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77

Solution: open the back cover of the machine, use a multimeter to inspect, and lock the loose
part.

5. Black screen of display

Reason: the display power supply is not turned on or the signal line is not connected properly

Solution: check the power and signal lines of the monitor.

6. The component frame offsets when moving the camera left and right or back and forth

Cause: lens calibration is not accurate.

Solution: calibrate the lens. Select a clear character or positioning hole on the surface of the
currently inspected PCB for lens calibration. There should be no similar pattern near the
calibration area, otherwise the calibration result will be inaccurate.

7. Too many misjudgments in normal inspection

Reason 1: the component frame offsets

Solution:

①

Check whether the PCB is fixed and fix the PCB and fixture.

②

Make the machine return to the calculation starting point to inspect whether

the coordinates of the components offset as a whole. Then, reset the
coordinate starting point.

Reason 2: incoming materials are changed (stand-by materials are used)

Solution: re-register a standard with new components and include the component standard

and the newly-built standard into the same group.

Reason 3: inadequate learning and debugging lead to false report.

Solution: debug a few more boards.

8. Missing judgment of component

Reason 1: the component has no registered standard

Solution: register standard for the component and optimize the lens.

Reason 2: there is no lens optimization after adding components.

Solution: optimize the lens

Reason 3: the error range of the standard linked to the component is too large.

Solution: reduce the error range of the component standard by reducing the error multiple or

re-register a standard to replace the component standard.

9. Constant offset or reversal of several components during inspection

Reason 1: the component frame has offset.

Solution: move the lens to the position of the component and pull the component frame

Содержание 800

Страница 1: ...site www neodentech com Zhejiang Neoden Technology Co Ltd Copying prohibited Copyright Reserved 2021 Zhejiang Neoden Technology Co Ltd Warning To ensure the safe use of AOI equipment please read this...

Страница 2: ...f Microsoft Corporation As the equipment hardware and software of the Company have been continuously upgraded the content described in this Manual might be different from real object of the equipment...

Страница 3: ...by radio or television and may affect the functions of medical equipment Please use it correctly according to the instructions in this Manual Do not operate the equipment in a place without protection...

Страница 4: ...amera focus correction 10 7 3 Light source adjustment 12 7 4 Camera lens calibration 13 Chapter VIII Programming and Operation of Equipment 15 8 1 Introduction of software operation methods 15 8 2 Man...

Страница 5: ...observe the following matters Please read this Manual thoroughly and use it correctly on the basis of full understanding A copy of this Manual is attached Please keep it for reference at any time This...

Страница 6: ...maintenance 2 1 2 Implementation goal of AOI AOI used in SMT production line is mainly for the following two targets Final quality monitoring the final state of the product when it goes down the produ...

Страница 7: ...il To prevent dust the equipment may be covered 3 4 Impact or strong vibration should be avoided Otherwise the failure of equipment may be caused 3 5 When cutting off the power supply of the equipment...

Страница 8: ...C statistics function recording the inspection data in the whole process and making statistics and analysis Viewing the production status and quality analysis of any area PCB size 50 50mm Min 500 400m...

Страница 9: ...ol supporting CAD Excel Txt and other commonly used formats Machine models NeoDen 800 Weight of equipment 550KG Dimensions of equipment 980 980 1620mm Air pressure requirement compressed air in pipeli...

Страница 10: ...of the color distribution of each pixel and the color transition relationship between imaging grids are analyzed and several functional formulas are listed Then data extracted from several similar pic...

Страница 11: ...ording to needs Then whether the ratio of the color in the inspected image that meets the color in the cube to the total number of colors in the image meets the setting range required Under the red gr...

Страница 12: ...onfirm that the reference of the equipment track and that of the front machine track are consistent on the longitudinal line and horizontal plane If tools such as wooden stick are used to pry the equi...

Страница 13: ...p on the panel is not pressed and the safety light curtains on both sides of the splint are not blocked Double click the shortcut icon of the device main program to start the AOI running program Enter...

Страница 14: ...ed After starting AOI software open Working Mode New Mode in the upper left corner Make sure that the screw thread between the lens and the camera is locked select a PCB and put it on the test platfor...

Страница 15: ...this time the image will display the real time state of sharpness change and then rotate the lower end of the lens in the opposite direction When the Current Value is adjusted to the maximum value fr...

Страница 16: ...rt it is as shown in the following figure Open System Configuration Illuminant Setting in the menu bar select the appropriate adjustment reference value generally select the reference value of 1 adjus...

Страница 17: ...be within 1 degree Calibration method after debugging the camera definition find a PCB and put it in AOI then open AOI software and find a single figure such as screen printing patch material through...

Страница 18: ...14...

Страница 19: ...Reference Value is similarity which can be modified according to actual conditions The higher the qualified reference value is the higher the inspection standard is And the false alarm will be relativ...

Страница 20: ...large and too small regions by setting the extraction area ratio If there is a hole in the middle of some extracted regions the user can check Hole Filling to fill it Please refer to color extraction...

Страница 21: ...tely equal to the average pin width If the maximum pin width is greater than 1 7 time of the average pin width under the same segmentation conditions during testing it means that there are pins and th...

Страница 22: ...external short circuit frame Users can modify the algorithm and adjust the parameters of the pin inspection frame as required Color Extraction extracting a certain color in the image to calculate the...

Страница 23: ...of color channel threshold extraction the system can also set some additional conditions to filter again according to the extracted regions so that users can realize more flexible application when dea...

Страница 24: ...he Delete button to delete the current group basic registration information cannot be deleted Feature Method This algorithm is generally used to inspect the spherical surface of BGA and is used to ins...

Страница 25: ...of Registration Chart and Maximum Size of Registration Chart can be referred Then set the parameter of shape degree to represent the similarity between each ball and circle Blue Ratio represents the...

Страница 26: ...ified Reference Value is set This parameter is the number of BGA balls in this algorithm Measurement is used in this algorithm to measure the height and width of a single image and the distance betwee...

Страница 27: ...options below and enter the allowed error All the above algorithms are commonly used 8 2 Manual program editing 8 2 1 New mode Open the AOI software according to 7 1 Start up procedure The following...

Страница 28: ...e and only Track 2 can be adjusted for the lower cover and monorail You can select Jog and then select the corresponding unit for fine adjustment Click Close after the adjustment is completed Then put...

Страница 29: ...s outside the lower right corner of PCB as shown in the following figure Because the position of track 3 is not fixed the position of the lower right corner should be set for each program First after...

Страница 30: ...o the size of the board So the lower right corner of the lower cover cannot be fixed and needs debugging every time as shown in the following figure Move the camera position to the lower right corner...

Страница 31: ...wer right corner and upper left corner of PCB Before setting the upper right corner if special PCB needs image pre processing it can be adjusted in the lower right corner of the interface as shown in...

Страница 32: ...name information as shown in the following figure Click Yes and the camera starts scanning the whole PCB image After completion a dialog box will prompt Please set Mark Point Click Confirm and a dialo...

Страница 33: ...ton to select one of the mark points of PCB bevel angle Click Set and adjust brightness contrast and color mode to make the outline of Mark point image clear Click Mark Point 2 to switch to the settin...

Страница 34: ...table Click Close after Mark point setting is completed The system will prompt Whether to Enter Editing Mode Immediately and click Yes to enter editing mode 8 2 2 Editing mode Close the Mark setting i...

Страница 35: ...omponents Resistance indicating making the inspection frame for resistance Capacitance indicating making the inspection frame for capacitance Solder joint square and solder joint circle indicate makin...

Страница 36: ...camera will automatically move to this point To exit just right click When dragging to make frame try to adjust the angle scale and position of the frame by using the space button button or button Or...

Страница 37: ...me is inappropriate in size you can click on the inappropriate frame to debug the size 0402 or smaller capacitance resistance can be directly selected from small material frame as shown in the followi...

Страница 38: ...ct the made component frame right click Single Point Copy then move the mouse to the same component and click the left mouse button and right click to cancel the copy box Click Space Key to rotate by...

Страница 39: ...re are many types of IC components we generally choose our own frame combination In the following steps take our own frame combination as an example first select Short Circuit Frame to make the solder...

Страница 40: ...tween the white bottom plate and the corners and it is difficult to divide you can check the Whiteboard below for division according to the situation After the pins are divided the software will autom...

Страница 41: ...Then click OK to return to the previous interface Click Save to return to the previous interface and click Apply Close Use the same method to make the pin on the other side Then select Polar Box note...

Страница 42: ...for characters Check it and click OCV OCR to enter the setting interface as shown in the following figure By debugging Area Threshold Segmentation Threshold Filtering Threshold Corrosion and Filling...

Страница 43: ...noumenon frame of the IC As shown in the following figure In the property interface the Region Method is used for noumenon by default If the noumenon is unclear check Mean or Maximum In addition the f...

Страница 44: ...t needs to be inspected and then select the appropriate operation method After drawing merge each box of the component into a whole and then register the component Solder leg None polar Frame can be s...

Страница 45: ...41 shown in the following figure According to the above method edit all the components of this split board and then click One click Register shortcut key F2 as shown in the following figure...

Страница 46: ...component frame edited by this split editing will be copied to another split board The specific operation is as follows First select the edited component split board in the left mouse button box on th...

Страница 47: ...ext spilt and then click the left key As shown in the following figure Then double click the mouse to move the position of the camera to the copied spilt and drag the whole components of the spilt to...

Страница 48: ...od When there are many spilts it is recommended to copy them together After copying all the spilts click Path Optimization at the bottom of the interface so that the running route of the camera will c...

Страница 49: ...shown in the following figure After positioning click File Management Save in the menu bar to complete the editing mode 8 2 2 Debugging mode Enter the inspection mode in Working Mode Inspection Mode...

Страница 50: ...wer middle is the information of the component frame False alarm debugging depends on the information location of the component frame as shown in the following figure First check the Unit Type of the...

Страница 51: ...error in adding pictures As shown in the following figure In the lower left corner of this interface find the wrong picture by turning back and forth and delete it note the first image is the register...

Страница 52: ...the figure the specified color will be displayed at the extracted position If it is not completely extracted it can be debugged by debugging Hue Brightness and Saturation note the color of the empty p...

Страница 53: ...component frame is offset as shown in the following figure The offset of a single component frame can be realized by the arrow at the top of the picture If most component frames are offset you can cli...

Страница 54: ...D data import Using CAD data import method to edit programs can improve editing speed reduce wrong links and effectively improve editing efficiency To use CAD programming it is necessary to first have...

Страница 55: ...am The method in the new mode is exactly the same as that in manual editing so you can refer to the method of manual editing After entering edit mode click Work Mode CAD Import in the menu bar then se...

Страница 56: ...ame of the file is not sheet1 fill in the first table name Then click OK to enter the following interface as shown in the figure Enter this interface and click Select All Click the right mouse button...

Страница 57: ...he component will be automatically registered and the inspection frame of the components of the same item will be automatically generated However after the component frame is registered its size canno...

Страница 58: ...of components that have already been made in the list will not be displayed Left click and double click the camera on the left of any coordinate interface to automatically move to the current coordin...

Страница 59: ...f bad mark skip board After the program editing and false alarm debugging are completed the skip board can be set Enter Editing Mode after false alarm debugging Then click Base Board Configuration in...

Страница 60: ...he left image of the interface and then click Set Image to finish as shown in the above figure Box the single spilt of PCB in the lower left corner on the right thumbnail of the later interface click...

Страница 61: ...can set to skip directly when NG reaches the set ratio the system defaults to skip directly when the false alarm ratio of a single spilt reaches 50 After setting click Edit Area as shown in the follo...

Страница 62: ...ng each single spilt will automatically generate a yellow dotted frame on the thumbnail on the right Then click Save in File Management If there are spilts of different angles yin and yang boards on t...

Страница 63: ...the interface and click Set as shown above Note a clear and stable image should be selected and the same image cannot be found at the same position on the other side of the PCB Click Close after sett...

Страница 64: ...oftware adjust the width of the track corresponding to its board and then adjust the lower right corner position of PCB board after the back rail and lower cover of double track need to enter the boar...

Страница 65: ...wn below ID Mark should be made for double track which will prompt the track corresponding to this program After selection it will prompt to import another program and then select its track After open...

Страница 66: ...oard and Start Key on the machine to start inspection When there is a board at the board entrance end it will automatically enter for inspection After inspection it will be automatically discharged A...

Страница 67: ...urrent false alarm The spilt selected in the yellow box is the skip area as shown in the rightmost spilt in the above figure The upper right part is the FOV enlarged image The lower left part is the m...

Страница 68: ...click to enter the path setting interface Ten click behind NG Image Path to find the database path as shown in the following figure After setting the data tested every day will be saved in SPC databa...

Страница 69: ...or NG file path is as shown above Then click save General factory settings have been completed After setting you can query all kinds of reports in this SPC software and query reports according to proc...

Страница 70: ...66...

Страница 71: ...67...

Страница 72: ...he position of the lower right corner when creating a new program Park position the position of the machine to be inspected Rail convey setting the plate feeding direction of the rail Right board entr...

Страница 73: ...nspection in the same direction Speed setting enter the running speed setting of the camera by opening Speed Setting alone FOV pixel size the size of each image captured by the camera in pixels Softwa...

Страница 74: ...otate with the angle of mark point whether the image of a single FOV rotates with the rotation angle of Mark point Separate inspect when checked FOV photographing and inspection are separated and it i...

Страница 75: ...thumbnail when saving PCB data the thumbnail of each board will be saved Synchro Move of Panel when checked if moving the component frame of PCB the same component frame on other spilts will also move...

Страница 76: ...r s authority and password The authority is divided into Administrator Programmer and Operator and the password can be modified in User Maintenance In the Editing Mode open Bar Code Settings in Substr...

Страница 77: ...ar code format and bar code area after checking Start Bar Code and the test data will be saved according to the bar code during the later test In the Editing Mode open MES Settings in Substrate Config...

Страница 78: ...at and path of MES upload can be set after MES Upload is checked in this interface In the Editing Mode open Register Default Settings in Base Board Configuration in the menu bar as shown in the follow...

Страница 79: ...n this interface users can set the default value of each type of component frame when editing the program and can modify the value according to their own needs to improve the efficiency of program edi...

Страница 80: ...ration of the machine This problem can be solved by grounding protection The specific method is to lead a wire from the rear cover screw of the machine and connect it to the dedicated ground wire of t...

Страница 81: ...pect whether the coordinates of the components offset as a whole Then reset the coordinate starting point Reason 2 incoming materials are changed stand by materials are used Solution re register a sta...

Страница 82: ...the component Mark point was not selected well Or the Mark point was oxidized on PCB and the color difference is too large Solution cancel all Mark points and select other points to set Mark points 12...

Страница 83: ...d guide rail with No 10 or No 11 oil brush Note grease and lubricating oil must be of good quality Otherwise the surface friction on the screw rod or guide rail will be increased thus shortening the s...

Страница 84: ...the axis runs to the end the mechanical limit is pressed to disconnect both ends of the connecting line If the mechanical limit switch is damaged a spare part installed in the side by side position c...

Страница 85: ...e guide rail has an oil nozzle protection cover take it off before filling Step 4 insert the oil injection gun head into the oil injection nozzle of the sliding block and press it tightly Gently press...

Страница 86: ...ether the light source casing will collide with the machine housing use the mirror to check if there is any unlit LED inside the light source 6 Check whether the track screws are tight and whether the...

Страница 87: ...camera 17 Check whether the aperture and focus adjustment screw on the camera lens are locked 18 Start and exit the program to see whether AOI software can be started normally and whether there is an...

Страница 88: ...mal situation and x indicates abnormal situation 2 In case of any abnormality the abnormal situation handling and results must be filled in and signed by the responsible department head for confirmati...

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