25results about How to "Avoid processing defects" patented technology

The invention relates to diesel engine accessory casting post-processing equipment, and relates to the field of diesel engine accessory processing, the diesel engine accessory casting post-processing equipment comprises a processing circular truncated cone, the left and right sides of the processing circular truncated cone are provided with fixing supports, and the upper end of the processing circular truncated cone is provided with an inner fixing assembly and an outer fixing assembly. Through cooperation of the inner fixing assembly and the outer fixing assembly, the gear is concentrically fixed inside and outside in multiple directions, the influence of impact force or other external force on the gear in the machining process can be reduced, machining defects caused by gear shaking or deviation are avoided, the drilling precision and consistency are improved, and the machining efficiency is improved. And the position adjusting time of the gear in the drilling machining process can be shortened, so that the production efficiency is improved. According to the gear drilling device, the placing position of the gear can be automatically adjusted and corrected, so that it is ensured that the gear is located at the accurate and appropriate drilling position, time and energy consumed for manually adjusting the position of the gear are reduced, and the drilling efficiency is further improved on the premise that the drilling precision and the drilling quality are ensured.

The invention provides an automatic production stamping method for automobile warm air heat exchanger accessories with reinforcing ribs, which belongs to the field of automobile processing and comprises the steps of die debugging, processing parameter setting, sensor mounting, processing flow execution, processing position control, processing quality control, finished product inspection and processing parameter optimization. Important machining procedures such as notching, reinforcing rib stamping, bending, cutting-off and material returning are continuously carried out, that is, multiple procedures are completed in one die, high integration of the machining procedures is achieved, all the procedures can be closely connected, transferring and repositioning of semi-finished products among all the procedures are reduced, and the production efficiency is improved. And meanwhile, the die replacement and debugging time is shortened, the production period is shortened, the optical sensor used for monitoring the position deviation of the material belt and the piezoresistive flexible sensor used for monitoring the pressure distribution of the material belt are additionally arranged, accurate positioning of the material belt in the stamping process is achieved, and the stability of the stamping quality is ensured.

The invention provides a clearance adjusting pre-tightening and monitoring mechanism for gear and rack pair transmission, which is used for realizing accurate control and abrasion monitoring of a meshing clearance of a single gear and rack pair transmission mechanism and comprises a sliding plate, a pre-tightening device, a pre-tightening device and a monitoring device, and the upper end face of the sliding plate is provided with an adjusting groove; the single-gear-rack pair transmission mechanism comprises a driving device, a gear, a rack in meshing transmission connection with the gear and a mounting plate, the driving device is fixedly connected with the mounting plate, the output end of the driving device is in transmission connection with the gear, and the mounting plate is slidably connected into the adjusting groove; the gap adjusting pre-tightening mechanism is arranged between the sliding plate and the mounting plate and is used for adjusting the meshing gap between the gear and the rack and applying pre-tightening force; the gear abrasion monitoring mechanism comprises a monitoring plate fixedly connected to the upper portion of the sliding plate, a dial indicator and a displacement sensor, the dial indicator and the displacement sensor are fixedly connected to the monitoring plate, and a monitoring datum plane matched with the dial indicator and a measuring head of the displacement sensor is arranged on the mounting plate. And the gear wear condition is monitored in real time.

The invention relates to an electric cabinet metal plate milling device which comprises a machine tool and a vacuum adsorption carrying table assembly of the machine tool. The assembly comprises an adsorption platform deck, a base and an integrated valve terminal, a negative pressure through hole in the adsorption platform deck is divided into a negative pressure concentration area and a central adsorption area, the bottom is connected with the integrated valve terminal through a pipe joint, and a proximity sensor is arranged on the outer side. Suction force of different areas is subjected to partition management through the integrated valve terminal, and the adsorption force can be dynamically adjusted according to the position of the milling cutter. When the milling cutter approaches, the valve opening degree of the corresponding area is adjusted through the integrated valve terminal, reasonable distribution of suction force is achieved, and the suction requirement of the milling cutter during machining at different positions of a thin plate can be met even if the total suction force is constant. In addition, a chip blowing mechanism is further arranged, chips can be blown away, false alarm of the sensor is prevented, machining reliability and efficiency are ensured, and the milling quality of the electric cabinet thin plate with the thickness being 1 mm is improved.

The invention relates to the technical field of sealing rings, in particular to a micro-textured super-wear-resistant sealing ring and a preparation method thereof. The sealing ring is composed of a rubber ring base body, a silicon transition layer and a silicon-doped diamond-like functional layer, a micro-texture area is arranged on the whole or part of the surface of the rubber ring base body, pits are formed in the micro-texture area, the silicon transition layer is attached to the whole or part of the surface of the rubber ring base body, and the silicon-doped diamond-like functional layer is arranged on the silicon-doped diamond-like functional layer. The silicon transition layer covers all or part of the micro-texture area, and the silicon-doped diamond-like functional layer is attached to the silicon transition layer. The sealing ring is small in friction coefficient, high in bonding strength, high in hardness, good in wear resistance and long in service life.

The utility model discloses a lead clamp mechanism of double -end presss from both sides and wears shell dip tin machine, especially related to lead clamp mechanism technical field, including support plate, be provided with clamping subassembly on the support plate, clamping subassembly includes two turntables of setting up on the support plate, and each the outside of turnplate is provided with rack respectively, the outside of rack is seted up and is used for the wire slot of wire positioning, two the rack is engaged. The utility model discloses the wire slot of setting up outside the rack with the accurate adaptation of wire diameter, can limit wire in the groove, avoid wire from horizontal direction and move about, realize primary positioning. The arc structure is completely attached with the wire cylinder shape, increases the contact area, disperses the clamping force, can firmly fix wire from the radial, ensures wire always in the specified position in presss from both sides, wears shell, dip tin whole working procedure, effectively puts an end to the processing defect caused by wire deviation, and the harness processing qualified rate is improved greatly.

The application relates to the field of mechanical manufacturing and automatic assembly, in particular to a fan support bearing head device and a method thereof; the device comprises a rack base, a composite spindle, a micro boring cutter, a glue injection head and a control and detection unit; the device receives detection signals through the control unit and drives each component, so that the outer pipe of the composite spindle drives the micro boring cutter to cut grooves under the driving of a fixed cam, and the inner pipe synchronously cooperates with the glue injection head to inject glue; the core is that the cooperative operation of material removal processing and fluid filling is realized in the same device, so that the solidified glue and the micro groove form mechanical interlocking; the device replaces the traditional physical extrusion mode, eliminates the assembly stress and bearing deformation caused by radial extrusion from the physical mechanism, effectively improves the fixing reliability of the axial thrust, and effectively captures the debris by using the negative pressure cavity to suck air flow, and completely solves the pollution problem of the assembly surface.

This invention discloses an auxiliary conveying device for cable processing, belonging to the field of cable processing technology. It includes a base with support rods evenly distributed at its upper end. A rotating roller is located inside each support rod. A cable straightening assembly is located at the upper end of the base. This assembly keeps the cable taut during transmission. The cable straightening assembly includes a support plate fixedly connected to the upper end of the base. A groove is formed on the inner wall of the support plate, and a slider is slidably connected inside the groove. Two sliders are rotatably connected to opposite sides of a ring. A receiving rod is rotatably connected inside the base. Through the cable straightening assembly, a continuous downward pulling force is applied during cable transmission, keeping the cable taut and effectively preventing slippage, deviation, or entanglement caused by loosening or sagging during transmission, ensuring a smooth and efficient transmission process.

The invention discloses a high-efficiency selective laser sintering method, which comprises at least one mixture of raw material powder including a low-melting-point binder and at least one laser beam for selective laser sintering; the melting point of the binder is m p , the decomposition temperature is b p , so that the laser beam irradiates the raw material of the mixture, the highest temperature of the raw material rises to T, the duration of the temperature is t, and the following conditions are met: #imgabs0# and m p <T<b p , t>0; this method allows the temperature of a larger range of raw material powder to be maintained in the range from melting point to decomposition point for a certain period of time, while making the temperature distribution and gradient tend to be uniform, so that the residual stress and deformation after laser sintering are smaller; and the beam irradiation with a larger irradiation area also ensures the improvement of laser sintering efficiency.

The present application relates to a device for detecting the state of a tool in a machine tool, which may include: a sensor unit for sensing the acceleration of a spindle of the machine tool in the x-axis direction and the y-axis direction during machining; and a processing device for converting the x-axis signal and the y-axis signal sensed by the sensor unit into a signal capable of representing a cutting force by processing the x-axis and y-axis signals, detecting a resultant force, and plotting the detected resultant force on a polar coordinate system.

The utility model discloses an automatic milling tool of automobile door threshold beam belongs to automobile door threshold beam technical field, including base, the upper surface both ends of base are equipped with support, and the outer side of support is equipped with X direction compression assembly, and the upper of support is equipped with Z direction compression assembly, and one side of base is equipped with Y direction compression assembly, the upper surface of support is equipped with detection hole, and the drive part of Z direction compression assembly is air detection cylinder, and the drive end of X direction compression assembly is connected with flush water block, and flush water block compression surface array is equipped with a plurality of locating column, and locating column stretches into work piece. Realized the effective clamping to the door threshold beam, improved the processing stability. Automatic detection clamping and loosening action whether in place, realized the automatic anti -stupid function.

The invention discloses an ultrathin heat-resistant polyester film and a preparation method thereof, raw materials comprise a polyester matrix, an antioxidant, a lubricant and the like, the polyester matrix is formed by compounding PET, PEN, polyester liquid crystals and hydroxyl-terminated hyperbranched polyester, and a nanofiller is an aluminum oxide, zirconium oxide and boron nitride compounded system and is matched with calix [4] pyrrole, polyhedral oligomeric silsesquioxane and other components. The preparation method comprises the steps of mixing, twin-screw extrusion and filtration, die head extrusion and cooling, two-way stretching, corona treatment and rolling, and extrusion, stretching and shaping process parameters are controlled. The thickness of the thin film is 5-8 microns, the thin film has excellent tensile strength, low thermal shrinkage rate and high-low temperature cycle resistance, the synergistic effect of the components is remarkable, and the thin film is suitable for high-end ultrathin heat-resistant scenes.

The utility model discloses a positioning transmission device for paper core processing relates to paper core processing technical field, including support frame platform, the middle installation of support frame platform has the transmission mechanism, the front end of support frame platform is installed with control system, the upper end of support frame platform is provided with fixed establishment, the fixed establishment includes two sets of mounting panel and two sets of arc frame board, and the upper end of two sets mounting panel all is installed with vertical seat. The utility model, can fix paper core, prevent paper core and shift or the stability of wobble when processing, improve paper core processing's quality and production efficiency, and the setting of infrared inductor can accurately detect paper core position, ensure accurate stop and positioning in the designated processing position, effectively avoid the processing defect caused by inaccurate positioning, improve paper core processing's precision and consistency greatly.

The present application belongs to the technical field of jade carving processing, and discloses a jade intelligent carving method and system based on AI visual identification and digital twinning. The present application collects three-dimensional depth point cloud data of the jade to be processed, extracts normalized curvature of the curved surface and normalized defect coefficient of micro-cracks, obtains residual stress parameters and elastic modulus parameters of the jade, and calculates inherent defect interference factors; a three-dimensional digital twinning model of the jade is constructed, operating data of the carving spindle is collected to calculate normalized fluctuation parameters of the working conditions, dynamic simulation correction coefficients and self-adaptive dynamic feeding control displacement are sequentially calculated, compliant carving parameters are output after virtual carving simulation verification, and carving operations are performed. The present application combines inherent defect parameters of the jade with equipment working condition parameters to complete self-adaptive control of the feeding displacement, avoids processing abnormalities caused by superposition of inherent defects of the jade and fluctuations of the equipment operation, stabilizes the operation consistency of the jade carving processing, and adapts to the standardized carving processing of various types of irregularly shaped jade with flaws.

The invention relates to the technical field of leather production, in particular to a leather production system and method.The leather production system comprises a rack, a feeding and drying mechanism, a cooling mechanism, a softening mechanism, a pressing mechanism, a transferring mechanism and a pricking mechanism, and the feeding and drying mechanism comprises a drying box, a feeding and conveying assembly, a drying and conveying assembly, a constant-temperature conveying assembly and a drying and blowing assembly; the drying box is arranged on the rack, the cooling mechanism comprises a cooling conveying assembly and a discharging conveying assembly, a feeding port and a discharging port are formed in the two sides of the drying box respectively, one end of the feeding conveying assembly extends to the outside of the feeding port, and the other end of the discharging conveying assembly extends to the outside of the discharging port. One end of the discharging conveying assembly extends to the outer portion of the discharging opening and is close to the softening mechanism. Through the efficient, accurate and innovative process characteristics, the leather processing quality and efficiency are remarkably improved.

The invention relates to the technical field of deep hole drilling machines, in particular to an ultrasonic numerical control deep hole drilling machine. The technical scheme comprises a machine body; the guide rail is mounted on the machine body; the workpiece fixing module and the drilling module are slidably mounted at two ends of the machine body through guide rails; the first limiting module is installed on the machine body and located between the machine body and a first limiting sleeve is embedded in the first limiting module. The vertical plate is installed at the end, close to the drilling module, of the machine body. The guide rod is mounted on the machine body through the first limiting module and the vertical plate; the second limiting module is slidably installed on the guide rod and locked and fixed through a bolt, and a second limiting sleeve is embedded in the second limiting module. The hydrodynamic force and cooling system is connected between the drilling module and the workpiece fixing module, and when the drilling module conducts feeding motion, the system drives the workpiece fixing module to move oppositely and conveys cooling liquid to a machining part. Accurate limiting is achieved through the double limiting modules, the fluid system synchronously drives workpieces to feed oppositely and convey cooling liquid, and the drilling precision and efficiency are effectively improved.

The embodiment of the invention provides an LCP millimeter wave radar circuit board processing control method and device. The method comprises the steps that LCP material parameters, spraying material parameters and FR4 material parameters are acquired; preset hole machining parameters are obtained, and machining technology and defect parameters in the preset hole machining parameters are extracted; forming a data set by the LCP material parameters, the spraying material parameters, the FR4 material parameters and the processing technology and defect parameters; inputting the data set into a neural network model for training to obtain a trained neural network model; new LCP material parameters, spraying material parameters and FR4 material parameters are input into the trained neural network model, and output preset hole machining parameters are obtained; according to the preset hole machining parameters, spraying and drilling operation of the millimeter wave radar circuit board is carried out; the processing defects of burrs, curled edges and the like of the circuit board are avoided, the processing and manufacturing yield is improved, and the problems that materials cannot be completely cut off easily when a CNC forming milling cutter is used for processing and cutting, and curled edges and burrs are caused when the milling cutter pulls LCP materials are solved.

The invention discloses a machining method for guaranteeing smooth connection of an arc and a plane of a refractory material, and belongs to the field of refractory material machining. The method comprises the following steps that tool setting of the upper surface of the refractory material to be machined is completed, a tool setting error value of the thickness is obtained through calculation, and the tool setting error value of the thickness is compensated into a machine tool; a first adjustment amount is added to the tool setting error value of the thickness to obtain a first machining allowance, and the first machining allowance is compensated into the machine tool; the side face tool setting of the refractory material to be machined is completed, the tool setting error value of the width is obtained through calculation, and the tool setting error value of the width is compensated into the machine tool; a second adjustment amount is added to the tool setting error value of the width to obtain a second machining allowance, and the second machining allowance is compensated into the machine tool; the machine tool is started, the cutter gets close to the side face at the preset step pitch, feeding is stopped until scratches appear on the side face, and the machine tool is restarted to machine the arc of the to-be-machined refractory material. The problem that edges and corners exist at the joint of an arc and a plane when an existing refractory material is machined can be solved.

This application relates to the field of CNC machine tool technology, specifically to a method, system, device, and medium for positioning compensation of a universal milling head spindle in a mechanical double-swivel CNC machine tool. The method includes: acquiring a first transmission coefficient between the A-axis and the spindle, and a second transmission coefficient between the C-axis and the spindle; setting the A-axis and C-axis to a zero-degree position, and determining the initial target angle for positioning the universal milling head spindle based on the machining task objective; executing machining motions using the mechanical double-swivel CNC machine tool based on the machining task objective, and during the process, reading the current angle values ​​of the A-axis and C-axis relative to the zero-degree position in real time; calculating the real-time system positioning angle of the spindle; and executing spindle positioning commands in real time during the machining motion to control the spindle to rotate to the real-time system positioning angle. This application calculates and compensates for the influence of the A-axis and C-axis on the spindle angle in real time, enabling precise positioning of the spindle under various swivel angle postures.

The application relates to a cooking utensil with a draining function, which comprises a utensil body, a heating device, a pot liner and a draining valve arranged at the bottom of the pot liner. The heating device heats the pot liner. The pot liner is detachably arranged on the utensil body. The pot liner comprises a cooking cavity and a mounting port arranged at the bottom of the pot liner, and a rim part which is integrally formed with the pot liner and is close to the mounting port. The draining valve has an outer valve arranged at the mounting port and an inner valve which is detachably arranged on the outer valve. The outer valve is outwardly protrudingly arranged at the outside of the bottom of the pot liner to form an upper and lower opening mounting cavity in the inside of the outer valve. The lower end of the inner valve arranged in the mounting cavity does not protrude from the lower opening of the mounting cavity. The outer valve is arranged separately from the pot liner. Thus, the draining valve of the application can avoid processing defects caused by excessive metal stretching when integrally stretched, so that the draining valve can be reliably sealed in the outwardly protruding and separate outer valve, and the risk of water leakage of the draining valve is avoided.

This invention provides a grinding device for the outer diameter of textile rubber rollers, belonging to the field of rubber roller processing technology. It includes a rubber roller grinding machine, whose inner wall is slidably connected to a feed mechanism via a linear guide rail. A first sliding frame is fixedly connected to the top of the feed mechanism. This invention, by setting a support mechanism, effectively solves the processing defects caused by uneven elastic deformation of the rubber roller, improving processing quality and work efficiency. The support mechanism, by setting a first extrusion roller, a second extrusion roller, and a third extrusion roller, simultaneously applies extrusion force from the bottom, opposite, and top of the grinding point, respectively, ensuring that the extrusion force is consistent with the grinding force. This suppresses elastic bulging deformation of the rubber roller, allowing the grinding force to act on the material for cutting and removal, ensuring that the actual grinding depth matches the feed rate, thereby improving the problem of uneven local grinding, and enhancing the surface finish, processing efficiency, and dimensional consistency of the rubber roller.

This utility model relates to a laminating machine, specifically, a metal plate surface laminating machine, including a frame, a drive roller, and a drive component. The frame is horizontally positioned on the upper part of the frame, and an electrical control cabinet is located on one side of the front of the frame. Several drive rollers are horizontally spaced within the frame, and a drive component is mounted on the frame. The drive rollers are connected in series via the drive component, which drives each drive roller to rotate synchronously. This utility model uses a transmission component to drive two sliding tables to move synchronously in opposite directions or back to back, thereby causing the rotating roller to adapt to metal plates of different widths. Under the elastic action of a spring, the rotating roller tightly adheres to the surface of the metal plate, ensuring both effective clamping and positioning of the metal plate and synchronous rotation with the metal plate to assist in transmission. This effectively solves the problems of easy deviation and inaccurate positioning during metal plate transmission, ensuring that the metal plate enters the laminating mechanism with a precise posture.

The invention relates to the technical field of steam turbine cylinder body machining, and discloses an auxiliary device for steam turbine cylinder body machining, which comprises a shell, a water sprayer is arranged on the shell, the water sprayer is used for spraying water to a tank body in machining, a lifting device is further arranged in the shell, and the lifting device is used for driving the water sprayer to slide back and forth on the shell. According to the auxiliary device for steam turbine cylinder body machining, by arranging the lifting device, a water sprayer on the shell can conduct automatic height adjustment in a reciprocating circulating mode, so that the height can be changed in the tank body machining process, and compared with traditional fixed-point spraying, the tank body can be better cooled and washed; and meanwhile, the requirement for sliding of the lifting device is met through the driving mechanism, the requirement for kinetic energy is reduced, the machining cost is further reduced, and by arranging the adjusting mechanism, the water sprayer can be intermittently close to or away from the machining cylinder body while the sliding stability of the water sprayer is improved in an auxiliary mode.

The utility model provides a steering device for pipeline processing, which relates to the field of pipeline processing equipment, comprises a support base in contact with the ground, and solves the problems that the existing pipeline processing mode has many defects in the pipeline steering link, some small processing workshops and workers usually rotate pipelines manually, and the mode is low in efficiency and low in cost. In order to solve the problems that the machining quality is uneven due to the fact that the precision of the rotating angle of the pipeline every time is difficult to guarantee, the rotating angle of a rotating mechanism can be accurately controlled through meshing transmission of a guide tooth assembly and a driving gear, so that the pipeline is accurately rotated to the needed angle, the machining consistency and high quality are guaranteed, and meanwhile the machining efficiency is improved. And through the design of the moving mechanism and the clamping assembly, the position of the pipeline can be stably fixed and adjusted, the machining precision is further guaranteed, machining defects caused by pipeline position deviation are avoided, and the pipeline machining quality is effectively improved.

The invention discloses a gain medium for 1.5-1.6 [mu] m wave band laser and a laser device using the gain medium, and belongs to the technical field of laser devices. The Er < 3 + > / Yb < 3 + > double-doped YPO4 crystal has the characteristics of a layered structure and easy cleavage, a wafer obtained by cleavage from a growing blank crystal is directly used as a gain medium, and solid laser output at the wave band of 1.5-1.6 microns is realized by utilizing 975nm wave band semiconductor laser pumping. And a pair of natural cleavage surfaces of the cleavage wafer are respectively used as an input end surface and an output end surface of the laser gain medium. According to the technical scheme, cutting, polishing and other machining processes of the laser gain medium can be omitted, the preparation difficulty and cost of the laser gain medium are greatly reduced, and meanwhile machining defects caused in the cutting and polishing processes of the wafer can be avoided.