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Fagor NC-200 PB OPERATION Operating Manual

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FAGOR NC-200 PB
NC FOR
PRESS BRAKES
OPERATING MANUAL
Manual version 0111

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Summary of Contents for Fagor NC-200 PB OPERATION

  • Page 1 FAGOR NC-200 PB NC FOR PRESS BRAKES OPERATING MANUAL Manual version 0111...

  • Page 2: Table Of Contents

    2.3.2 Generate the elasticity factor of a single angle by testing the bending depth ..................10 2.3.3 Generate the elasticity factor by trial and error and correct the angle ..12 2.3.4 Saving and recalling the material-type tables through the serial line RS-232 ................13 2.3.5 Restoring initial tables ................14...
  • Page 3 Program editing ..................20 4.1.1 Editing / Deleting an existing program .............20 4.1.2 Editing a new program ................22 Inserting / deleting blocks in a previously edited program ......27 Deleting all the programs ................27 Execution Modes with control from the foot switches and manual station.

  • Page 4: Diagram Of A Typical Press Brake

    DIAGRAM OF A TYPICAL PRESS BRAKE Operating Manual NVP-200 PB - page 0 -...

  • Page 5: Introduction

    - Sheet metal holding position. End of the bend. Very useful for up-stroke models. C. Control of the actual movement of the ram / table / apron and presetting of intermediate positions. NC-200 PB - Operating Manual - Page: 1...

  • Page 6: Unit Description

    UNIT DESCRIPTION This NC is especially designed to be used on press brakes. It allows displaying the position of the vertical and horizontal axes as well as executing part- programs and also moving the axes manually from this NC's keyboard or by external means.
  • Page 7 Each axis display has eight 14.1 mm high LEDs and another one for the minus sign (-). INCH- Inch mode selection. To access it or quit it, press inch Machine reference search mode which is accessed by selecting the SET mode.

  • Page 8: Coordinate Display. Auxiliary Modes

    This NC runs a self-test and its LCD screen shows the text: Fagor NC-200 PB, the 1st and 2nd displays show "Fagor NC". Press if there is an error, the displays will show the error number if otherwise. See the appendix at the end of this manual.

  • Page 9: Display Modes

    - If the unit is powered down with its rear panel switch or there is a power outage without previously having pressed , the NC will keep the last position of the axes for at least 30 minutes.

  • Page 10: Selection Of Tools And Types Of Material To Bend

    0.012. SELECTION OF T OOLS AND TYPES OF MATERIAL TO BEND In the initial mode, it is possible to set a particular punch-die set and also the bending pressure as well as the characteristics of a particular material. This data will only be assumed when machining in MANUAL mode. Section 3.1.

  • Page 11: Type Of Material

    It will only require a slight correction. If the A aperture of the die is larger than the one used in the tries, the resulting angle will be slightly greater.
  • Page 12 By default, this unit has some initial tables stored in nonvolatile memory and cannot be modified. This table may be used as a sample for typical materials and there is a modifiable copy of this table under factor numbers M0 to M19.

  • Page 13: Generate The Whole Elasticity Factor Table Fora New Unknown Material

    Once executed and when the ram or the base reaches the withdrawal position, go to the new page that requests an angle. Enter the real angle obtained and press The reading and entering of data may be automatic when using the FAGOR electronic angle measuring device connected directly to this NC.

  • Page 14: Generate The Elasticity Factor Of A Single Angle By Testing The Bending Depth

    This NC does not offer resources to display the data saved in the tables. It is recommended to write down the values of the " " angle and "Y" depth related to each type of material and the die number used in the trials.
  • Page 15 · Using the resources of the continuous or incremental MANUAL mode, fine tune the Y coordinate and repeat the trial. · Select position 5 of the MANUAL selector switch to disable the Y axis and the "DIS" led will turn on.

  • Page 16: Generate The Elasticity Factor By Trial And Error And Correct The Angle

    The characteristics of the material must be close to the selected elasticity factor. The result is an angle close to the suggested one. It must only differ in ±5º for the correction to be accurate. Page: 12 - Operating Manual - NC-200 PB...

  • Page 17: Saving And Recalling The Material-Type Tables Through The Serial Line Rs-232

    The material type number is an empirical value (obtained through a custom algorithm) that cannot be interpreted. It is recommended to save the initial tables offered by this NC and use them as references for certain very specific materials. Each press brake operator may create his/her own tables and save them using a PC with a communications software like HYPERTERMINAL (available in Windows version) or "Procom"...

  • Page 18: Restoring Initial Tables

    This mode also sets the slow Y axis speed below the speed change position (PAR33). If any of the axes reaches the software limits set by PAR12 and PAR13 or the travel limit switches are activated, this unit issues an error message; but it allows moving the axes in the opposite direction to return to the work area.

  • Page 19: Manual Movement From The Nc Keyboard

    Y axis has been enabled and it is moved by external means. If PAR17 has been set to "1" or "2", when moving the axes in continuous or incremental jog mode, in back and forth movements, this unit assumes the unidirectional approach.

  • Page 20: Manual Movement To A Particular "X" Position, "Y" Depth Or "A" Angle

    When disabling the "Y" axis by setting the jog switch in the corresponding position (position 5 in the drawing below), the "DIS" led will turn on and the "Y" axis will be free to be moved by external means. The NC will display the axis position and will watch for its travel limits.

  • Page 21: Machine Reference (Home) Search

    Press to force the automatic search. b. If the axis does not use home switches, usually on Y, it will indicate a value that corresponds with the value of PAR10. Actuate on the "BEND" foot switch until the ram reaches its final position.

  • Page 22: Sequence For Axes Without Mandatory Home Search

    Press b. If any axis does not have a home switch, usually the Y, this unit requests the password 719200 to access the mode and assumes that the values set by the OEM are to be modified. This is only recommended in case of a breakdown or when updating this unit's software version.

  • Page 23: Tool Table Loading

    TOOL TABLE LOADING With this NC, it is possible to load the data of up to 10 sets of punches and dies. This data refers to the height of the punch (from 0.000 mm and 9999.999 mm), to the height of the die, width of the die, "V" (from 0.000 mm to 9999.999 mm), die angle that limits the bending depth and its edge radius (from...

  • Page 24: Programming

    The program memory may be locked setting installation parameter PAR51(1)=1 This way, the program blocks cannot be edited or deleted. In the initial teach-in stage, it is recommended to work with the simple resources only as a positioning dro without attributes and with a material factor M0 which only compensate for the rounding radius R = sheet metal thickness.
  • Page 25 The sequence ends with a blinking of the "#" symbol at the upper right hand of the screen and it is confirmed with two beeps. - To learn how to insert a new block, see section 4.2...

  • Page 26: Editing A New Program

    (it is not possible to go back to the previous block). After validating a block, it is not possible to go back to it in order to change a value in it. To do this, finish editing the whole program and then proceed as described in section 4.1.1.
  • Page 27 , this unit analyzes the material type table and calculates the bending depth based on the thickness of the sheet metal and the opening and radius of the die and it stores this value on the Y axis (always negative).
  • Page 28 3- When selecting position 5 of the MANUAL selector switch, the Y axis is disabled and the "DIS" led turns on. Some manufacturers offer the possibility to move the "Y" axis by external means (not using this NC). This is very common on "A" type up-stroke presses having handwheels.
  • Page 29 [angle] If at the end of the trial, there are data changed out of the range for the "Y" depth value , the selected table should be erased to restore the initial values. See section 2.3.5.
  • Page 30 It is assigned to the last attribute from the one it was requested (and shown on the 1st display "t=2" or "d=4"). If one of the two attributes is active, but it is not shown on the 1st display, it assumes the value set by the relevant parameter PAR30 or PAR29.

  • Page 31: Inserting / Deleting Blocks In A Previously Edited Program

    The attributes are assumed at the beginning of each block before executing the movements of the axes. The "t" attribute is only active if it corresponds with an approach movement of the X axis. In EXECUTION mode, they appear on the screen with the letters: T, H, B, D blinking if they are affecting the bending operation.

  • Page 32: Execution Modes With Control From The Foot Switches And Manual Station. Models A1, B, C

    "D" attribute. 5. Return to the top dead point. In the RUN 1 and RUN 2 modes, the return is automatic once the delay time has elapsed. At the "C" model with safety pressure gage the bending process is aborted when exceeding the limit value and it returns to the top dead point thus preventing tool damage.
  • Page 33 The return is not affected by the status of the foot switch. It is automatic when the bending time has elapsed. d. To go on to the next block, release the pedal if it was kept pressed until the top dead point is reached.

  • Page 34: Program Execution

    Releasing the foot switch interrupts the sequence even in the final return movement to the top dead point. d. To go on to the next block, release the foot switch after the top dead point is reached. 5.1 PROGRAM EXECUTION...
  • Page 35 The axes position at the coordinate set in the 2nd block repeating the successive bends until the 1st part is completed. At the end of the last bend, the axes position at the coordinate set in the 1st block without having to press .

  • Page 36: Execution In Semiautomatic Mode

    OPERATION WITH THE RS-232-C SERIAL LINE SAVING AND RESTORING DATA With this NC, it is possible to save data into a PC or peripheral device and later restore it by using the RS-232-C serial communications line. This data is sent out in the following format: Baudrate as set by PAR90, 8 data bits, 1 stop bit and no parity.

  • Page 37: Parameter Transmitting Format

    Top dead point (up) 6.4 TRANSMISSION OF MATERIAL-TYPE TABLES In <Send> mode, this NC can send the full table stored in it out to a PC. In <Receive> mode, this NC can receive one or several materials M00 through M19 from a PC.

  • Page 38: Appendix

    Error 02 The unit has been turned off without previously pushing the [ON/OFF] key. It will only lose the position count (will be reset to zero) and the status of the operating modes (inch, abs, etc.). Error 04...

  • Page 39: Maintenance

    (benzol, acetones, etc.) which could damage the materials the equipment is made with. Do not use high pressure compressed air to clean the item as this could give rise to an accumulation of charges which in turn lead to electrostatic discharges.

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