WO2017101700A1 - Procédé, dispositif et système de fabrication assistée par ordinateur en communication directe avec un système de commande numérique - Google Patents

Procédé, dispositif et système de fabrication assistée par ordinateur en communication directe avec un système de commande numérique Download PDF

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Publication number
WO2017101700A1
WO2017101700A1 PCT/CN2016/108621 CN2016108621W WO2017101700A1 WO 2017101700 A1 WO2017101700 A1 WO 2017101700A1 CN 2016108621 W CN2016108621 W CN 2016108621W WO 2017101700 A1 WO2017101700 A1 WO 2017101700A1
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cnc
cam
computer
numerical control
control system
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PCT/CN2016/108621
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English (en)
Chinese (zh)
Inventor
杨轶群
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上海睿锆信息科技有限公司
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Publication of WO2017101700A1 publication Critical patent/WO2017101700A1/fr

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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/4097—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by using design data to control NC machines, e.g. CAD/CAM
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/32—Operator till task planning
    • G05B2219/32153—Exchange data between user, cad, caq, nc, capp

Definitions

  • the present invention relates to a method of manufacturing a product by means of a computer controlled machine, and more particularly to a computer aided manufacturing method, apparatus and system for direct communication with a numerical control system, in order to automate the manufacture of a target product on demand.
  • Computer-aided system is a general term for computers that use computers to assist in different types of tasks. It can be divided into Computer Aided Instruction (CAI), Computer Aided Design (CAD), and Computer Aided Engineering. (Computer Aided Engineering, CAE), Computer Aided Manufacturing (CAM), Computer Aided Testing (CAT), Computer Aided Translation (CAT), Computer Integrated Manufacturing System (Computer Integrated Making System, CIMS) and other systems.
  • CAI Computer Aided Instruction
  • CAD Computer Aided Design
  • CAE Computer Aided Engineering
  • CAM Computer Aided Manufacturing
  • CAT Computer Aided Testing
  • CAT Computer Aided Translation
  • CIMS Computer Integrated Manufacturing System
  • Industrial control mainly uses a combination of various technologies such as electrical and electronic, mechanical and computer to control the production and processing of products, making the production and manufacturing process more automated, efficient and precise, and has controllability and visibility. .
  • the industrial control computer plays a key role in industrial control. It is usually a general term for tools that use the bus structure to detect and control the production process and its electromechanical equipment and process equipment. It has the basic attributes and characteristics of the computer, such as: Central processing unit (CPU), hard disk, memory, peripherals and interfaces, real-time operating system, control network and protocol, computing processing power and human-machine interface.
  • the main categories of industrial computer are: IPC (PC bus industrial computer), PLC (programmable control system), DCS (distributed control system), FCS (field bus system) and CNC (CNC system).
  • IPC PC bus industrial computer
  • PLC programmable control system
  • DCS distributed control system
  • FCS field bus system
  • CNC CNC
  • industrial control software With the application of computer technology in industrial control, industrial control software has been produced, including data input and processing programs, interpolation calculation programs, management programs and diagnostic programs. From the programming methods of binary coding, assembly language and high-level language, industrial control software has been developed to configuration software, such as: Auto CAD, which is a configuration software that directly adopts standard process control flow chart and electrical principle system diagram. After the relevant control scheme is input through the human-machine interface, the execution program is automatically generated by the computer.
  • Auto CAD is a configuration software that directly adopts standard process control flow chart and electrical principle system diagram. After the relevant control scheme is input through the human-machine interface, the execution program is automatically generated by the computer.
  • CAM software involves computer numerical control and computer-aided process design.
  • Computer numerical control system is a system that uses computer to control machining functions and realize numerical control. It is composed of a numerical control program storage device, a computer control host, a programmable logic controller, a spindle drive device, and a feed (servo) drive device (including a detection device) as a whole CNC (see FIG. 1).
  • the CNC system performs some or all of the numerical control functions according to the control program stored in the computer memory, and is equipped with an interface circuit and a servo drive device for controlling a dedicated computer system of the automated processing device, and the CNC runs on the computer. In the background, it appears only as a process "program" running on the computer.
  • the CNC that is widely used in the industry is a PC numerical control system, including the "NC-PC" transitional structure, which retains the traditional NC hardware structure, and only uses the PC as the HMI, and the FANUC 160i, 180i, 310i and 840D models.
  • Another type of CNC function is realized in the form of motion control card.
  • the PC control system is developed by augmenting NC control boards (such as DSP-based motion control cards, etc.), which is represented by DELTA TAU's PMAC-NC system. .
  • DSP-based motion control cards such as DELTA TAU's PMAC-NC system.
  • the existing CNC includes a core and basic program part (referred to as: CNC process or CNC core) and a human-machine interaction interface of the CNC in the numerical control system responsible for operating the electric appliance.
  • the operator inputs a machining instruction (such as a G code) on the CNC human-computer interaction interface or specifies that the CNC loads a specified program file and then executes it. Since people can't write and input complex machining instructions (such as multi-axis linkage programming), there is also a CAM software for general complex programming.
  • the programmer inputs various parameters on the CAM, and the CAM system generates a file containing the machining instructions. And the operator loads the instruction file with the CNC human-computer interaction interface and operates the CNC to execute.
  • An object of the present invention is to provide a computer-aided manufacturing method for directly communicating with a numerical control system, to realize CAM programming on the same interface and to display CNC working data and feedback data more quickly, and to complete non-standard for the technician.
  • the CAM of the product is convenient.
  • Another object of the present invention is to provide a computer-aided manufacturing apparatus that directly communicates with a numerical control system, enabling faster information communication with the CNC to obtain various data and presenting them on the interface containing the CAM.
  • Yet another object of the present invention is to provide a computer-aided manufacturing method and apparatus and system for direct communication with a numerical control system, each of which is applied to the processing and manufacture of non-standard products (eg, workpieces), in the implementation of CAM At the same time, get the CNC data together.
  • a numerical control system each of which is applied to the processing and manufacture of non-standard products (eg, workpieces), in the implementation of CAM At the same time, get the CNC data together.
  • the invention provides a computer-aided manufacturing method for directly communicating with a numerical control system, and the communication interface is integrated with the CAM system. After the CNC interface is connected with the communication interface, the CAM system and the CNC perform two-way communication.
  • Another computer-aided manufacturing method for directly communicating with a numerical control system provided by the present invention loads the communication interface into the CAM software in code form, and the CNC performs bidirectional communication with the interface.
  • the CAM system reads at least one state information of the CNC at least once every second, especially 5 times or more, such as 10 times.
  • the method provided by the present invention also includes code required to display CNC state information and individual data in the process on the same interface of the output device in the CAM system.
  • the interface applied to the method provided by the present invention is, for example, a port having a physical form, or a computer language, that is, a code.
  • the CAM system or the CAM software can directly send the processing instruction to the CNC, and the mechanical parameters and feedback parameters in the processing process are also directly obtained by the CAM system or the software, and can be presented in the same interface of the CAM in time, such as: Displays values such as machine coordinate parameters, tool parameters, and feedback parameters.
  • the invention provides a computer aided manufacturing device for directly communicating with a numerical control system, including
  • the CAM system and communication interface, the communication interface and the CAM system form a whole, the communication interface is connected with the CNC, and the CNC and the CAM system perform two-way communication.
  • the CAM system includes a display interface including an area displaying CAM operations and an area displaying CNC status information.
  • the device provided by the invention has a CAM system that reads at least one state information of the CNC every second.
  • the CAM system can send the machining instructions directly to the CNC.
  • the data and CNC status information in the CNC machining process are also directly acquired by the CAM system and presented on the same interface of the CAM.
  • the invention provides a computer aided manufacturing system for directly communicating with a numerical control system, comprising:
  • Input device which is connected to the terminal and inputs workpiece parameters
  • An output device connected to the terminal for human-computer interaction
  • a display interface is included in the CAM software and displays at least an area of the CAM operation and an area of the CNC status information on the output device.
  • the system provided by the present invention has its CAM software reading at least one state information of the CNC every second.
  • the CAM software can send the processing instructions directly to the CNC.
  • the data in the CNC machining process is also directly acquired by the CAM software and presented on the same interface of the CAM.
  • the CNC state information referred to in the present invention is, for example, but not limited to the coordinates of each axis of the machine, the moving speed of each axis, the spindle load and the spindle rotation speed (ie, the rotational speed or linear velocity of the sharpening tool), etc. are directly displayed in the display interface. .
  • the data referred to in the present invention are various parameters required for processing, including but not limited to mechanical parameters, tool parameters, workpiece parameters, and feedback data.
  • the mechanical parameters referred to in the present invention are to be understood as the inherent physical quantities of the machining equipment and its components or accessories, such as, but not limited to, stroke, angle, length value, width value, height value, offset value and diameter, and the like.
  • the workpiece parameters referred to in the present invention should be understood as requirements for the size and shape of the workpiece to be processed, such as, but not limited to, the length, depth, angle and radius of the arc to be processed, and other information required to perform the machining. Such as: but not limited to feed speed, feed direction, feed mode and safety distance.
  • the tool parameters referred to in the present invention should be understood as the physical quantity of the sharpening tool used for machining the workpiece, such as: but not limited to the sharpening tool diameter, thickness, angle and sharpening tool mounting position, etc. In some processes, this information is also completed. Required for machining operations, which can be pre-entered and stored for recall.
  • the feedback data referred to in the present invention should be understood as data obtained by the machining equipment during the processing/measurement of the workpiece by the machining instruction.
  • the computer referred to in the present invention should be understood as a device that installs a processing chip and can perform operations such as, but not limited to, a personal computer (PC), a portable computer, a tablet computer, a smart phone, and a smart watch.
  • PC personal computer
  • portable computer portable computer
  • tablet computer tablet computer
  • smart phone smart watch
  • the computer-aided manufacturing method for directly communicating with the numerical control system integrates the CAM algorithm and the communication interface into one software, that is, realizes integrating the interface with the CNC communication into the CAM system, and realizes direct communication between the CAM system and the CNC. And display the CAM information and the CNC information on the same interface, so that the CAM software and the CNC interactive interface software are combined into one, so that the worker does not have to frequently switch the interface for programming and operating the CNC, so that the manufacturing process can be understood in time.
  • CAM which is suitable for direct operation at the work site, improves work efficiency and reduces the possibility of work errors. At the same time, since the CAM communicates directly with the CNC, the data transmission efficiency is also improved.
  • the computer-aided manufacturing method for directly communicating with the numerical control system provided by the invention is beneficial to processing and manufacturing non-standard products (such as workpieces) according to requirements, and is convenient for the operator to understand the CNC information when performing CAM operations on the same interface.
  • the computer-aided manufacturing method for directly communicating with the numerical control system realizes direct communication between the data of the CAM design and the CNC data, and the operator can directly transmit the manufacturing requirements of the non-standard product to the CNC system, or briefly in the memory. After storing or generating NC files, it is automatically called and executed by the CNC, which improves the operation efficiency of non-standard products, and also significantly reduces code redundancy and reduces hardware performance requirements. Combined with the method of queue processing, the number and sequence of machining processes can be freely combined on demand, and it is also convenient to adjust the workpiece parameters in the manufacturing process of non-standard workpieces according to the specific processing requirements, and improve the processing. Flexibility and adaptability.
  • the machining control method provided by the invention greatly reduces the code loading amount of the executable file, significantly reduces the load of the CNC system, and makes the CNC reaction slow. Problems such as crashes and low execution efficiency are resolved.
  • the machining control method provided by the invention has higher flexibility, and it is not necessary to obtain all feedback data for issuing machining parameters to the CNC, and it is not necessary to perform all the measurements first.
  • the processing file is generated, so that the automatic measurement and automatic re-machining can be realized after processing, and any process combination and automatic execution without processing in the processing-measurement-processing-measurement can be realized, and the manual intervention is less, greatly improving The automation and adaptability of the machining program.
  • the computer-aided manufacturing device and system provided by the invention for direct communication with the numerical control system can be applied to devices adopting distributed architecture, realize interconnection of these devices by means of limited or wireless communication protocols, and dispatch processing tasks to designated devices. High-speed on-demand manufacturing and distributed adaptive custom manufacturing for non-standard workpieces.
  • FIG. 1 is a schematic view of an embodiment of a CNC
  • FIG. 2 is a schematic diagram of an embodiment of a CNC having a dedicated interactive interface
  • FIG. 3 is a schematic diagram of an embodiment of a CNC based on an operating system interaction interface
  • FIG. 4 is a schematic diagram of an embodiment of a computer-aided manufacturing apparatus for directly communicating with a numerical control system according to the present invention
  • FIG. 5 is a schematic diagram of an embodiment of a CAM based on an operating system interacting with a CNC;
  • FIG. 6 is a schematic diagram of an embodiment of a computer-aided manufacturing system for directly communicating with a numerical control system according to the present invention
  • FIG. 7 is a flow chart of an embodiment of a method for applying a queue to a processing machine of the present invention.
  • the CNC machine with five-axis function can realize the relative movement between the workpiece and the tool in various postures. On the one hand, it can maintain the tool's better machining posture, avoid the extremely low cutting speed of the tool center, and avoid the tools and workpieces and fixtures. Interference between the two, to achieve a larger processing range within a limited stroke.
  • the five-axis function is also an important indicator for measuring the capabilities of the CNC system.
  • the workflow of a numerically controlled device with a five-axis function generally includes:
  • Input input of data such as part program and control parameters, compensation amount, etc., can be used in various forms such as optical reader, keyboard, disk, DNC interface to connect to the upper computer, network.
  • the CNC device usually completes the work of invalid code deletion, code verification and code conversion during the input process;
  • Decoding Regardless of whether the system works in MDI mode or memory mode, the part program is processed in units of one block, and the contour information of various parts (such as starting point, end point, straight line or arc), etc. Processing speed information (F code) and other auxiliary information (M, S, T code, etc.) are solved according to certain grammatical rules It is interpreted as a form of data that can be recognized by a computer and stored in a specified memory unit in a certain data format. In the decoding process, the syntax check of the program segment is also completed, and if a syntax error is found, the alarm is immediately notified;
  • Tool compensation includes tool length compensation and tool radius compensation.
  • the tool compensation function is to convert the part contour track into the tool center track.
  • the tool compensated workpiece also includes automatic transfer and over-cut discrimination between the blocks, which is called C tool compensation;
  • Feed speed processing The tool moving speed given by programming is the speed in the combined direction of each coordinate.
  • the first task of speed processing is to calculate the sub-speed of each motion coordinate based on the combined speed. In some CNC devices, the minimum speed and maximum speed limit allowed by the machine tool, automatic acceleration and deceleration of the software, etc. are also handled here;
  • Interpolation The task of interpolation is to perform “densification of data points” on a curve of a given starting point and ending point.
  • the interpolation program runs once for each interpolation cycle, and a small straight data segment is calculated based on the command feedrate during each interpolation cycle.
  • the interpolation of a block trajectory is completed, that is, the "data point densification" work from the start point to the end point of the block is completed;
  • Position control The position control is on the position loop of the servo loop. This part of the work can be implemented by software or by hardware. Its main task is to compare the theoretical position with the actual feedback position during each sampling period and use its difference to control the servo motor. In the position control, the gain adjustment of the position loop, the pitch error compensation in each coordinate direction and the backlash compensation are usually completed to improve the positioning accuracy of the machine tool;
  • I / O processing mainly handles the CNC device panel switch signal, machine tool electrical signal input, output and control (such as tool change, shift, cooling, etc.);
  • the display of the CNC device is mainly for the convenience of the operator. It is usually used for the display of part programs, parameter display, tool position display, machine status display, alarm display, etc. Some CNC devices also have the static of the tool processing track. Dynamic graphic display;
  • Diagnosis Check and locate the abnormal conditions in the system, including online diagnosis and offline diagnosis.
  • the computer-aided manufacturing method for directly communicating with the numerical control system of the invention integrates the communication interface with the CAM system, and after the CNC is connected with the communication interface, the CAM system and the CNC perform two-way communication.
  • the CAM system reads the status information of the CNC at least once every second, especially 5 times or more, such as 10 times.
  • the CAM system not only loads the communication interface in the code form in the CAM software, but also displays the CNC state information and the processing process on the same interface of the output device. The code required for the data to be rendered on the output device.
  • the CAM software realizes two-way communication with the CNC through the communication interface, and sends the processing requirements of the product to the CNC, and the various data of the CNC, such as: but not limited to the mechanical coordinate data and the feedback data, are thus presented on the software interface, so that The technicians can know the status and process information of the machine in time on the same interface, and can implement subsequent CAM operations according to the processing requirements.
  • FIG. 4 is a computer-aided manufacturing apparatus for directly communicating with the numerical control system of the present invention. As shown in Figure 4, this is The device provided by the embodiment includes a CAM system and a communication interface.
  • the CAM system is based on an operating system, and the communication interface is connected to the CNC and performs bidirectional communication.
  • the interface is integrated with the CAM system as an operating system-based CAM that interacts with the CNC.
  • the CAM system reads the status information of the CNC at least once every second, especially 5 times or more, such as 10 times.
  • FIG. 5 is a schematic diagram showing an embodiment of the CAM based on the operating system interacting with the CNC in FIG. As shown in FIG.
  • the communication interface 21 and the CAM software 22 together constitute a CAM system 20 that interacts with the CNC based on the operating system 10.
  • the CAM system 20 also includes a display interface 23 that is loaded into the CAM software and displays an area of the CAM operation (not shown) and an area of the CNC status information (not shown) on the output device.
  • the CNC receives the processing request of the CAM system to control the machine to execute the process, and the data is transmitted back to the CAM through the communication interface 21 and displayed on the interface.
  • the communication interface is a computer language (ie, code), which is contained in the code of the CAM software.
  • the computer-aided manufacturing system for directly communicating with the numerical control system of the present invention includes a terminal 40, and an operating system is installed on the terminal 40. 10, and loaded with CAM software 22.
  • the communication interface 21 is loaded into the CAM software 22 to form a CAM system based on the operating system 10 that interacts with the CNC.
  • the display interface 23 is included in the CAM software 22 and displays an area (not shown) for CAM operation and an area (not shown) for displaying CNC status information on the output device.
  • the communication interface 21 and the CNC 50 implement two-way communication.
  • the CAM software reads the status information of the CNC at least once every second, especially 5 times or more, such as 10 times.
  • an input/output device 30 for inputting workpiece parameters or implementing human-computer interaction.
  • a device when it is input as a workpiece parameter, it acts as an input device, and when it displays data, it acts as an output device.
  • the implementation of input and output functions is very common and widely used, and the touch screen is a typical example.
  • the method provided by the invention is combined with the method of using queue processing, which not only enables the quantity and sequence of the processing technology to be freely combined on demand, but also facilitates timely making workpiece parameters for the manufacturing process of non-standard workpieces according to specific processing requirements.
  • the adjustment improves the flexibility and adaptability of the processing. It also realizes the direct communication between the data of the CAM design and the CNC data.
  • the operator can directly transmit the manufacturing requirements of the non-standard product to the CNC system, or store it temporarily in the memory. It does not need to generate NC files and then executed by CNC, which improves the operation efficiency of non-standard products, and also significantly reduces code redundancy and reduces hardware performance requirements.
  • the following examples illustrate the queue processing method:
  • Step 100 input processing parameters, such as: but not limited to inputting processing parameters of the target workpiece in an input box given by the man-machine interface, or inputting processing parameters of the target workpiece through a storage device (such as a hard disk and a flash disk), or containing A file of processing parameters, or the input of processing parameters or files containing processing parameters by means of wired or wireless communication.
  • a storage device such as a hard disk and a flash disk
  • Step 200 Generate process values according to the input processing parameters, so that the computer can perform calculations.
  • Step 300 Identifying the operation mode, that is, identifying the operation method of the generated process value, and identifying the processing element to which the process value belongs, such as: but not limited to the slotting, the opening edge and the opening edge.
  • Step 400 Determine whether the process value conforms to the operation mode of the identified processing element:
  • Step 500 Perform operation processing on the process value according to the operation mode corresponding to the process value, and obtain the calculated machining coordinate point value;
  • the process conditions required to process the workpiece can also be obtained, such as: but not limited to the steps and the number thereof.
  • step 600 according to the operation mode of the identified processing element, at least the machine coordinate parameter is referenced, and the calculated coordinate value of the machining coordinate point is converted into a CNC coordinate point to obtain an executable machining coordinate point value, thereby generating a CNC system.
  • Execution files such as: but not limited to programs or code sets, etc.
  • machining instructions such as: but not limited to, assembling individual NC lines of code to generate NC files executable by the CNC system, etc.
  • Step 700 Determine the state of the machine:
  • step 800 is performed;
  • step 800 When the machine status is "stop”, a return code is generated, prompting "executable machining operation", after the operator gives an instruction to execute the machining operation, step 800 is performed;
  • Step 800 Perform processing operations, including
  • Step 810 The CNC loads the executable file, and controls the machine programmatically processing the workpiece;
  • Step 820 Provide processed feedback data according to the requirements of the executable file.
  • Step 900 Determine whether all processes associated with the input processing parameters are completed:
  • Whether the process value conforms to the calculation mode of the identified processing element can be judged in one time. For example, in step 4, according to the type of the processing element to which the process value belongs, whether the process value conforms to the operation mode of the identified machining element is sequentially performed. Judging, in this way, when completing the processing of the subsequent process, only return to step 5 (see Figure 2); when it is necessary to modify the input processing parameters, or first judge only the parameters of one process, after completing the subsequent process When processing, return to step 4.
  • the algorithm performed includes at least a mechanical parameter, a tool parameter and a workpiece parameter, and further includes feedback data.
  • the relevant workpiece parameters include the length of the groove, the core thickness, the axial rake angle, the radial rake angle, the helix angle, the tip angle, the first relief angle, and the second relief angle. Angle, first back angle width, and two-edge spacing.
  • Feedback data should be understood as values based on the completion of machining instructions (eg, execution of CNC files), large There are two types of body: data indicating the current process status, completion or in process or machining failure, and data indicating the results of the measurement process, including but not limited to tool overhang, outer diameter, A-axis phase and helix angle.
  • the calculation of the machining process calls the feedback data according to the settings of the operator.
  • the stored measurement value (for example, stored in the numerical control system) is the feedback data.
  • the feedback parameter is retrieved (eg : the measured value of the helix angle) to complete the calculation; for example, when the machine finishes processing the two grooves of the workpiece, it is necessary to give the numerical control system a value indicating "two slots", which is feedback data, thereby The value of the feedback data is included in the algorithm related to the edge cutting, and the value of the edge processing coordinate point is generated;
  • the input processing parameters include workpiece parameters, tool parameters, mechanical parameters, and feedback data, such information or settings (eg, mechanical parameters), or generated based on completion of the machining instructions (eg, feedback data), or according to Processing requires human input (eg workpiece parameters) or is pre-entered and stored for recall (eg tool parameters).
  • the workpiece parameters are the parameters related to the workpiece to be processed, including the operation list, that is, the name of the operation and the corresponding parameters.
  • the process of performing the grooving and opening the leading edge of the workpiece includes the following steps: slotting and opening the rear corner;
  • the parameters corresponding to the slotting process include: slot length, core thickness, axial rake angle, radial front Angle, helix angle, grinding wheel selected for slotting, etc.
  • the parameters corresponding to the plane back angle process include: the tip end angle, the first back angle angle, the second back angle angle, the first back angle width, the two-edge spacing, and the grinding wheel selected for the opening plane back angle.
  • Tool parameters such as: but not limited to the type of grinding wheel, grinding wheel angle, grinding wheel mounting surface distance, grinding wheel thickness, grinding wheel diameter and grinding wheel installation direction.
  • value or "process value” and “machined coordinate point value”
  • value shall be understood as a single number, consisting of a number of numbers representing a numerical string of one or more processes, or consisting of a number of numerical strings. String group.
  • the mechanical parameters also called the machine mechanical coordinate parameters, take the machine tool as an example.
  • the parameters include: the X distance from the origin to the A axis, the Y distance from the origin to the A axis, the Z distance from the origin to the A axis, and the deviation between the electric spindle and the center of rotation.
  • step 900 or step 500 to step 900 processing of the other process is performed on the workpiece.
  • the number of processing processes is three or more, the second or more repetitions are performed in the above-described step 400 to step 900 or step 500 to step 900. Therefore, with the machining control method provided by the embodiment, each processing parameter is sequentially completed in a queue manner.
  • the computer-aided manufacturing method, apparatus and system provided by the present embodiment for direct communication with the numerical control system can be applied to processing machine equipment of non-standard workpieces, especially in machines adopting distributed architecture, which are realized by limited or wireless networks.
  • the interconnection and assignment of processing tasks to each machine facilitates operator-based CAM-based operations, improving the rapid on-demand processing and manufacturing efficiency of non-standard workpieces.

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  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
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Abstract

L'invention concerne un procédé, un dispositif et un système de fabrication assistée par ordinateur (CAM) en communication directe avec un système de commande numérique. Le procédé consiste : à former une interface (21) et un système CAM (22) en un ensemble, un système de commande numérique par ordinateur (CNC) (50) et l'interface (21) étant connectés et effectuant une communication bidirectionnelle. La présente invention établit une communication directe bidirectionnelle du système CAM (22) et du CNC (50), et des informations CAM et des informations CNC peuvent être affichées sur la même interface, de manière à apprendre le processus de fabrication en temps opportun.
PCT/CN2016/108621 2015-12-16 2016-12-06 Procédé, dispositif et système de fabrication assistée par ordinateur en communication directe avec un système de commande numérique WO2017101700A1 (fr)

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CN2015109464735 2015-12-16
CN201510946473.5A CN106886196A (zh) 2015-12-16 2015-12-16 与数控系统直接通讯的计算机辅助制造方法及装置和系统

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