946 results about "Machining time" patented technology

The invention provides a micro-nano processing platform user machine-hour management method and device, a storage medium and equipment. The method comprises the following steps: acquiring an equipment reservation request sent by a user; calling a user initial machine hour from the equipment machine hour management system according to the user identity information; if the initial machine time of the user does not meet the equipment machine time sum of the equipment reservation request, sending a prompt message that the machine time is insufficient to the user; real-time equipment operation parameters and user real-time operation records of a user in the equipment operation process are obtained, and a user machine time adjustment strategy is obtained according to the real-time equipment operation parameters, the user real-time operation records and the equipment reservation request; and adjusting the initial machine time of the user according to the machine time adjustment strategy to obtain a final user machine time, and sending the final user machine time to the user. Through the user machine-hour management method, transparent machine-hour management of the micro-nano machining platform is realized, and meanwhile, the opinions of standard operation of the user and the use efficiency of the micro-nano machining platform equipment are improved by utilizing the equipment machine-hour adjustment strategy.

The utility model relates to the technical field of carrier roller welding, in particular to a modularized liftable roller welding platform which comprises at least two support sets, a lifting plate is installed on the top of each support set, the top of each lifting plate is in sliding connection with a V-shaped piece used for containing a carrier roller, and fixing plates are fixed to the two ends of the top of each lifting plate. The fixing plate is in threaded connection with an adjusting bolt, one end of the adjusting bolt abuts against the V-shaped piece, a fixing stud is fixed to the bottom of the lifting plate, the fixing stud is in threaded connection with a threaded cylinder, and the bottom of the threaded cylinder is rotationally connected with a supporting flat plate. The modular liftable roller welding platform has the beneficial effects that the modular liftable roller welding platform ascends and descends through the threaded cylinder, the height of the roller skin and the height of the receiving disc can be conveniently adjusted, and operation is convenient and fast; the modular V-shaped seat can meet the processing requirements of rollers with different diameters, and various combinations are realized; and the levelness and coaxiality requirements of the roller are guaranteed through the welding platform, the adjusting steps are simplified, and the machining time is greatly saved.

The invention provides a metal finish machining machine tool and a using method thereof, and belongs to the technical field of metal finish machining machine tools. The main shaft gear box is fixedly connected to the top of the machine body, a scrap iron groove is formed in the top of the machine body and corresponds to the main shaft gear box, a main shaft hole is formed in the side end of the main shaft gear box, and a clamping mechanism is arranged between the circumferential surfaces of the main shaft hole; the protective cover slides on the top of the machine body and corresponds to the spindle gear box and the scrap iron groove, the rotating disc drives the arc rod to deflect in a reciprocating mode, the arc rod drives the swing block to deflect in a reciprocating mode, the swing block drives the hollow rail and the cutter bar to deflect, the cutter bar drives the cutting knife to reciprocate in an arc mode, and the cutting knife conducts arc cutting on the spherical casting. The repeated arc feeding programming of the cutter is carried out on the surface of the ball casting, accurate cutting and polishing of the surface of the ball casting are accelerated, the machining time of a single ball casting is shortened, and the machining efficiency of a ball workpiece is effectively improved.

The invention discloses a free-form surface flexible polishing self-adaptive control method and device, and belongs to the technical field of ultra-precision four-axis polishing machine tool machining. According to the method, a high-efficiency closed-loop control system is constructed on the basis of a flexible head removal principle in combination with an automatic control technology and a pressure sensing technology, fine online capture of down pressure changes and self-adaptive adjustment of polishing parameters in the polishing process can be achieved, the limitation of the prior art is effectively overcome, and the intelligent level of the process is improved. Comprising a flexible polishing head and a downward pressure on-line detection device. The actual machining condition of the current position is analyzed by collecting downward pressure generated by deformation of the flexible polishing head in the polishing process, and technological parameters are automatically adjusted. The invention provides a more efficient and accurate free-form surface flexible polishing scheme, the machining time can be remarkably shortened, the labor intensity of technicians is relieved, and meanwhile, the machining precision is guaranteed and improved. The device has the advantages of simple structure, convenience in disassembly and assembly, high precision and the like.

The utility model discloses wire rod casing welding equipment which comprises a machine table, a first feeding mechanism, a clamp, a conveying mechanism, a second feeding mechanism, a casing mechanism, a peeling mechanism, a third feeding mechanism and a welding mechanism. An auxiliary mechanism used for assisting the shell sleeving mechanism in shell sleeving action is arranged between the shell sleeving mechanism and the conveying mechanism. The auxiliary mechanism comprises a first clamping piece, a first driving device and a first lifting device. Thus, through the design of all the mechanisms, the shell sleeving mechanism is used for grabbing the shell and arranging the shell on the wire rod, and the auxiliary mechanism is arranged in a matched mode, so that the wire rod is clamped and positioned, the shell sleeving operation of the wire rod is facilitated, the subsequent manual shell sleeving procedure is omitted, meanwhile, the wire rod is moved into all the procedures through the conveying mechanism to be machined, and the machining efficiency is improved. Therefore, automatic production of the wire rod, the shell and the head is achieved, the production efficiency of products is improved, the processing time is short, the production cost of the data line is reduced, the use requirements of users are met, the practicability is high, and the application range is wide.

The utility model discloses a flange trepanning device which comprises a bottom plate, a machine frame is fixedly installed on the bottom plate, a conveying disc is rotationally connected to the machine frame, a plurality of containing grooves are formed in the conveying disc, a flange plate is placed in one containing groove, an installation frame is fixedly installed on the right side of the machine frame, and an air cylinder is fixedly installed at the top end of the installation frame. A support is fixedly mounted at the output end of the air cylinder, a mounting seat is fixedly mounted at the bottom end of the support, a fluted disc is rotationally connected into the mounting seat, a plurality of gears are connected to the outer side of the fluted disc in a meshed mode, drill rods are fixedly mounted at the bottom ends of the gears, and a plurality of fixing seats are fixedly mounted on the outer side of the mounting seat. According to the flange tapping device, multiple holes can be drilled in the flange plate at a time, operation steps are reduced, the flange tapping device is suitable for batch machining of the flange plate, meanwhile, the waiting time in the drilling process can be fully utilized, the flange plate can be placed or taken out, the overall machining time is saved, and therefore the machining efficiency is further improved.

The invention particularly relates to a numerical control machining path optimization method for undercarriage shell machining, and relates to the technical field of numerical control machining. Generating an initial processing path and setting parameters; adjusting parameters driven by a path optimization algorithm; and performing virtual simulation verification and path correction. According to the method, Dijkstra and genetic algorithms are used for optimizing the machining sequence and path, strategies such as equal residual height control are adopted for balancing the cutting load, and the optimal cutting parameters are solved through a multi-objective function. The relation among the machining time, the surface roughness and the tool abrasion loss is fully considered in the process, and collaborative optimization of the machining efficiency, the machining quality and the tool service life is achieved. And the problems of low machining efficiency, substandard surface quality, premature wear of the cutter and the like caused by unreasonable parameters are avoided, the production cost is effectively reduced, and the production benefit is improved.

The invention relates to a laser dust removal device and battery welding equipment. The laser dust removal device comprises a rotary table, a laser dust removal device and a laser dust removal device, the clutch mechanism is arranged on the rotary table, and a dust removal channel is formed in the clutch mechanism; the dust removal mechanism comprises a plurality of dust removal suction pipes arranged in the circumferential direction of the rotating disc, one end of at least one dust removal suction pipe is connected with the clutch mechanism, and the other end of the dust removal suction pipe faces the corresponding station; and when the turntable rotates, the clutch mechanism is used for selectively communicating at least one dust removal suction pipe with the dust removal channel. According to the scheme, the dust removal mechanism and the rotary table can be combined into a whole, code carving and dust removal are conducted at the same time on the basis that the size of the rotary table and the number of stations are not increased, and the machining time of a single station is shortened.

The invention provides a drilling processing method for a ceramic substrate. The drilling processing method for the ceramic substrate comprises the following steps: forming a large hole in the ceramic substrate by adopting laser drilling, wherein the aperture of the large hole is 0.25-5mm or is 0.5 times greater than the thickness of the ceramic substrate; filling the macropores with a composite material containing a ceramic filler and thermosetting resin, and forming a supporting layer through a curing process; and the supporting layer is mechanically drilled to form small holes, and the hole diameter of the small holes is smaller than that of the large holes. According to the ceramic substrate drilling machining method, through stepped drilling of laser taper hole guiding, composite material filling and mechanical precision drilling, the problem that small holes of a thin substrate are prone to cracking during machining is solved, the yield is increased, the risk of breakage of a hard drill bit for mechanical drilling can be reduced, machining time is shortened, and the production cost is reduced; the drilling processing method is compatible with various ceramic substrates, and can solve the problem of multi-material integration of electronic packaging.

The invention discloses packaging equipment for secondary lithium ion battery processing, and relates to the technical field of lithium battery processing, the packaging equipment comprises a sealing edge pressing assembly, a cavity is axially formed in a machine body of the sealing edge pressing assembly, an adjusting bolt is mounted at the closed end of the cavity, and a pressing rod is axially mounted in the cavity in a sliding manner; one end of the pressing rod is elastically connected with the inner wall of the closed end of the cavity through a spring; close press fitting of a battery cover body can be achieved through axial sliding of a pressing rod overcoming the elastic force of a spring, meanwhile, in the upward moving process of a magnetic suction head, through abutting transmission of a back conical surface and a crank, a pressing strip is driven to clamp the peripheral side of a battery cover and be embedded into an annular groove for sealing, two key procedures are integrated in the same contact stroke, and the working efficiency is improved. The machining time is greatly shortened, the assembling efficiency is improved, and the automatic operation of the whole process of material taking and placing, feeding, press fitting and sealing is achieved through structural linkage of the three stages.

The utility model discloses a horizontal machining center and a machining center. The horizontal machining center comprises a base, a numerical control rotary table, a stand column, a sliding table, a spindle box, a tool magazine and a movable cutter head. The numerical control rotary table is slidably connected with the base through the X-axis guide rail. The stand column is fixed to the base. A Y-axis guide rail is arranged in the stand column. The sliding table is movably connected to a Y-axis guide rail of the stand column. The spindle box is slidably connected with the sliding table through the Z-axis guide rail and provided with a spindle. The tool magazine is fixed to the outer side of the stand column. The movable cutter head is movably arranged on the stand column through a movable piece, and a plurality of cutter clamping claws are arranged on the movable cutter head in the circumferential direction. The tool changing action of the main shaft is moved to the upper portion, the movable cutter head and the main shaft are used for tool changing, tools of the movable cutter head and the tool magazine can be exchanged in the normal working process of the main shaft, and efficiency is improved. Therefore, the problem that when the main shaft tool machining time is too short, tools cannot be exchanged in time between the tool disc and the large tool magazine, and waiting is caused is solved.

The invention discloses a centering rotary feeding device, belongs to the technical application field of numerical control inverted lathes, and is used for solving the feeding problem of a large inverted lathe. The device comprises a rotary feeding device and a workpiece centering device, the rotary feeding device is based on a rotary base, longitudinal movement of a sliding seat is achieved through a linear rail and a driving system, a feeding table is driven to rotate by 360 degrees in cooperation with a rotary bearing with a gear ring, and the feeding table is provided with a self-adaptive material table; the workpiece centering device is based on the centering base, the left centering arm and the right centering arm are driven by the bidirectional driving system to move synchronously, and quenching pads on the inner sides of the centering arms are arranged in a V shape to achieve automatic centering of workpieces. The device is made of cast iron materials, so that the rigidity is improved, the maximum bearing capacity is 3200 Kg, the feeding stroke is not smaller than 2500 mm, self-adaptive clamping and precise centering of workpieces can be achieved, the machining auxiliary time is saved, support is provided for development of large inverted lathes, and the device can also be used for other equipment needing feeding and discharging of heavy workpieces.

The invention relates to the field of intelligent manufacturing and production scheduling, and discloses a heater assembly line flexible scheduling method based on production data, and the method comprises the steps: S1, obtaining the production data of a heater assembly line and corresponding environment parameters; initializing an assembly line scheduling constraint condition; wherein the assembly line scheduling constraint condition is used for defining a processing time range, an equipment load threshold value and a material supply period reference value allowed by each process in the heater assembly process; s2, if the environmental parameters exceed a preset safety threshold, dynamically correcting the real-time production data according to the environmental parameters to obtain corrected real-time production data; wherein the environment parameters comprise temperature, humidity and air cleanliness, the scheduling effect evaluation model and the association rule mining algorithm are introduced, the production efficiency improvement rate, the equipment failure rate reduction degree, the material waste reduction amount and the like can be quantitatively evaluated, and the influence relation of the key equipment operation parameters on the scheduling effect is mined.

The invention relates to the technical field of tool clamp quick change, and discloses a combined machining center machining tool quick change device which comprises a shell, a spindle box is fixedly connected to the top of the inner wall of the shell, a sliding door is connected to the front side of the inner wall of the shell in a bi-directional sliding mode, and a spindle cutter is fixedly connected to the bottom of the spindle box. Longitudinal workbenches are installed on the front side and the rear side of the inner wall of the shell, and transverse workbenches are installed on the left side and the right side of the inner wall of the shell. According to the invention, the replacement efficiency of the tool is improved, and the downtime is shortened, so that the quick positioning and locking of the fixture plate are realized by arranging the quick fixture plate positioning and fixing assembly in cooperation with steel balls, compression springs and other structures of the locking assembly, a plurality of bolts do not need to be disassembled, and the tool replacement process is simple and quick; and meanwhile, workpiece clamping and clamp debugging outside a machining machine tool are supported, parallel operation of machining and clamping is achieved, the traditional mode of tool replacement after shutdown is thoroughly changed, and the non-machining time of the machine tool is greatly shortened.

The invention relates to the technical field of computer aided design and numerical control machining simulation, in particular to a five-axis linkage numerical control machine tool machining simulation modeling method and system. Comprising the following steps: acquiring a workpiece space three-dimensional model, tool geometric model data and a six-dimensional pose data sequence; a dynamic virtual view cone is constructed, and the workpiece space three-dimensional model is divided into different areas; calculating spatial distances corresponding to different areas and mapping the spatial distances into different grid resolutions; performing spatial discretization and integration on the corresponding areas according to different grid resolutions to obtain a multi-resolution dynamic workpiece model, and performing Boolean material removal simulation to obtain a machining state model; and carrying out time sequence fusion on the machining state models at all moments to obtain a workpiece machining time sequence simulation model. According to the method, the processing process is sensed through the dynamic virtual view cone, adaptive distribution of modeling resources is realized, the problem of resource waste caused by uniform partitioning is solved, and the simulation efficiency is remarkably improved while the precision of a key region is ensured.

The invention provides a mechanical grinding auxiliary efficient electrolytic machining method and system, and relates to the field of electrolytic grinding machining.The method comprises the steps that firstly, a tool grinding wheel is prepared, and insulating abrasive particles are attached to the surface of the tool grinding wheel; the surface of the workpiece is machined through the tool grinding wheel; during machining, the tool grinding wheel keeps rotating at a high speed, a plow shape comprising a raised part and a sunken part is formed on the surface of a workpiece, and the surface area of a workpiece machining area is increased; and carrying out electrolytic reaction on the processed workpiece. The method for assisting electrolytic machining based on mechanical grinding is applied to the field of electrolytic machining, is used for improving the machining efficiency and reducing the machining time and cost, has wide industrial application prospects, can effectively improve the electrolytic removal efficiency in the rough machining stage of large-allowance workpieces, and meets the industrial production requirements.

The invention provides an intelligent marking and analyzing method for steel production quality based on multi-process space-time mapping. The method comprises the following steps: acquiring a time sequence curve of characteristic parameters, material tracking data and material quality data of a target material in each process in production; according to the material tracking data, establishing a mapping model of the processing position, the process processing time and the cross-process processing position; standardized marking is conducted on the machining position and the machining time interval based on the mapping model; extracting corresponding time sequence curve features based on the annotation interval; analyzing the difference between the target material and the reference material based on feature comparison; and generating a diagnosis result according to the analysis result. The technical problems that in the prior art, the process curve feature extraction mode is single, cross-process data are difficult to associate, and the quality problem tracing efficiency is low are solved.

When the hub turning and drilling combined machining equipment works, a first driving mechanism and a first tool turret can cooperatively drive a bolt hole machining assembly to drill a bolt hole in a hub to be machined; the second driving mechanism and the second tool turret can cooperatively drive the valve hole drilling assembly to drill a valve hole in the hub to be machined and then cooperatively drive the valve hole recessing assembly to recessing the end of the valve hole. Specifically, in the process that the bolt hole machining assembly conducts bolt hole machining on the hub to be machined, the valve hole drilling assembly drills a valve hole in the hub, and then the valve hole recessing assembly performs recessing on the end of the valve hole. Therefore, a corresponding valve hole can be machined in the hub to be machined in the process of machining a bolt hole in the hub to be machined, the corresponding machining time can be greatly saved, and in addition, a hub machining system applying the hub turning and drilling combined machining equipment is more compact in layout and high in space utilization rate.

The internal thread turning and grinding combined machining equipment comprises a machine tool body, a workpiece main shaft, an internal thread grinding wheel main shaft, an internal thread grinding wheel main shaft swing angle device and a turning tool device, an X-direction sliding plate and a Z-direction sliding plate are arranged on the machine tool body, and the turning tool device is arranged on the X-direction sliding plate. The turning tool device comprises a tool apron and a deep hole turning tool with one end fixedly connected with the tool apron, the internal thread grinding wheel spindle swing angle device and the turning tool device can be arranged on the X-direction sliding plate, and when an internal thread deep hole part with the large length-diameter ratio is dealt with, the deep hole turning tool and an internal thread grinding wheel spindle are used for achieving the technological process of firstly turning and then grinding; the clamping frequency is reduced, the machining precision is improved, the machining time is shortened, the machining cost is reduced, and the machining efficiency is improved.

The invention particularly discloses a wafer heavy scratch three-dimensional shape repairing process based on a DFG 8560 single-axis accurate grinding mode, and aims to solve the problems that deep subsurface damage is introduced by rough grinding in a traditional double-stage grinding process, the machining efficiency is low, and material waste is serious. The process comprises the following steps: identifying a heavy scratch defect existing on the surface of a wafer through an automatic optical detection system; a ceramic bond diamond grinding wheel with the particle size of 8000 is adopted, uniaxial accurate grinding is conducted through ultrapure water cooling under the optimized parameters that the rotating speed of a main shaft is 1300-2300 rpm, the rotating speed of a workbench is 1785-2100 rpm and the rotating speed ratio is 0.6-1.3, and three-dimensional shape repairing is directly completed by skipping rough grinding; the rotating speed and pressure of grinding are dynamically regulated and controlled in three stages, the total time is less than or equal to 135 seconds, and the removal amount is 6-12 microns. By the adoption of the technical scheme, the surface roughness Ra can be smaller than 0.5 nm, the subsurface damage layer can be smaller than 50 nm, the repair success rate is larger than 98.5%, the machining time is remarkably shortened by 35% or above, and the material removal amount is reduced by 40%.

The invention relates to the technical field of numerical control machining centers, and provides a numerical control machining center protection method and system.The numerical control machining center protection method comprises the steps that vibration signals are collected and decomposed to obtain trend terms; a tool wear compensation factor is obtained based on the tool accumulated machining duration and the material removal amount, and compensation correction is conducted on the trend term according to the tool wear compensation factor; and obtaining a basic collision risk probability according to the compensated and corrected trend term. According to the method, the baseline offset of the vibration signal can be compensated and corrected in real time based on the accumulated machining time length of the cutter and the material removal amount, the time accumulation (thermal fatigue effect) and the cutting load (mechanical wear) of the cutter can be responded at the same time, the accuracy of basic collision risk probability calculation is improved, and safety protection of the numerical control machining center can be better achieved.

The invention relates to the technical field of reinforcement cage machining, and discloses a reinforcement cage machining binding auxiliary device which comprises a machining frame and two bearing rollers rotationally installed on the two sides of the top face of the machining frame, a driving structure is arranged on the side face of the machining frame, and a welding plate is arranged on one side of the machining frame. A feeding plate is arranged on the other side of the machining frame, and a welding gun is arranged on the upper portion of the welding plate. The bearing roller, the reciprocating lead screw and the steel bar disc are synchronously linked through the driving motor, automatic collaborative operation of rotation of a steel bar cage, unwinding of the spiral stirrups and movement of the welding gun is achieved, the reciprocating lead screw drives the welding plate and the feeding plate to precisely slide along the machining frame, it is guaranteed that the spiral stirrups are evenly wound, and production efficiency is improved. The transmission gear is meshed with the fixed teeth to achieve automatic unwinding of a steel bar disc, manual intervention is reduced, the machining time of a single steel bar cage is shortened, meanwhile, distance deviation caused by manual operation is avoided through mechanical positioning, and the high-strength engineering requirement can be met.

The invention discloses a pipeline machining coordination control system and method, belongs to the technical field of industrial automatic machining, and aims to solve the problems of high space interference risk, frequent time window conflicts and low machining efficiency in collaborative machining of multiple machining devices. The method comprises the following steps: acquiring pipeline basic data, matching machining procedures, and generating a machining task queue; then, on the basis of parallel and sequential relations between tasks and machining equipment safety spacing requirements, parallel and sequential process groups are divided, optimization models with minimization of total machining time and adjacent process intervals as targets are constructed respectively, and pipeline port initial area distribution and machining equipment bounding box spacing constraints are combined, so that the pipeline port initial area distribution and machining equipment bounding box spacing constraints are optimized, and the pipeline port initial area distribution and machining equipment bounding box spacing constraints are optimized. Planning a processing area path and a time flow sequence of each processing device, and generating an initial processing instruction; double-layer detection of space attitude deviation and time window conflict is implemented by collecting attitude position and processing time data of processing equipment in real time, processing instructions of the processing equipment are updated, and collaborative operation of the multiple processing equipment under safety constraints is ensured.

The utility model discloses a vertical drilling machine for multi-station machining, which comprises a base, a positioning column is arranged in the base, the top of the positioning column is connected with an operating frame, a rotary table is arranged at the top of the base, a plurality of placing tables are arranged on the rotary table, positioning mechanisms are mounted on the placing tables, and workpieces are clamped on the positioning mechanisms. A plurality of sliding grooves are formed in the periphery of the operation frame, a lifting seat is arranged in each sliding groove in a sliding fit mode, a driving mechanism is arranged in each lifting seat, the bottom of each driving mechanism is connected with a cardan shaft, the bottom of each cardan shaft is connected with a drilling assembly, an operation cover is arranged at the bottom of each lifting seat, a plurality of hoisting plates are installed at the bottom of each operation cover, and the drilling assemblies are installed on the hoisting plates respectively. The drilling machine has the advantages that automatic clamping and automatic positioning drilling can be carried out, multi-hole machining of the same workpiece can be carried out at the same time, multi-axis machining of the workpiece is achieved, meanwhile, overall arrangement is simple, feeding and discharging of the workpiece are facilitated, and the drilling machining time is shortened.

The invention relates to the technical field of drilling machines, and discloses a novel micro-hole ultrasonic vibration drilling machine which comprises a workbench and further comprises an adjusting mechanism arranged at the top of the workbench and used for adjusting the position of a workpiece, a clamping mechanism arranged on the adjusting mechanism and used for clamping and fixing the workpiece, and a fixing frame installed at the top of the workbench and used for fixing the workpiece. The hydraulic cylinder is installed on the fixing frame, the main shaft system is arranged at the bottom of the movable end of the hydraulic cylinder, the energy converter is arranged on the main shaft system, the amplitude-change pole is arranged on the energy converter, the tool is arranged on the amplitude-change pole, and the positioning mechanism is arranged on the main shaft system; the guide rails are arranged around the inner wall of the frame. The connecting plate and the moving seat are driven by the linear motor in the adjusting mechanism, the position of the workpiece can be quickly and accurately adjusted, manual frequent adjustment is not needed, the machining efficiency is greatly improved, the machining time is shortened, and the batch machining requirement is met.

The invention belongs to the technical field related to robot machining dynamics, and discloses a robot milling system tail end nonlinear frequency response modeling method and device and application, and the method comprises the steps: S1, building a robot tail end nonlinear frequency response model through experimental analysis; s2, linear kinetic parameters and nonlinear kinetic parameters of the nonlinear frequency response model are identified through a harmonic detection method, and nonlinear response of the robot milling system is analyzed based on Volterra series; and S3, identifying parameters of a joint part of the main shaft and the cutter handle based on the obtained kinetic parameters, and predicting a force / displacement frequency response function of the cutter point of the robot milling system in combination with an RCSA theory so as to realize modeling of nonlinear frequency response of the cutter point of the robot milling system. The machining time cost and the economic cost are reduced.

The invention discloses a tool monitoring system for precision machining equipment, and the system comprises a sensor module which is used for collecting a tool cutting force signal, a vibration signal, a temperature signal and a main shaft power signal in real time; the data acquisition module is used for acquiring a cutting force signal, a vibration signal, a temperature signal and a main shaft power signal of the cutter in a machining process in real time; and the alarm module receives the alarm instruction of the data analysis module. According to the tool monitoring system of the precision machining equipment, the cutting force sensor, the vibration sensor, the temperature sensor and the main shaft power sensor are arranged, so that the tool can be conveniently detected in all directions, and the problems of tool missing, chip winding and cutting output change are avoided. And by means of the tool service life management module, the use duration and the machining frequency of the tool can be recorded, the service life of the tool can be predicted conveniently, and machining and use of the workpiece are facilitated.

A dental machining system for manufacturing a dental restoration, including: a dental tool machine which includes: a dental blank holder for holding one or more dental blanks relatively movable with respect to one or more dental tools; one or more driving units each for movably holding at least one dental tool for machining the dental blanks; a determination unit for determining the type of each dental blank; an adjustment device for allowing the user to adjust the machining time, a level of quality of the dental restoration, and a level of security of the dental restoration and dental tool against machining damage. The system further includes a control unit which executes a trained artificial intelligence algorithm adapted to generate process parameters for the machining.

The invention belongs to the technical field of five-axis machining, and particularly relates to a five-axis high-speed external milling machine for crankshaft machining, the five-axis high-speed external milling machine comprises a five-axis external milling machine body and a crankshaft body, a total operation arm is mounted on the five-axis external milling machine body, an operation support arm is mounted on the total operation arm, and a transmission shaft is rotatably arranged in the operation support arm. Under the action of the cooling and pressurizing assembly, external air enters the pressurizing base to be pressurized, the cooling and pressurizing assembly is matched with the lubricating assembly to enable low-temperature lubricating oil to cool air pumped into the pressurizing base, finally, high-pressure cold air is exhausted through the high-pressure air outlet pipe, and the primary cooling effect on the tool bit body is achieved; the temperature of the workpiece and the cutter is controlled to a great extent, thermal deformation of the crankshaft is reduced, extremely high machining size stability and geometric accuracy are ensured, meanwhile, the machining time is remarkably shortened, and the production efficiency is improved.

The utility model discloses a positioning tool for finish machining of an end cover of a small crane, which belongs to the field of end cover machining and comprises a machining table, a connecting rod is fixedly mounted at the top end of the machining table, a disc is fixedly mounted at the top of the connecting rod, and a second bevel gear is rotatably mounted in the disc. A stud is fixedly installed at one end of the second bevel gear, a fixing rod is installed on the surface of the stud in a threaded mode, and a protection pipe is fixedly installed on the outer wall of the bottom end of the fixing rod. The overall machining time is greatly shortened, the drilling precision is further improved, the practicability of the overall device is improved, in addition, the tool is made to meet the machining requirements of more annular end covers through height adjustment and diameter value adjustment, and the overall practicability of the device is further improved.