WO2023097711A1 - 一种新型智能机床加工系统 - Google Patents

一种新型智能机床加工系统 Download PDF

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WO2023097711A1
WO2023097711A1 PCT/CN2021/135993 CN2021135993W WO2023097711A1 WO 2023097711 A1 WO2023097711 A1 WO 2023097711A1 CN 2021135993 W CN2021135993 W CN 2021135993W WO 2023097711 A1 WO2023097711 A1 WO 2023097711A1
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machine tool
measurement
full
processing
spatial position
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French (fr)
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余英豪
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余英豪
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q15/00Automatic control or regulation of feed movement, cutting velocity or position of tool or work
    • B23Q15/007Automatic control or regulation of feed movement, cutting velocity or position of tool or work while the tool acts upon the workpiece
    • B23Q15/12Adaptive control, i.e. adjusting itself to have a performance which is optimum according to a preassigned criterion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00Arrangements for observing, indicating or measuring on machine tools
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/18Numerical 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
    • G05B19/404Numerical 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 control arrangements for compensation, e.g. for backlash, overshoot, tool offset, tool wear, temperature, machine construction errors, load, inertia
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Definitions

  • the invention relates to a machine tool processing system, specifically a novel intelligent machine tool processing system, which belongs to the technical field of intelligent machine tools.
  • the system requires more intelligence: it is not only a measurement system, but also a real-time control system. At the same time, it is a self-diagnosis system, a real-time database of full-dimensional information of the whole machine tool, and can correct the full-dimensional error information parameters of the machine tool in real time during processing, and according to the processing requirements of different workpieces and the shape and size of the workpiece to be processed, The type of machine tool used to machine the workpiece will also vary.
  • the existing intelligent machine tool system has fixed processing settings for the workpiece, which also determines the machining accuracy of a machine tool for the workpiece.
  • many machine tools are Calibration is required to calibrate the machining position of the tool and the workpiece.
  • Such a process generally requires manual calibration.
  • Existing machine tools do not have such a system, so the manual calibration process will greatly delay time, and the calibration The accuracy of the calibration cannot be adjusted in real time according to the workpiece, which will reduce the machining accuracy of the machine tool for the part.
  • the object of the present invention is to provide a novel intelligent machine tool processing system in order to solve the above problems.
  • a novel intelligent machine tool processing system the composition of the system includes:
  • a homologous measurement and positioning system includes a homologous measurement receiving terminal, a workpiece platform measurement feed sensor, a spatial position measurement sensing feed sensor, and a homologous measurement receiving terminal;
  • Machine tool self-inspection the machine tool self-inspection generates a virtual digital machine tool with full-dimensional information
  • a reference datum is established, and the reference datum is mainly composed of a full-dimensional virtual machine tool system.
  • the machine tool self-inspection includes the following steps:
  • Step 1 Detect the information measurement of all motion axes.
  • the system continuously collects the information at the same source measurement terminal, and simultaneously obtains the signal information of the feed sensor on the spindle and workpiece platform.
  • the spatial position information measured at the workpiece is analyzed by the digital model and the spatial geometry algorithm to obtain the current spatial position parameters of the spindle and the workpiece;
  • Step 2 According to the spatial position parameters measured by each axis of motion, establish a digital virtual machine tool with full-dimensional information. According to the spindle and workpiece platform, the spatial position parameters can be fed back in real time.
  • the spatial position measurement sensor on the platform feeds back the full-dimensional spatial position information of the axes to the machine tool system, and then the machine tool system inputs the spatial position information of each axis into the virtual digital machine tool system according to the obtained spatial position parameters of each axis , Establish a unique full-dimensional information digital virtual machine tool control system for each machine tool.
  • the homologous measurement and positioning system uses wireless signals as a way of transmitting spatial information, establishes information interconnection, and obtains the spatial position information of the machining spindle and the workpiece platform and then feeds it back to the machine tool system.
  • the system includes the actual track model of each axis and the full-dimensional gap deviation of each axis according to the data model of the self-inspection of the machine tool, and the system performs real-time gap compensation according to the direction of feed and the direction of force during processing.
  • the system processes workpieces, it continuously feeds back the real-time spatial coordinates of the processed workpieces and spindle tools to the homologous measurement coordinate system of the terminal, and then the system calculates the corresponding command data according to the real-time data, and sends the command data
  • the controller sent to each axis executes the control machining.
  • the operation of the system includes the following parts:
  • Operation 1 The same source of measurement and positioning, real-time measurement, perception and positioning of each processing area of the system, and real-time correction;
  • Operation 2 End processing position and tool measurement perception positioning, and real-time measurement and control processing
  • Operation 3 The system performs single and double code control, one of which is the mechanical code system, and the other is the thermal effect micro-motion code system;
  • Operation 4 Equipped with a thermal effect micro-motion unit, which can further precisely control the spindle.
  • the homology of positioning is to measure and sense the spatial position of the full-dimensional processing area, the processing spindle, the tool, the workpiece and the workpiece placement platform.
  • the cold and heat effect micro-movement unit can achieve nanometer and picometer-level numerical control repeated positioning requirements for the spindle through the thermal expansion and contraction of the workpiece material.
  • the present invention can achieve iterative evolution of the accuracy of the machine tool.
  • the accuracy of the homologous space measurement and analysis is 1 picometer
  • the full-dimensional information digital virtual machine tool control system can make corresponding tolerance compensation for the global accuracy defects of the current machine tool, and Make uninterrupted real-time measurement and control corrections, so that the precision of the machined parts is higher than the precision of the original machine tool, and then use the machined parts to make a new machine tool.
  • the repeated positioning accuracy of the machine tool will be infinitely close to 1 picometer.
  • the installation of the machine tool of the present invention does not need to be adjusted for a long time, and it is basically installed firmly. For some large machine tools, it does not need several days or dozens of days of installation and adjustment; and after the machine tool is installed, the system will automatically Check, calculate the actual trajectory of each axis, and then calculate the trajectory data of each axis according to the system algorithm, and establish a full-dimensional information digital virtual machine tool control system, so as to obtain the correct reference processing position system.
  • the system of the present invention can perform self-adaptive matching on old machine tools, and at the same time, the system can perform machine tool accuracy diagnosis and evaluation on all machinable areas of old machine tools, and establish a full-dimensional information digitized virtual machine tool control system, so that in the future, the machine tools due to this area can be processed.
  • Fig. 1 is the schematic diagram of homologous measurement system of the present invention
  • Fig. 2 is the operation model diagram of machine tool of the present invention
  • Fig. 3 is the schematic diagram of slide rail and guide rail of ideal state of the present invention.
  • Fig. 4 is a schematic diagram of the + ⁇ clearance on one side of the guide rail and slide rail of the present invention.
  • Fig. 5 is a principle diagram of the - ⁇ clearance on the other side of the guide rail and the slide rail of the present invention.
  • a new type of intelligent machine tool processing system includes:
  • the homologous measurement and positioning system includes a homologous measurement receiving terminal (fixed), a workpiece platform measurement feed sensor, a spatial position measurement sensing feed sensor and a homologous measurement receiving terminal;
  • the spindle here can be a traditional spindle, or it can be a mirror or refractor body of a lithography machine, etc.).
  • the homologous measurement and positioning system uses wireless signals (microwave or laser) as the way of spatial information transmission, and establishes information interconnection, and solves the spatial position information of the machining spindle and workpiece platform and feeds it back to the machine tool system.
  • wireless signals microwave or laser
  • Machine tool self-inspection the machine tool self-inspection generates a virtual digital machine tool with full-dimensional information
  • Described machine tool self-inspection comprises the following steps:
  • Step 1 Detect the information measurement of all motion axes.
  • the system continuously collects the information at the same source measurement terminal, and simultaneously obtains the signal information of the feed sensor on the spindle and workpiece platform.
  • the spatial position information measured at the workpiece is respectively analyzed by using the digital model and the spatial geometry algorithm to obtain the current spatial position parameters of the spindle and the workpiece (or the workpiece placement platform);
  • Step 2 According to the spatial position parameters measured by each axis of motion, establish a digital virtual machine tool with full-dimensional information. According to the spindle and workpiece platform, the spatial position parameters can be fed back in real time.
  • the spatial position measurement sensor on the platform feeds back the full-dimensional spatial position information of the axes to the machine tool system, and then the machine tool system inputs the spatial position information of each axis into the virtual digital machine tool system according to the obtained spatial position parameters of each axis , to establish a unique full-dimensional information digital virtual machine tool control system for each machine tool (which contains all defect information of the machine tool, and then automatically compensates accordingly during processing, so that the virtual precision of the mechanical hardware can be optimized).
  • the system includes the actual track model of each axis and the full-dimensional gap deviation of each axis, and the system performs real-time gap compensation according to the direction of tool feed and the direction of force during processing.
  • a reference datum is established, and the reference datum is mainly composed of a full-dimensional virtual machine tool system.
  • Operation 1 The same source of measurement and positioning, real-time measurement, perception and positioning of each processing area of the system, and real-time correction;
  • Homologous positioning is the spatial position of the full-dimensional processing area, and the measurement and positioning perception of the processing spindle, tool, workpiece and workpiece placement platform.
  • Operation 2 End processing position and tool measurement perception positioning, and real-time measurement and control processing
  • Operation 3 The system performs single and double code control, one of which is the mechanical code system, and the other is the thermal effect micro-motion code system;
  • Operation 4 Equipped with a micro-motion unit with cold and heat effects, it can further precisely control the spindle;
  • the cold and heat effect micro-movement unit can realize the repeated positioning requirements of nanometer and picometer level numerical control for the spindle through the thermal expansion and cold contraction of the workpiece material.
  • the system processes workpieces, it continuously feeds back the real-time spatial coordinates of the processed workpieces and spindle tools to the terminal homologous measurement coordinate system, and then the system calculates the corresponding command data based on the real-time data, and sends the command data to each
  • the controller of the axis executes the controlled machining.
  • Embodiment This system can realize low-precision machine tools to process parts with higher precision than machine tools.
  • the basic principle diagrams are shown in Figures 3 to 4, and Figure 3 is a schematic diagram of the working principle between the lower rail and the guide rail in an ideal state; Figure 4 It is a schematic diagram of the principle that one side of the slide rail slides against the guide rail under force, and the other side has a + ⁇ gap;

Abstract

本发明公开了一种新型智能机床加工系统,所述系统的构成包括:同源测量定位系统,所述同源测量定位系统包括同源测量接收终端器、工件平台测量馈源传感器、空间位置测量感知馈源传感器与同源测量接收终端器;机床自检,所述机床自检生成全维度信息虚拟数字机床;建立参照基准,所述参照基准由全维度虚拟机床系统为主体。本发明的有益效果是:本发明可以对机床的精度实现迭代进化,且机床的安装无需长时间调校,基本安装牢固即可;且机床在安装好后,系统会根据全轴运动自检,计算出各轴的实际运动轨迹,再根据系统算法,计算出各轴的运动轨迹数据,建立全维度信息数字化虚拟机床控制系统,从而得出正确参照加工位标系。

Description

一种新型智能机床加工系统 技术领域
本发明涉及一种机床加工系统,具体为一种新型智能机床加工系统,属于智能机床技术领域。
背景技术
在一些精度要求高的领域,需要机床系统引导机床硬件精度迭代进化升级,在加工要求越来越高,还要能节省人力物力,系统要求更智能:即是一个测量系统,又是实时控制系统,同时又是一个自我诊断系统,全机床全维信息的实时数据库,同时可对机床全维误差信息参数在加工时加以实时矫正,而根据不同工件的加工要求以及待加工工件的形状和尺寸,用来加工工件的机床种类也会有所不同。
现有的智能机床系统对于工件的加工设定都是固定的,这也决定了一个机床对于工件的加工精度,为了提高机床的加工精度,很多机床在投入使用前或者在使用了一段时间之后,需要进行调校,以此来校准刀具和工件的加工位置,这样的过程一般需要进行人工校对,现有的机床不具备这样系统,因此人工调校的过程就会十分地耽误时间,且调校校准的精度也无法根据工件进行实时的调整,这样便会降低机床对于零件的加工精度。
发明内容
本发明的目的就在于为了解决上述问题而提供一种新型智能机床加工系统。
本发明通过以下技术方案来实现上述目的,一种新型智能机床加工系统,所述系统的构成包括:
同源测量定位系统,所述同源测量定位系统包括同源测量接收终端器、工件平台测量馈源传感器、空间位置测量感知馈源传感器与同源测量接收终端器;
机床自检,所述机床自检生成全维度信息虚拟数字机床;
建立参照基准,所述参照基准由全维度虚拟机床系统为主体。
优选的,所述机床自检包括以下步骤:
第一步:检测所有运动轴的信息测量,在各轴运动时,系统不间断收集同源测量终端器处的信息,同时得到的主轴和工件平台上馈源传感器的信号信息,系统对主轴和工件处所测得的空间位置信息分别利用数字模型、空间几何算法解析出主轴和工件当前各空间位置参数;
第二步:根据各运动轴测得的空间位置参数,建立全维度信息数字虚拟机床,根据主轴和工件平台能实时反馈空间位置参数,当另外多个运动轴在运动的时候,通过主轴和工件平台上的空间位置测量感知传感器,将轴的全维度空间位置信息反馈到机床系统,之后机床系统再根据所得到的各轴空间位置参数,再将各运动轴的空间位置信息输入虚拟数字机床系统,建立各机床独有的全维度信息数字化虚拟机床控制系统。
优选的,所述同源测量定位系统利用无线信号作为空间信息传输方式,并建立信息互联,且求解出加工主轴和工件平台的空间位置信息后反馈给机床系统。
优选的,系统根据对机床自检的数据模型包括各轴的实际轨道模型和各轴的全维间隙偏差,所述系统在加工时根据进刀方向和受力方向,进行实时间隙补偿。
优选的,所述系统进行工件加工时,将加工的工件和主轴刀具的实时空间坐标不间断地反馈给终端同源测量坐标系统,然后系统根据实时数据,算出相应的指令数据,并将指令数据发送至各轴的控制器执行控制加工。
优选的,所述系统的操作包括以下几个部分:
操作一:测量定位同源,对系统各加工区域进行实时测量感知定位,并实时修正;
操作二:末端加工位置和刀具测量感知定位,并进行实时测量与控制加工;
操作三:系统进行单、双码控制,其中一个为机械代码系,另一个为冷热效应微动代码系;
操作四:配置有冷热效应微动单元,可对主轴进行进一步精密控制。
优选的,所述定位同源是对全维加工区域空间位置,对加工主轴、刀具、工件和工件安放平台进行测量定位感知。
优选的,所述冷热效应微动单元是通过工件材料的热胀冷缩,对主轴可以实现纳米、皮米级数控重复定位要求。
本发明的有益效果是:
其一、本发明可以对机床的精度实现迭代进化,例如:同源空间测量解析精度为1皮米,全维度信息数字化虚拟机床控制系统可对当前机床全域精度缺陷,做相应的公差补偿,并做出不间断实时测量控制矫正,从而使加工出的零件精度,高于原机床精度,再利用加工出的零件制作新机床,经过多轮机床迭代,理论上机床的重复定位精度将无限接近1皮米。
其二、本发明机床的安装无需长时间调校,基本安装牢固即可,对于一些大型机床无需几天或者几十天的安装调校;且机床在安装好后,系统会根据全轴运动自检,计算出各轴的实际运动轨迹,再根据系统算法,计算出各轴的运动轨迹数据,建立全维度信息数字化虚拟机床控制系统,从而得出正确参照加工位标系。
其三、本发明系统可以对旧机床做自适应匹配,同时系统可以对旧机床全部可加工区域进行机床精度诊断和评估,建立全维度信息数字化虚拟机床控制系统,这样在以后加工出由于此区域精度的零件时,可以查询系统整机健康情况,同时找出符合零件加工精度需求的区域。
附图说明
图1为本发明同源测量系统示意图;
图2为本发明机床运转模型图;
图3为本发明理想状态滑轨和导轨的原理图;
图4为本发明导轨和滑轨其中一侧存在+Δ间隙量的原理图;
图5为本发明导轨和滑轨另一侧存在-Δ间隙量的原理图。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
请参阅图1-2所示,一种新型智能机床加工系统,所述系统的构成包括:
同源测量定位系统,所述同源测量定位系统包括同源测量接收终端器(固定不动)、工件平台测量馈源传感器、空间位置测量感知馈源传感器与同源测量接收终端器;
直接在末端加工主轴(这里的主轴可以是传统主轴,也可以是如光刻机的反射镜或折射镜本体等)各传感器处建立信息互联。
同源测量定位系统利用无线信号(微波或激光)作为空间信息传输方式,并建立信息互联,且求解出加工主轴和工件平台的空间位置信息后反馈给机床系统。
机床自检,所述机床自检生成全维度信息虚拟数字机床;
所述机床自检包括以下步骤:
第一步:检测所有运动轴的信息测量,在各轴运动时,系统不间断收集同源测量终端器处的信息,同时得到的主轴和工件平台上馈源传感器的信号信息,系统对主轴和工件处所测得的空间位置信息分别利用数字模型、空间几何算法解析出主轴和工件(或工件安放平台)当前各空间位置参数;
第二步:根据各运动轴测得的空间位置参数,建立全维度信息数字虚拟机床,根据主轴和工件平台能实时反馈空间位置参数,当另外多个运动轴在运动的时候,通过主轴和工件平台上的空间位置测量感知传感器,将轴的全维度空间位置信息反馈到机床系统,之后机床系统再根据所得到的各轴空间位置参数,再将各运动轴的空间位置信息输入虚拟数字机床系统,建立各机床独有的全维度信息数字化虚拟机床控制系统(里面含有机床的所有缺陷信息,后续在加工的时候自动做相应的补偿,从而可以对机械硬件做虚拟精度优化)。
所述系统根据对机床自检的数据模型包括各轴的实际轨道模型和各轴的全维间隙偏差,所述系统在加工时根据进刀方向和受力方向,进行实时间隙补偿。
建立参照基准,所述参照基准由全维度虚拟机床系统为主体。
系统的操作包括以下几个部分:
操作一:测量定位同源,对系统各加工区域进行实时测量感知定位,并实时修正;
定位同源是对全维加工区域空间位置,对加工主轴、刀具、工件和工件安放平台进行测量定位感知。
操作二:末端加工位置和刀具测量感知定位,并进行实时测量与控制加工;
操作三:系统进行单、双码控制,其中一个为机械代码系,另一个为冷热效应微动代码系;
操作四:配置有冷热效应微动单元,可对主轴进行进一步精密控制;
所述冷热效应微动单元是通过工件材料的热胀冷缩,对主轴可以实现纳米、皮米级数控重复定位要求。
所述系统进行工件加工时,将加工的工件和主轴刀具的实时空间坐标不间断地反馈给终端同源测量坐标系统,然后系统根据实时数据,算出相应的指令数据,并将指令数据发送至各轴的控制器执行控制加工。
实施例;本系统可以实现低精度机床加工出比机床精度更高的零件,基本原理图如图3至图4所示,图3为理想状态下滑轨与导轨之间的工作原理示意图;图4为一边滑轨受力贴合导轨滑动,另一侧有+Δ间隙量的原理示意图;图5为另一边滑轨受力贴合导轨滑动,一边有-Δ间隙量的原理图。
如图1和图2,同时在加工零件时全维度信息数字化虚拟机床控制系统与同源测量定位终端器系统和实际机床之间的信息传输和操作关系。
此外,应当理解,虽然本说明书按照实施方式加以描述,但并非每个实施方式仅包含一个独立的技术方案,说明书的这种叙述方式仅仅是为清楚起见,本领域技术人员应当将说明书作为一个整体,各实施例中的技术方案也可以经适当组合,形成本领域技术人员可以理解的其他实施方式。

Claims (8)

  1. 一种新型智能机床加工系统,其特征在于,所述系统的构成包括:
    同源测量定位系统,所述同源测量定位系统包括同源测量接收终端器、工件平台测量馈源传感器、空间位置测量感知馈源传感器与同源测量接收终端器;
    机床自检,所述机床自检生成全维度信息虚拟数字机床;
    建立参照基准,所述参照基准由全维度虚拟机床系统为主体。
  2. 根据权利要求1所述的一种新型智能机床加工系统,其特征在于:所述机床自检包括以下步骤:
    第一步:检测所有运动轴的信息测量,在各轴运动时,系统不间断收集同源测量终端器处的信息,同时得到的主轴和工件平台上馈源传感器的信号信息,系统对主轴和工件处所测得的空间位置信息分别利用数字模型、空间几何算法解析出主轴和工件当前各空间位置参数;
    第二步:根据各运动轴测得的空间位置参数,建立全维度信息数字虚拟机床,根据主轴和工件平台能实时反馈空间位置参数,当另外多个运动轴在运动的时候,通过主轴和工件平台上的空间位置测量感知传感器,将轴的全维度空间位置信息反馈到机床系统,之后机床系统再根据所得到的各轴空间位置参数,再将各运动轴的空间位置信息输入虚拟数字机床系统,建立各机床独有的全维度信息数字化虚拟机床控制系统。
  3. 根据权利要求1所述的一种新型智能机床加工系统,其特征在于:所述同源测量定位系统利用无线信号作为空间信息传输方式,并建立信息互联,且求解出加工主轴和工件平台的空间位置信息后反馈给机床系统。
  4. 根据权利要求2所述的一种新型智能机床加工系统,其特征在于:所述系统根据对机床自检的数据模型包括各轴的实际轨道模型和各轴的全维间隙偏差,所述系统在加工时根据进刀方向和受力方向,进行实时间隙 补偿。
  5. 根据权利要求1所述的一种新型智能机床加工系统,其特征在于:所述系统进行工件加工时,将加工的工件和主轴刀具的实时空间坐标不间断地反馈给终端同源测量坐标系统,然后系统根据实时数据,算出相应的指令数据,并将指令数据发送至各轴的控制器执行控制加工。
  6. 根据权利要求1所述的一种新型智能机床加工系统,其特征在于:所述系统的操作包括以下几个部分:
    操作一:测量定位同源,对系统各加工区域进行实时测量感知定位,并实时修正;
    操作二:末端加工位置和刀具测量感知定位,并进行实时测量与控制加工;
    操作三:系统进行单、双码控制,其中一个为机械代码系,另一个为冷热效应微动代码系;
    操作四:配置有冷热效应微动单元,可对主轴进行进一步精密控制。
  7. 根据权利要求6所述的一种新型智能机床加工系统,其特征在于:所述定位同源是对全维加工区域空间位置,对加工主轴、刀具、工件和工件安放平台进行测量定位感知。
  8. 根据权利要求6所述的一种新型智能机床加工系统,其特征在于:所述冷热效应微动单元是通过工件材料的热胀冷缩,对主轴可以实现纳米、皮米级数控重复定位要求。
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