Delavnica Tisk nakup rabljenega (5.042)

Stanje: novo, Leto izdelave: 2026, Funkcionalnost: popolnoma funkcionalen, Workshop parts washer is a versatile tool that should be present in every service center, garage, or workshop. This indispensable device enables quick and cost-effective removal of contaminants. A significant advantage is the ability to use the washer indoors. The washing process is performed in a closed circuit, using a cleaning fluid heated up to 70°C. The solution is delivered through a spray gun nozzle at a pressure of up to 8 bar, thoroughly cleaning even hard-to-reach areas and heavily soiled parts from carbon deposits, grease, or oil. Both temperature and cleaning fluid significantly increase washing effectiveness. The unit features adjustable feet for leveling. The washer is highly effective for turbocharger reconditioning and for cleaning heavily soiled parts made of steel, cast iron, aluminum or other alloys. The washer lid is equipped with pneumatic cylinders, enhancing safety and ease of use. The washer features a dual-function spray gun: it can deliver only air or air mixed with cleaning fluid. Cleaned parts can be dried using compressed air. The washer is equipped with an intuitive control panel. - Adjustable water temperature - Smooth air pressure regulation - Manometer - Separate switch for detergent/water heating - Separate power switch Technical specifications: - Capacity: 160 L - Detergent heating: up to 70°C - Fluid tank capacity: 8–14 L - Working pressure: 5–8 bar - Weight: 47 kg - Dimensions: 770 × 600 × 1330 mm - Adjustable air supply Pedpfx Aouc Tn Aogxjgk - Pneumatic spray gun - Illuminated cabin - Ventilation Please note: the parts washer is supplied for self-assembly. Price does not apply to machines purchased in Poland.

Stanje: novo, Leto izdelave: 2026, Funkcionalnost: popolnoma funkcionalen, A workshop parts washer is a versatile tool that should be present in every service shop, garage, or workshop. This indispensable equipment ensures fast and cost-effective removal of dirt and grime. A major advantage is the ability to use the washer indoors. A cabin parts washer guarantees effective removal of all contaminants—from oils to hard-to-reach deposits—while ensuring the safety and long-term performance of your components. The applied technology not only ensures cleanliness but also provides protection against corrosion. Please note that cleaning results will depend on the type of detergents used. The parts washer is designed to use up to 90 litres of cleaning agent, with a maximum tank capacity of 140 litres. For maximum efficiency, the pump inlet should be covered during operation. The pump operates within a flow rate range of 2.7 to 3.6 litres per minute, providing thorough cleaning of surfaces, including fine cracks, with a powerful jet. The cleaning fluid is drawn from the bottom of the tank in a closed circuit and delivered under pressure through a flexible hose. The workshop washer is equipped with four legs for stable operation and an optimised working height. The lid locks automatically when opened. Additionally, the unit features a work surface below the basin level, useful for placing cleaning accessories or washed parts to let them dry. The unit requires self-assembly. Technical specifications: Tank capacity: 140 L Max. cleaning fluid volume: 90 L Max. pump capacity: 2.7–3.6 L/min Power supply: 230 V Dimensions: 1130x540x885 mm Tray dimensions: 800x500 mm Weight: 43 kg Podpjrh Ey Refx Agxegk Power supply: 230 V Self-assembly required. Price shown is NET, exclusive of transport costs. For more information, please contact us by phone or email. Feel free to visit our website to explore our full offer.

Stanje: novo, Leto izdelave: 2026, Funkcionalnost: popolnoma funkcionalen, WORKSHOP PRESSURE WASHER MP150 Features: Washing is performed in a closed circuit using a cleaning liquid. The detergent is dispensed from the gun nozzle at pressures up to 8 bar, which enables thorough cleaning of hard-to-reach areas and heavily soiled parts contaminated with carbon deposits, grease, or oils. The washer is ideally suited for turbocharger refurbishment and for cleaning heavily soiled components made of steel, cast iron, aluminium, and other alloys. The washer lid is equipped with pneumatic actuators, enhancing safety and work quality. Psdpfx Agsvugwmjxogk The cabin is standardly equipped with work area lighting. The washer features a dual-function gun capable of dispensing either air only or air mixed with the cleaning agent. The cleaned item can be dried with compressed air. * Please note: the washer is supplied for self-assembly. Technical data Capacity: 160L Detergent tank capacity: 8-14 L Operating pressure: 5-8 bar Weight: 29 kg Air regulation Pneumatic spray gun Illuminated cabin Work ventilation Dimensions: 770x610x700mm

Stanje: pripravljen za uporabo (rabljen), Leto izdelave: 1980, Tlačna sila: 300 ton Dimenzije mize: 1.200 x 850 mm Prostornina: 400 mm Širina bata: 1.100 mm Odprtina v mizi: 400 x 250 mm Pgsdpod A Hbcsfx Agxjk Vgradna višina: 500 mm Število hodov: 32 1/min Hod: 30 - 140 mm Nastavitev bata: 105 mm Teža: pribl. 19.500 kg Ostalo - Dovoljeno za ročno polaganje delov - Opremljeno z varnostnim ventilom Herion Xsz 20 - Motorizirano centralno mazanje z mastjo - Pnevmatski batni cilindri za kompenzacijo teže - Motorizirano nastavljanje bata - T-utorji v batu - Samostoječa upravljalna konzola - Ležaji ojnic obnovljeni Zaščitni pokrovi za predkolo so seveda vključeni – glejte drugo fotografijo.

Stanje: novo, Leto izdelave: 2022, Shelf Press OMC 3000×1300 105T Oil-Heated Working area: 3000x1300 mm Opening width: 400 mm Pedpfjimwp Ssx Agxjgk 6 cylinders with 85 mm diameter Total pressing force: 105T Maximum heating temperature: 85°C Logic control system Machine operation via touchscreen panel Readouts: temperature, pressing force, shelf opening time, loading area calculator, gluing process programming Power: 21 kW CE certificate Year of manufacture: 2022 Machine available on order Brand new machine

Stanje: rabljeno, Leto izdelave: 2000, številka stroja/vozila: 309661, Funkcionalnost: popolnoma funkcionalen, obratovalne ure: 6.750 h, For sale is an eccentric press: Pjdpfx Ajxvqmkjgxsgk Manufacturer: SCHULER / Römer GmbH Model: PN 63-250 Rated force: 630 kN Ram stroke: 8–100 mm Stroke rate: 140 strokes/min 2-hand / foot operation Separate control cabinet Used, fully functional condition. Collection by buyer, support for dismantling/transport can be arranged if required. ⸻ If you are interested or have any questions, feel free to send me a message. Inspection on site by arrangement possible. Other metalworking machines available, such as bench drilling machines, press brakes, pillar drilling machines, eccentric presses, heavy-duty shelves, welding tables, MIG/MAG welding machines, compressors, etc.—please check my other listings. Pickup only – dismantling and transport by buyer or by arrangement. If you are interested or have any questions, feel free to send me a message. Further photos and technical details available on request. All information without guarantee or warranty. Subject to errors and prior sale. Nous parlons Français / Мы говорим по-русски We speak English / Noi vorbim românește Viber / WhatsApp We can handle all customs and registration matters for an additional fee. We also arrange vehicle transport to the port at extra cost.

Stanje: rabljeno, Leto izdelave: 2000, številka stroja/vozila: 510565, Funkcionalnost: popolnoma funkcionalen, obratovalne ure: 5.840 h, An eccentric press is being offered Make: Müller Weingarten Model: C40.2.2 Rated force: 40 t Two-hand / foot operation Safety device with Sick brand light curtain Used, in functional condition. Collection by buyer; assistance with disassembly/transport can be arranged if needed. If interested or if you have any questions, feel free to send me a message. On-site inspection by appointment is possible. Further metal processing machines available, such as bench drills, press brakes, pillar drills, eccentric presses, heavy-duty shelving, welding tables, MIG/MAG welders, compressors, etc. – please see my other listings. Collection only – disassembly and transport to be handled by the buyer or by arrangement. Pgjdpfxsxvqnbj Agxok If interested or if you have any queries, feel free to send me a message. Additional photos and technical details available upon request. All information provided without guarantee or warranty; errors and prior sale reserved. For further questions, please call. Nous parlons français / Мы говорим по-русски We speak English / Noi vorbim românește Viber / WhatsApp / Skype We handle all customs and registration formalities for an additional fee. We can transfer vehicles to the port for an additional fee.

Leto izdelave: 2001, obratovalne ure: 126.000.000 h, stanje: dober (rabljeno), številka stroja/vozila: 204750, Straight and perfecting printing 2/2 - 4/0 CPC 1-04: Control and automation system Alcolor film dampening system Semi-automatic plate changer Grafix Alphatronic 200: Powder spray unit Technotrans cooling and circulation Automatic ink roller washing system Blanket washing device Staticstar Compact: Antistatic equipment Impression count: 126 million. Psdjlml Nhspfx Agxegk

Stanje: zelo dobro (rabljeno), Leto izdelave: 2006, številka stroja/vozila: 12501, Funkcionalnost: popolnoma funkcionalen, stiskalna sila: 10 t, širina mize: 222 mm, dolžina mize: 322 mm, skupna masa: 450 kg, vgradna višina: 197 mm, nastavitev hidravličnega cilindra: 30 mm, nastavitev hoda: 42 mm, Rabljena ekscentrična stiskalnica San Giacomo T 10V CE v zelo dobrem stanju s podnožjem za prevoz s paletnim vozičkom. Dodatne informacije na zahtevo. Psdpfxex A Ah Te Agxogk

Stanje: rabljeno, Leto izdelave: 1980, Pressing force 1,250 kN Pgodpfx Ajrm Ntpegxsk Stroke adjustable from 20 to 140 mm Stroke rate 70 strokes/min. Further data and images available on request The press is currently non-operational and requires mechanical and electrical overhaul.

Stanje: rabljeno, Leto izdelave: 1991, Tlačna moč 1.500 kN Nastavljiv hod 20 - 132 mm Nastavitev batnice maks. 90 mm Število hodov 50 / 75 1/min. Dodatni podatki in slike na zahtevo Rabljena, stiskalnica je bila popolnoma razstavljena Pedporm Nqmofx Agxogk Ni delujoča in zahteva mehansko ter električno obnovo Stiskalnica je trenutno mehansko ponovno sestavljena

Stanje: dober (rabljeno), Leto izdelave: 1995, For sale: PSM 40 T eccentric press Podpfov Uxt Hex Agxsgk The price listed in the advertisement is the net amount; VAT must be added.

Leto izdelave: 2000, stanje: skoraj kot novo (rabljeno), Gallus TCS 250 Baujahr: 2000 Verfügbarkeit: Sofort Druckbreite: 254 mm Pedegy H Axspfx Agxjgk - Bahnlänge: max. 254 mm; min. 101,6 mm - Bedruckstoffe: Papier: 100 bis 180 g/m²; Karton: bis 300 g/m², max. 0,3 mm Stärke - 2 Offset-Druckwerke - 1 Flexo-Druckwerk - 3 UV-Trocknungseinheiten, Typ Uviterno - KB Rotationsstanze - Magnetzylinder: Z72, 74, 76, 78, 80, 84, 88, 92, 96, 100, 104, 108, 112, 116, 120, 124 - Abwickler für Rollendurchmesser bis 1.040 mm - Bahn- und Kantenschneideeinheit - Bahnlaufregelung - Aufwickler für maximalen Rollendurchmesser von 300 mm - Geschwindigkeit bis zu 11.000 Drucke/h - Touchscreen-Bedienung

Stanje: Okvarjen nosilec rezervnih delov (rabljen), Leto izdelave: 1974, številka stroja/vozila: 121645, Funkcionalnost: nefunkcionalno, stiskalna sila: 63 t, širina mize: 650 mm, višina mize: 910 mm, skupna masa: 4.000 kg, potrebna višina: 2.800 mm, zahteva za prostor dolžina: 1.200 mm, potrebna širina: 1.900 mm, nastavitev hoda: 63 mm, Ekscentrična stiskalnica ima poškodbo sklopke – trenutno ni uporabna. Brez na slikah nameščenega stebričastega ogrodja. Pgsdox D Tngspfx Agxok

Stanje: novo, New high-speed presses from a minimum of 63t up to a maximum of 630t. We offer brand-new mechanical and hydraulic presses for various applications, custom-tailored to your requirements. Let us know your needs, and we will provide you with an attractive offer including installation and service. In recent years, ISGEC has delivered to over 26 countries, including Thailand, Indonesia, Vietnam, USA, Germany, Spain, France, Brazil, Hungary, Mexico, Bangladesh and more than 200 presses to 40 Japanese customers. We are proud to have been the official sales partner since 2020 and look forward to your inquiry. Pgodpfx Aogayiaogxek

Leto izdelave: 2025, stanje: novo, A workshop cabin washing machine made from AISI 304 stainless steel and acid-resistant AISI 316 steel, designed for professional use across a wide range of industries and the automotive sector. It operates in a closed-loop system at temperatures up to 45°C. Cleaning efficiency is enhanced by our proprietary XPOWER Active Cleaner solution, which, when combined with optimal temperature and spray gun pressure, effortlessly removes all types of contaminants. Standard features include a compressed air gun and a low-pressure overflow brush. The washer is equipped with a 90-liter tank, a pneumatically raised wash chamber, and a height-adjustable frame for operator convenience. STANDARD EQUIPMENT: - High-pressure nozzle up to 140 bar - Low-pressure brush with a flow rate of 5 L/min - Compressed air gun up to 8 bar - Heated 90-liter solution tank - LED lighting - Air blower for the inspection window - Pneumatic chamber opening mechanism - Fluid level and temperature sensors - Dual fluid filtration system - Integrated oil separator (effectively separates oil contaminants from water in the tank) - Dual foot-operated switches Pedegvaazspfx Agxjgk - Height-adjustable leveling feet up to 100 mm - Fully made of stainless steel - Protection rating: IP 54 - XPOWER Active Cleaner solution, 5 L (two versions available) OPTIONAL ACCESSORIES FOR MASTER CLEANER MC1000: - Spray arm - Rotary basket - Rotating nozzle - Nozzle for cleaning collectors - Tank insulation TECHNICAL SPECIFICATIONS: - External dimensions with chamber open (cm): 125 x 85 x 235 - External dimensions with chamber closed (cm): 125 x 85 x 170 - Chamber dimensions (cm): 100 x 64 x 74 - Power supply: 3 x 400 V - Pneumatic pressure: 6 - 8 bar - Maximum power output: 7.5 kW - Pump operating pressure: 140 bar - Solution working temperature: up to 45°C - Air connection: pneumatic quick coupling, plug DN 7.2 - Safety features: temperature sensor, emergency stop switch, end switch - Protection rating: IP 54 VARIOUS MACHINE VERSIONS AVAILABLE: CONTACT US TO LEARN MORE ABOUT OTHER MODELS.

Stanje: novo, Leto izdelave: 2025, skupna masa: 230 kg, kapaciteta rezervoarja za vodo: 110 l, Workshop cabin washing system, constructed from AISI 304 stainless steel and acid-resistant AISI 316 steel, designed for professional use across various industries and the automotive sector. It is used to remove heavy contamination without damaging the surface of the cleaned component. The system operates in a closed circuit at temperatures up to 45°C. The worktop width is 150 cm. Pedjri Rn Ujpfx Agxegk The washer is equipped with a 110-liter tank, which can optionally be thermally insulated to prevent the heated liquid from cooling too quickly. Cleaning efficiency is enhanced by our proprietary XPOWER Active Cleaner fluid, which, in combination with the right temperature and nozzle pressure from the spray gun, effortlessly removes all types of dirt. Standard features include a high-pressure lance up to 140 bar, an air gun, and a low-pressure overflow brush. The wash cabin is pneumatically lifted, with adjustable height, bright lighting, and air ventilation for the viewing window to ensure comfortable operation. The construction and design of the Master Cleaner MC 1500 meet the highest quality standards according to ISO 9001 and environmental standards according to ISO 14001. Ideal for removing contaminants from steel, cast iron, and aluminum surfaces. The Master Cleaner MC1500 is equipped with a special oil separator that effectively removes oil contamination from the water in the washer’s tank. STANDARD FEATURES: - High-pressure nozzle: 140 bar - Low-pressure brush: up to 5 L/min - Air gun: up to 8 bar - Air ventilation for viewing window - LED lighting - Pneumatic mechanism for opening the cabin - Heated 110-liter tank - Dual fluid filtration - Oil separator - Sensors for liquid level and temperature - Adjustable feet: up to 100 mm - Double footswitch - XPOWER Active Cleaner (5-liter starter pack) OPTIONAL FEATURES: - Rotating basket - Spray arm - Rotating nozzle - Nozzle for manifold cleaning - Thermal insulation for the tank TECHNICAL SPECIFICATIONS: - Weight: 230 kg - External dimensions – Open cabin (W x D x H): 175 x 85 x 235 cm - External dimensions – Closed cabin (W x D x H): 175 x 85 x 170 cm - Cabin dimensions (W x D x H): 150 x 64 x 65 cm - Heated fluid tank: 110 liters - Operating temperature: up to 45°C - Power supply: 3 x 400 V - Pneumatic supply: 6 – 8 bar - Maximum power: 7.5 kW - Pump operating pressure: 140 bar - Dual fluid filtration: Yes - High-pressure lance capacity: up to 15 L/min - Air connection: Pneumatic quick connector DN7.2 plug - Manual washing with overflow brush: up to 5 L/min - Double footswitch: Yes - Safety features: Temperature sensor, emergency stop switch, limit switch - Protection class: IP 54 - Declaration of conformity: CE MULTIPLE MODELS AVAILABLE – CONTACT US FOR MORE INFORMATION.

Leto izdelave: 1966, stanje: dober (rabljeno), Machine number: 6665/66 Type / Model: PEDV 10/II-S Pressing force: 10 t Table (WxD): 450 x 300 mm Ram: 190 x 140 mm Pgodoh Tktijpfx Agxsk Ram stroke: 6 to 50 mm Ram adjustment (downward): 45 mm Table adjustment (upward): 140 mm Clear hole: 140 mm Throat depth: 170 mm Max. distance table–ram: 320 mm Strokes per minute: 160 /min Sheet thickness (single stroke): 2 mm Sheet thickness (continuous stroke): 1 mm Connection: 1.2 kW Accessories/Equipment: Condition: good Weight: 1.0 t Dimensions (LxWxH): 900 x 850 x 2,200 mm

Stanje: generalkompletno obnovljen (rabljeno), Leto izdelave: 2025, številka stroja/vozila: A5137, Funkcionalnost: popolnoma funkcionalen, Completely overhauled 100-ton HEILBRONN C-frame press, currently undergoing retrofit – available at short notice. Features include hydraulic clutch-brake combination, automatic central grease lubrication, manual ram adjustment, mechanical overload protection, new hoses for lubrication and hydraulics, new control system (customization still possible), etc. Dimensions – see machine drawing (PDF). Technical Data: Press force: 1,000 kN Speed: 50 strokes/min (variable speed optional) Adjustable stroke: 14 – 150 mm Ram adjustment: 80 mm Shut height: 420 mm (max. stroke down, adjustment up) Bed: 650 x 500 mm Ram: 400 x 250 mm Throat depth: 350 mm Psdswb A Dzopfx Agxsgk Drive power: 5.5 kW Weight approx.: 5,500 kg

Stanje: skoraj kot novo (rabljeno), Leto izdelave: 1989, številka stroja/vozila: 892161, Funkcionalnost: popolnoma funkcionalen, obratovalne ure: 810 h, stiskalna sila: 160 t, skupna širina: 2.425 mm, skupna višina: 2.860 mm, skupna masa: 9.000 kg, nastavitev hidravličnega cilindra: 61 mm, najv. debelina pločevine: 6 mm, You have a unique opportunity to purchase a Feintool GKP F 160 that is virtually unused. The machine has only 810 operating hours. As you can see from the pictures, the machine is in top condition. We acquired the press in 2019 but, just like the previous owner, never put it into operation. It has only been tested without tooling in our facility and is fully functional. The machine can be inspected under power at any time. Technical data of the FEINTOOL GKP F 160 Fineblanking Press: - Maximum sheet thickness: 6 mm - Maximum sheet width: 210 mm - Total force including auxiliary functions: 160 t - Shearing force: 100 t - Hydraulic counterbalance force (upper table): 1–40 t - Hydraulic force of the ring jaw (lower table): 12–50 t - Ejector force (pump pressure): 4–8 t - Hydraulic shearing force: 7.5 t - Pneumatic shearing force: 6.6 t - Ram stroke: 61 mm - Maximum number of ram strokes: 72/min - Minimum number of ram strokes: 18/min - Motor power: 11 kW - Pump power: 4 kW - Air connection: 6 bar Psdpoumigqjfx Agxsgk - Dimensions (L x W x H): 2380 x 1870 x 2860 mm - Machine weight (GKP F 160): 9,000 kg

Stanje: dober (rabljeno), Heidelberg OHT „windmill” Letterpress Stroj za izsekovanje, tiskanje, utiskivanje, perforacijo, številčenje itd. Pjdpfx Agswxtb Sjxjgk Stanje stroja je zelo dobro, po opravljenem pregledu. 100% original, brez modifikacij. To je stroj iz zadnje serije proizvodnje, posebnost te izvedbe so ekskluzivne valjčne klešče, predal pod strojem, velika zaščitna pokrivala za kolesa in rdeč gumb na batni ročici. Sistem za nanos barve. Popoln komplet dodatkov in orodij. Format stroja 26x38 cm Teža papirja do 600 g/m² Hitrost 5000 pol/h Teža 1200 kg Napajanje 400V Popolnoma kompleten, dva okvirja, rezervni deli, priložena dokumentacija. Zelo redka naprava na trgu.

Stanje: dober (rabljeno), Adast Grafopress GPE stiskalni stroj Pgedpfev E A U Nex Agxsk Zelo dobro ohranjen, pripravljen za proizvodnjo, po opravljenem pregledu. Stroj ima vso varnostno opremo. Izvozna izvedba. Oprema vključuje tiskarske valje. Naprava je namenjena izsekovanju, tisku, biganju, oštevilčenju itd.

Leto izdelave: 2020, stanje: kot nova (razstavni stroj), Glazing press VK-3522 Adjustable height 500 mm, pneumatic Clamping height: 2,200 mm Pgjdpfxouxy Es Agxsk Clamping width: 3,000 mm Pneumatically retractable pressure beams Clamping plates: 120 mm Dimensions: L = 3,900 x W = 1,050 x H = 2,500 mm

Stanje: zelo dobro (rabljeno), Leto izdelave: 2002, številka stroja/vozila: 65/2/158/02, Funkcionalnost: popolnoma funkcionalen, stiskalna sila: 65 t, hod: 120 mm, dolžina mize: 580 mm, globina grla: 280 mm, skupna širina: 820 mm, prebijalna sila: 65 t, Rabljena mehanska stiskalnica 65 ton na prodaj Video si lahko ogledate na dnu tega oglasa MODEL: 65 CNR 4 SER. ŠT.: 65/2/158/02 NAZIVNA SILA (maks. hod): 650 [kN] TEŽA STROJA: 5.000 [daN] NAZIVNA HITROST: 73 [C/min] SPREM. HITROST MIN/MAX: [C/min] MAKS. VKLOPOV SKLOPKE: 36 [C/min] Pedpfxsxqn Une Agxjgk TLAK SKLOPKE MIN/MAX: 4 / 5,5 [bar] MAKS. ČAS ZAUSTAVITVE: 0,154 [s] VARNOSTNA RAZDALJA: 246 [mm] ENERGIJA ZAMAŠNIKA: 3.440 [kJ] DOLŽINA HODA MIN/MAX: 10 / 120 [mm] REGULACIJA BERANA: 100 [mm] VIŠINA ZAPRTJA S.D.A.U.: 320 [mm] MAKS. IZMET HODA: 40 [mm] DIMENZIJE MIZE: 68 / 580 / 820 [mm] DIMENZIJE BERANA: 340 / 470 [mm] PREMER STEBLA ORODJA: 45 [mm] GLOBINA VRATU: 280 [mm] NAJVEČJA VELIKOST ORODJA: 340 / 470 [mm] MAKS. TEŽA ZGORNJEGA ORODJA: 136 [daN]

Leto izdelave: 2023, stanje: novo, DPM 1070 x 150ton Hydravlična delavniška stiskalnica, kapaciteta: 100 ton Na voljo so tudi številne druge dimenzije in kapacitete. • Varjen okvir iz jekla • Enostavno upravljanje • Možnost zaustavitve v katerem koli položaju • Tlačni manometer • Varnostni ventil proti preobremenitvi • Standardni V-bloki (2 kosa) • Nastavljiva višina mize • Priključek za gibanje mize gor-dol • Upravljanje s posebnim joystickom • Premikanje bata levo-desno ročno (DK) • Izdelano v skladu z EC varnostnimi direktivami, ima CE Pgjdpfx Agjgyta Hexek • Uporabniški priročnik