223results about How to "Avoid processing quality" patented technology

The invention discloses a machining method of a thin-wall honeycomb core material curve machining molded surface, and aims to provide a honeycomb machining method with high milling efficiency and capable of prolonging the life of a special honeycomb combined milling tool. The machining method is realized through the following technical scheme: when a double sided tape fixing state at the earlier stage of honeycomb machining is good, the special honeycomb combined milling tool with a conical disc return milling tool is changed for cutting; the rotating direction of the special honeycomb combined milling tool is changed; the conical disc return milling tool for feeding by a wedged angle of 30-45 degrees through high-speed rotation is used for cutting roughing; according to an anticlockwise tool rotating mode in the tool rotating direction, the downward pressure is applied to a honeycomb thin-edge area (1) through anticlockwise rotation; the part, easy to be pulled and damaged, of the thinnest honeycomb edge of the honeycomb bottom cutting profile is firstly machined; and after the honeycomb thin-edge area (1) of a NOMEX honeycomb part blank is machined, the sequential gradient machining is performed in (2-6) thickness direction of the thick-edge area cutting profile layer by layer, and the other parts are machined.

The invention belongs to experimental devices in the field of machines, in particular to a cam profile detection and simulation processing experimental device which can detect the motion profile of acam and simultaneously realize the simulation processing of the cam. The cam profile detection and simulation processing experimental device comprises a cabinet, a cam profile measuring mechanism, a mounting mechanism of the measured cam and a simulation processing experimental mechanism, wherein the cam profile measuring mechanism comprises a linear displacement sensor, a cylindrical cam profilemeasuring rod and a disc-shaped cam profile measuring rod, and the mounting mechanism of the measured cam comprises a cam shaft which is mounted on the cabinet, connected with the rotation power and used for mounting the measured cam; and the simulation processing mechanism comprises a milling cutter part with the vertical milling form and a workbench part, and the workbench part comprises a driving mechanism which can produce the three-axis movement and the one-axis movement, and a workbench mounted on the driving mechanism. The cam profile detection and simulation processing experimental device has the beneficial effects of integrating the cam profile simulation design processing and the detection into a whole, having complete functions, and compact structure, and realizing multiple purposes on an experimental platform.

A vapor-phase process apparatus and a vapor-phase process method capable of satisfactorily maintaining quality of processes even when different types of processes are performed are obtained. A vapor-phase process apparatus includes a process chamber, gas supply ports serving as a plurality of gas introduction portions, and a gas supply portion (a gas supply member, a pipe, a flow rate control device, a pipe, and a buffer chamber). The process chamber allows flow of a reaction gas therein. The plurality of gas supply ports are formed in a wall surface (upper wall) of the process chamber along a direction of flow of the reaction gas. The gas supply portion can supply a gas into the process chamber at a different flow rate from each of one gas supply port and another gas supply port different from that one gas supply port among the plurality of gas supply ports.

The invention provides a method for eliminating flow field vortexes in a tubular electrode electrolytic machining interval. The method comprises the following steps that the lateral face of a tubular electrode is punched through a laser punching process; the punched tubular electrode is subjected to corresponding insulating treatment; electrolyte flows downwards in the tubular electrode during electrolytic machining and is sprayed outwards from an outlet in the lower end of the tubular electrode; the electrolyte beam sprayed out of the outlet of the tubular electrode impacts an electrolytic machining area; part of electrolyte is sprayed out of a hole in the lateral face of the tubular electrode; under the impact and disturbance function of the electrolyte sprayed out of the hole in the lateral face, a vortex area of the electrolyte of the machining area is eliminated, and electrolysate is discharged out of the machining area in time in the circular flowing of the electrolyte; and meanwhile, under the function of reactive force when the electrolyte impacts, the amplitude of vibration of the tubular electrode caused by flowing of the electrolyte is reduced. The occurrence of short circuit in the machining process can be effectively reduced by eliminating the electrolysate discharged out of the vortex area and reducing the amplitude of vibration of the tubular electrode, and the process stability of the electrolytic machining of the tubular electrode is improved.

A SiC wafer is produced from a single crystal SiC ingot. A modified layer is formed by setting a focal point of a pulsed laser beam inside the ingot at a predetermined depth from the upper surface of the ingot, the predetermined depth corresponding to the thickness of the wafer to be produced. The pulsed laser beam is applied to the ingot while moving the ingot in a first direction perpendicular to a second direction where an off angle is formed, thereby forming a modified layer in the first direction inside the ingot and cracks propagating from the modified layer along a c-plane. A separation surface is formed by indexing the ingot in the second direction and applying the laser beam plural times to thereby form a separation surface inside the ingot. Part of the ingot is separated along the separation surface to thereby produce the wafer.

The invention provides an intelligent machine tool working state identification system based on signal fusion. A sensor system is installed on a mechanical system of a machine tool and used for collecting a vibration signal, a temperature signal, a current signal and a speed signal of the machine tool; the vibration signal and the temperature signal are converted into digital signals through a data collecting system and then sent to a monitoring system, and the current signal and the speed signal are sent to the monitoring system through a numerical control system; and the monitoring system isused for controlling the vibration signal, the temperature signal, the current signal and the speed signal to be sent to a state signal database system and / or controlling the vibration signal, the temperature signal, the current signal and the speed signal to be sent to an intelligent data analysis system to achieve real-time data analysis and output an intelligent machine tool working state identification result. According to the intelligent machine tool working state identification system based on signal fusion, erroneous judgment brought by machine tool state identification obtained through signals measured by a power sensor singly is effectively eliminated, information fusion of multiple sensors is combined, a BP neural network method is adopted, therefore, errors in judgment are reduced, the system robustness is improved, and meanwhile basic conditions are provided for dynamic monitoring of the machining technology process.

The present invention relates to a milling cutter provided with an equidistant arc head on an eccentric shape flank surface and a grinding method, the cutter can reduce the vibration during the process of processing of different hardness of hardened steels for splicing of a mould, the cutter life and workpiece surface quality can be improved, the flank surface shape can be changed, and the cutter tip strength can be improved. The milling cutter is an overall hard alloy end milling cutter. The milling cutter includes a cutter shank (1) and the arc head (2), the arc head includes a large curvature arc (2-1) and a small curvature arc (2-2). Tooth-spacing angles are 87 degrees, 93 degrees, 87 degrees, and 93 degrees, tooth-spacing vertical angles are equal, helix angle (r) is 38 degrees, helix angle (v) is 40 degrees, and cutter end cutting edge flank surface (10) and circumferential cutting edge (6) are in eccentric shape. Front angle is in the range of 0-3 degrees, first clearance angle is in the range of 8-10 degrees, and second clearance angle is in the range of 15-22 degrees. The center position of the cutter is provided with cooling channels (3), the number of the cooling channels is four, and the four cooling channels respectively are located four cutting edge end tooth chip pockets. The present invention also provides a reference for the grinding of the cutter of the type.

The invention relates to an electrolytic milling-grinding machining tool cathode with efficiency and precision and an electrolytic milling-grinding method, and belongs to the field of electrolytic milling-grinding composite machining. According to the electrolytic milling-grinding machining tool cathode and the electrolytic milling-grinding method, a plurality of arc-shaped grooves at equal intervals are formed in the lower end of the side wall of the tool cathode, the side walls of the grooves are insulated, and diamond abrasive particles are inlaid in the wall surfaces of the portions, except for the grooves, of the side wall of a cathode base body through a resin binder, so that electrochemical anodic dissolution only exists in the surfaces of the portions, opposite to the grooves, of aworkpiece, at the moment, the depths of the grooves become a part of a machining gap, accordingly the contact depth between the diamond abrasive particles in the portions, except for the grooves, ofthe side wall of the cathode base body and the machining surface of the workpiece is increased, then the grinding effect of the diamond abrasive particles on the workpiece in the electrolytic milling-grinding process is enhanced, and the precision and the surface quality of the electrolytic milling-grinding machining can be improved; and moreover, compared with the electrolytic milling-grinding finish machining under the low current density in the past, the tool cathode can adopt higher current density, and the machining efficiency can be improved.

The invention relates to an ultrasonically-assisted grinding wheel grinding grain arrangement strategy and a grinding grain thickness cutting model establishment method. The single grinding grain movement track during ultrasonically-assisted grinding is taken as the spacial sine curve characteristic, grinding grain circumferential spacing delta x, grinding grain axial spacing delta z and grinding grain arrangement angle beta which can reinforce the grinding wheel working layer grinding grain movement track overlapping action are determined, the control method for ultrasonically-assisted grinding wheel working layer grinding grain arrangement is put up, further the relation between single grain thickness cutting aU[gmax] during ultrasonically-assisted grinding and single grain thickness cutting a[gmax] during ordinary grinding is established according to the calculation method of the grinding layer average volume, and then the aU[gmax] is obtained according to the a[gmax]. Accurate control of the single grain grinding thickness cutting in the ultrasonically-assisted grinding process is realized so that accurate control of the processing surface quality is realized, and the defect that the existing ultrasonically-assisted grinding processing surface quality mainly depends on project practical experience is overcome.

The invention provides a high-quality rice fine processing process, which comprises the processing flow processes of primary magnetic separation, primary cleaning, metering, sieving, stone removing, secondary magnetic separation, husking, husked rice separation, tertiary magnetic separation, ultrasonic atomization tempering, rice milling, primary polishing, polished rice primary grading, spotted rice color separation, secondary color separation, fourth magnetic separation, secondary polishing, polished rice secondary grading and metering and packaging. According to the ultrasonic atomization tempering, an ultrasonic atomization humidification mode is used for humidifying the rice, the tempering time is 10 to 20 minutes, the tempering temperature is controlled to be between 30 DEG C and 40 DEG C, the unit humidification quantity is 0.5 to 5 percent, the actual seeping quantity is 2 to 3 percent, and the moisture content of the polished rice finally obtained through processing is not greater than 14 percent; tempering agents adopt ultrasonic atomization water; during the spotted rice color section, a photoelectric color separation device is used for automatically picking out different-color rice, the full-process temperature reduction is carried out in the whole processing flow process, and the temperature rice in the processing process is controlled not to exceed 5 DEG C. The high-quality rice fine processing process has the advantages that the high-quality rice can be subjected to integrated utilization and deep processing, and the final product quality is improved.

A mother substrate structure includes a mother substrate, a cover plate, a sealant and a spacer structure. The mother substrate has light emitting units thereon. The cover plate is disposed above the mother substrate and has unit regions, each unit region corresponding to one of the light emitting unit. The cover plate has a cutting line around each unit region, sealant regions between the cutting line and each of the unit regions, and spacer disposing regions between the cutting line and each of the sealant regions, wherein a distance between the cutting line and each of the spacer disposing region is 0˜100 um. The sealant is disposed in the sealant regions to bond the mother substrate and the cover plate. The spacer structure is disposed in the spacer disposing regions and surrounds each of the light emitting units, and materials of the spacer structure and the sealant include a glass fit.

The invention relates to a method of preprocessing bobbin made in a spinning machine to be rewound in an automatic cross-wound machine. Herein, the yarn preprocessing device comprises a yarn start station for starting a yarn and a yarn taking station for taking and setting the yarn at a preprocessing position. Activating mechanism for activating the bobbin to rotate around the longitudinal axle is provided at the yarn starting station and the yarn taking station respectively. The yarn taking station has a sensor for detecting taking the yarn successfully. According to the invention the number of revolution of each bobbin (16) is counted and reported to the controller (15) before the sensor (17) detects the yarn is taken successfully in the yarn taking station (12). An average value (MW) of bobbins (16) average revolutions in the yarn taking station (12) is calculated in the controller (15), and the top number of revolution is adjusted referring to MV. The subsequent bobbin (16)in the yarn taking station (12) will rotate with the top number of revolution when the yarn is not taken in successfully.

The invention provides a magnetic feeding type electrolysis electric spark combined machining method and device. A magnetic field is generated by an electromagnetic device, pushing force is generated under the effect that same magnetic poles of the magnetic field repel each other to push a sliding base, and the sliding base drives workpieces to conduct feeding; a force sensor and a distance sensor are arranged, and the contact force between an electrode of a tool and the workpieces and the machined depths of the workpieces are detected; data are collected through a data collecting card and uploaded to a computer, and analysis and comparison are carried out through the computer; and the contact force between the electrode of the tool and the workpieces is accurately adjusted through a control system, the magnitude of contact force generated when the workpieces are located at the positions with different depths is adjusted, and a force feedback adjusting system and a machining depth feedback adjusting system are constructed. The magnetic feeding type electrolysis electric spark combined machining method and device are suitable for efficient and accurate machining of insulation crisp and hard materials, and belongs to the field of special machining in the manufacturing technology.

The invention discloses a combined type end mill for machining paper based honeycomb composite materials. The combined type end mill comprises a cylindrical cutter body, a cutter handle arranged on the upper end face of the cutter body and a disc-swatooth-shaped cutting knife arranged on the lower end face of the cutter body. Not less than four sets of positioning faces, chipping containing grooves and internal cooling holes which are distributed in the peripheral direction at equal intervals are arranged on the cutter body, cutting blades matched with the positioning faces are fixedly installed on the positioning faces, and knife edges of the cutting blades extend out of the cylindrical face of the cutter body; and the internal cooling holes are through holes formed inside the cutter handle and the cutter body and are communicated with the chipping containing grooves to form air outlets. The cutting blades are detachable blades composed of a plurality of left and right double helix groove type thin tooth cutting edges. By means of the combined type end mill, the cutting force and the cutting temperature of the paper based honeycomb composite materials are better reduced, defects such as deformation and tearing are prevented, when dust-shaped cutting chippings are bonded to the cutting edges and are difficult to remove, replacement with a new blade can be achieved for use, andadverse effects caused by the fact that the dust cutting chippings are bonded to the cutting edges are avoided.

The invention belongs to the field of manufacturing of turbo-superchargers, and in particular relates to a supercharger shell detection system and method. According to the technical scheme provided by the invention, the supercharger shell detection system comprises a rack, a displacement sensor, a horizontal reference detection platform, a measurement device, a code spraying device, a workpiece conveying device and a control device; the displacement sensor, the horizontal reference detection platform, the measurement device and the code spraying device are arranged on the rack; a working surface of the horizontal reference detection platform is horizontal; the measurement device is used for detecting a supercharger shell; the workpiece conveying device is used for conveying the supercharger shell; the control device is used for controlling the operation of the detection system. The supercharger shell detection system and method provided by the invention can be used for controlling the processing quality of the supercharger shell, so that the detection level and production efficiency of the supercharger shell can be improved.

The invention relates to a special four-station machine tool for jackscrew holes of worms. The special four-station machine tool is characterized by comprising a tool body, a tray, a chamfering power head, a drilling power head, a tapping power head, a hydraulic turntable and fixtures; the hydraulic turntable is fixedly connected to the center of a working table of the tool body, the chamfering power head and the tapping power head are symmetrically fixedly connected onto the working table of the tool body along the transverse axis of the hydraulic turntable, the drilling power head is fixedly connected to the central position between the chamfering power head and the tapping power head along the radial direction of the hydraulic turntable, and the fixtures for mounting a workpiece are arranged on rotary work stations of the hydraulic turntable. The special four-station machine tool has the advantages that the special four-station machine tool are fully automatic, and labor cost is greatly reduced; various working procedures are centralized and can be carried out simultaneously, and accordingly the efficiency is improved; and influence of skills of operators to the machining quality is avoided, and the special four-station machine tool is stable and reliable.

The invention relates to a non-destructive repair method of contaminated soil, and belongs to the field of environmental protection machines. The method is carried out through a contaminated soil repair system, wherein the system comprises a soil mixing device; a feeding opening and a discharging opening are formed in the soil mixing device; an absorbent feeding hopper is arranged above the feeding opening; a conveyor on which a magnetic separating device is arranged is arranged below the discharging opening; a soil liquefying device is arranged below the tail end of the conveyor and connected with a soil repair device through a pipeline. The non-destructive repair method of contaminated soil has the advantages that the automation degree is high, and the treatment effect is good.

Embodiments of the present invention are directed to an illuminating optical device for forming a field of illumination. The optical device includes a first one-dimensional homogenizer positioned to homogenize a first dimension / axis of the field of illumination and a second one-dimensional homogenizer positioned to homogenize a second dimension / axis of the field of illumination.

The invention relates to a machining device for a shaft sleeve oil groove. The machining device for the shaft sleeve oil groove comprises a lathe body and a motor which is arranged on the front end of the lathe body, wherein a guide rail is fixed on the lathe body; a boss is arranged on the guide rail; a cutter is fixed on the boss; the left end of the lathe body is fixed with a first limiting plate and a second limiting plate; the right end of the lathe body is provided with a clamping component for clamping a shaft sleeve; and the motor is connected with the clamping part by a chain belt. The machining device for the shaft sleeve oil groove has the beneficial effect of being simple to operate and being precisely positioned to machine, thereby reducing repeated acknowledging time and solving inconvenience caused by an inaccurate oil groove machining position, greatly reducing machining cost and time, ensuring machining quality and improving production efficiency, and satisfying large-scale production requirements; and moreover, the machining device has the advantages of low cost, high quality and the like.

A process control system for controlling a production process includes a data generating system that generates at least first data regarding first products produced in a previous process and second data regarding parts used in a next process. The first data and the second data are related to link information indicating a link between the previous process and the second process. The process control system further includes a data storing system that stores data generated by the data generating system.

The invention provides a drilling-tapping all-in-one machine which solves the problem that an existing motor ring processing process is complex. According to the technical scheme, the key point is that the drilling-tapping all-in-one machine comprises a rack and an oil supply system, wherein an indexing positioning device which is rotatably connected with the rack is arranged on the rack; a turnover device for turning over workpieces is arranged on the rack; processing devices are arranged on the positions, at the two sides of the turnover device, of the rack; and each processing device comprises a drilling device and a tapping device. The indexing positioning device, the processing devices and the turnover device are arranged on the rack, so that the workpieces are transported to each station through the indexing positioning device, one workpieces is clamped once and processing of positive and negative surfaces is accomplished, multi-time calibration is not needed, processing time isshortened, and processing efficiency is improved; and moreover, the turnover device can automatically turn over the workpiece, equipment processing speed is increased, transportation time is saved, workpiece collision is avoided, working environment of a worker is improved, working strength is reduced, fatigue of the worker is reduced, and processing quality of the workpiece is guaranteed.