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Segatrici

S.r.l

Instruction Manual

Pag.29

Edition A

15.2. P

ROBLEMS

Problems

Reasons

How to solve the problem

Twisted cut

Feed rate
Blade is not perpendicular
Blade not tensioned

Reduce the feed rate
Register the blade
Tension the blade

The blade looses the sharpness
quickly
The blade vibrates

Cutting speed
Wrong teeth
The blade slides on the material
Feed rate

Reduce the speed
Use a blade with the right teeth
Increase the feed rate
Increase the band tension

Blade teeth break

Feed rate
Wrong teeth
Cutting speed
The cut begins on an irregular or thin section
Material unclamped

Reduce the feed rate
Use a blade with the right teeth
Reduce the speed
Turn the material on the machine
Clamp the material

Blade breaks

The guides don’t work properly
Blade tension
Blade in tension even when work is over
Wrong weldment
Blade installed incorrectly

Check the guides and their carbide inserts
tension the blade properly
Remove tension when not working
Return the blade to the supplier
Check the blade

Stripes on a side of the blade

Only one guide guides the blade

Regulate the guides

Blade stalls

Feed rate

Reduce the feed rate

The motors are off

Problems with the electric source
Wrong circuit breakers
Short circuit

Look for the problem and solve it

15.4. B

LADE REPLACEMENT

1.

 

Turn the electric power off, and unplug the source.

2.

 

Wear the protection gloves.

3.

 

Turn the band tension valve handle so to remove tension to the blade.

4.

 

Open both the band wheel doors.

5.

 

If stalling in a bar, remove the blade slowly.

6.

 

It is suggested to cover the blade using the plastic teeth strip was originally on the blade.

7.

 

Take the old blade in a place where no one can be injured.

8.

 

Clean using compressed air the wheel tracks and the band guides.

9.

 

Put the new blade on the wheel paying attention to the teeth orientation.

10.

 

Make sure the blade sits completely on the wheel track.

11.

 

Tension the blade little by little, and check that it sits correctly on the track.

Summary of Contents for C-520NC

Page 1: ...Segatrici S r l Instruction Manual Pag 1 Edition A SegatriciS r l INSTRUCTIONMANUAL BandSawMachine type C 520NC Customer DoALLEuropaBV March1998...

Page 2: ...chineprotections 8 Howtomovethemachine 9 Howtoinstallthemachine 10 Whattodotopreparethemachinetooperate 11 Safetydevices 12 Machineuse calibrationetune up 13Howtodismantlethemachine 14 Howtoservicethe...

Page 3: ...3 Bealwayscautious usingthemachine because even if itis protected in everydangerousspot it can be a dan gerous equipment andthusithastobeusebeingparticularlycareful andaware 4 Giveimmediatelynoticetoy...

Page 4: ...sorcombinedtoinstructtheoperatortousethemachine 1 2 REGULATIONSTOREFER ThismanualwaswrittentocomplytotheEuropeanMachineDirective UNI EN89 392andfollowingmodifications and basedon UNI EN292 1e292 2conc...

Page 5: ...erage A 28 Maximumpower kW 12 5 Approximateweight Kg 3500 TAB2 2 TechnicalCharacteristics Machine Description C 520NC Roundcuttingcapacity mm 520 Squarecuttingcapacity mm 520x520 Indexstroke mm 500 Ba...

Page 6: ...lowsthemachinetocutslightlyirregularbars 2 2 BLADESPEED ThebladespeediscontrolledbyanACmotorandavariablefrequencydrive whichallowtoregulatethebladespeedwithin arangeof 0 100m 1 Inthiswaythemachinecan...

Page 7: ...No No Yes Theelectricalschematicisincludedinthismanualandcannotbesuppliedseparately 3 2 WHERETOKEEPTHISMANUAL Thismanual thatisprovidedalongthemachineinonecopy shouldbekeptwherethemachineislocated ina...

Page 8: ...nership soto allowthemanufacturertoinformthenewuseronthedangersandlimitsofliability 3 7 SUGGESTIONS Thecustomershouldnotify themanufacturerifimprovementsarenecessaryandwheretheyaretoincreaseaneasyunde...

Page 9: ...machine or its structureseasytobeidentified ifelectrical pneumaticormechanical safetyfeatureswerepartiallyorcompletelyremoved maintenancewhilethemachineisworking whenpartsofthemachinearetensionedusing...

Page 10: ...annotbeusedbypeoplewithhandicapsordisables 5 3 REGULATION Designingandbuildingthismachinewerespectedthefollowinglawsandrules UNIrules CEIrules andmoreindetail concerningthesafetyfeatures typeAandBrule...

Page 11: ...appropriate use of the ma chine 5 7 WORK AREA Thismachinehastoworkinindustrialenvironment Itisdesigntomakemechanicalmachining underhumancontrol but theoperatorpresenceisnotrequiredcontinuously Itisrec...

Page 12: ...hemanualmode Allthecommandsareswitchedtothecontrolpanelpush buttonand switches 5 9 1 1 Stop Thesawstopswhenthecuttingcycleisover 5 9 1 2 Emergencystop Theemergencystopstops themachineremovingtensionfr...

Page 13: ...ispaintedwith twolayersofpaint the firstofwhichpreventcorrosion Itismachinedtobeassembledwithothermachinecomponents 6 1 2 Chipconveyor Itisstandardonautomaticmachinesandoptionalonsemi automaticmachine...

Page 14: ...callymachinedandpaintedwithanti corrosionagentsandwithnitropaint Thebladeiscompletelyprotectedwhereitdoesnotwork Coveringthewheels therearetwodoorsthatcanbeopenedto changetheblade Twosafetyswitchesare...

Page 15: ...heinserts protectthepartofthebladethatisnotcutting Leftguidearm Moveshorizontallyonguidesmachinedonthebridge anditismovedbythemovementofthevise Rightguidearm Fixedonthecuttingbridge Itsupportsthecutti...

Page 16: ...aplugwhichallowstorefillthereservoir Thehydraulicsystemhas2filters a 250micron45literssuctionfilter a 60micron45litersoutflowfilter Thesetwofiltershavetoberemovedwhenchangingthe oil for the first time...

Page 17: ...orwearsthenecessarysafetyequipment Theliftingequipmentmustbeenoughbigtoliftthemachine Alwaysuseonlyoneliftingequipmenttoliftthemachine nevercombinemorethenone Donotusealiftforkifthelengthandwidthofthe...

Page 18: ...heckifthedisconnectswitchisinsulated checkifthecontrolpanelisinsulated checkifthefusesandcircuitbreakersareoperative checkthe3phaseelectricsource ifthemachinedoesnotworkproperly donottrytofix it butim...

Page 19: ...nals See12 1 2 11 1 5 Led indicatorsandsignalstoavoiddangersituations Notnecessary 11 1 6 Protectiondevices Thebladeisprotected whereuncovered bytwoguidesthatreducetherisk butthatcannotcompletelycover...

Page 20: ...nstrumentshowsthe presentspeedoftheblade 12 1 3 Feedingthesaw Alwaysrespectthesafetyrulesfeedingthematerial Keepthematerialguideduntilitisnotcompletelyclampedbythevises 12 1 4 Manualcontrols Thesawall...

Page 21: ...Ifitisnotintothememory oryouwanttoreplace correctit continuetoinsertthedataasfollow 3 ThehandcursorisnowpointingtoNext001 4 Ifthemachineusesmultiplebars whenthereisaconveyingsystem typeinthisspacethe...

Page 22: ...ifferentlengthshavebeeninserted gotothefollowingline inthisexampleline5 type0 zero andenteritpressingE Allthevaluesbe lowwillturntozero 10 PresstheBRKbutton andthecursorwillgobacktoPROG 11 IftheNEXTva...

Page 23: ...npressEandthenSTART i e 100 E START Toexitthesemi automaticandgoingbacktotheeditscreenjustpressBRK Followingthereisanexampleofasemi automaticcut Openboththerearandtheindexvises Raisetheworkstopandmove...

Page 24: ...thefirstlineofprogram whenatthelastpieceofthefirstline theindexwillmovetothelengthsetinthesecondprogramline whenthemachinehastocutthelastpartofthelastline theindexwillmovetozero 12 2 CALIBRATION Nocal...

Page 25: ...UIPMENT GLOVES GLASSESANDBOOTS Themanufacturercannotbejudgedliableforinjuriesordamagesduetounattendedsafetyrulesbythe user 14 1 BASE 14 1 1 Base ExhibitA02 Basedwg 01 001 0 Pos Tool Visewearstatus 06...

Page 26: ...ithgasoline Check andifnecessaryreplace theguidingballbearingsandtheguide arminserts 05 023 05 026 029 Checkandrotatethecarbidebacker 17 003 14 2 7Bandbrushassembly Bandbrushassemblydwg 20 Pos Tool Ch...

Page 27: ...2 10Rapidapproach Checkthattherapidapproachlimitswitchisinworkingproperly 14 3COOLANTSYSTEM Checkthereservoirleveland ifnecessary addoiltypeOSO46 14 4HYDRAULICPOWERUNIT Keepthepressureto55bar 14 5ELE...

Page 28: ...Checkthelevelevery2000hours Replaceafter4000hours Index DLoadingplug AGIPEXIDIA68 Controlweekly EPrecisionballscrew AGIPEXIDIA68 Controlweekly FLubrication AGIPGRMU2 Controlweekly Columns GLoadingplu...

Page 29: ...orrectly Checktheguidesandtheircarbideinserts tensionthebladeproperly Removetensionwhennotworking Returnthebladetothesupplier Checktheblade Stripesonasideoftheblade Onlyoneguideguidestheblade Regulate...

Page 30: ...hine The internal maintenance personnel should be able to read and understand an electrical and hydraulic schematic and workonthemachinefollowingtheinstructionscontainedintheschematics 18 MACHINEDISMA...

Page 31: ...tening spacer 3 024 Encoder 3 025 Nut 3 026 Hydraulic motor 3 027 Conical pinion 3 028 Conical pinion 3 029 Support 3 030 Gasket 3 031 Coupling 3 032 Chip conveyor screw 3 033 Roller table 3 034 Rolle...

Page 32: ...021 Roller pin 6 022 Roller spacer 6 023 Ball bearing 6 024 Spacer 6 025 Roller 6 026 Washer 7 001 Inboard left vise 7 002 Inboard right vise 7 003 Index right vise 7 004 Index left vise 7 005 Inboard...

Page 33: ...auge 9 013 Gasket 9 014 Gasket 9 015 Gasket 9 016 Gasket 9 017 Copper gasket 9 019 Nipples 9 020 Nipples 9 021 Nipples 9 022 Fitting 9 023 Fitting 9 024 Reduction 9 025 Fitting 9 026 Fitting 9 027 Fit...

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