Motom Vaja Brusilni Stroj nakup rabljenega (31.898)

Stanje: rabljeno, Leto izdelave: 1981, Funkcionalnost: popolnoma funkcionalen, skupna masa: 4.800 kg, skupna višina: 1.800 mm, skupna širina: 3.500 mm, skupna dolžina: 3.200 mm, Stroj za brušenje NILES ZSTZ 315/630 C2 Maks. premer brusilnega krožnika: 315 mm Maks. modul: 10 Min. modul: 1,5 Maks. širina zobnika: 160 mm Maks. teža obdelovanca: 200 kg Moč motorja: 8 kW Itodpfx Asz Tc Akoh Ujn Dimenzije stroja: 3,2 x 3,5 x 1,8 m Teža stroja: 4,8 t

Stanje: novo, Leto izdelave: 2026, obratovalne ure: 1 h, Funkcionalnost: popolnoma funkcionalen, BERGER drill sharpening machines: precise – fast – easy – economical Increase your productivity with BERGER’s ergonomic, easy-to-use, precision drill grinders. Among other benefits, these machines offer: · Significantly extended tool life for your drills by ensuring even distribution of cutting forces across both cutting edges · Substantial reduction of feed forces thanks to accurate, symmetrical point thinning · Improved diameter accuracy – our precision grinding ensures holes match the drill’s nominal diameter exactly · Enhanced positional accuracy – with precisely thinned and sharpened points, the drill tip doesn’t walk on initial contact and starts cutting cleanly and immediately · Re-sharpen, thin and inspect in a single clamping setup Ijdpfobrptvjx Ah Uotn Substantially reduce your need for new drill bits: regrind your existing drills in-house up to 40 times or more! This not only saves you money and protects the environment, but also spares your staff unnecessary frustration. Stay ahead – stay with BERGER technology. Our EPG-1 model has been copied many times in the past 18 years, but the quality has never been matched… With the EPG1 / #easy-point-grinder #Sharpen your drills for your materials and operating conditions! For drill bits (HSS and carbide) diameter ø 7–20 mm (optional ø 3–8 mm and ø 20–30 mm) with point angle from 90°–140° Technical Data EPG1 Continuously adjustable point angle: 90°–140° Collet set for drill diameters: 7–20 mm Optional collet set for diameters: 3–8 mm Optional collet set for diameters: 20–30 mm #Point thinning device, thinning depth infinitely adjustable CBN grinding wheel (for HSS drills), diameter 118 mm Optional diamond grinding wheel (for carbide drills), diameter 118 mm Single-phase AC industrial motor, 250 watts Spindle speed: 2900 rpm Power supply: 230 V, 50 Hz Dimensions (L x W x H): approx. 30 x 40 x 20 cm Weight: approx. 22 kg Sharpen your drills precisely, quickly, easily, and cost-effectively – tailored to your material and application requirements!

Stanje: novo, Drill Bit Grinding Machine Iedpfxsguadno Ah Uotn Make: MOTOM Model: BSM 13 DUO Grinding Range: 2–13 mm Paint Finish: Grey Application Areas: - Taper shank grinding - Point thinning - Relieving Scope of Delivery: - CBN grinding wheel for HSS tools - Collet set 2–13 mm in 1.0 mm increments - Plexiglass safety shield

Stanje: novo, Drill Bit Grinding Machine Manufacturer: MOTOM Model: BSM 13 Grinding range: 2–13 mm Itsdpj Sgi Rjfx Ah Uen Includes CBN 200 grinding wheel for HSS tools Includes collet set from 2–13 mm in 1.0 mm increments

Stanje: novo, Drill Bit Grinding Machine Manufacturer: MOTOM Model: BSM 22 Ijdpfxsb Ecp Aj Ah Ustn Grinding range: 8–22 mm (up to 25 mm possible with options) Including CBN 200 grinding wheel for HSS tools Including collet set from 8–22 mm in 1.0 mm increments

Stanje: skoraj kot novo (rabljeno), Leto izdelave: 2021, Funkcionalnost: popolnoma funkcionalen, VALJ VALJ Z TAMPONOM ŠČETKA ZA ČIŠČENJE OBDELOVANCEV Itedpfxoz Nwtcs Ah Uon

Stanje: pripravljen za uporabo (rabljen), Leto izdelave: 2024, Funkcionalnost: popolnoma funkcionalen, širina brušenja: 1.350 mm, skupna masa: 2.500 kg, višina brušenja: 200 mm, The machine is equipped with the following processing units (for further details see attached document): 1. Contact roller unit (250 mm diameter / cutting speed 18 m/sec / sanding belt 1370 x 2620 mm) - Sanding roller in grooved steel design 2. Contact roller unit (250 mm diameter / cutting speed 18 m/sec / sanding belt 1370 x 2620 mm) - Sanding roller in grooved steel design 3. Contact roller unit (250 mm diameter / cutting speed 18 m/sec / sanding belt 1370 x 2620 mm) - Sanding roller with 85 Shore hardness TECHNICAL DETAILS Sanding height: 3 - 200 mm Sanding width: 1,350 mm Sanding belt dimensions: 1,370 mm x 2,620 mm Feed speed: 2.8 - 20 m/min MACHINE DETAILS Extraction connection: 3 x 200 mm Motor power: 18.5 kW (25.0 HP) Motor voltage: 50/60 Hz Electrics: 3x400V 50Hz CE version Vacuum table with blower: 4 kW (5.5 HP) Reversible feed direction: 3 Weight: 2,500 kg Iodsz Hxnbepfx Ah Ujtn EQUIPMENT - Feed table with electric height adjustment - 3 motors: 18.5 kW (25 HP) each, with SD start sanding belt brake - Touchscreen control with color display - Additional extraction connection Note: The machine is supplied without a power cable. The electrical connection must be provided by the customer.

Stanje: novo, Leto izdelave: 2026, obratovalne ure: 1 h, Funkcionalnost: popolnoma funkcionalen, ATTENTION: Itedpfjbrpr Uex Ah Uen As of January 2019, the MEGA

Stanje: rabljeno, PRIMO - 1100 - E Švicarski kakovosten izdelek KONSTANTNA KALIBRIRNA STROJ / avtomatsko nastavljanje glave Avtomat za fino obdelavo z večpasovnim kalibriranjem Kombinirana enota s kontaktno valjčno in brusilno blazinasto enoto, z elektronsko nadzorovanim segmentnim brusilnim podstavkom Moč motorja za pogon traku: 9 kW Nastavitev nivoja kontaktnega valja je brezstopenjska, glede na lestvico zrnatosti Vhodna miza z nosilci za valje Delovna širina: 1100 mm Ijdpfxoz Sn Sns Ah Uotn Hitrost podajanja: 3 - 15 m/min, brezstopenjsko nastavljiva Avtomatska nastavitev debeline obdelovanca ENORMATIC: hitra nastavitev Stroj je PO GENERALNEM PREGLEDU v ODLIČNEM STANJU / iz obrtne delavnice Na zalogi v Liebochu

Stanje: rabljeno, Drill diameter: 1.5 - 25 mm Point angle: 40 - 180° Iodped Ih Sgefx Ah Ustn 6-jaw chuck Various accessories Operating manual available Enclosed drive motor: closed design, air-cooled, suitable for both AC and DC Drills with cylindrical or taper shank Left- and right-cutting drills 6-jaw chuck Provision for compressed air cooling Various accessories (see photos)

Leto izdelave: 2016, stanje: novo, Technical data: Model SA-2500 Continuously adjustable point angle: 90°-144° Collet set for drill diameters: 13-26 mm Collet type: ER 40 CBN grinding wheel (for HSS drills): Ø 90 mm Iodporfb Tofx Ah Uetn Optional diamond grinding wheel (for carbide drills): Ø 90 mm Motor: 180 Watt Spindle speed: 5300 rpm Electrical connection: 230 Volt 50 Hz Weight: 26 kg Documentation: comprehensive operating manual and machine documentation available in German Remarks: The SA-2500 drill bit grinding machine is designed for grinding (sharpening) and pointing of 2-flute drills made of HSS or carbide* in the diameter range from 13 mm to 26 mm. *Carbide drills only with optional diamond grinding wheel. Spare parts and replacement grinding wheels available from stock.

Stanje: rabljeno, Kündig Brilliant 1 1100 Cd – lakirna kabina Kakovosten izdelek iz Švice KONSTANTNA BRUSILNA MIZA / avtomatska nastavitev glave Širokopasovni kalibracijski avtomat za fino obdelavo Kombinirana enota: kontaktni valj in brusilna plošča z elektronsko upravljanim segmentnim brusilnim podplatom, diagonalen / celotna brusilna enota, nastavljiva za 10° Višina kontaktnega valja je brezstopenjsko nastavljiva glede na lestvico zrnatosti Priklop na električno omrežje: pribl. 14 kW Delovna širina: 1100 mm Komplet za brušenje laka: Itjdpfez R S Hhex Ah Uon oscilirajoče brušenje z valjem brezstopenjsko nastavljiva hitrost brusilnega traku hitrost podajanja: 3 – 15 m/min, brezstopenjsko nastavljiva stabilna vakuumska miza z lakirnim preprogo, ventilator je vgrajen v podstavek stroja nastavitev debeline po celotni delovni širini ENORMATIC – hitra nastavitev z aktivacijo podajanja (za dolge obdelovance) Upravljanje na dotiknem zaslonu za avtomatizacijo in upravljanje vseh programov dodatni, stabilni vstopni in izstopni mizi, zložljivi Prva dobava: 2014 / iz skladišča lizinga Stroj je v ODLIČNEM STANJU na voljo v skladišču Lieboch

Stanje: novo, Leto izdelave: 2016, Technical data: Model SA-1300 Itjdpfxorfb So Ah Uen Continuously adjustable point angle for Ø 2–6 mm: 118° to 135° Continuously adjustable point angle for Ø 6–13 mm: 90° to 144° Collet set for drill diameters: 3 to 13 mm Collet type: ER 20 CBN grinding wheel (for HSS drills): Ø 78 mm Optional diamond grinding wheel (for carbide drills): Ø 78 mm Motor: 120 Watt Spindle speed: 5,300 rpm Electrical connection: 220 Volt / 50 Hz Weight: 10 kg Documentation: Comprehensive operating manual and machine documentation in German Remarks: The SA-1300 drill grinder is designed for grinding (sharpening) and point thinning of 2-fluted drills made from HSS or carbide* in the diameter range from 3 mm to 13 mm. *Carbide drills only with optional diamond grinding wheel. Spare parts and replacement grinding wheels are available from stock.

Stanje: zelo dobro (rabljeno), Working width: 1360 mm Isdpoych Igsfx Ah Ujtn Workpiece thickness: 3 – 160 mm Abrasive belt dimensions: 1,360 x 1,900 mm Variable feed speed: 7 - 14 m/min Feed motor power: 1.1 kW, 400 V, 50 Hz Extraction port diameter: 2 x 160 mm Compressed air supply: 6 bar Dimensions (L x W x H): 2160 x 2260 x 2025 mm Weight: approx. 2200 kg 1st unit: Steel contact roller Motor power: 15 kW, 400 V, 50 Hz 2nd unit: Sanding pad, rigid for fine sanding of solid wood & pneumatically timed sanding pad for veneer 3rd unit: Cleaning brush Abrasive belt oscillation with limit switch Conveyor belt oscillation, pneumatic Motorised thickness adjustment with LED display Units with emergency brake system Emergency stop button at infeed Roller table extension at infeed Complete documentation Note on used machines: • Technical details and prior sale subject to change. • Prices quoted ex site – loaded free of charge! • The machine has been cleaned and tested for functionality. • All machines are sold as seen, without any warranty or guarantee. Buyers are welcome to inspect the machines at the location. • Special agreements are only valid in written form. (We only respond to enquiries with your address and telephone number!)

Stanje: zelo dobro (rabljeno), Leto izdelave: 2008, Working width: 1,100 mm Workpiece thickness: 3 – 160 mm Abrasive belt dimensions: 1,120 x 1,900 mm Variable feed speed: 2.6 – 13 m/min Feed motor power: 1.10 kW, 400 V, 50 Hz Extraction port diameter: 2 x 160 mm Compressed air supply: 6 bar Dimensions (L x W x H): 1,705 x 1,545 x 1,905 mm 1st Unit: Steel contact roller, Ø 160 mm Motor power: 15 kW, 400 V, 50 Hz 2nd Unit: Combination unit, rubber-coated contact roller (Sh 65), fixed sanding pad Motor power: 11 kW, 400 V, 50 Hz Abrasive belt cleaning by compressed air 3rd Unit: Cleaning brush Ijdpfx Ahsychqzo Ustn Multifunction display Multifunction lever (conveyor belt, workpiece thickness adjustment) Electronic abrasive belt oscillation Pneumatic oscillation of conveyor belt Motorised workpiece thickness adjustment with LED display in 0.1 mm steps Units with emergency brake device Emergency stop button at infeed & outfeed Motor protection switch Roller table extension at infeed with 2 idler rollers Automatic star-delta starting Complete documentation Note for used machines: • Technical data subject to change and prior sale. • Prices quoted are ex-works and refer to collection only – loaded free of charge! • The machines have been cleaned and function tested. • All machines are sold as seen, without any warranty whatsoever. The buyer is welcome to inspect the machines at the location. • Special agreements are only valid in written form. (Enquiries will only be answered if you provide your address and telephone number!)

Stanje: dober (rabljeno), Leto izdelave: 1992, Single-piece sanding machine Sanding from above & below Electric height adjustment with digital display Infinitely variable feed speed Star/delta start Pneumatic belt tensioning Main switch Sanding belt oscillation Finish brushing unit above and below, manual height adjustment Working width: 190 mm Working height: 4 - 150 mm Min. workpiece length: approx. 280 mm Abrasive belt dimensions (L x W): 1850 x 200 mm Feed speed: 5 - 25 m/min Installed power: approx. 14 kW Extraction port diameter: 2 x 180 mm Dimensions (L x W x H): 2000 x 1000 x 2050 mm Weight: approx. 1800 kg Including infeed and outfeed roller conveyor, L = 1600 mm, non-driven Iedjwyda Uspfx Ah Uetn Note on used machines: • Subject to technical changes and prior sale. • Stated prices are ex-works – free loading at location! • The machines have been cleaned and function tested. • All machines are sold as seen, with no warranty whatsoever. Buyers are welcome to inspect the machines on site. • Special agreements are only valid if made in writing. (Inquiries will only be answered with your address and telephone number!)

Stanje: zelo dobro (rabljeno), Leto izdelave: 1992, Wide Belt Sander VIET Target 211 A Calibration and fine sanding machine with 2 sanding units and a single motor, top sanding configuration Working width: 1100 mm Sanding belt dimensions: 2200 x 1130 mm Workpiece dimensions: 4 - 160 mm Motor for table height adjustment: 0.18 kW, 400 V, 50 Hz Main motor: 8.0 kW, 400 V, 50 Hz 2 feed speeds 1st Unit: Sanding roller, rubber-coated, 90 Sh Itsdpfx Asy Exhwsh Ujn 2nd Unit: Sanding pad, rigid & air-cushion sanding pad, time-controlled Compressed air requirement: approx. 6 bar Extraction port diameter: 2 x 150 mm Dimensions (approx.) L x W x H = 1700 x 1750 x 1800 mm Weight (approx.): 1400 kg Automatic workpiece thickness setting with digital display Workpiece thickness adjustment via foot pedal Automatic conveyor belt centering Sanding belt oscillation Sanding belt (emergency) stop with disc brakes Table extension with 2 rollers on infeed and outfeed sides Emergency stop Main switch CE compliant INCLUDES many sanding belts INCLUDES 2 pcs. re-covered graphite sanding shoe inserts NEW bearings for deflection rollers NEW V-belts for the drive motor Note on used machines: • Technical information and prior sale subject to change. • Listed prices are ex-works – loaded free of charge! • The machines have been cleaned and function-tested. • All machines are sold as inspected, without any warranty claims. Buyers are welcome to inspect the machines on site. • Special agreements are only valid in written form. (Inquiries will only be answered if you provide your address and phone number!)

Stanje: zelo dobro (rabljeno), Heavy-duty double-sided edge sanding machine, oscillating Motor power approx. 3.0 kW Oscillation with separate motor approx. 0.2 kW Sanding belt dimensions: 3000 mm x 200 mm Front sanding table: 980 x 340 mm Rear sanding table: 750 x 300 mm Ijdpfeuxqzusx Ah Uetn Space requirement (L x W x H) approx.: 1800 x 1500 x 1000 mm Weight approx. 600 kg Front sanding table with veneer edge sanding device Rear sanding table infinitely adjustable in angle Angle stop on the rear worktable Oscillation via geared motor Pneumatically height-adjustable sanding beam Interchangeable radius sanding discs Pneumatic, adjustable belt tensioning Extraction with blower Possible attachment of feed device 2 side support tables for radius sanding Note on used machines: • Errors in technical details and prior sale excepted. • Quoted prices are ex works—free loading at location! • Machine has been cleaned and function tested. • All machines are sold as inspected, without any claim to warranty. Buyers are welcome to inspect machines on site. • Special agreements are only valid in written form. (We only respond to inquiries that include your address and telephone number!)

Stanje: delavnici obnovljeno (rabljeno), Leto izdelave: 2004, Funkcionalnost: popolnoma funkcionalen, delovna širina: 1.300 mm, skupna masa: 12.000 kg, Širokopasovni brusilni stroj, popolnoma obnovljen in preizkušen! ŠIROKOPASOVNI BRUSILNI in KALIBRIRNI STROJ z 8-metrsko valjčno potjo spredaj in zadaj stroja! Tehnične podrobnosti: Delovna širina: 1300 mm Debelina obdelovanca maks.: 150 – 4,0 mm Dimenzije brusilnega pasu: obseg v mm Dimenzije stroja D x Š x V: 4,8 x 2,7 x 2,35 m Pogonska moč 219 kW Leto izdelave 1992/2026 Druge značilnosti: pnevmatsko vodilo pasu Nastavitev višine z ročnim kolesom GUMB ZA NUJNI POSTANEK Nastavitev brusilnih valjev Napenjalnik pasu Valjčne poti (dovod in odvod, dolžina: 2800 x širina: 1700 mm, vsaka pot ima 6 valjev) s motoričnim pogonom Upravljanje preko nadzorne plošče Debelina obdelovanca min./maks.: 4,0/150 mm Širina brusilnega pasu 1300 mm (obseg pasu) Iedpsz Rt Dgsfx Ah Uetn Podpora za brusilni pas, dolžina x širina: 1700/1350 mm

Stanje: dober (rabljeno), Leto izdelave: 2012, Funkcionalnost: popolnoma funkcionalen, številka stroja/vozila: G2512-01, skupna širina: 1.600 mm, skupna višina: 2.150 mm, skupna dolžina: 2.550 mm, delovna širina: 450 mm, skupna masa: 2.600 kg, moč: 46,4 kW (63,09 KM), hitrost brusilnega traku: 14.000 mm/s, vrsta vhodnega toka: trifazni, dolžina brusnega traku: 1.900 mm, priključek za stisnjen zrak: 6 letvica, širina brusilnega traku: 470 mm, potreba po zraku: 6 m³/h, vhodna napetost: 400 V, obratovalni tlak: 6 letvica, širina obdelovanca (maks.): 450 mm, Grindingmaster širokopasovni brusilni stroj za mokro, opremljen z dvema zgornjima brusilnima agregatoma in enim krtačnim agregatom (Scotch-Brite). Namenjen je površinski obdelavi kovinskih delov širine do 450 mm. Spodaj se nahaja zbiralnik za prah s filtrirno tkanino. Itjdpfx Aeyn E H Reh Usn Stroj je v dobrem, delno obnovljenem stanju. Dodatne tehnične informacije so na voljo v priloženem dokumentu.

Stanje: dober (rabljeno), - Rabljen stroj - Širina prehoda: 1100 mm - Višina prehoda: 3 – 160 mm - 1. agregat: kontaktni valj - 2. agregat: brusilni podplat - Brusilni pasovi: 1120 x 1900 mm - Moč motorja: 15,0 kW Itodpfez Tflnox Ah Uen - Hitrost podajanja: 5 – 25 m/min - D x Š x V: 1910 x 1570 x 1920 mm - Teža: 2500 kg - Na voljo na zalogi

Stanje: zelo dobro (rabljeno), Leto izdelave: 1984, Funkcionalnost: popolnoma funkcionalen, številka stroja/vozila: 137, skupna širina: 2.800 mm, skupna dolžina: 700 mm, skupna višina: 1.700 mm, vrsta vhodnega toka: trifazni, Avtomat za brušenje traku za krožne žage Itsdpfx Aez Uq E Aeh Uen Risstaler riv Rivo 200 GA Letnik proizvodnje 1984 Na voljo različne oblike zob Navodila za uporabo so na voljo Podajanje: 30 ali 60 zob na minuto

Stanje: pripravljen za uporabo (rabljen), Leto izdelave: 2008, Funkcionalnost: popolnoma funkcionalen, številka stroja/vozila: A80722MM2, širina brušenja: 1.350 mm, moč: 31 kW (42,15 KM), vrsta nastavitve višine: električni, Avtomatsko egalizacijsko širokopasovno brusilno orodje, primerno za fino brušenje masivnega lesa. To brusilno orodje spada v najvišjo kategorijo avtomatskih širokopasovnih brusilnih orodij in se odlikuje predvsem po majhni velikosti stroja, popolni kakovosti brušenja, enostavnem upravljanju in visoki zanesljivosti. Uporabljalo se je za končno obdelavo masivnega parketa. 2 glavni modul: mehki brusilni valji, širina 1350 mm Dodatni moduli: ščetka Scotch-Brite, čistilna ščetka, puhalnik za čiščenje Skupna maksimalna moč 31 kW Širina brušenja 1350 mm Maksimalna višina obdelovanca: 160 mm Fiksna delovna višina stroja – primerno za integracijo v proizvodno linijo Motorizirano nastavljanje delovne debeline z LCD-zaslonom Neprekinjeno uravnavanje hitrosti podajnega pasu Neprekinjeno uravnavanje hitrosti obeh delovnih modulov Pnevmatični puhalniki za delovne module Ampermeter za nadzor obremenitve motorja Iodoy Idxyspfx Ah Ustn Daljinsko izklapljanje modulov iz nadzorne plošče Opora s 4 položaji za kompenzacijo zrnatosti pasov Podajni pas s perforacijo in možnostjo sesanja delcev Valjasta podaljšek mize na vhodu in izhodu Pnevmatična oscilacija, nadzorovana z elektroniko CE varnostni standard Teža 3800 kg Letnik proizvodnje 2008 Poškodovan prvi brusilni valj – glede slike Cena, ki je predmet pogajanj: 25.000 EUR brez DDV Stroj je popolnoma funkcionalen in se prodaja v stanju, v katerem je. Na zalogi v Telnici pri Brnu – Češka Seveda je mogoče preizkusiti stroj, ga demonstrirati in usposobiti uporabnika.

Stanje: zelo dobro (rabljeno), Leto izdelave: 1992, Belt dimensions: 2600 x 150 mm Motor power (grinding belt): 2.2 kW Operating voltage: 3 x 400 V + PE / 50 Hz Grinding table height adjustable via handwheel Table size: 975 x 340 mm Height-adjustable grinding table for radii; size: 400 x 200 mm Sanding arm adjustable: 90° – 0° Extraction port: Ø 120 mm CE certified Required space (L x W): approx. 1600 x 725 mm Weight: approx. 320 kg Note on used machinery: • Technical specifications are subject to error and prior sale. • Listed prices are ex-site and ex-loading. • The machines have been cleaned and functionally tested. • All machines are sold as seen, without any guarantee or warranty. Buyers are welcome to inspect the machines at site. • Special agreements are only valid in written form. Itsdpett Da Dofx Ah Ujn (We will only respond to inquiries that include your address and telephone number!)

Stanje: pripravljen za uporabo (rabljen), Funkcionalnost: popolnoma funkcionalen, ELB SWN 5 VA / Horizontalni stroj za ravninsko brušenje Itjdpsz Sr Umjfx Ah Usn - Površina za brušenje X/Y/Z 525x375x255 mm - Magnetna plošča 700x300 mm - Površina za vpenjanje na mizi 900x250 mm - Gib mize v vzdolžni smeri 10 - 625 mm - Največja obremenitev mize 280 kg - Gib mize 1 - 30 m/min - Gib pri nihajnem brušenju 3 - 30 m/min - Razdalja od mize do sredine vretena 525 mm - Navpična hitrost giba 2 - 180 mm/min - Regulirana nastavitev giba 0,001 - 2 mm - Hitrost vrtenja brusilnega diska 3000 vrt/min - Sistem za hlajenje - Podstavki stroja - Dokumentacija - Popolni tehnični podatki so na fotografijah Mere: D x Š x V 2,7 x 2,2 x 2 metra / Teža 3500 kg Pridržana pravica do sprememb / napak pri vnosu podatkov.