The hottest German Bahr Cartesian coordinate robot

Application of German Bahr Cartesian coordinate robot in nondestructive testing equipment

nondestructive testing refers to various tests carried out in order to understand the quality, state, performance and internal structure of products and various structural materials without damaging the shape, structure and performance of products; The commonly used nondestructive testing methods are: radiographic testing (RT), ultrasonic testing (UT), magnetic particle testing (MT), penetrant testing (PT), eddy current testing (ET) and visual testing (VT)

application case 1: Third, pay attention to the skills and talent evaluation of professional ethics and professional knowledge. The new system coordinates the detection of LCD by wall mounted robots

I. work requirements:

1. Use the visual system to detect the ground deflection display.:

2. Detection range:

the effective stroke of X, y and Z axes are 2500mm, 600mm and 400mm respectively. A rotatable visual camera is installed at the lower end of the z-axis. The camera is rotatable

3. Workpiece shape:

the workpiece is a computer LCD display, which is large and small. 10 monitors are installed on the workbench each time for detection

4. Positioning accuracy and resolution:

repeated positioning degree is ± 0.025mm, and the system resolution is 0.01 mm

5. Control system:

the system requires that the detection data should be analyzed and processed, including displaying the flaw detection scanning image, filtering, enhancement, amplification, rotation, feature extraction, printing or uploading the scanning results to the upper computer, position marks, etc

II. Robot composition:

the robot is composed of mounting frame and display workbench, robot positioning system, servo drive system, end detection equipment (camera), control system, etc.

2. Robot positioning system

robot positioning system is the core of the whole equipment. It is a product of German Bahr company. X, y, Z coordinates are selected as high-precision ball screw transmission, and the single coordinate repeated positioning accuracy is 0.025mm

x axis adopts dlk200 positioning unit, which is driven by a 1000W servo motor. The servo motor is directly connected with the ball screw

y axis adopts dlk160 positioning system unit. Due to structural requirements, Y axis is the end of the moving structure. The servo motor is directly connected with the ball screw

z axis adopts dlk160 positioning system because Chinese extruder products are closely connected with strategic new industries. The lower end of Z axis is equipped with motor, the upper end is equipped with y axis, and its slider and X axis slider. The servo motor is directly connected with the ball screw

a micro servo motor drives a precision planetary reducer, and the output end of the planetary reducer is equipped with a vision system to form a rotating shaft. All these elements are installed on the slide block of the y-axis

3. Servo drive system

select servo motor with general function. Each moving axis is equipped with a servo motor and a reducer, four moving axes, a total of four sets of servo motors and four reducers, of which the vertical moving axis is a servo motor with band brake

4. Vision system

this part is composed of light source, lens, etc. The function is to transmit images to the control center at any time

5. Control system

the control system is composed of large PLC and touch screen

6. Safety protection device

the machine has fault prompt and alarm functions, and can accurately reflect the specific location of the fault every time a fault occurs, which is convenient for rapid troubleshooting, mainly including: robot collision protection function; Inspection of workpiece installation in place; Light curtain safety protection

application case 2: application of linear servo driven robot positioning system in image processing

I. work requirements: 1. Use a vision system to detect images.: 2. Detection range: the effective stroke of X and Y is 500mm and 400mm respectively. Assemble a visual camera at the lower end of the y-axis. 3. Workpiece shape: the workpiece is a computer LCD display, which is large and small. 10 displays are installed on the workbench each time for detection. 4. Positioning accuracy and resolution: the positioning degree is 0.01mm5. Control system: the system requires to be able to analyze and process the detection data, including displaying the flaw detection scanning image, filtering, enhancement, amplification, rotation, feature extraction, printing or uploading the scanning results to the upper computer, position marking, etc. 2、 Robot composition: the robot is composed of electromechanical devices such as mounting frames, which adopt analog signal control and display workbench, robot positioning system, servo drive system, end detection equipment (camera), control system, etc. 2. Robot positioning system robot positioning system is the core of the whole equipment. It is a product of Bahr company in Germany. The X and Y coordinates are selected as linear servo motors, and the single coordinate repeated positioning accuracy is 0.025mm

x axis adopts dlk200 positioning unit, which is driven by a 1000W servo motor. The servo motor is directly connected with the ball screw. Dlk160 positioning system unit is selected for y-axis. Due to structural requirements, Y-axis is the end of the moving structure. The servo motor is directly connected with the ball screw

z axis selects dlk160 positioning system unit during engine test. The lower end of Z axis is installed with motor, and the upper end is installed with y axis, and its slider and X axis slider. The servo motor is directly connected with the ball screw. A micro servo motor drives a precision planetary reducer, and the output end of the planetary reducer is equipped with a vision system to form a rotating shaft. All these elements are installed on the slide block of the y-axis. 3. Servo motor with general function is selected for servo drive system. Each moving axis is equipped with a servo motor and a reducer, four moving axes, a total of four sets of servo motors and four reducers, of which the vertical moving axis is a servo motor with band brake. 4. This part of vision system is composed of light source, lens, etc. The function is to transmit images to the control center at any time. 5. Control system the control system is composed of large PLC and touch screen. 6. Safety protection device the machine has fault prompt and alarm functions, and can accurately reflect the specific location of the fault every time a fault occurs, which is convenient for rapid troubleshooting, mainly including: robot collision protection function; Inspection of workpiece installation in place; Light curtain safety protection

application case 3: inspection of aircraft parts by three coordinate gantry robot

II. Work requirements: 1. Ultrasonic nondestructive testing is used to scan many small parts of the aircraft

ultrasonic testing (UT) method is used for flaw detection: 2. Flaw detection range: the effective stroke of X, y and Z axes are 800mm, 600mm and 400mm respectively. A rotatable ultrasonic probe is mounted on the lower end of the z-axis. The probe rotation angle is 0 ~ 360 °; 3. Workpiece shape: workpiece shape includes various elements such as arc, line, surface, etc., so robots are required to facilitate spatial interpolation; 4. Bit accuracy and resolution: repeat positioning degree is