracy rate and the detection speed are improved.

Numerical control device cutter wearing detection method based on cloud knowledge base and machine learning

The invention relates to a structure capable of achieving self-lubricating on a tool surface. A tool can be a medical operation tool, a cutting tool or a domestic tool. According to the self-lubricating structure, specifically, a series of groove structures are machined on the surface of the tool according to certain rules, by utilizing capillary force of the groove structures, liquid is guided to be directionally transported, a liquid film is formed, so that the tool surface is wetted and lubrication and cooling effects are achieved, and adhesion is reduced. The groove structures comprise but not limited to wedge grooves, trapezoid grooves, dovetail grooves, taper grooves and height gradient grooves. According to the structure capable of achieving self-lubricating on the tool surface, by utilizing the capillary force in the grooves, the liquid is guided to be directionally transported, the liquid film is formed, sustainable self-lubrication of the tool surface is achieved, and lubrication and anti-adhesion are achieved; and tissue adhesion in the operative process is reduced, the durability of the cutting tool is improved, and the domestic tool is convenient to use.

Structure capable of achieving self-lubricating on tool surface

The invention discloses a five-dimensional manual displacement platform, a turning auxiliary system comprising the five-dimensional manual displacement platform and a debugging method of the turning auxiliary system, and relates to the turning auxiliary devices and debugging methods. The problem that in the existing laser auxiliary cutting technology, during cylinder end face cutting, the geometric position relation of a tool and the laser focal point cannot be kept constant is solved. The five-dimensional manual displacement device comprises a first linear displacement platform, a second linear displacement platform, a third linear displacement platform, a fourth linear displacement platform and a rotating displacement platform. The turning auxiliary system comprising the five-dimensionalmanual displacement device comprises an oval ultrasonic vibration knife device and a laser device. According to the five-dimensional manual displacement platform and the turning auxiliary system including the five-dimensional manual displacement platform, the debugging method is designed for the turning auxiliary system, and through adjusting of a machine tool and the five-dimensional manual displacement platform, the geometric position relation of the tool and the laser focal point can be kept constant.

Five-dimensional manual displacement platform, turning auxiliary system comprising five-dimensional manual displacement platform and debugging method of turning auxiliary system

The invention discloses a combined milling cutting processing device of a microstructure. The device comprises a laser and a fine milling cutter. The device is applicable to processing of a high depth-to-width ratio and complex long-route microstructure on a metal material or a nonmetal solid material. The invention also provides a combined milling cutting processing method of the microstructure.The method is characterized in that a workpiece to be processed is roughly processed to remove materials through a laser to obtain the microstructure, then the fine milling cutter is arranged at an inlet of the microstructure obtained by rough processing, and the fine milling cutter is driven to mill and cut the microstructure, and thus the final microstructure is obtained. With the adoption of the device and the method, the microstructure processing efficiency and processing accuracy can be improved; and meanwhile, the blade abrasion degree of the fine milling cutter is decreased, and the service life of the fine milling cutter is prolonged.

Combined milling cutting processing device and method of microstructure

The invention discloses an efficient and precise machining method for a composite material. The thickness and the heated degree of a heated area of the composite material are regulated accurately through time domain shaping ultrafast lasers; the thickness of easily-machined loose oxide generated in the manner that a matrix phase and a reinforced phase of the material are subjected to a chemical reaction through gas assisting under the heat effect is controlled; conditions are created for achieving precise machining by directly removing a loose oxide layer subsequently through cutting/grindingmachining; and machinability of the material is greatly improved.

Efficient and precise machining method for composite material

The invention discloses a laser-induced oxidation auxiliary micro milling method and a device thereof. According to oxidable characteristics of a material to be machined, a low-power laser device is used for heating the material in the to-be-machined area, auxiliary oxidizing gas is led to serves as an oxidizing agent, instant high temperature generated by the laser is used for enabling the material in the to-be-machined area and the oxidizing agent to have the rapid controllable oxidizing reaction, through adjusting of laser and oxidizing agent parameters, the oxidizing reaction rate, the oxide microstructure and the structure are controlled, an oxidizing layer is formed on the surface of a workpiece to be machined, the micro milling removing mechanism of the material is changed, the cutting load is reduced, a micro milling cutter is used for rapidly removing the oxide layer and the small number of subsurface stratum materials, and the high-precision machined surface is formed; the higher machining efficiency and the better surface integrality are obtained, and the processing controllability is high; the machining method is used for achieving efficient and high-quality machining of high depth-to-width ratio microstructures of titanium alloy, hard alloy and other materials hard to machine.

Laser-induced oxidation auxiliary micro milling method and device thereof

The invention discloses a laser-induced oxidation-assisted micro-fine turning machining device and method. The laser-induced oxidation-assisted micro-fine turning machining device comprises a micro-fine turning device, a laser-induced oxidation device, a laser focusing device, a distance sensor and a control device. In the machining process, a laser-induced oxidation method is utilized for changing high-hardness materials such as ceramic and hard alloy into oxidation layers which are loose and can be removed easily, a cutting load is reduced, and cutting-tool wear is reduced; and the distance sensor is adopted for detecting the distance between materials in a to-be-machined region and a focusing lens in the laser-induced oxidation device in real time, the control device is utilized for controlling the laser focusing device and adjusting the focal distance of a laser in time, and therefore uniformity of the oxidation layers can be effectively guaranteed, and the machining accuracy can be guaranteed. By means of the machining device and method, high-accuracy micro-fine turning machining of the high-hardness materials such as the ceramic and the hard alloy can be achieved.

Laser-induced oxidation-assisted micro-fine turning machining device and method

The invention, which belongs to the technical field of mechanical manufacturing tool state monitoring, discloses a method for determining tool changing of a tool. In the prior art, wearing of a tool during the actual production process affects the processing quality of a workpiece greatly; and the efficiency of the traditional tool monitoring way is low. However, according to the method provided by the invention, the working state of the tool is reflected visually by a cutting force; and the study on the relevant calculation method is mature. On the basis of geometric simulation of the tool, calculation is carried out by using a corrected cutting force empirical formula to obtain a cutting force sample; and a sample is placed into a machine learning frame and a training result can be applied to actual processing. The method can be applied to various cutting processes and has the great significance in promoting intelligent realization of the manufacturing industry.

Method for determining tool changing of tool

The invention discloses a manufacturing method for a lyophilic-lyophobic combined textured tool surface, and belongs to the technical field of mechanical cutting tool manufacturing A micro-groove texture is arranged on the surface of a tool The inner portions of micro-grooves are in the lyophilic state, other areas of the micro-grooves are micro-nanometer structure functional layers in the lyophobic state, and therefore the lyophilic-lyophobic combined textured tool surface is formed Under the lubrication condition, lubricating liquid rapidly moves on the surface of the lyophobic layers and is automatically collected to the inner portions of the lyophilic micro-grooves and rapidly conveyed to a cutting area By designing parameters of the lyophilic-lyophobic combined tool surface and micro-nanometer texture parameters, the lubrication state of the cutting area can be actively regulated, controlled and improved, and therefore the friction force of tool-workpiece and tool-chip interfaces is reduced, and guarantees are provided for reducing friction and abrasion of the tool The lyophilic-lyophobic combined textured tool surface can be widely applied to high-speed cutting and cutting of materials hard to cut, the tool life can be prolonged, and the machining quality and accuracy can be improved

Manufacturing method for lyophilic-lyophobic combined textured tool surface

The invention provides a brazing method of a CVD diamond micro milling cutter. The brazing method comprises the steps that firstly, a hard alloy cutter handle is prepared; ultrasonic cleaning is carried out on the hard alloy knife handle and a CVD diamond blade; the surface of the welding part is coated with soldering flux; the CVD diamond micro cutter is assembled; and the CVD diamond micro cutter is brazed in air at the low temperature. According to the method, the thermal damage degree of the diamond blade during welding of the CVD diamond micro cutter is reduced, rapid welding between theCVD diamond blade and the hard alloy cutter handle is achieved, the CVD diamond micro cutter is welded through an ultrahigh-frequency induction brazing machine in air, and meanwhile the welding strength and precision are guaranteed; and in addition, the method is easy to operate and high in efficiency, and the welding cost of the CVD diamond micro cutter is greatly reduced.

Brazing method of CVD diamond micro milling cutter

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