Eba 551-06 pirkti naudotą (6 901)

Būklė: labai geros būklės (naudotas), Here we offer a KEBA ABB IRC5 SX Teach Pendant Unit-2 16/64. Bjdpfx Anezgcbue Hewu Teach pendant for ABB robots 3HAC023195-001 /03 Type: SX Teach Pendant Unit-2 16/64 Condition: used Scope of delivery: (see picture) (Subject to alterations and errors in technical specifications!) We will be happy to answer any further questions by phone.

Būklė: naudotas, Reikalingas TCE-200 tekinimo staklis 80 tonų talpa Bodpfxjzwmnyj An Hswu 2000 mm didžiausias apdirbamo detalės skersmuo 8000 mm atstumas tarp centrų Viena staklės galva 4 žandikačių tvirtintuvas Atraminė galva Metalinių drožlių konvejeris Pagaminimo data: 1973 m. Serijos numeris: 1164-003

Būklė: geras (naudotas), Funkcionalumas: visiškai funkcionalus, įėjimo įtampa: 400 V, įėjimo dažnis: 50 Hz, įvesties srovės tipas: trifazis, Sertifikuota DGUV iki: 07/2027, Daugiaaukštė kepimo krosnis Sweba Dahlen Modelis: S-22 S Nerūdijančio plieno korpusas Rankinis valdymas Matmenys: 1600 x 1000 x 1800 mm Bwedpfxew Ttl Ee An Hju Jungtis: 400V, 32A CEE kištukas Naudota krosnis Turime daugiau krosnių sandėlyje!

Būklė: naujas, Spare Parts for POREBA Lathes Bwjdpfx Anov R Uaus Hsu A comprehensive stock of spare parts for Poreba lathes: TR55, TR70, TR70B, TR80, TR90, TR90B, TR100B, TR115, TR135, TR135B, TCC125, TCA125, TCA160, TCG125, TCG160, TCG200, TPC90, TRP110MN, TZG250, TNA90N and many more. – Gears, shafts and gear wheels – Rack bars – Lead screws and feed shafts with nuts – Cross-slide screws with nuts – Electromagnetic clutches and brakes, brush holders – Pumps, filters, motors – Steady rests and follow rests – Tailstock quills – Tool holders – Lathe chucks Contact us for further information.

Būklė: labai geros būklės (naudotas), Funkcionalumas: visiškai funkcionalus, įėjimo įtampa: 230 V, paskutinio kapitalinio remonto metai: 2024, bendras aukštis: 220 mm, bendras ilgis: 720 mm, bendras plotis: 380 mm, įvesties srovės tipas: Oro kondicionierius, Temperatūros reguliavimo įrenginys Jufeba TG 1-3 T Jufeba modelis: TG 1-3 T Stalinis įrenginys su talpa Bwsdpfxsxvk Hde An Hsu Rankinis temperatūros reguliavimas Tvirta technologija Jungtis 230V Naudotas prietaisas, išvalytas ir patikrintas pagal SAB Su garantija ir atsarginių dalių aptarnavimu Turime sandėlyje daug kitų temperatūros reguliavimo įrenginių!

Būklė: naujas, Funkcionalumas: visiškai funkcionalus, kuro tipas: elektrinis, Gamybos metai: 2026, *Wszystkie nasze produkty są wykonane z najwyższą starannością i objęte 1-roczną gwarancją! *Instalacja i szkolenie operatora GRATIS FABO TURBOMIX W PEŁNI AUTOMATYCZNE MOBILNE WĘZŁY BETONIARSKIE to idealne rozwiązanie dla projektów wymagających krótkoterminowej oraz zwartej zabudowy na wyznaczonym placu budowy. Ponieważ wszystkie elementy węzła znajdują się na pojedynczym podwoziu mobilnym, urządzenie można łatwo przemieścić jednym samochodem ciężarowym. Wydajność mobilnych węzłów betoniarskich TURBOMIX wynosi od 30 m3/h do 150 m3/h. Mobilne węzły betoniarskie serii FABO TURBOMIX posiadają automatyczne sterowanie, statyczny/dynamiczny system wagowy zbiorników kruszyw i dodatków. Węzły wyposażone są w wysokiej jakości i wytrzymały mieszalnik betonu gwarantujący wysokowydajną, jednorodną mieszankę. DANE TECHNICZNE: Model: TURBOMIX 60 Wydajność produkcyjna: 60 m3 Wymiary (długość x szerokość x wysokość): 15500 x 3000 x 4500 mm Typ mieszalnika: dwuwałowy 1 m3 Zasobnik kruszywa: 4x10 m3 Przenośnik taśmowy: 2500 kg Ważenie cementu: 500 kg Ważenie dodatków: 30 kg Ważenie wody: 200 l Masa całkowita: 19 650 kg Moc całkowita silników: 60 kW Silos na cement – opcjonalnie Turbomix 60 składa się z: • Zasobnik kruszywa • Waga kruszywa • Przenośnik taśmowy kruszywa • Mieszalnik panwiowy • Rama mieszalnika, platformy robocze, drabina • Waga wody • Waga cementu • Waga dodatków • Kompresor powietrza Bsdpfx Anszz Rwgs Hswu • Przenośnik ślimakowy do cementu • Śrubowy silos cementu • Filtr górny, zawór bezpieczeństwa i akcesoria • Szafa sterownicza • Komputer i system automatyki • Panel sterowania i zasilania W CELU UZYSKANIA DODATKOWYCH INFORMACJI ZAPRASZAMY DO KONTAKTU TELEFONICZNEGO!

Gamybos metai: 2017, būklė: labai geros būklės (naudotas), Funkcionalumas: visiškai funkcionalus, Compact electric rotary oven Sveba-Dahlen with rotating plate, suitable for bakeries with limited space. Touch control panel with Sveba-Dahlen system Dual fans for even air circulation High-performance heat exchanger – fast heating with low energy consumption Thick overlapping insulation – effectively prevents heat loss Exterior and interior made of stainless steel – maintains low surface temperature and facilitates cleaning Robust stainless steel housing for efficient steam extraction when doors are open Specifications Tray size: 600 x 800 mm External oven dimensions (W x H x D): 1450 x 1333 x 2445 mm Heating: electric (60 kW) Number of racks: 3 pcs Bwedpotltr Njfx An Hju Rack dimensions (W x H x D): 675 x 825 x 1795 mm The oven is in very good condition. Used only for 5 years in a small bakery.

Būklė: labai geros būklės (naudotas), Gamybos metai: 1983, - Tekinimo skersmuo virš staklės [mm]: - 1000 - Tekinimo skersmuo virš atramos [mm]: - 630 - Tekinimo skersmuo tilto išpjovoje [mm]: - 1230 - Veleno skylė [mm]: - 120 - Atstumas tarp centrų [mm]: - 2000 - Sukimosi greičio diapazonas [aps./min]: - 5 ÷ 500 - Didžiausias ruošinio svoris griebtuve: 1300 kg - Staklių svoris: 10000 kg Bwjdpfx Asytnt Den Hsu

Būklė: visiškai atnaujintas (naudotas), Gamybos metai: 2026, Funkcionalumas: visiškai funkcionalus, veleno skylė: 95 mm, tekėjimo skersmuo: 930 mm, tekinimo skersmuo virš slankiojančio stalo: 930 mm, tekinimo skersmuo virš viršutinio vežimo: 650 mm, tekėjimo ilgis: 8 000 mm, bendras ilgis: 10 500 mm, bendras plotis: 1 800 mm, bendras aukštis: 1 800 mm, veleno greitis (maks.): 800 aps./min, veleno greitis (min.): 8 aps./min, bendras svoris: 9 200 kg, The universal lathe PORĘBA TPK-90A1/8M has been comprehensively rebuilt and modernized by us. It features technical specifications that correspond to the documentation of a brand-new machine, meets WOT technical acceptance conditions and Polish standards, and also complies with EU requirements. The machine comes with a full 12-month warranty on spare parts and electrical systems. Availability: in stock, connected to power, available for inspection at any time. Bsdpfjyi U Rbjx An Hjwu Technical data: - Distance between centers/Turning length: 8000 mm - Swing over bed: 930 mm - Swing over carriage: 650 mm - Swing in gap: 1200 mm - Spindle bore diameter: 95 mm - Maximum workpiece weight between centers: 6,000 kg - Maximum workpiece weight between centers + 1 steady rest: 7,500 kg - Maximum workpiece weight between centers + 2 steady rests: 9,000 kg - Number of spindle speeds: 21 - Speed range (rpm): 8 - 800 - Number of feeds: 80 - Feed range (mm/rev): Longitudinal: 0.1 – 12.8 Cross: 0.05 – 6.4 - Motor power: 16/22 kW (1st gear / 2nd gear) - Installed inverter/variable frequency drive for soft start - Overall dimensions: - Total length: 10,500 mm - Width: 1,800 mm - Height: 1,865 mm - Total weight: 9,200 kg Standard equipment: tailstock, coolant pump, chuck guard, tool holder (without steady rests) Additional equipment available for extra charge: - 3- or 4-jaw chuck, various diameters and versions - Digital read out for 2 axes, including display, with installation and calibration - Steady rest 40-400 mm, with rollers - Steady rest 400-700 mm, with rollers - MULTIFIX quick-change tool post

Būklė: geras (naudotas), Gamybos metai: 2009, Conveyor belt, belt conveyor, transport belt, belt conveyor system - Manufacturer: Grenzebach, conveyor belt transport belt type ZFT - Speed: frequency-controlled - Conveyor belt length: 1440 mm Bsdpfsv Tl A Eex An Hswu - Belt width: 395 mm - Drive: SEW-Eurodrive 0.075/0.37 kW 280-1400/14-72 rpm - Quantity: 1x conveyor belt available - Dimensions: 1450/1370/H400 mm - Weight: 129 kg

Būklė: geras (naudotas), Gamybos metai: 2009, Conveyor belt, belt conveyor, transport belt, belt-driven conveyor - Manufacturer: Grenzebach, conveyor belt transport belt type ZFT - Speed: frequency-controlled - Conveyor belt length: 1440 mm Bwedjv Tl Dcjpfx An Hou - Belt width: 395 mm - Drive: SEW-Eurodrive 0.075/0.37 kW 280-1400/14-72 rpm - Quantity: 1 conveyor belt available - Dimensions: 1450/1370/H900 mm - Weight: 128 kg

Būklė: geras (naudotas), Gamybos metai: 2009, Padėties kompiuteris, kompiuteris, valdymo blokas, robotų valdymas, valdymas, CNC valdymas, valdymo pultas, kompiuterio monitorius, ekranas, TFT pramoninis monitorius -Gamintojas: Grenzebach, kompiuteris su monitoriumi Bwedpfx Asvn I Dnsn Hju -Kompiuteris: BR Elektronik, Mini PC 8000 tipas -Monitorius: IQ Automation Flatman TFT ekranas, tipas FK170SBRGD001 -Atskiri komponentai: žr. nuotraukas -Kiekis: 2x kompiuteriai su monitoriumi -Kaina/pardavimas: už vienetą -Transportavimo matmenys: 480/400/H210 mm -Svoris: 13 kg/vnt.

Būklė: beveik kaip naujas (naudotas), Funkcionalumas: visiškai funkcionalus, Naudota medienos impregnavimo vonia po kapitalinio remonto. Matmenys: 6,5 m x 1,35 x 1,5 m aukštis, 6 m platforma. Automatinis valdymas. Bsdpfx Asx Azqajn Hewu

Būklė: geras (naudotas), Conveyor belt, belt conveyor, transport belt, belt conveyor system - Belt width: 2x 50 mm - Width: adjustable - Conveyor length: 1440 mm - Drive: 0.37 kW - Speed: 71 rpm - Conveyor belt rotatable via servo motor - Height: adjustable Bjdpfsb A Hdgex An Hjwu - Dimensions: 1440/550/H950 mm - Weight: approx. 150 kg

Gamybos metai: 2009, būklė: geras (naudotas), cross transfer unit, roller conveyor, roller track, powered roller conveyor, roller conveyor, roller track with discharge conveyor - Robust construction - Electrically driven - Drive motor for roller conveyor: 0.37 kW, 71 rpm - Drive motor for discharge belt: 0.37 kW, 88 rpm - Roller width: 1,440 mm - Conveyor length: 1,400 mm - Discharge belt length: 1,400 mm - Pneumatic lifting - Roller diameter: 105 mm - Rollers: rubber-coated - Shaft diameter: 25 mm - Conveyor height: 950 mm, adjustable Bwedsb A Himspfx An Hju - Drive: via timing belt - Dimensions: 1,450/1,650/H1,000 mm - Weight: 420 kg

Būklė: geras (naudotas), Gamybos metai: 2009, Conveyor belt, belt conveyor, transport belt, belt-type conveyor Bjdpjb A Hxhefx An Hewu - Belt width: 2x 30 mm - Width: adjustable - Conveyor length: 1450 mm - Equipped with frequency inverter integrated into the geared motor - Drive power: 0.075–0.37 kW - Speed: 14–72 rpm - Height: adjustable - Quantity: 1 conveyor belt available - Price: per piece - Dimensions: 1680/1380/H960 mm - Weight: approx. 130 kg

Gamybos metai: 2009, būklė: geras (naudotas), Roller conveyor, roller track, powered roller conveyor, roller conveyor - Robust design - Electrically driven - With frequency inverter integrated in the geared motor - Drive power: 0.075–0.37 kW - Speed: 14–72 rpm - Roller width: 820 mm - Conveyor length: 2450 mm - Roller diameter: 105 mm - Rollers: rubber-coated - Shaft diameter: 25 mm - Conveyor height: adjustable, 1250 mm - Driven: via belt - Quantity: 3 roller conveyors available - Price: per unit - Dimensions: 2580/1380/H1250 mm - Weight: approx. 230 kg Bodpob A I Uwjfx An Howu

Gamybos metai: 2009, būklė: geras (naudotas), Roller conveyor, roller track, powered roller conveyor, conveyor track -Manufacturer: Grenzebach, roller conveyor type RFS, robust design -Drive motor: 0.18 kW, 76 rpm -Internal width: 1015 mm -Conveying length: 1250 mm -Axle spacing: 250 mm -Roller spacing: 250 mm -Rollers: rubber-coated -Conveying height: adjustable Bwodpetlzdfofx An Hou -Quantity: 2 roller conveyors available -Price: per unit -Dimensions: 1460/1200/H750 mm -Weight: 211 kg/unit

Gamybos metai: 2009, būklė: naudotas, Roller conveyor, roller table, powered roller conveyor, roller track - Manufacturer: Grenzebach, roller conveyor type RFS with rotating unit - Drive motor: 0.18 kW, 76 rpm - Intermediate dimension: 1500 mm - Conveyor length: 1250 mm - Axle spacing: 250 mm - Roller spacing: 250 mm - Rollers: rubber-coated Bodpotlzd Rofx An Hswu - Conveyor height: adjustable - Rotating unit: 1040 x 1040 mm / see photos - Quantity: 1x roller conveyor available - Dimensions: 1700/1680/H700 mm - Weight: 301 kg

Gamybos metai: 2009, būklė: naudotas, Roller conveyor, roller track, powered roller conveyor, conveyor track -Manufacturer: Grenzebach, Roller Conveyor Type RFS with guide rails -Drive motor: 0.37 kW, 76 rpm -Clear width: 1000 mm -Conveying length: 1250 mm -Axle spacing: 250 mm -Roller pitch: 250 mm -Rollers: rubber-coated -Conveying height: adjustable -Guide system: adjustable approx. 645 to 725 mm / see photos -Quantity: 1x roller conveyor available -Dimensions: 1400 x 1260 x H750 mm Bwedpfxotlzf Dj An Hou -Weight: 245 kg

Būklė: dilaminuotas dirbtuvėje (naudotas), Gamybos metai: 2026, Funkcionalumas: visiškai funkcionalus, veleno skylė: 105 mm, tekėjimo skersmuo: 1 350 mm, tekinimo skersmuo virš slankiojančio stalo: 1 350 mm, tekinimo skersmuo virš viršutinio vežimo: 1 000 mm, bendras ilgis: 5 500 mm, bendras plotis: 2 130 mm, bendras aukštis: 1 550 mm, bendras svoris: 12 300 kg, ruošinio svoris (maks.): 11 000 kg, veleno tvirtinimas: MK 6, The PORĘBA TR-135B/4M universal lathe has been comprehensively rebuilt and modernized by us. It features technical specifications that match the technical and operational documentation of a new machine, meets the technical acceptance conditions of the WOT and Polish standards, and also complies with EU requirements. The machine comes with a full 12-month warranty on spare parts and electrics. Bedpfx Aoflaxvsn Hewu Availability: General overhaul to order; delivery time 3.5 months from order placement. Technical data: - Centre distance / turning length: 4000 mm - Swing over bed: 1350 mm - Swing over cross slide: 1000 mm - Swing in gap: 1650 mm - Spindle bore: 105 mm - Max. workpiece weight between centers: 8,000 kg - Max. workpiece weight between centers + 1 steady rest: 10,000 kg - Max. workpiece weight between centers + 2 steady rests: 11,000 kg - Number of spindle speeds: 21 - Speed range (rpm): 5 - 630 - Number of feeds: 80 - Feed range (mm/rev): Longitudinal: 0.07 – 10 Cross: 0.035 – 5 - Motor power [kW]: 27/41 (1st gear / 2nd gear) - Overall dimensions: - Total length: 6500 mm - Width: 2130 mm - Height: 1550 mm - Total weight: 12300 kg Standard equipment: tailstock, coolant pump, chuck guard, tool holder Additional equipment available at extra cost: - 3- or 4-jaw chuck, various diameters and versions - Digital Read Out for 2 axes, including display, installation and calibration - Steady rest 40-400 mm, with rollers - Steady rest 400-700 mm, with rollers - Steady rest 450-900 mm, with rollers - MULTIFIX quick-change toolpost

Būklė: naujas, Type of plant: Stationary concrete batching plant with twin-shaft mixer Plant capacity: 200 m³/h of compacted fresh concrete Mixer capacity: 7,500/5,000 liters (5 m³ of compacted concrete) Central Lubrication System Brand: ILC (made in Italy) Control system: fully automatic PC - PLC - printer. Electronic equipment: Siemens Other equipment and accessories: Italian Unlimited users and remote access Installation and commissioning of the plant are under our responsibility. 24/7 SERVICE. Export of over 1,000 concrete batching plants to more than 90 countries. * HIGH EFFICIENCY AND DOUBLE PRODUCTION * EASY MAINTENANCE * SUITABLE FOR WORKING IN HARSH CONDITIONS Bwodpfxoflz Ino An Hsu * RCC CONCRETE PRODUCTION CAPACITY

Būklė: visiškai atnaujintas (naudotas), Gamybos metai: 2026, Funkcionalumas: visiškai funkcionalus, veleno skylė: 120 mm, tekėjimo skersmuo: 1 350 mm, tekinimo skersmuo virš slankiojančio stalo: 1 350 mm, tekinimo skersmuo virš viršutinio vežimo: 1 000 mm, tekėjimo ilgis: 6 000 mm, bendras ilgis: 8 500 mm, bendras plotis: 2 130 mm, bendras aukštis: 1 550 mm, veleno greitis (maks.): 630 aps./min, veleno greitis (min.): 5 aps./min, bendras svoris: 14 100 kg, ruošinio svoris (maks.): 11 000 kg, veleno tvirtinimas: MK 6, The universal lathe PORĘBA TR-135B1/6M has been extensively rebuilt and modernized by us. It features technical parameters that correspond to the technical and operational documentation of a new machine, fulfills the technical acceptance conditions of the WOT and the Polish standard, and also meets EU requirements. The machine comes with a full 12-month warranty on spare parts and electrics. Availability: order-based complete overhaul, delivery time 3.5 months from commissioning Technical data: - Distance between centers / turning length: 6000 mm - Swing over bed: 1350 mm - Swing over support: 1000 mm - Swing in gap: 1650 mm - Spindle bore diameter: 120 mm - Maximum workpiece weight between centers: 8,000 kg - Maximum workpiece weight between centers + 1 steady rest: 10,000 kg - Maximum workpiece weight between faceplate + 2 steady rests: 11,000 kg - Number of spindle speeds: 21 - Speed range (rpm): 5 - 630 - Number of feeds: 80 - Feed range (mm/rev): Longitudinal: 0.07 – 10 Cross: 0.035 – 5 Top slide: 0.017 – 2.5 - Motor power: 27/41 kW (1st gear / 2nd gear) - Overall dimensions: - Total length: 8500 mm - Width: 2130 mm - Height: 1550 mm - Total weight: 14100 kg Standard equipment: tailstock, coolant pump, chuck guard, tool holder Bjdpfx Anofhk Ins Hjwu Additional equipment available at extra charge: - 3- or 4-jaw chuck, various diameters and versions - Digital Read Out (DRO) for 2 axes, incl. display, with installation and calibration - Steady rest 40-400 mm, with rollers - Steady rest 400-700 mm, with rollers - Steady rest 450-900 mm, with rollers - MULTIFIX quick-change toolpost

Būklė: dilaminuotas dirbtuvėje (naudotas), Funkcionalumas: visiškai funkcionalus, sukimosi skersmuo virš skersinio stumduko: 670 mm, tekėjimo ilgis: 3 000 mm, tekėjimo skersmuo: 800 mm, veleno skylė: 95 mm, quill skersmuo: 180 mm, tekinimo skersmuo virš slankiojančio stalo: 670 mm, ruošinio svoris (maks.): 4 500 kg, Įranga: dokumentacija / vadovas, AVAILABLE FROM STOCK. Technical specifications of CNC lathe with slant bed Model: TOK-80 CNC x 3m or 4m, offered after complete refurbishment: MANUFACTURER: FUM POREBA - Year of refurbishment ("ZAK"): 2026 - Swing over bed: 800 mm - Swing over carriage: 670 mm - Turning length: 3000 mm (immediately available) or 4000 mm (under refurbishment) - Spindle bore: 95 mm - Main motor: 55 kW - CNC control system: Siemens - Sinumerik 840 D sl (brand new) - Tooling system: 12-position automatic turret - Workpiece weight between centers: 6000 kg - Workpiece weight in chuck: 800 kg - Number of spindle speeds: 2 - Spindle speed range: 4–800 rpm - Tailstock quill diameter: Ø 180 mm - Tailstock quill travel: Ø 150 mm - Rapid traverse in Z and X axes: 5000 mm/min - Cross slide travel: 410 mm - Longitudinal travel: 3000 mm or 4000 mm Bwodpfxogpg I Ro An Hsu - Machine dimensions (for 3m version): H - 2900 mm, W - 2705 mm, L - 8135 mm - Machine weight: 24,000 kg (for 3m turning length)

Būklė: visiškai atnaujintas (naudotas), Gamybos metai: 2026, Funkcionalumas: visiškai funkcionalus, veleno skylė: 105 mm, tekėjimo skersmuo: 1 350 mm, tekinimo skersmuo virš slankiojančio stalo: 1 350 mm, tekinimo skersmuo virš viršutinio vežimo: 1 000 mm, tekėjimo ilgis: 3 000 mm, bendras ilgis: 5 500 mm, bendras plotis: 1 800 mm, bendras aukštis: 1 800 mm, bendras svoris: 11 400 kg, ruošinio svoris (maks.): 11 000 kg, veleno tvirtinimas: MK 6, The universal lathe PORĘBA TR-135B/3M has been comprehensively rebuilt and modernized by us. It features technical specifications that are consistent with the technical and operational documentation of a new machine, complies with the acceptance conditions of WOT and Polish standards, and also fulfills EU requirements. The machine comes with a full 12-month warranty on spare parts and electrical components. Availability: General overhaul on order, delivery time 3.5 months from commissioning. Technical data: - Distance between centers / turning length: 3000 mm - Swing over bed: 1350 mm - Swing over cross slide: 1000 mm - Swing in gap: 1650 mm - Spindle bore diameter: 105 mm - Maximum workpiece weight between centers: 8,000 kg - Maximum workpiece weight between centers + 1 steady rest: 10,000 kg - Maximum workpiece weight between centers + 2 steady rests: 11,000 kg - Number of spindle speeds: 21 - Spindle speed range (rpm): 5 - 630 - Number of feeds: 80 - Feed range (mm/rev): Longitudinal: 0.07 – 10 Cross: 0.035 – 5 - Motor power [kW]: 27/41 (1st gear / 2nd gear) - Overall dimensions: - Total length: 5500 mm - Width: 2130 mm - Height: 1550 mm - Total weight: 11400 kg Standard equipment: tailstock, coolant pump, chuck guard, tool holder Bwedpfjdy I I Aex An Heu Additional equipment available at extra cost: - 3- or 4-jaw chuck, various diameters and versions - Digital Read Out for 2 axes, incl. display, with installation and calibration - Steady rest 40-400 mm, with rollers - Steady rest 400-700 mm, with rollers - Steady rest 450-900 mm, with rollers - MULTIFIX quick-change tool post