146 results about "Machine tool control" patented technology

The invention relates to the technical field of machine tool control, and provides a machine tool machining control method and system.The method comprises the steps that in the machine tool machining process, microenvironment parameters of a cutting area are obtained and monitored; obtaining a cutter type, a workpiece material attribute and a preset cutting parameter corresponding to the machine tool; based on the tool type, the workpiece material attributes and the preset cutting parameters, an initial judgment basis of the tool wear speed is established; according to the deviation between the microenvironment parameters and a preset standard value, the initial judgment basis is corrected, and the corrected tool wear speed is obtained; according to the actual tool abrasion loss, the rule for subsequently correcting the initial judgment basis is optimized; and based on the corrected tool wear speed, the tool remaining life is updated, and when tool wear reaches a preset threshold value, a compensation strategy of the cutting parameters or the tool path is decided and executed in combination with the value of the machined workpiece and the remaining machining task. The method has the effect of improving the prediction accuracy of the tool wear speed.

The invention relates to the technical field of precision manufacturing, and discloses a high-precision numerical control machine tool thermal error compensation method and system.The method comprises the steps that temperature data of key parts of a machine tool are collected in real time through a sensor array, and temperature distribution is generated through preprocessing; simulating a heat propagation path based on finite element analysis to obtain thermal deformation distribution; quantizing contribution values of multiple heat sources to cutter position offset by adopting a neural network model; when the contribution value exceeds a threshold value, activating a cooling system compensation mechanism to generate an offset correction amount; the correction is fused into a machine tool control system to optimize a tool path, and the thermal error model is dynamically updated based on the deviation between the actual machining position and the predicted deformation; and finally, a self-adaptive control strategy is generated in combination with the working condition parameters and the heat source contribution value, and accurate control over thermal errors is achieved through real-time feedback circulation. The method can solve the problem of low machine tool thermal error control precision in the prior art.

The invention provides a spindle constant-temperature AI closed-loop heat engine system, and relates to the technical field of numerical control machine tool control and heat management. The invention aims to solve the problems of response lag, uncontrollable thermal stress, single heating strategy and the like of the traditional spindle heat engine method. The system comprises a multi-dimensional thermal state sensing module used for constructing a multi-node discrete temperature field representing the overall thermal distribution of the main shaft; the real-time heat balance feedback module is used for judging the cold / hot starting state of the main shaft according to the initial temperature difference and executing a differentiated feedback control strategy; and an AI prediction forward compensation module that predicts a future cutting thermal load by pre-reading a machining instruction and generates a feedforward thermal compensation instruction. According to the method, the thermal stress is controlled by introducing the radial thermal gradient index as the safety constraint, negative precooling or positive preheating is achieved in combination with the AI predictive capacity, a feedback and feedforward composite control mode is formed, and the dynamic thermal stability and the machining precision of the main shaft under the complex working condition are improved.

The invention relates to the technical field of numerical control machine tool control, and discloses a numerical control rotary table precision compensation method and system based on digital twinning. The method comprises the following steps: constructing a digital twin model of the numerical control rotary table for simulating a deformation behavior under a thermal-mechanical coupling effect; multi-source physical field sensing data such as bearing temperature, servo motor current and rotary table angular displacement are collected in real time; the digital twin model is driven by the sensing data to perform thermal-mechanical coupling simulation, and a comprehensive error prediction value is obtained; generating a compensation trigger signal based on a comparison result of the error prediction value and a preset threshold value; in response to the trigger signal, generating an axis motion feed-forward compensation instruction through inverse kinematics calculation; and the compensation instruction and the original machining instruction are executed after being superposed. Dynamic prediction and active compensation of the precision of the numerical control rotary table are achieved, and the machining precision and stability are effectively improved.

The invention provides a digital twinning five-axis machine tool kinematics transformation method, system and device and a medium, and belongs to the field of numerical control technology and digital twinning crossing technology. The method comprises the steps that axis parameters are collected from a five-axis machine tool controller; constructing a unified five-axis parameter set comprising axis types, axis reference points and direction vectors; a hierarchical homogeneous transformation chain is constructed in a machine tool base coordinate system based on the parameter set, and forward kinematics transformation from a mechanical coordinate system to a workpiece coordinate system is achieved; and based on the unified parameter set and the transformation chain, reversely solving an axis position vector from a tool position instruction of the workpiece coordinate system and mapping the axis position vector back to a controller coordinate. By adopting the digital twin five-axis machine tool kinematics transformation method, system and equipment and the medium, the problems of poor model reusability and inconsistent virtual-real mapping caused by machine tool structure difference and numerical control system diversity are solved, cross-platform and cross-model general reversible kinematics transformation is realized, and the method has the advantages of high practicability and high practicability. And the engineering applicability and deployment efficiency of the digital twin model are improved.

The invention relates to the technical field of numerical control machine tool control, and provides an automatic precision adjustment control method and system for a numerical control machine tool, and the method comprises the steps: continuously judging the influence degree of a non-uniform mechanical wear error and a thermal deformation error on the current machining precision according to a non-uniform mechanical wear error feature and a thermal deformation error feature; according to the non-uniform mechanical wear error characteristics, calculating the mechanical wear compensation amount related to the motion axis position and the motion direction; according to the thermal deformation error characteristics, calculating a thermal deformation compensation amount related to the machining time length; according to the influence degree, the combination mode of the mechanical wear compensation amount and the thermal deformation compensation amount is adjusted, the mechanical wear compensation amount and the thermal deformation compensation amount are fused based on the combination mode, and a motion instruction compensation value is generated; and continuously superposing the motion instruction compensation value into an original motion instruction of the numerical control system so as to realize automatic precision adjustment and control. The method has the effect of improving the machining precision, stability and production efficiency of the numerical control machine tool.

The invention relates to the technical field of numerical control machine tool control, and discloses a rapid tool changing method and system for an automobile auxiliary frame machining center, and the method comprises the steps: analyzing a machining program, building a tool multi-dimensional feature space and time sequence association weight matrix, and generating a tool magazine topology layout considering stroke efficiency and static load balance; the tool magazine is controlled to execute the excitation sequence to conduct in-situ kinetic parameter identification, and tool quality parameters are corrected; generating a full-path position-speed coupling control map defining a local speed upper limit in combination with the geometric curvature of the path and the dynamic constraint; the process remaining processing time is compared with the shortest motion time in real time, and an adaptive speed scaling factor is calculated to generate a dynamic speed instruction. The problems of load unbalance and turning impact during high-speed operation of the heavy tool magazine are solved, mechanical vibration and system energy consumption are remarkably reduced on the premise that the machining takt is guaranteed, and tool changing safety is improved.

Provided is a machine tool control device that makes it possible to alleviate shock generated in a machine tool during an oscillation cutting process. A control device 1 for a machine tool that carries out a process by relatively oscillating a tool and a workpiece is provided with: an oscillation command generation unit 13 that generates an oscillation command on the basis of an oscillation condition; an oscillation start / end determination unit 14 that determines start / end of oscillation on the basis of the oscillation command; and a position speed control unit 18 that relatively oscillates the tool and the workpiece on the basis of a superimposed command generated by superimposing the oscillation command on a moving command according to a determination result of the oscillation start / end determination unit 14. The oscillation start / end determination unit 14 determines start / end of oscillation when the absolute value of the oscillation command is no greater than a predetermined value.

The invention provides a numerical control machine tool control method and system based on real-time machining data feedback, and relates to the technical field of machine tool control. Predicting control quality based on the multi-source data to obtain predicted quality; generating an online control constraint according to the predicted quality and the machine tool safety boundary; under the online control constraint, solving optimization is carried out by taking the machining cycle, the tool wear increment and the instantaneous power as targets, and target control parameters are obtained; and issuing and executing the target control parameters, executing parameter rollback when abnormal out-of-limit is detected, and performing incremental updating on the predictive control quality process by taking a rollback result as feedback. The technical problem that in the prior art, the control quality of a numerical control machine tool is poor can be solved, and the technical effect of improving the control quality of the numerical control machine tool is achieved.

This application relates to the fields of visual perception and robotic loading / unloading technology, and particularly to a method and related equipment for visual perception and recognition of material status during machine tool loading / unloading. The method includes: acquiring real-time images of materials within a loading box; processing these images using a pre-trained hybrid recognition model that integrates deep learning and traditional visual feature extraction; branching processing according to classification results; optimizing local images of normal materials for scene adaptation; extracting contour features and key geometric parameters; comparing these parameters with a standard parameter library to determine the posture; and integrating the results to output a comprehensive recognition result. It also includes steps such as model pre-training and parameter library construction, enabling accurate identification and precise positioning of material status, adapting to multiple working conditions and dynamically adjusting to changes, providing effective information for the machine tool control system.

The present application aims to provide a work machine capable of improving workability by maintaining a work state of a work tool in line with an operator's intention in machine control to follow a work target surface. Therefore, a controller determines a work state of a work tool based on an operation input amount input from an operation input device and a posture of the work tool with respect to a target surface, and calculates a range of an actuator command value of an actuator that maintains the determined work state, and corrects the actuator command value within the range so that the distance between the work tool and the target surface is reduced.

The utility model discloses a wire cutting machine tool control cabinet convenient to overhaul, belongs to the technical field of wire cutting machines, and aims to solve the problem that a traditional control cabinet is generally inconvenient to overhaul: a large number of connecting pieces need to be disassembled during overhaul when internal electrical components are installed and fixed; the cable distribution cabinet comprises a cabinet body, the cabinet body is divided into an installation space and a cable thinning space by a partition plate fixedly connected in the middle, groove pieces are arranged in the middles of the front ends of the two sides of the installation space, each groove piece is provided with a plurality of sets of rotating mechanisms, and the front side of the installation space is provided with a double-opening-closing door capable of being completely opened. A maintenance groove is formed in the rear side of the cabinet body, a rear cover plate is fixedly connected to the rear side of the cabinet body through a plurality of bolts, a drawable cable storage box is arranged in the cable thinning space, and the rotating mechanism can enable the mounting plate to rotate outwards by 90-180 degrees; according to the utility model, through rotation exposure type maintenance and modular cable management, the maintenance efficiency is significantly improved, and the device is suitable for industrial scenes of high-frequency maintenance.

This invention discloses a spatial error prediction and compensation method for CNC machine tools based on digital twins and data-driven approaches, belonging to the field of CNC machine tool control technology. This invention addresses the problems of existing CNC machine tool spatial error compensation methods, which generally rely on offline, fixed mechanistic models, making it difficult to accurately describe and adapt to the dynamic, time-varying, and nonlinear coupling characteristics of errors in actual machining, and lacking the ability to predict and actively suppress future errors. This invention constructs a digital twin of the CNC machine tool that integrates a data-driven prediction model, trains the error model based on multi-source industrial big data, and achieves synchronous virtual-real simulation. This enables accurate real-time prediction of complex dynamic errors and converts them into feedforward compensation quantities to proactively correct CNC machine tool motion commands, thereby realizing a shift from passive lag correction to proactive prediction and prevention. This significantly improves the machining accuracy and adaptability of CNC machine tools under high dynamic and multi-condition conditions.

The invention discloses a machine tool performance testing method and device, a medium, a program product and electronic equipment, the machine tool performance testing method is applied to a machine tool, and the machine tool comprises a main body and a cutting part installed on the main body. The machine tool performance test method comprises the following steps: controlling a cutting piece to perform multiple cutting operations on a test original piece under the condition that a machine tool test condition is met so as to process the test original piece into a test workpiece; the cutting operation comprises the steps that the cutting part is controlled to cut the test original part based on a preset path to form a cutting hole and a step, and the step comprises side edges perpendicular to each other and side edges parallel to each other; wherein in the at least two times of cutting operation, the rotating speeds of the cutting piece are different. According to the machine tool performance testing method, the machine tool controls the cutting part to adopt different rotating speeds in at least two times of cutting operation, the limitation of a traditional constant rotating speed test is overcome, and a more real and comprehensive evaluation basis is provided for the comprehensive performance of the machine tool.

A device that creates information related to a machining program includes a numerical control device, a PC in which machining program creation software is installed, and a dedicated device that is an emulator for the numerical control device. The numerical control device acquires setup information required for a setup operation from the information related to the machining program of a machine tool controlled by the numerical control device and acquires setup basic information from information registered in a device configured to execute the machining program of the machine tool. Setup support information is then generated from the setup information and the setup basic information. Accordingly, the numerical control device supports a setup operation of the machining program by using the acquired setup information and the generated setup support information.

In order to configure a multi-spindle machine tool comprising a machine frame, a spindle drum arranged on the machine frame to be rotatable about a spindle drum axis and having a plurality of workpiece spindles, each of which is provided with a workpiece receptacle for a workpiece that is to be machined in a working area, a plurality of tool carriers arranged in the working area, in particular associated with individual spindle stations, and each having a tool holder receptacle into which a tool holder is insertable, as well as a machine control system for controlling the machine tool to be more efficient, it is proposed that a handling apparatus is arranged on the machine frame, that with the handling device, also controlled by the machine control system, at least one tool holder is insertable into at least one of the tool holder receptacles and / or removable therefrom.

The invention relates to the technical field of numerical control machine tool control, in particular to a method and system for correcting and positioning a double-shaft numerical control machine tool based on an alignment platform. The method comprises the following steps that an alignment platform is installed on the double-shaft numerical control machine tool, the alignment platform comprises a displacement measuring unit and an angle adjusting unit, the displacement measuring unit is used for collecting position information of the end of a main shaft, and the angle adjusting unit is used for multi-degree-of-freedom pose adjustment; controlling the double-shaft numerical control machine tool to execute a preset test motion trail, and acquiring actual position data of the end part of the main shaft through a displacement measurement unit to obtain an actual position data set; and extracting a theoretical position data set corresponding to the preset test movement track from a numerical control system of the double-shaft numerical control machine tool. According to the method, the problem that the asymmetric positioning deviation generated by heat-force coupling in complex curved surface machining of a double-shaft machine tool is difficult to trace and correct in real time is fundamentally solved.

This invention provides a workpiece machining method that allows for a constant peripheral speed of the workpiece relative to the machining head with a simple configuration. [Solution] The workpiece processing system 1 comprises a machine tool 2, a robot 3 having a processing head 34, a first memory 104 for storing a first program that defines the operation of the machine tool 2, a second memory 114 for storing a second program that defines the operation of the robot 3, a machine tool control processor 109 that reads and executes the first program to control the rotational movement of the workpiece W so that the peripheral speed of the workpiece W relative to the processing head 34 remains constant, and a robot control processor 119 that reads and executes the second program to control the robot 3 so that the processing head 34 moves along the processing surface WS of the workpiece W at a feed rate F that keeps the peripheral speed V of the workpiece W relative to the processing head 34 constant.

The present invention provides a technology that enables the simple control of actions of an external device, for example, a robot, via a signal from a numerical control device. A numerical control device is provided, which is connected to an external device via a control unit and which uses a numerical control program to control the external device. The numerical control device comprises: a signaling unit that controls actions of the numerical control device in response to a signal from a machine tool controlled by the numerical control device; and a plurality of control systems, comprising a control system for the external device and a control system for the machine tool.A signal selection unit that selects from the multitude of control systems other than the control system of the external device a control system with which the control system of the external device refers to a specific signal; a signal determination unit that determines whether or not notification of the specific signal has been received from the one control system selected by the signal selection unit; and a signal transmission unit that, if notification of the specific signal has been received, notifies the control device of the specific signal, the control device controlling the control system of the external device according to the notified specific signal.

The application discloses a numerical control machine tool control method and system for complex curved surface machining, and relates to the field of numerical control machine tool control. The method comprises the following steps: extracting an original G code instruction stream, reconstructing ideal position instruction sequences and ideal speed instruction sequences of each motion shaft according to a machine tool kinematic chain model; estimating instruction phase lag amounts of each motion shaft through an inter-shaft phase lag predictor; combining geometric curvatures and tangent directions of a machining path, calculating estimated profile error vectors through a profile error coupling mapping model; combining profile accuracy requirement constraints of a surface to be machined and a shaft contribution weight matrix, and constructing a compensation optimization model; and fusing inter-shaft phase compensation instructions and the original G code instruction stream in a numerical control machining program according to a solution of the compensation optimization model, generating a synchronized instruction stream, and driving each shaft of the machine tool to move. The method solves the problems of poor synchronization of multi-shaft cooperative movement, low estimation accuracy, and low adaptability of instructions to mechanical structure characteristics of the machine tool.

The utility model relates to the technical field of dustproof numerical control machine tools, in particular to a dustproof numerical control machine tool control panel which comprises a numerical control machine tool body, the numerical control machine tool body comprises a first groove, the first groove is formed in the side wall of one side of the numerical control machine tool body, and a control panel body is installed in the first groove. A mounting frame is mounted on the side wall of one side of the numerical control machine tool body, a second groove is formed in the mounting frame, a third groove is formed in the side wall of one side of the numerical control machine tool body, a first guide wheel is mounted on the side wall of one side of the third groove, and a glass groove is formed in the mounting frame. According to the utility model, through the mutual cooperation of the second sliding block and the second sliding rail, the pulling rope pulls the transparent glass plate to slide in the second sliding rail through the second sliding block, so that the transparent glass plate can conveniently slide into the glass groove to open the control panel main body, and an operator can conveniently use the control panel main body.

The application discloses a numerical control machine tool control system based on big data, a data acquisition module acquires tool wear during production of the numerical control machine tool, load information of the machine tool during machining, machining precision error of workpiece machining and a machining precision error change rate; relates to the technical field of intelligent control, the system comprehensively utilizes big data and a fuzzy self-adaptive control algorithm, the fuzzy self-adaptive control algorithm determines a feed rate adjustment range based on fuzzy information of a machining state, selects a feed rate scheme with the highest fitness function in a scheme set containing all possible feed rates by setting the fitness function, and a feed rate correction adjustment module dynamically adjusts the feed rate according to actual machining precision, so that the difference between the feed rate scheme determined by the fitness function and actual machining is made up. Through the synergistic effect of these technologies, the machining precision and efficiency of the numerical control machine tool are effectively improved.

The invention relates to the field of machine tool control and feed compensation, in particular to a self-adaptive control method for a stepless speed regulation spindle box of a floor type boring machine. The method comprises the following steps: acquiring multi-sensing channel original data of a spindle box, and generating a running state vector after access synchronization and quality screening; gear analysis and load and flutter prediction are carried out, and a speed regulation braking instruction is generated through speed profile shaping and constraint synthesis; executing conversion control, gear shifting coordination and lubrication cooling linkage to generate an operation result; thermal error online identification and compensation write-in are carried out, thermal error identification outputs compensation quantity through temperature sample correction, feature calculation and recursive estimation chain, and compensation quantity atoms are written into a numerical control system through segmented mapping and gating write-in strategies in compensation write-in. Intelligent speed regulation, thermal error real-time closed-loop compensation and self-adaptive decision making under multi-source information fusion are achieved, and the machining precision, the dynamic response stability and the equipment reliability are effectively improved.

The application discloses a machine tool effective working hour metering method, device, equipment and storage medium, and relates to the technical field of numerical control machine tool control. The method comprises the following steps: after detecting a permitted personnel identifier, collecting multi-dimensional running data of a target machine tool in a running process; obtaining a current interactive operation scene triggered by the multi-dimensional running data; and determining effective running working hours of the target machine tool according to the current interactive operation scene and a preset working hour metering rule. The application binds user operation behavior characteristics and machine tool equipment state data, dynamically matches a man-machine interactive operation scene through collected multi-dimensional running data, and accurately meters machine tool effective processing working hours according to a current interactive operation scene recognized in real time and a preset working hour metering rule which is individually set according to different interactive operation scenes. Compared with an existing working hour metering method which relies on manual recording or independent sensors, the application can distinguish different operation scenes, realize scene-based intelligent decision-making, and improve working hour metering accuracy.

The invention discloses a casting head cutting and grinding NC program generation method and system, and relates to the technical field of intelligent control, and the specific steps are as follows: obtaining a machine tool reference coordinate system, associating a feeding motion coordinate axis, a workpiece pose axis and a cutter pose axis with a set axis of a machine tool control system based on the machine tool reference coordinate system, and according to a casting three-dimensional mathematical model, generating a casting head cutting and grinding NC program; defining key parameters by taking a process step as a unit, and generating an initial preset NC code covering the whole process characteristics; based on the obtained point cloud data of the workpiece in the current working step, the installation pose error of the installed workpiece is recognized, and a coordinate transformation matrix T from a workpiece coordinate system to a machine tool reference coordinate system is solved; and converting the coordinate of the key reference point on the mounting workpiece to the reference coordinate system of the machine tool by using the coordinate transformation matrix T, and updating the initial preset NC code based on the converted coordinate of the key reference point. The machining preparation time is shortened, and the automation degree and the overall efficiency of cutting and grinding of the casting head of the complex casting are improved.

The invention discloses a numerical control machine tool control method based on multi-axis collaborative error dynamic compensation, and relates to the technical field of numerical control machine tool control. Comprising the steps that S1, digital twin bodies of multi-axis motion of the numerical control machine tool are constructed, and the digital twin bodies map the real-time motion state of each axis through virtual simulation so as to achieve dynamic simulation prediction of inter-axis coupling errors; and S2, deploying a multi-dimensional sensor array, collecting multi-modal characteristic parameters in the motion process of each axis, and constructing a characteristic extraction model based on a deep learning algorithm, the characteristic extraction model autonomously identifying recessive characteristics strongly associated with the inter-axis coupling error. According to the method, the multi-axis motion digital twins are constructed, and the inter-axis coupling error is dynamically simulated and predicted, so that the problem of space-time staggered error which cannot be handled by the traditional static hypothesis is solved; a multi-dimensional sensing array is deployed to be combined with deep learning, recessive features strongly correlated with coupling errors are extracted, and the limitation of single-axis error correction is overcome.

A machine tool control device according to one aspect of the present invention, with which a machine tool driving a main shaft by means of an induction motor is controlled according to a machining program, is equipped with: a load estimation unit which, by pre-calling the machining program, estimates whether the load state of the main shaft is idling operation without any load induced by the machining or actual operation including a load induced by the machining; and a current control unit which controls a d-axis current and a q-axis current of the main shaft currents supplied to the induction motor such that the speed of the main shaft corresponds to a speed according to the machining program, and which sets the d-axis current to a higher value when the load state is estimated to be actual operation than when the load state is estimated to be idling operation.

This invention relates to the field of CNC machine tool control technology, and more particularly to a spindle motor control method for CNC machine tools. The method includes: acquiring preset machining parameters of the spindle and working feedback data of the spindle motor; inputting a fluctuation prediction model based on the periodic characteristics of spindle straightness deviation; analyzing the peak time of spindle fluctuation and the amplitude of magnetic flux fluctuation to determine the adjustment time node and adjustment amount of the motor's secondary magnetic flux; based on the adjustment time node and adjustment amount, adjusting the excitation current of the spindle motor in advance before the peak of spindle fluctuation to increase the motor's secondary magnetic flux reserve; during spindle fluctuation, collecting actual spindle fluctuation data in real time, dynamically matching the motor torque output based on the increased motor secondary magnetic flux reserve, and simultaneously adjusting the ratio of motor excitation current to torque current in real time to maintain the stability of the motor's secondary magnetic flux. This invention can improve the response speed and operational stability of the spindle motor, reduce motor heat generation and energy consumption, and improve the machining accuracy of CNC machine tools.

This invention provides a real-time feedback-based intelligent dynamic compensation control method and system for CNC machine tools, relating to the field of machine tool control technology. It involves real-time acquisition of multi-source state data during the CNC machine tool machining process, and using a trained hybrid dynamic error identification model to perform real-time identification of multi-source dynamic errors on the pre-processed standardized state dataset. An adaptive dynamic compensation strategy is generated based on the real-time identification results. The compensation strategy drives the servo motors of each axis to achieve real-time dynamic compensation of the machining process. This invention achieves accurate identification of machine tool errors through a hybrid dynamic error identification model, and effectively mines the complex nonlinear mapping relationship of dynamic errors by fully exploring long-sequence, short-sequence, and local correlation features, thus improving the model's robustness and generalization ability. Furthermore, by employing a basic threshold and a trend-corrected adaptive threshold, this invention can achieve synchronous and accurate compensation of single-axis errors and multi-axis coupled errors, further improving compensation accuracy.

The utility model discloses an angle adjusting device for machining an electric cylinder shell. The angle adjusting device comprises a machine tool, a controller, an adjusting and grinding machine, an adjusting cutter, the electric cylinder shell, a limiting clamp, a movable clamp, a temperature control device and a lead screw sliding table. The temperature control device is arranged, the built-in draught fan is started, airflow is introduced into the limiting ventilation pipe through the built-in draught fan, the airflow flows into the regulator under guiding of the limiting ventilation pipe, and when needed, nested transmission can be carried out through a lifting motor coupler and the bottom of a transmission push rod, so that the temperature control device is convenient to operate. The transmission push rod can push the adjuster to ascend and descend, the adjuster can be better attached to the electric cylinder shell in the grinding process, then the temperature control device controls airflow to assist the temperature of the outer side of the electric cylinder shell to rapidly enter a stable state, and the situation that due to rapid loss of the temperature, the electric cylinder shell in traditional equipment is damaged is avoided. And the electric cylinder shell may be excessively shrunk.