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    • 3. 发明专利
    • AUTOMATIC GENERATING METHOD FOR DEBURRING PROGRAM USING FIXED TOOL
    • JPH07121222A
    • 1995-05-12
    • JP28973993
    • 1993-10-27
    • FANUC LTD
    • TERADA TOMOYUKINAGATSUKA YOSHIHARU
    • B23Q15/00B23D79/00B23Q15/14B24B9/00B25J9/22G05B19/4093G05B19/42
    • PURPOSE:To provide the automatic generating method for the deburring operation program using the fixed tool. CONSTITUTION:On an off-line system, a bur G which extends in the direction of a vector (g) is formed along the ridge PsPe of a work W gripped by a robot. In the figure, O is the origin of a reference coordinate system integral 0, TCP is a tool tip point set on the work W, and K is a machining point on the machined surface (normal vector (h)) of the fixed tool. Then A = B*invT is calculated by using a matrix A showing the position and attitude of TCP viewed from SIGMA0, a matrix B showing the position and attitude of the fixed tool viewed from TCP at the bur pint, and a matrix T showing the position and attitude of the work W at the bur point from TCP to determine the position and attitude of the robot. The attitude of the robot is determined so that the attitude expression part of the matrix T is held constant between Ps and Pe or smoothly varies between Ps and Pe. When the path is curved, polygonal approximation is performed between Ps and Pe according to smoothness precision Ac, and the matrix A is calculated at each division point in each short section to determine the position and attitude of the robot sequentially, thereby generating the operation program based upon them.
    • 9. 发明专利
    • IMAGE DISPLAY SYSTEM
    • JPH08287291A
    • 1996-11-01
    • JP8792195
    • 1995-04-13
    • FANUC LTD
    • TERADA TOMOYUKIKATOU MORITAKE
    • G01C19/00G06T3/60G06T17/00
    • PURPOSE: To display a projection image on a screen at a desired angle with easy operability as to the image display system which displays three-dimensional image data corresponding to the position of a viewpoint. CONSTITUTION: A display device 6 is able to rotate and move at least in three dimensions. This display device 6 is provided with a gyro sensor 7 which detects the angles α, β, and γ of the three-dimensional directions of the display device 6. A matrix arithmetic means 1 calculates rotational matrixes around the respective axes according to the angles α, β, and γof rotation of the three-dimensional directions that the gyro sensor 7 detects. A viewpoint position arithmetic means 2 calculates a viewpoint position after movement on the basis of the calculated rotational matrixes. An image data generating means 3 generates image data viewed from the viewpoint after the movement on the basis of the calculated viewpoint position after the movement and original image data 4a stored in an original image storage means 4. Then a display control means 5 displays the generated image data 8 on the screen 6a of the display device 6.
    • 10. 发明专利
    • PRODUCTION OF ROBOT OPERATION PROGRAM
    • JPH07302110A
    • 1995-11-14
    • JP11739094
    • 1994-05-09
    • FANUC LTD
    • TERADA TOMOYUKINAGATSUKA YOSHIHARU
    • B25J9/10B25J9/22G05B19/4093G05B19/4103G05B19/42
    • PURPOSE:To extremely improve the coincidence between the track of a robot and its target one in a non-positioning control state. CONSTITUTION:The dividing points Ai are decided to divide a target robot track Qd (t) into many minute sections, and a teaching point generation intervenient point Bj is extracted out of these points Ai in response to the curvature. Each point Bj is extacted under the condition that the space between these points does not exceed a teaching point non-setting allowable section length index Lmax and every time the directional change of tangent vector exceeds a teaching point setting density index N at each of points Ai. Then a teaching point Pj is set at a position that is decided when the point BJ is shifted toward the center of the curvature according to the curvature of the track Qd (t) at the position of the point BJ. Then an interpolation system, a moving speed and a positioning rate are designated and a robot operation program is produced for execution of a trial reproduction operation. Meanwhile an actual robot track Qo (t) is recorded and the difference between both tracks Qo (t) and Qd (t) is evaluated. Then the trial operation is repeated while the parameter is changed to decide a shift extent toward the center of the curvature until the satisfactory result of evaluation is obtained.