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HNC-18/19T Operator’s Manual

f) POSITION

SUBMENU

The key “POS” has six submenus.

F1, corresponding to MCS, displays machine coordinate system.

F2, corresponding to WCS, displays workpiece coordinates system.

F3, corresponding to ALL, displays overall information of the axes.

F4, corresponding to TEXT, displays the G code of the program.

F5, corresponding to GRPH, displays the graphical figure of the part.

F6, corresponding to GRPH PARM, allows the user to set graphical
figure’s parameters.

g) PARAMETER SUBMENU

MCS (F1)

WCS (F2)

POS

ALL (F3)

TEXT (F4)

GRPH (F5)

GRPH PARM (F6)

BACK PARM

(F1)

LOAD PARM (F2)

PAR

DNC PARM (F3)

BACK PLC (F5)

LOAD PLC (F6)

PASSWORD (F4)

Содержание HNC-18M

Страница 1: ...CENTURY STAR MILLING CNC SYSTEM HNC 18 19M OPERATOR S MANUAL V2 01 Wuhan Huazhong Numerical Control Co Ltd ...

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Страница 3: ... OFFSET 27 3 MANUAL OPERATION 29 JOG FEED 30 INCREMENTAL FEED 35 MANUAL HANDWHEEL 39 SPINDLE OPERATIONS 42 AUXILIARY OPERATIONS 45 4 AUTOMATIC OPERATION 47 PROGRAM LOADING 49 PROGRAM TESTING 51 RUNNING CONTROL 53 BREAK POINT OPERATION 57 MDI OPERATION 62 5 PROGRAM OPERATION 65 OPEN A PROGRAM 66 CREATE A NEW FILE 67 DELETE AN EXISTED FILE 69 EDIT A PROGRAM FILE 70 PROGRAM FORMAT 72 6 DATA EXCHANGE ...

Страница 4: ...LE FROM NC 80 7 SETTING AND DISPLAYING 83 POSITION AND COORDINATES CHOICE 83 VIEW OPTIONS 84 8 DIAGNOSIS 88 ALARM DIAGNOSIS 89 I O CHECK 90 REGISTERS WATCH 91 9 PARAMETERS 93 PARAMETERS BROWSING 95 PARAMETERS OPERATION 96 PARAMETERS DESCRIPTION 99 ...

Страница 5: ...er situations should be less than 5 9 m s 0 6 g for vibrations in the range between 10 to 60 Hz 4 Correct grounding is critical for the NC unit and other electrical devices No grounding or incorrect grounding may injure the operator or damage components of the NC devices If the devices are not correctly grounded inductive interference from electric motors and appliances can give errors and unexpec...

Страница 6: ... with the operation Generally each machine has a maximum allowable feedrate found in the machine s operation manual If a machine is run at other than the correct feedrate or if the maximum allowable feedrate is exceeded unexpected motion or behavior may result that can damage the workpiece damage the machine or injure the operator 10 When using the tool compensation function thoroughly check the d...

Страница 7: ...eys may prevent the NC unit from entering its normal state Starting the machine in the wrong state may cause unexpected motion or behavior 13 While the operator s manual supplied with an NC unit provides an overall description of the machine s functions some functions are specific for that machine alone and may not be available for another model Check the specification of the machine if in doubt a...

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Страница 9: ...the NCU and other computers A PS 2 connector in the Data Exchange Port lets the user plug in a keyboard Front face of Numerical Control Unit NCU Alpha numeric keyboard LCD Screen Soft keys Machine control keys MPG Manual pulse generator unit is a hand pandent that compose of an Emergency Stop button an axis switch and a pulse generator It can be used for the user to operate the machine at a conven...

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Страница 11: ... the upper right displays the machine s status the tool s position the program s content and other information b Menu keys Beneath the LCD screen are the Soft keys from F1 to F10 They change their function depending on which menu is being used c Alpha numeric keyboard On the right side of the LCD screen is the Alphabetic keyboard These keys are used for editing a program as well as changing or vie...

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Страница 13: ...ls An emergency stop button is on the front panel to deal with abnormal situations Pushing down on the button stops the machine from any further motion and sets the electronic brakes on the motor axes and spindle Pulling upon a stopped button resets the software system and the machine can operate again under computer or manual control Alpha Numerical keys Function keys ...

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Страница 15: ...HNC 18 19T Operator s Manual 1 A green Cycle Run button starts the automatic machining process A red Feed Hold button pauses machining under computer control ...

Страница 16: ...key switches to SBL mode In SBL mode a program can be run block by block Manual MAN mode key Pressing this key switches to manual operation or jog mode In manual mode any axis of the tool can be manually controlled Incremental INC mode key Pressing this key switches to INC operation mode In INC mode the tool can be moved a number of steps along any axis by either the Axis keys or the hand wheel Ma...

Страница 17: ...ltiple step selection keys are KEY DESCRIPTION Each key push moves that axis one step Each key push moves that axis 10 steps Each key push moves that axis 100 steps Each key push moves that axis 1000 steps A step is equal to one micrometer 1 μm for each linear axis X Y Z and 0 001 degrees for each rotational axis On the same row as the Multiple Step keys is the Verify key used in conjunction with ...

Страница 18: ...n key Turn on the lubrication system with this key Tool lock unlock After pressing this key the tool will be release if it is locked before and will be locked if it is to be replaced in Spindle Clockwise Rotation key Pressing this key begins spindle rotation in the clockwise direction top of workpiece moves toward operator Spindle Stop key Stop the spindle rotation by pressing this key Spindle Cou...

Страница 19: ...pressing the center key sets the speed at 100 of the base speed the LED light in the key s upper left corner is lit to signify that the machine is running in base speed Pressing the minus key decreases the base speed by a fixed percent pressing the plus key increases the base speed by a fixed percent Below is an example where the speeds are changed by 2 KEY DESCRIPTION Pressing this key decreases ...

Страница 20: ...ressing the X key homes the X axis finds the machine reference on the X axis In INC mode or Manual Mode the tool moves the Y axis in the positive direction while Y is pressed and in the negative direction while Y is pressed In Reference mode pressing the Y key homes the Y axis finds the machine reference on the Y axis In INC mode or Manual Mode the tool moves the Z axis in the positive direction w...

Страница 21: ...ble or disable the servo Block Bypass key Activating this key bypasses program blocks that start with a character Program Stop key Activating this key enables the M01 G code stop function stopping the program at a desired block Not used Machine Lock key Activating this key prevents any motion from the spindle the tool changer turret or any axis it is used for system testing ...

Страница 22: ...There are two kinds of page change keys PageUp key moves the page one screen up PageDown key moves the page one screen down Cursor keys Right key moves the cursor to the right selects a soft key to the right or selects a column to the right Left key moves the cursor to the left selects a soft key to the left or selects a column to the left Down key moves the cursor down selects a soft key on the b...

Страница 23: ...Numeric keyboard The LED light in the upper left corner indicates whether the upper character is selected When the LED light is on the upper character is selected otherwise the lower character will be input For example X will be input if is pressed when LED light of is off while A will be input when the LED light is on ...

Страница 24: ...ss this key to switch to MDI Manual Data Input submenu OFFSET submenu key Press this key to enter into OFFSET submenu which enable the operator to set a tool s offset data DIAGONOSIS submenu key Activating this key will present DIAGONOSIS submenus which can help user to tell what is the cause of faults happened POSITION submenu key This key will bring up the POSITION submenus Which allow the opera...

Страница 25: ...NU The key PRG has six submenus F1 corresponding to OPEN picks which program is to be run or edited By default or switched from EDIT to OPEN F3 F6 are attached with TST REW BP and DNC TST stands for PROGRAM TEST verifies whether the opened program has correct syntax and tool path REW abreviation of REWIND restarts a program from the first block PRG OPEN F1 EDIT F2 DNC F6 REW F4 TST F3 BP F5 TST F3...

Страница 26: ...s active F3 F6 are used for NEW SAVE ROW and STOP Stop the program from running NEW creates a new program SAVE saves the current program ROW allows the user to run the program from a specified row rather than from the first STOP Stop the program from running b SETTING SUBMENU The key SET has three submenus F1 WCS workpiece coordinate system Lets the user to set coordinates system s origin offset f...

Страница 27: ...t Y HPI resets the Y position of home point Z HPI resets the Z position of home point c MDI SUBMENU The key MDI has two submenus F5 corresponding to BAK BP lets the tool go back to the break point after an interactive intervention during automatic machining F6 corresponding to ALGN TOOL allow operator to re align the tool s dimension d OFFSET SUBMENU The key OFT has two submenus F1 corresponding t...

Страница 28: ...the system registers F3 corresponding to MSG lists the contents of alarms F5 corresponding to ABT ABOUT presents version information of the software F6 corresponding to JOB NOTE is a statistic function which has three submenus NEW JOB RST JOB and BACK NEW JOB allows the user to set the planned workpieces number RST JOB lets the user to reset the statistic value BACK back to the previous menu I O F...

Страница 29: ...ding to ALL displays overall information of the axes F4 corresponding to TEXT displays the G code of the program F5 corresponding to GRPH displays the graphical figure of the part F6 corresponding to GRPH PARM allows the user to set graphical figure s parameters g PARAMETER SUBMENU MCS F1 WCS F2 POS ALL F3 TEXT F4 GRPH F5 GRPH PARM F6 BACK PARM F1 LOAD PARM F2 PAR DNC PARM F3 BACK PLC F5 LOAD PLC ...

Страница 30: ... backup parameters F2 corresponding to LOAD PARM loads a saved parameter file F3 DNC PARM used to set the DNC parameters F4 PASSWORD inputs the password to access the parameters F5 corresponding to BACK PLC backs up the PLC program F6 corresponding to LOAD PLC loads a saved PLC program ...

Страница 31: ...es six steps 1 Power On 2 Reset 3 Reference home point approach 4 Define software limits 5 Set tool data 6 Set workpiece coordinates The first three steps are always necessary each time the machine is powered on Step 4 is necessary only when the machine is set up for the first time Step 5 is done for each tool cutter before it is used to cut the parts Step 6 is done each time a new program used Le...

Страница 32: ...n b Press down the Emergency Stop button on the machine s front control panel c Turn on the power supply of the machine usually located in back of the machine and or beneath the control panel d Make sure the fans run normally e Make sure the lamps on the MCP have been lighted on ...

Страница 33: ...tors and the spindle motor will stop immediately when the Emergency Stop ES button is pressed This button can be used when there is a machine malfunction before powering the system on or off Once the ES button is pressed the system enters into the ES Mode In this mode no operation except reset is allowed After curing the cause of the machine malfunction or to enable the machine after the machine i...

Страница 34: ...revious time Shown below is a diagram of a typical axis homing The present location in red is a distance from the Origin When the axis homes the axis motion moves the present location toward the origin until it touches the Reference Switch RSW Now it is roughly located near the origin Next machine control moves the tool very slowly until the home signal encoder signal is triggered This is the exac...

Страница 35: ...ce for homing is as follows First switch the mode to Home mode by pushing the Home key on the control panel Next press X to home the X axis and last press Z to home the Z axis Switch the mode to home mode by pressing the home key on the MCP Press X to approach reference point of x axis Press Z to approach reference point of z axis Press Y to approach reference point of y axis ...

Страница 36: ...itive Z axis moves the cutter away from the workpiece along the spindle i e turning axis When the axis is commanded to go beyond these limits overtravel first the software switch will be encountered At this point motion ceases and no further motion in this direction is permitted The tool can be retrieved from a software overtravel by using manual or incremental commends to move the tool back towar...

Страница 37: ...re limit the hardware limit switch is encountered This can occur if the software switches are not set properly of if the tool is moving too fast to stop when the software limit is reached Tool location Hardware Limit Software Limit Software Limit Hardware Limit Motion ...

Страница 38: ...tion keys of the alpha numeric keyboard to get to the Offset Data screen Here the tool data input windows displayed Sequence to set tool length compensation value a Press F1 corresponding to LEN Comp under OFT function b Move the cursor to the tool s row with or c Press Enter to make the tool s length editable d Enter the tool s length compensation value e Press Enter again to confirm ...

Страница 39: ...l diameter compensation a Press F2 corresponding to DIA Comp under OFT function b Move the cursor to the tool s row with or c Press Enter to make the tool s diameter editable d Enter the tool s diameter compensation value e Press Enter again to confirm ...

Страница 40: ...xpectancy a Press under OFT function to move the cursor to tool s life column b Move the cursor to the tool s row with or c Press Enter to make the tool s life editable d Enter the tool s life expectancy value e Press Enter again to confirm ...

Страница 41: ...orkpiece coordinates with G54 G59 To use these 6 workpiece coordinates user need to define the offset of their origin to machine coordinates origin Sequence a Press SET key to enter into the setting submenu b Press F1 corresponding to WC S on the LCD screen gets into the coordinates system setting interface Press this key to SETTING submenu Press F1 WCS to bring out WCS screen ...

Страница 42: ...tion of G54 G59 and RCS offset d Input the offset value on the command row For example if the offset of G54 is 100 and 100 type in X100 Z100 e Press Enter to confirm f The new origin position of the W C S will be displayed on the screen Type in the WCS value for G54 at this area The new origin position take effect ...

Страница 43: ...e In addition the cutter can be moved out of the way to get access to the part for measuring For an experienced mill operator that has little or no experience on an NC mill these operations are a good place to start You can understand how familiar operations are implemented on an NC machine The five MAN operations include JOG feed Moving the cutting tool along a motion axis while an axis button is...

Страница 44: ...ters For example if the rapid traverse feedrate were set at 600 in min the JOG feedrate would be 200 in min using the factory default setting In addition the JOG feedrate can be adjusted with the manual feed override ratio Pressing the rapid traverse key and an axis key at the same time moves the tool at the rapid traverse feedrate also called the rapid traverse speed This let s you move the cutti...

Страница 45: ...s the key is pressed The tool motion stops when the axis key is released Adjusting JOG feedrate The JOG feedrate is adjusted with the feedrate override keys located in the middle of the Machine Control Panel MCP key area on the bottom of the front panel Below are the three override keys that control the JOG feedrate a minus key on the left the 100 key and a plus key on the right As in other keys a...

Страница 46: ...nus key reduces the feedrate by the factory default amount of 2 of the 100 JOG feedrate By pressing the minus key the JOG feedrate is increased by the 2 factory default amount For example if the JOG feedrate were 200 in min and you pressed the plus key the new feedrate would be 204 in min LED light shows when feedrate is 100 of full value Feedrate icon Set the JOG feedrate to its full value 1 3 of...

Страница 47: ...ove the cutting tool at the Rapid Traverse speed press the Rapid Traverse key while simultaneously pressing one of the feed axis keys X X Y Y Z Z Like the JOG feedrate a minus key X Y Z moves the cutting tool toward the workpiece while a plus key X Y Z moves the cutting tool away from the workpiece In either case the motion will be at the Rapid Traverse speed The override keys can be used for Rapi...

Страница 48: ... The rapid jog feedrate can be adjusted with the rapid traverse feedrate override keys Set the Rapid Traverse speed to its full value 1 3 of the axis s rapid traverse speed Increase the Rapid Traverse speed by 2 Decrease the Rapid Traverse speed by 2 ...

Страница 49: ...10 100 or 1000 times giving a step length The INC feed is useful for adjusting the cutting tool a small fixed amount from a surface being turned or faced For example in making a sample cut the cutting tool can be adjusted toward the workpiece until it just begins to cut Then using a small say 5 thou incremental X movement lets the operator clean up surface of the workpiece by removing 5 thou from ...

Страница 50: ...ine s encoder The minimum step is a certain rotation of the ball screw moving each axis Depending on the number of steps on that axes encoder the step size is either in English or metric units For an English unit encoder the minimum step is 50 millionths of an inch half a tenth of a thou For a metric unit encoder the minimum step is 1 micron 0 001 mm The step length is a magnified length The dista...

Страница 51: ...ne step in the desired direction As in JOG feedrate or Rapid Traverse speed for moving the cutting tool toward the workpiece use a minus key X Y Z For moving the cutting tool away from the workpiece use a plus key X Y Z The tool will move one step for each press of the key Remember each step length consists of the minimum step multiplied by the magnifier see Step length selection above LED light s...

Страница 52: ...3 MANUAL OPERATION 38 For example this key moves the X axis one step in the plus direction away from the workpiece This key moves the X axis one step in the minus direction toward the workpiece ...

Страница 53: ...100 X1000 To use the handwheel unit press the same INC mode key as for INCremental feed When the handwheel is enabled the INC mode on the front panel is disabled i e the incremental feed operation is disabled Handwheel Feed Functions Requirements The machine is in INC mode If not switch to INC mode by pressing the INC mode key in the Machine Control Panel MCP key area on the bottom of the front pa...

Страница 54: ...wheel motion Magnification selection knob The right knob on the Handwheel unit is the Magnification Selection knob By rotating the knob you select the amount of magnification to the step length for each increment of handwheel motion The amount of magnification can be 1 10 100 or 1000 INC mode key INC mode LED indicator light OFF The handwheel unit is disabled control is through the INC mode on the...

Страница 55: ...on X Y Z Always be cautious when moving the handwheel counter clockwise because you are moving it toward the cutting zone X1 No magnification each click of the handwheel moves one minimum step X10 Each click of the handwheel moves ten minimum steps X100 Each click of the handwheel moves a hundred minimum steps X1000 Each click of the handwheel moves a thousand minimum steps Clockwise Rotation CW M...

Страница 56: ... and other common auxiliary devices The spindle is the most important of these keys since no cutting takes place unless the spindle is rotating For most mills the spindle can be manually operated when the mill is not machining However some mill manufacturers do not allow manual operation of the spindle except in JOG mode Spindle Control Keys ...

Страница 57: ... verify that you are in the JOG mode Make sure there is no potential danger from the spindle turning before you run the spindle manually Spindle Operation The four keys shown below control the spindle operation The lower left key starts spindle rotation in the clockwise CW direction the middle key stops the spindle manually and the right key starts spindle rotation in the counter clockwise CCW dir...

Страница 58: ...er way you must first stop it and then press the desired rotation direction RUN SPINDLE CCW Rotate the spindle in counter clockwise direction The LED is lit if the spindle is running RUN SPINDLE CW Rotate the spindle in clockwise direction The LED is lit if the spindle is running STOP SPINDLE Stop the spindle manually ...

Страница 59: ...nctions Auxiliary keys Requirements The machine must be in JOG mode If not switch to JOG mode by pressing on the JOG key in the Machine Control Panel MCP key area on the bottom of the front panel The icon on the JOG key is After pressing the JOG mode button the LED indicator light on that key lights to verify that you are in the JOG mode Auxiliary Function keys JOG mode key JOG mode LED indicator ...

Страница 60: ...ontrol the chuck the right key clamps the chuck and the left key selects the chuck COOLANT ON OFF Press this key to start coolant flow Coolant flow is ON if the LED light is lit and OFF if the LED light is off Coolant key Tool key LUB key LUBRICATION ON Turn on the lubrication system TOOL LOCK UNLOCK Provided the tool is exchangeable once this key is pressed the tool will be release if it is locke...

Страница 61: ...ute Several sample programs are already included in the controller s memory If you are a beginner execute one of the sample programs in AUTO mode If you are an advanced NC operator execute a program that you have written yourself Softkeys Programming functions require softkeys These are keys whose function changes depending on the key s description on the LCD screen The physical keys are located j...

Страница 62: ... other necessary data 4 Machine lock is off 5 Machine is in AUTO mode If not switch to AUTO mode by pressing on the Machine Control Panel MCP key area Automatic operation includes five parts AUTO mode key AUTO mode LED indicator light Running Control running part of the program to debug it Program Verifying finding errors in a new program Program Loading putting the program into the lathe s memory...

Страница 63: ... writes the program file sets these operations Only one program at a time can be loaded for execution by the mill Usually many programs that have been written are stored in the mill s computer Loading is the process of picking one of these programs to be executed Sequence The following steps are used to load a program for execution 1 From the physical keys located below the Alpha numerical keyboar...

Страница 64: ... file and the rightmost file shows the last date the file was changed Note that program files always start with the letter O The example below has 2 program files each 1K long one kilobyte 4 Use the up down keys to select one of the program files from the program file directory Each press of the down key moves the blue selected line to the next file down in the file listing 5 Last press the Enter ...

Страница 65: ...de or SBL mode Single Block mode 3 Press the F5 key corresponding to TST ProgramTest in the Program Functions submenus 4 Press the Cycle Run button on the Machine Control Panel MCP keys area to start the VERIFY process 5 As the program is tested the lines of the program are displayed The line being tested is highlighted in yellow As testing progresses the yellow line moves line by line from the to...

Страница 66: ...4 AUTOMATIC OPERATION 52 Note that there is no motion of the cutter or any other action that takes place The TEST process is a simulation of the motion or action that would take place ...

Страница 67: ...s will step through the program in Single Block SBL mode before trying it in AUTO mode The program running process either testing or executing can be paused canceled or run from the start again You can also run the program from a specific location in the program other than from its start to more easily confirm the program a section at a time There are four softkey functions for running process con...

Страница 68: ... Feed Hold stopping the motion of the program with a softkey press Restart begin the program operation again after a pause Pick Start Block begin the program at other than its first line Save Break Point shut down the machine and save the restart point Load Break Point load the restart point after machine shutdown Break Point recover restart after machine shutdown Align Tool change tools and reali...

Страница 69: ...OLD softkey is pressed to cancel the AUTO mode 3 If the machine is in SBL mode the machine stops after each block of the program is executed Press Cycle Run again and the next block in the program will be executed Feedhold Requirements 1 The program has been successfully tested 2 The machine is in Single Block SBL mode or Automatic AUTO mode Sequence 1 During execution pressing the red Feedhold bu...

Страница 70: ...it with the PAUSE operation below Restart If the program has been canceled it can be restarted from the program beginning by pressing the REW REWind softkey Sequence 1 Press F4 corresponding REWind under PRG function 2 Now press the Cycle Run button on the Manual Control Panel MCP and the program will be executed from the beginning Press REW softkey to restart a program ...

Страница 71: ...er Break point functions do this B P SAVE The first of the three break point functions is saving the break point when you stop the mill Sequence 1 Press Feedhold button to pause the machine 2 Press the F5 BP softkey to bring out the break operation functions keys The softkeys will changed to these 3 Press F1 SAVE BP to save the breakpoint to a file The system will give a default name for the break...

Страница 72: ...e and then resume again quickly when you return However If machine has been powered off after a B P SAVE operation you must recover the break point first the mill must be homed i e perform the Reference Point Approach procedure after turning the power back on Since the workpiece will still be in the chuck you should be careful on which axis you home first X Z and perhaps C to avoid a collision bet...

Страница 73: ...column is the date on which the break point file was last saved 4 Use the up down keys to select the desired break point file 5 Press Enter to confirm your selection 6 If there were absolutely no changes since the B P SAVE operation press Cycle Run button to continue the machining process Otherwise switch to the MDI mode to recover the breakpoint B P LOAD softkey Break point file Size in Kilobytes...

Страница 74: ...on 2 Switch to the MDI mode by press MDI function key below the alpha numerical keyboard 3 Press the F5 corresponding BAK BP BACK TO B P softkey 4 Press PRG in order to exit the MDI mode and go into PROG mode 5 Now press the Cycle Run button on the Manual Control Panel MCP The mill will go automatically to the break point position when it was saved before powering off 6 After the machine has stopp...

Страница 75: ...not collide with the workpiece or fixturing during this operation 2 Switch to the MDI mode by press MDI function key below the alpha numerical keyboard 3 Press F6 corresponding to ALIGN TOOL submenu and press Cycle Run button on the Manual Control Panel MCP the mill will align the tool automatically and update the tool data 4 Press the Cycle Run button on the Manual Control Panel MCP the mill will...

Страница 76: ...red manually through the keyboard The MDI mode is useful not only for break point recovery as was done above Sequence 1 From main function keys press MDI and the mill will enter MDI 2 The MDI screen show the previously executed G codes which set the functioning of the mill Also shown are values of different parameters such as feedrate spindle speed and axis position MDI Function key ...

Страница 77: ... manually input G code commands will set the mill for linear interpolation G01 set the X position from zero to 100 X100 and set the feedrate from 500 to 1000 F1000 Note that only one block of commands can be executed for each cycle run 4 Press Enter to confirm the commands 5 Press Cycle Run button to execute the commands MDI RUN command Input line ...

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Страница 79: ... and testing functions are also grouped as program functions under PRG function From function keys press PRG the program file management submenus are displayed Functions F1 OPEN open a program file existed in CF F2 EDIT Edit the current program file F3 TST Test a program before it actually make the cut F4 REW REWind a program to its start line F5 BP Breakpoint operation F6 DNC Direct Numerical Con...

Страница 80: ...alized by OPEN Sequence 1 From PRG s submenu menu press F1 which is corresponding to OPEN in the submenu And the program files browsing dialog is displayed as following 2 Use to select an existed file at the source directory Press Enter to open the file The contents of the program will be listed on the screen Press OPEN to browse the program files stored in CF ...

Страница 81: ... is different from the existed ones so the user need to create a new program file to store the new part program Sequence 1 From the PRG submenus press F2 corresponding to EDIT to enable the NEW submenu 2 Then Press F3 corresponding to NEW to create a new program file 3 Give the new file s name and type it in 4 Confirm the name by Enter and edit the new file Press EDIT to bring out he NEW function ...

Страница 82: ...5 PROGRAM OPERATION 68 6 Once finished editing just Press F4 and Enter to save it ...

Страница 83: ... existed file from the program list Sequence 1 From the PRG submenus press F1 corresponding to OPEN to browse the program file list And all the program files on the CF or the memory will be displayed on the screen 2 Use or to select the file you want to delete 3 Press Del key on the alpha numerical keyboard or a PS 2 keyboard connected with the NCU The file will be deleted Press OPEN to browse the...

Страница 84: ...m file or create a new one and then edit it Character Input The basic EDIT operation is to input the character to the memory through keyboard For HNC 18 19 s operators the alpha numerical keyboard at the front face of the NCU is usually used to input characters There are 45 keys on the alpha numerical keyboards Except the letters and numbers there are 12 keys used for locating the edit position de...

Страница 85: ...BS Delete a char that before the cursor while the cursor and the other chars which behind it left move a char position Page Up Roll the program upward while the cursor holding still Page Down Roll the program downward while the cursor holding still Left Left move the cursor on the screen Right Right move the cursor on the screen UP Up move the cursor on the screen Down Down move the cursor on the ...

Страница 86: ...d symbol The start symbol should be or O Following by a program number The end symbol should be M02 or M30 Characters after or between and are interpreted as comments All the comments are printed in green color Letters and symbols are printed in white color and numbers are in yellow ...

Страница 87: ...RS232 is usually used to upload the program to HNC 18 19 from a desktop computer Besides part program file PLC program parameter data and configuration data file are also uploaded to HNC 18 19 via RS232 cable The steps to upload a file from a desktop computer to HNC 18 19 are as following 1 Configuration 2 Set up the RS232 connection 3 Upload data file to the HNC 18 19 4 Download data file from th...

Страница 88: ...er and the NC system to ensure the communication between a computer and the NC system The sequence to check and set the parameters for RS232 at the NC system is as following 1 Enter into SETTING submenu 2 Press F3 DNC PARM to get into the configuration interface Press PAR to enter into PARAMETER submenu ...

Страница 89: ...HNC 18 19T Operator s Manual 75 3 Type in the port number and baudrate as the above figure illustrated And confirm by ENTER Type in port number here Type in baudrate value here ...

Страница 90: ...up the RS232 connection at the NC system s end you need to get into the PROGRAM submenu Here Press F3 which is corresponding to DNC to let the NC system be waiting for a connection message from the computer The following figure is the waiting interface Press F6 DNC ...

Страница 91: ...mple on how to upload a G code file to the NC system from a desktop computer 1 Let the NC system be waiting for RS232 connection as illustrated above 2 At the end of the desktop computer run the HCNC COM SOFT WINDNC EXE program provided by Wuhan Huazhong Numerical Control Ltd 3 Configure the RS232 to let its baudrate and port number same as the NC system Click the button a parameter dialog will po...

Страница 92: ...S232 78 4 Click the button an OPEN FILE dialog will pop up 5 Select the G code file you want to send and double click it The file will be uploaded to the NC system At the NC system s end the interface would looks like this ...

Страница 93: ...process is finished Words at the NC system would tell you how many bytes have been received and how many files have been accepted And it turns ready for next connection If there no more file to upload just press F3 to exit as it prompts This button turns gray The file s name displayed here Data bytes been sent out ...

Страница 94: ...ne the parameters to others In this case the user needs to down load parameters from the NC to a computer and the upload the files to other controllers Here are the steps on how to download a parameters file from the NC to the computer And the uploading parameters file to NC is identical with the operations for G code program file 1 Prepare the NC to let it be ready for connection 2 Click Download...

Страница 95: ...hoose the directory where the parameters are to be downloaded in 4 Double click the selected directory the transferring process will begin At the end of NC the interface will looks like this This number is data bytes sent out The parameter file s number being downloaded ...

Страница 96: ...d the interface at the NC will be ready for next connection And at the computer s side it will prompts that the receiving process has been finished and the file size will be printed out Here prompts that receiving is completed This number says how many data bytes received ...

Страница 97: ...ure numerical figure overall positions and G code Different positions or value such as command position actual feedback position distance to go track error and compensation value are available for choosing Also the tool s position can be expressed in either workpiece coordinates system W C S machine coordinates system M C S or relative coordinates system R C S Position and Coordinates Choice From ...

Страница 98: ...ble for choosing to be displayed in the center of LCD screen They are graphical figure numerical figure overall positions and G code Press F9 to switch among these four options The default view is numerical figure Default option is to display the position in large sized numerical letters ...

Страница 99: ...WCS Tool s position in workpiece coordinates RCS Tool s position in relative coordinates Left to go Left distance to go of the current block Sometime it is helpful to know which block is going on during testing or machining In this case the user can switch the displaying type to G code option Press F3 All to have an overall displaying of the X and Z positions ...

Страница 100: ...yed WCS Tool s position in workpiece coordinates Left to go Left distance to go of the current block M S T F The M code S code T code and the current feedrate Graphic figure presents a the toolpath in 2D graphic realtime Press F4 TEXT to display G code on the screen Press F5 GRAPH to display toolpath in realtime ...

Страница 101: ... right workpiece size There are three parameters to define the offset value of the workpiece display position X Offset value on x Y Offset value on y Z Offset value on z Note When you switch from the graphic to other display mode the current figure is not saved The previous shape can t be recovered when you switch back Press F6 GRAPH to set graphic parameters ...

Страница 102: ... because of some fault the system provide some tools to do diagnosis Diagnosis tools are available when DGN is pressed The first three submenus are commonly used for diagnosis Press DGN to enter into DIAGNOSIS submenu These three are usually used for DIAGONOSIS ...

Страница 103: ...nction to check what is wrong Press F3 MSG under the DIAGNOSIS submenu the cause of the alarm will be displayed on the screen The following is an example In the above figure there is a syntax error in the G code Alarm signal will be displayed Once F3 MSG is pressed under the DGN submenu the content of the alarm will be printed out on the LCD screen It prompts G Code Format is error Press F3 MSG to...

Страница 104: ...use of a bad wire connection The user can check the I O status registers status to make out what is wrong In this interface ON indicates the I O points is on OFF indicates the I O points is off For example in the above figure the status of Y0 1 and Y0 7 are ON Press F1 IO to check I O status X Input nodes Y Output nodes ...

Страница 105: ... to PLC R registers intermediate registers used in PLC program B power off protection data P Parameters The value of these registers are also useful to detect what is the fault s causes To watch one of the above registers just click the correspond letter of the register type For example if the user want to watch the value of G registers just hit G on the alpha numerical keyboard Press F2 REG to ch...

Страница 106: ...l the items of a kind of register For X and Y registers there are two kinds of digital forms to display the register value Binary and heximal For G F P and B registers heximal and decimal forms are available For R registers binary heximal and decimal are all available The forms can be switched from one to another with and ...

Страница 107: ...nged unauthorized Different parameters can be accessed With different passwords To access parameters the user need to press PAR function key to enter into the PARAMETER submenus The following figure is the interface to navigate or edit parameters Press PAR to access parameters submenu Parameter Index Description Parameter group Parameter value ...

Страница 108: ... The List column is the parameter s index in this group The parameter column is the value Below the four column s data is the description of the parameter in focus In the above figure Servo parameters for axis 0 are displayed The fourth 0004 paramter is on focus its meaning is described below as Speed loop integral time constants ...

Страница 109: ...1 parameters for Y servo not used for mill S PRMÆaxis 2 parameters for Z servo PMC user PRM parameters defined by user ACP PRMÆaxis 0 compensation parameters for X axis ACP PRMÆaxis 1 compensation parameters for Y axis not used for mill ACP PRMÆaxis 2 compensation parameters for Z axis The current selected is indicated at the upper right corner of the LCD screen and are used to browse different gr...

Страница 110: ...d If the password is wrong or the privilege is lower modification of the password is not allowed Once the password is accepted the user can edit a specified parameter While editing and can be used to move the cursor up and down to a certain parameter item Press F4 PASSWORD to input the password Area to type in the password ...

Страница 111: ...an use the BAK PRM function if he has given the right password Sequence a Press F1 BACK PARM to make a backup parameters file b Type into the backup file name c Press Enter to confirm the current parameters will be backed up in the named file Press F1 BACK PARM to backup parameters Area to type in the backup file s name ...

Страница 112: ...ges you can reload the previous working parameters Following is the steps on how to load a previous parameters file a Press F2 LOAD PRM to load a previous parameter backup file b Use or to select the backup file from the file list c Press Enter to confirm the parameters will be loaded Usually it will take effect after boot up again Press F2 LOAD PARM to load a backup parameters ...

Страница 113: ...h of an inch 1 unit of dimension is thousandth of a minimeter Power off protection 1 0 0 data protection in case of power off is disabled 1 data protection in case of power off is enabled Tool Comp Type 0 Abs 1 Rel 0 compensate the tool nose radius in absolute coordinates 1 compensate the tool nose radius relative to standard tool Pulse type 0 uni dir 1 bi dir 2 AB 0 pulse is uni direction 1 pulse...

Страница 114: ...9 PARAMETERS 100 Part number of the spindle encoder ...

Страница 115: ...ftware in M C S Reference approach mode 1 2 Method to approach the reference point of this axis 1 Move forward to find the encoder s zero position after touch the reference switch 2 Moving backward to find the encoder s zero position after touch the reference switch Reference approach direction Rapid traverse direction during reference point approaching positive direction Use this option if the to...

Страница 116: ...rate mm min Speed for rapid traverse G0 use this speed Maximum feedrate mm min Maximum feed rate for this axis Acc time constant for rapid traverse mm min Acceleration time to get a speed increase of 1000mm min during rapid traverse motion Jerk time constant for rapid traverse ms Jerk time to get an acceleration increase of 1000mm sec2 during rapid traverse motion Acc time constant for feeding Acc...

Страница 117: ...this value better rigidity the system can reach But if the value is too high the system may become unstable and vibration may occur The value ranges from 1 10000 The unit is 0 01sec 1 Default value is 3000 Position loop feedforward coefficient kf The value ranges from 0 65535 Default value is 0 Velocity loop proportion coefficient kp Ranges from 0 65535 Default value is 2000 3000 7000 is recommend...

Страница 118: ...9 PARAMETERS 104 Tracking error threshold Alarm will be displayed if the actual tracking supersede this value Pulse per revolution Pulse counter value the NC get per revolution of the motor ...

Страница 119: ...ensation type 1 Compensate the pitch error in one direction 2 Compensation the pitch error in two directions Compensation points number Range from 0 127 Can be extended to 5000 The maximum measure point is 128 if uni direction compensation type is used The maximum measure point is 64 if bi direction compensation type is used Index of reference point Index of the compensation point in the compensat...

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Wuhan Huazhong Numerical Control HNC-18M, Руководство оператора

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