Industrial Technology Research Institute

Chien-Chih Liao

Jen-Ji Wang

Kuo-Hua Chou

Cheng-Wei Wang

Tzuo-Liang Luo

Chun-Ting Chen

Pei-Yin Chen

Jheng-Jie Lin

Hsiao-Chen Ho

Wei-Juh Lin

Bo-Jyun Jhang

Hung-I Lu

Chia-Pei Wang

Yi-Ming Chen

Shuo-Peng Liang

Po-Hsun Wu

Wan-Kun Chang

Yun-Chiao Chen

Wei-Tse Lin

Shao-Ying Hung

Shao-Ku Huang

Yi-Jin Lin

A process diagnosis system includes a digital twin calculation unit, a process diagnosis calculation unit, and a remote calculation analysis unit. The digital twin calculation unit obtains a vibration-related parameter and a cutting-related parameter of a processing device, and performs a simulation calculation for the vibration-related parameter, the cutting-related parameter and a three-dimensional model corresponding to the processing device to generate a three-dimensional calculation result. The process diagnosis calculation unit receives a three-dimensional calculation result and displays the three-dimensional calculation result. The remote calculation analysis unit receives the three-dimensional calculation result, and performs a simulation analysis for the three-dimensional calculation result to generate an analysis result.

Process diagnosis system and operation method thereof

A dodge method of machining path and a machining system is provided. By inserting a flag into an original machining path, an interference between the flag and a suction cup of a support unit is determined. A coding instruction is inserted at the interference to edit the original machining path, thereby generating an edited machining path. Therefore, when a machining equipment executes the edited machining path, the support unit may smoothly dodge a knife of the machining equipment.

Dodge method of machining path and machining system

A system for acceleration adjustment of machine tool at rapid traverse includes a signal measurement module, a signal judgment module and an acceleration optimization module. The machine tool has a servo motor and a working platform. The signal measurement module measures signals while the servo motor drives the working platform from a first specific position to a second specific position, or from the second specific position back to the first specific position. The signal judgment module judges whether the actual maximum current value of the motor is equal to the manufacturer's specification according to the signals; and if negative, the acceleration optimization module calculates and optimizes an axial acceleration till an optimal value is achieved. Then, a curve smoothing time of the optimal acceleration is calculated and optimized by the acceleration optimization module. In addition, a method for acceleration adjustment of machine tool at rapid traverse is provided.

System and method for acceleration adjustment of machine tool at rapid traverse

A method for analyzing an overcutting defect of a machining process comprises steps as following. A machining code is executed to generate a cutting face, wherein the cutting face comprises a plurality of machining paths. A specified machining path is defined from the plurality of machining paths and a specified node is set on the specified machining path. A sectional plane passing through the specified node is calculated. A plurality of intersection points between the sectional plane and the other machining paths which are different from the specified machining path are obtained. A first adjacent intersection point a second adjacent intersection point are specified from the intersection points. A connection line located between the first adjacent intersection point and the second adjacent intersection point is obtained. A distance between the specified node and connection line is calculate and the distance is defined as an overcutting amount of the specified node.

Method for analyzing overcutting defect of machining process

A method for reducing vibration of a robot arm includes: a step of mounting at least one inertia actuator and at least one vibration signal capturing unit to a processing end of a robot arm; a step of applying the at least one vibration signal capturing unit to detect a vibration generated at the processing end of the robot arm so as to generate a vibration signal; a step of applying a central processing unit to evaluate the vibration signal and coordinates of the processing end of the robot arm so as to capture at least one set of corresponding control parameters for calculating at least one output force; and, a step of having the inertia actuator to apply the output force to the processing end of the robot arm for counteracting the vibration at the processing end of the robot arm.

Method for reducing vibration of robot arm

A support mechanism includes a fixed body, a rotating unit, a moving unit and a driving unit. The rotating unit is rotationally mounted to the fixed body. The moving unit, disposed at the fixed body, includes a ball screw spline shaft, a ball screw nut and a ball spline nut. The ball screw nut and the ball spline nut are both rotatably disposed at the ball screw spline shaft moved together with the rotating unit. The driving unit, disposed at the fixed body, includes a first driving member and a second driving member to rotate the ball screw nut and the ball spline nut, respectively. With different rotation pairs of the ball screw nut and the ball spline nut to the ball screw spline shaft, the ball screw spline shaft is driven to move, and the ball screw spline shaft is further to move the rotating unit.

Support mechanism

An adjustable workpiece support system includes an adjustable support apparatus, an analysis support point module, a coordinate post-processing module and a control module. The adjustable support apparatus has a group of support devices for supporting a supported workpiece, the each support device being adjustable in height and angle. The analysis support point module is used to import a computer-aided design file of the supported workpiece, and analyze the computer-aided design file to obtain a group of support points of the supported workpiece. The coordinate post-processing module is configured to calculate the support coordinates of the each support device corresponding to the group of support points. The control module is configured to receive the support coordinates of the each support device, and adjust the height and angle of the each support device to support the supported workpiece, so that the amount of deformation of the supported workpiece is the minimum.

Adjustable workpiece support system and method

A method for inspecting defects of a machining path is provided. The method includes the following steps. Firstly, a contour mold with a plurality of surface nodes is generated according to a machining program code. Next, a normal vector of each surface node of the contour mold is calculated. Then, a tangent vector of a block of the machining program code corresponding to the normal vector is calculated. Afterwards, an error information is obtained according to a relation between the normal vector and the tangent vector. When the error information is greater than a predetermined value, a defect information is shown on the contour mold.

Method for inspecting defects of machining path

A simulation method for milling by use of a dynamic position error includes the steps of: (a) generating a milling surface from a numerical control code, the milling surface having a plurality of grid points, the numerical control code having a position command; (b) calculating a normal vector for each of the plurality of grid points on the milling surface; (c) feeding back a position feedback of each of the plurality of grid points by the controller of the machine tool, and deriving a corresponding three-axis dynamic position error of the milling surface according to the position command and the position feedback; (d) calculating a component of the normal vector for the three-axis dynamic position error so as to obtain a normal-vector error value of the corresponding grid point; and, (e) displaying undercutting information of the normal-vector error value of the corresponding grid point on the milling surface.

Simulation method for milling by use of dynamic position error

A method of load characteristic identification and acceleration adjustment for a machine tool is provided. A first acceleration of a transmission system is set according to the weight of a workpiece, and the working platform and the workpiece are driven at the first acceleration. A first elastic deformation of the transmission system and an amount of first position error of the transmission system are calculated when transmission system is moved at the first acceleration. A dynamic error is calculated according to the first elastic deformation and the first position error. When the dynamic error is less than or greater than a target error, a second acceleration is set to the transmission system, and a second elastic deformation and a second position error are calculated when the transmission system moves at the second acceleration unit the dynamic error is converged to the target error.

Method of load characteristic identification and acceleration adjustment for machine tool

A tool machine servo control simulation device and an establishing method of structure model are provided. The tool machine servo control simulation device includes a structure model and a processor. The structure model includes a position function, a velocity function and a drive property parameter. The processor includes a control signal receiver and a simulation component. The control signal receiver is used for receiving a servo command. The simulation component, response to the servo command, generates a simulation path according to the position function, the velocity function and the drive property parameter.

Tool machine servo control simulation device and establishing method of structure model

An adjustable damper includes a base, a first and second slidable members, a movable seat, a mass unit, and a first and second cantilevers. The first slidable member is slidably disposed on the base in a first direction. The movable seat is slidably disposed on the base in a second direction orthogonal to the first direction. The second slidable member is slidably disposed on the movable seat in the second direction. The mass unit is slidably disposed on the movable seat in the first direction. The first cantilever is fixed to a first connecting member. The first connecting member is connected to the movable seat. The first slidable member movably is disposed on the first cantilever. The second cantilever is fixed to a second connecting member. The second connecting member is connected to the mass unit. The second slidable member is movably disposed on the second cantilever.

Adjustable damper and method for controlling the same

A machine tool feed drive design system is provided, which may include a component database, a detection module, a load condition estimation module and a calculation module. The component database may store the specification data of a plurality of feed drive components. The detection module may detect a plurality of operation signals from a machine tool during a period of time when the machine tool had been executing a machining process to a workpiece. The load condition estimation module may calculate a plurality of actual load conditions according to the operation signals and a device specification parameter of a feed drive of the machine tool. The calculation module may select at least one component combination from the feed drive components according to the actual load conditions and the specification data of the feed drive components to serve as an optimized feed drive specification.

Machine tool feed drive design system and method thereof

A process-orientated design method for machine tool structures comprises the steps of: (A) Defining design conditions including initial configurations, cutting requirements and boundary conditions for the machine tool; (B) Calculating cutting ability to generate information realizing a relationship between a maximum cutting depth and a spindle speed of the machine tool based on the initial configurations and the cutting requirements; (C) Performing an optimization to generate a frequency range for optimization based on the information relating the maximum cutting depth and the spindle speed; (D) Performing structural topology optimization to generate an optimized model based on the frequency range for optimization, the initial configurations and boundary conditions; and (E) Determining whether the optimized model fits the constraint condition; if positive, ends the design steps, and otherwise repeats steps (B)&#x2dc;(D) until an optimized model fits the constraint condition appears.

Process-orientated design method for machine tool structures

A hydrostatic rail guide includes a guide rail, a guide carriage, a hydrostatic supply device, a measurement device and a controller. The guide carriage is hydrostatically mounted on the guide rail and has a hydrostatic channel filled with oil. The oil keeps the guide carriage and the guide rail at a gap. The hydrostatic supply device is adapted for supplying the oil to the hydrostatic channel and adjusting the pressure of the oil. The measurement device is installed on the guide carriage and adapted for detecting the gap between the guide carriage and the guide rail and for producing a distance signal of the measured gap. The controller is connected to the hydrostatic supply device and the measurement device. The controller is adapted for controlling the hydrostatic supply device, based on the distance signal, in order to adjust the hydrostatic pressure of the oil after being pressurized.

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Taichung, Taiwan

Chien-Chih Liao