Gerd Wolff Gls-75 Hochleistungskreissäge nakup rabljenega (7.273)

Stanje: novo, Leto izdelave: 2023, Širina plošče: 2500 mm Globina plošče: 3000 mm Višina plošče: 300 mm Teža / kg Pritrdilne plošče – T-utorne plošče – Polje plošč 2500 x 3000 x 300 mm Če želenih mer ne najdete, nam lahko pošljete e-pošto z izpolnjenim PDF obrazcem. Na podlagi tega lahko za vas izdelamo individualno prilagojeno ploščo. Število utorov: 10 Oddaljenost od roba: 66 mm Razmak med utori: 22 mm Kakovost litine: HT250 Tedpeyk Imfjfx Aqtob Ravnost manj kot 0,12 mm. Površina obdelana po DIN 876/III.

Stanje: novo, Širina plošče: 2000 mm Globina plošče: 2000 mm Višina plošče: 300 mm Teža: 3250 kg Potrebni prostor približno: 2000 x 2000 x 300 mm Vpenjalna plošča: 2000 x 2000 x 300 mm Če želenih dimenzij niste našli, nam lahko pošljete tudi e-pošto z izpolnjenim PDF obrazcem. Na podlagi tega vam lahko izdelamo ploščo po meri. Število utorov: 7 Razdalja od roba: 100 mm Razdalja med utori: 300 mm Velikost utora: 28 x 52 mm Kakovost litega železa: HT250 Teža: 3250 kg Todpfx Aqeyk Imljtsb Ravnost manj kot 0,12 mm. Površina obdelana po DIN 876/III

Stanje: novo, Širina plošče: 2000 mm Globina plošče: 1500 mm Višina plošče: 310 mm Teža: 2385 kg Potrebni prostor pribl. 2000 x 1500 x 300 mm Vpenjalne plošče – plošče z T-utori – polje plošč 2000 x 1500 x 310 mm Če niste našli želene dimenzije, nam lahko pošljete e-pošto z izpolnjenim PDF obrazcem. Tako vam lahko izdelamo ploščo po meri. Število utorov: 5 Robni razmak: 135 mm Medosna razdalja utorov: 270 mm Širina utora: 28 mm Kakovost lite železo: HT250 Tjdey S Dupspfx Aqtjb Ravnost manj kot 0,12 mm Površina obdelana po DIN 876/III

Stanje: novo, Pressure: 60 t Max. stroke: 300 mm Max. bending capacity (flat): 300 x 16 mm Working speed: 10 mm/sec Control: NC Tool height: 300 mm Total power requirement: 5.5 kW Machine weight approx.: 1,530 kg The Gerd Wolff HP 60 is a hydraulic horizontal press brake with a wide range of combination options. Tjdpfexfb Ikox Aqteb Whether tube bending, profile punching, or sheet metal cutting – with the appropriate accessories, the HP 60 is a multifunctional machine among all presses. Standard accessories - ergonomic tool clamping table - easy tool change - hydraulic speed and pressure adjustment - easily adjustable back gauge - induction-hardened support pins - NC control Highlights - control panel with digital display - easy tool change - hardened support pins - hydraulic speed control The HP 60 is manufactured for our sales brand "GERD WOLLF Maschinenfabrik" by a renowned manufacturer in Turkey. The images are for orientation purposes only and do not represent scale-accurate depictions of the machine.

Stanje: novo, Plate width: 3000 mm Plate depth: 1000 mm Plate height: 600 mm Weight: 4200 kg GERD WOLFF Clamping Cube 3000 x 1000 x 600 mm If you have not found your desired size, simply send us an email with the completed PDF form. This will allow us to offer you a customized plate tailored to your specific requirements. T-slot size: 38 x 22 mm Tsdpfsymf H Iox Aqteb T-slot pitch: 140 mm Number of slots: 10 Edge distance: 80 mm Weight: 4200 kg Cast iron grade HT250 Flatness less than 0.12 mm Surface machined to DIN 876/II Keywords: Clamping cube, cubic clamping table, multi-side clamping, angle clamping cube, precision cube, CNC clamping cube, clamping angle, machine cube, 90-degree clamping device, drilled hole cube, modular clamping cubes, workpiece positioning, assembly cube, locating cube, clamping block

Stanje: novo, Leto izdelave: 2025, Table length: 1000 mm Table width: 2000 mm Table height: 200 mm Weight: 650 kg Manufacturer: GERD WOLFF Technical details: - Length: 2000 mm - Width: 1000 mm - Height: 200 mm - Weight: 650 kg - Hole diameter: 28 mm - Hole spacing: 100 mm - Plate thickness: 25 mm Advantages and features: - 3-day gas nitriding process - Enhanced corrosion resistance - Anti-adhesion protection against weld spatter - Maximum load capacity - Increased fatigue strength - Improved vibration resistance - Fine scaling - Reinforced underside with weld seams and ribs - Optimum working height: 820–865 mm - 6x height-adjustable legs - Matching accessory set available (optional) Our welding tables are manufactured in HT 300 cast quality and nitrided in one piece after machining. In addition, these tables feature precise fine scaling engraved by laser technology. For optimal stability, our welding tables are reinforced on the underside with weld seams and ribs (see images). These tables also undergo a 3-day gas nitriding process, which further increases their corrosion resistance, fatigue, and vibration resistance. Tjdpfxeymf I Se Aqtsb All our tables are equipped with adjustable legs. The minimum leg adjustment range is 620 mm, the maximum is 665 mm; this enables a variable working height from 820 to 865 mm. Other available sizes: - 1000 x 1000 x 200 mm - 2000 x 1000 x 200 mm - 1200 x 1200 x 200 mm - 1500 x 1000 x 200 mm - 1500 x 1500 x 200 mm - 1500 x 2000 x 200 mm - 2000 x 3000 x 200 mm - 3000 x 1500 x 200 mm - 3000 x 2000 x 200 mm - 4000 x 2000 x 200 mm - 2400 x 1200 x 200 mm Images are for illustration purposes only and may not represent the original size. Our welding tables are manufactured for our sales brand "GERD WOLLF Maschinenfabrik" by a reputable producer. 3D Welding Table – 3D Clamping Systems – 3D Precision Welding Table

Stanje: novo, Plate width: 2000 mm Plate depth: 1000 mm Plate height: 310 mm Weight: 1650 kg Space requirement: approx. 2000 x 1000 x 300 mm Clamping plates – T-slot plates – Plate field 2000 x 1000 x 310 mm If you have not found the size you require, you can also send us an email with the completed PDF form. This allows us to manufacture a custom plate tailored to your specifications. Number of T-slots: 3 Clamping plates – T-slot plates – Plate field 2000 x 1000 x 310 mm If you have not found the size you require, you can also send us an email with the completed PDF form. This allows us to manufacture a custom plate tailored to your specifications. Number of T-slots: 3 Edge distance: 185 mm Slot spacing: 270 mm Slot width: 28 mm Casting quality: HT250 Todpfeymf Rmex Aqteb Flatness: less than 0.12 mm Surface machined to DIN 876 Edge distance: 185 mm Slot spacing: 270 mm Slot width: 28 mm Casting quality: HT250 Flatness: less than 0.12 mm Surface machined to DIN 876/III

Stanje: novo, Cutting diameter: 660 mm Bandsaw blade dimensions: 9000 x 54 x 1.6 mm Cut width: 1.6 mm Cutting capacity at 90° - round: 660 mm Cutting capacity at 90° - square: 650 x 650 mm Cutting capacity at 90° - rectangular: 650 x 1080 mm Cutting capacity at 45° - round: 660 mm Cutting capacity at 45° - square: 650 x 650 mm Cutting capacity at 45° - rectangular: 650 x 670 mm Tsdpfxsymf R Te Aqteb Cutting capacity at 30° - round: 410 mm Cutting capacity at 30° - square: 410 x 410 mm Cutting capacity at 30° - rectangular: 650 x 410 mm Total power requirement: 5.5 kW / 2775 Nm Machine weight approx.: 7,100 kg Space requirement approx.: 2,500 x 2,200 x 4,500 mm The KSY 2DT 650 is a semi-automatic, column-guided horizontal bandsaw. Additionally, the machine features a driven roller table, with each the front and rear table measuring 2 meters in length. Furthermore, the machine is equipped with a spray mist cooling system. Fitted with a linear-guided saw frame, the KSY 2DT 650 enables precise and rapid mitre cuts. Standard Specifications - Chip brush - Hydraulic blade guide - Hydraulic vice - Hydraulic blade tensioning - Automatic angle rotation - PLC touchscreen - Blade breakage switch / stop system - LED lighting - Chip conveyor - Transport - 2 pieces of 2-meter roller tables - USB port output Optional Specifications - Motorised system for roller table - Laser line - Lubrication mist system - Extra double roller table Images are for reference only and do not represent a true-to-scale depiction of the machine.

Stanje: novo, Saw blade diameter: 550 mm Speed: 3580 rpm Saw blade bore: 32 mm Control: NC Total power requirement: 3 kW Machine weight approx.: 250 kg Space requirements approx.: 980 x 1130 x 1430 mm The Gerd Wolff AC 550 is an automatic aluminium cutting machine, manufactured by a renowned producer in Turkey exclusively for our sales brand "GERD WOLLF Maschinenfabrik." CUTTING CAPACITY: Cutting range at 90° round: 155 mm Cutting range at 90° square: 155 x 155 mm Cutting range at 90° rectangular: 260 x 200 mm Cutting range at 45° round: 130 mm Cutting range at 45° square: 130 x 130 mm Cutting range at 45° rectangular: 180 x 200 mm Standard equipment: - Indexing points for 15° – 22.5° – 30° – 45° – 67.5° - Locking lever for securing at intermediate angles - Adjustable cutting speed for various profile types - Saw guard with safety switch - Belt-driven saw - Two-hand safety operation - Easy-to-change saw blade - 2 x pneumatic vertical cylinders with clamps - 1 x air blow gun Optional equipment: Todpfoymf Tbsx Aqteb - Hydrocheck – Hydraulic feed rate adjustment for aluminium profiles - Cooling system for aluminium cutting - Auxiliary conveyor with rulers

Stanje: novo, Leto izdelave: 2025, Diameter: 28 mm Length: 50 mm Clamping range: 45-50 mm The price is exclusive of statutory VAT. Also available as D28 x 75 mm (clamping range 70–75 mm). The clamping range is between 45–50 mm. Type: Ball Lock Pin 50 mm Diameter: 28 ± 0.02 mm Material: 45# steel Hardness: HRC28–32 Surface roughness: Ra 0.8 µm GERD WOLFF ball lock pins are specialized fastening elements designed for integration into various welding table systems and fixtures. Their main function is the efficient and precise positioning and securing of workpieces. These pins are compatible with welding tables of all brands featuring a bore diameter of 28 mm. The unique ball design allows flexible alignment of the workpieces at various angles and positions. With high-quality craftsmanship and robust construction, GERD WOLFF ball lock pins provide reliable holding force throughout the entire welding process. Todpfx Aqoymf Urotsb These pins ensure easy operation, quick fixing and release of workpieces—without the need for additional tools. GERD WOLFF stands for quality and precision in welding technology, and the ball lock pins are engineered to meet the demanding requirements of welding applications. Ball lock pin D28, clamping pin 28 mm, ball locking mechanism 75 mm, precision pin D28, clamping tool 75 mm, industrial clamping technology D28, clamping fixtures 75 mm, ball clamping technology D28, assembly pin 28 mm, clamping systems 75 mm, pin clamp 28 mm, tool clamping pin 75 mm, assembly technology D28, ball clamping tools 28 mm x 75mm Quick release locking pins, quick lock pins, quick releases, quick installation pin, metal horizontal quick release, working pin, quick release locking pin, quick latch pin, locking quick release pins

Stanje: novo, Wellendurchmesser 40 mm Durchmesser der unteren Welle 138 mm Oberer Wellendurchmesser 138 mm Motorleistung 1,1 / 380 kW / V Arbeitsgeschwindigkeit 6 m/min Tsdpfx Aoyn R Ugsqtob Maschinengewicht ca. 230 kg Raumbedarf ca. 750 x 600 x 1400 mm Die Gerd Wolff PK 40 ist eine Rohrbiegemaschine welche für unsere Vertriebsmarke "GERD WOLLF Maschinenfabrik", von einem renommierten Hersteller aus der Türkei gefertigt wird. Standardzubehör und technische Daten - Blechrahmen - 2 Unterwalzen werden angetrieben - Direkte Antriebsleistung - Obere Walze ist im Leerlauf (freie Rotation) - Gehärtete Rollen - Gehärtete Wellen aus Spezialstahlwerkstoff - Standardrollen - Verstellbare Führungsrollen - Horizontale und vertikale Arbeitsposition Optionale Ausstattungen - Rohrbiegerollen - Profilbiegerollen - Winkelbiegerollen - Digitales Auslesen - Optionale seitliche Winkelführungen Die PK 40 wird für unsere Vertriebsmarke "GERD WOLLF Maschinenfabrik", von einem renommierten Hersteller aus der Türkei gefertigt.

Stanje: novo, Leto izdelave: 2023, Širina plošče 1000 mm Globina plošče 5000 mm Višina plošče 300 mm Todpfx Aqjyk Ihijteb Teža stroja cca. / t Potreben prostor cca. 5000 x 1000 x 300 mm

Stanje: novo, Premer reza 650 mm Dolžina tračnega lista 7730 x 54 mm Širina reza 1,3 mm Krmiljenje polavtomatsko Območje reza - kvadratno 650 x 650 Območje reza - ploščato 650 x 750 Skupna priključna moč 5,5 kW / 750 Nm Teža stroja pribl. 4550 kg Potrebni prostor pribl. 2100 x 1550 x 3900 mm Model KSY 650 x 1050 je polavtomatska horizontalna tračna žaga z vodili po stebrih. Poleg tega ima stroj pogonjen valjčni transportni trak, ki meri na sprednji in zadnji strani po 2 metra. Opcijske specifikacije: Tjdpfx Aqjyk Ih Aotjb - Motoriziran sistem za valjčni transportni trak - Laserska črta - Dodaten dvojni valjčni transportni trak - PLC zaslon - Protisistemski sistem proti vibracijam Slike služijo le kot informacija in ne predstavljajo natančnega merila stroja.

Stanje: novo, Angle iron/leg length / mm Double-T beam over x-axis / mm U-section over x-axis / mm Total power requirement: 4/380 kW Machine weight: approx. 1645 kg Space required: approx. 1500 x 1000 x 1400 mm The Gerd Wolff HPK-80 is a hydraulic profile and tube bending machine with 3 rolls. The machine is ideally suited for bending profiles, tubes, and similar materials. Model: HPK 80 Upper shaft diameter: Ø 80 mm Lower shaft diameter: Ø 70 mm Roll diameter: Ø 245 mm Working speed: 7 m/min Motor power: 4.75 kW / 380 V Dimensions (L x W x H): 1500 x 1000 x 1400 mm Weight: 1645 kg Standard equipment Welded steel construction Tsdpjyk Im Esfx Aqtjb 3 driven rolls Hardened and ground shafts made from high-strength special steel Rolls hardened and ground Horizontal and vertical working positions Hardened standard rolls Mobile control panel Mechanical lateral guide rolls with 3 axes Brake motor for precise bending 2 digital displays Optional equipment Pipe, profile, and square bending rolls Hydraulic lateral guide rolls (2 axes) Automation with NC control

Stanje: novo, Leto izdelave: 2021, Teža / kg Material: železo 300 x 80 x 220 mm Tsdpfx Aqezcq N Totjb Velikost odprtine: 240 mm Magnetna moč: 10–20 kg Zaloga: 4

Stanje: novo, Plattentiefe 6000 mm Plattenbreite 1100 mm Plattenhöhe 200 mm Maschinengewicht ca. 4100 kg Raumbedarf ca. 6000 x 1100 x 200 mm GERD WOLFF Aufspannplatte 6000 x 1100 x 200 mm Wenn Sie Ihre gewünschte Größe nicht gefunden haben, senden Sie uns einfach eine E-Mail mit dem ausgefüllten PDF-Formular. Damit können wir Ihnen eine individuelle Platte anbieten, die auf Ihre Anforderungen zugeschnitten ist. Todpey S Dnvjfx Aqtsb T-Nuten - Breite: 42 x 22 mm T-Nuten - Abstand: 200 mm Anzahl der Nuten: 5 Randabstand: 125 mm Gussqualität HT250 Ebenheit weniger als 0,12 mm Oberfläche bearbeitet nach DIN 876/III Keywords: Aufspannplatte, Maschinentisch, Werkstückaufspannung,Befestigungsbohrungen, Spannsystem, Werkzeugaufspannfläche, Spannvorrichtung, T-Nutenplatte, Präzisionsplatte, Modulare Spannplatte, Bohrungssystem, Montageplatte, Werkstückbefestigung, CNC-Maschine Aufspannplatte, Maschinenunterbau

Stanje: novo, Leto izdelave: 2021, Teža / kg Todpfx Aqsy S Dxhetsb Nosilec MK / Material: železo 200 x 60 x 150 mm Velikost odprtine: 150 mm Magnetna sila: 10-20 kg Na zalogi: 4

Stanje: novo, Plattenbreite 1500 mm Plattentiefe 1500 mm Plattenhöhe 150 mm Gewicht 1300 kg GERD WOLFF Aufspannplatte 1500 x 1500 x 150 mm Tsdpfxsyk Iite Aqtob Wenn Sie Ihre gewünschte Größe nicht gefunden haben, senden Sie uns einfach eine E-Mail mit dem ausgefüllten PDF-Formular. Damit können wir Ihnen eine individuelle Platte anbieten, die auf Ihre Anforderungen zugeschnitten ist. T- Nuten - Breite: 45 x 22mm T-Nuten- Abstand: 250mm Nutenanzahl: 6x6 Randabstand: 125mm Gussqualität HT250 Ebenheit weniger als 0,12 mm Oberfläche bearbeitet nach DIN 876/III Keywords: Aufspannplatte, Maschinentisch, Werkstückaufspannung, Befestigungsbohrungen, Spannsystem, Werkzeugaufspannfläche, Spannvorrichtung, T-Nutenplatte, Präzisionsplatte, Modulare Spannplatte, Bohrungssystem, Montageplatte, Werkstückbefestigung, CNC-Maschine Aufspannplatte, Maschinenunterbau

Stanje: novo, Širina plošče: 3000 mm Todpeyk Ik Defx Aqteb Globina plošče: 1500 mm Višina plošče: 300 mm Teža: 3580 kg Potreben prostor ca. 3000 x 1500 x 300 mm GERD WOLFF vpenjalna plošča 3000 x 1500 x 300 mm Če ne najdete želene velikosti, nam lahko pošljete e-pošto z izpolnjenim PDF obrazcem (v prilogi). Tako vam lahko izdelamo vpenjalno ploščo po vaših željah. Velikost T-utora: 52 x 28 Razmik med T-utori: 300 Število utorov: 5 Robni razmak: 150 Teža: 3580 kg Kakovost litega železa: HT250 Ravnina manj kot 0,12 mm Površina obdelana po DIN 876/III

Stanje: novo, Širina plošče 1000 mm Globina plošče 1000 mm Višina plošče 300 mm Teža 975 kg GERD WOLFF vpenjalna plošča 1000 x 1000 x 300 mm Če ne najdete želene velikosti, nam lahko pošljete tudi e-pošto Todpfx Ajyk Ilheqtsb z izpolnjenim PDF-obrazcem (v prilogi). Tako vam lahko izdelamo vpenjalno ploščo po vaših željah. T-utor – dimenzije: 52 x 28 Razmak T-utorov: 300 Število utorov: 3 Razdalja do roba: 200 Teža: 975 kg Kakovost litine HT250 Ravnost manj kot 0,12 mm Obdelava površine po DIN 876 / III

Stanje: novo, Dolžina 900 mm Širina 600 mm Višina 750 mm Teža / kg Delovna miza z vpenjalno ploščo na kolesih + 2 predala in 2 krilni vrati Stanje: Novo Vpenjalna plošča: Material: lito železo HT250 Površina obdelana po DIN 876 Tjdpfx Aqjyq S E Eeteb Število utorov: 3 Razdalja od roba: 140 mm Razmik med utori: 135 mm Širina utora: 14 mm Višina utora: 24 mm Dobavljeno sestavljeno – takoj pripravljeno za uporabo

Stanje: novo, Plate depth: 4000 mm Plate width: 2000 mm Plate height: 600 mm Weight: 6700 kg GERD WOLFF Clamping Cube 4000 x 2000 x 600 mm If you have not found your desired size, simply send us an email with the completed PDF form. This allows us to offer you a customised plate tailored to your requirements. T-slot size: 52 x 28 T-slot spacing: 500 mm Number of slots: 8 x 8 Edge distance: 250 mm Weight: 6700 kg Tsdpfxeymf I Es Aqtob Cast quality: HT250 Flatness less than 0.12 mm Surface machined according to DIN 876/II Keywords: Clamping cube, Cubic clamping table, Multi-sided clamping, Angle clamping cube, Precision cube, CNC clamping cube, Clamping angle, Machine cube, 90-degree clamping device, Bore hole cube, Modular clamping cube, Workpiece positioning, Assembly cube, Fixing cube, Clamping block

Stanje: novo, Cutting diameter: 1100 mm Bandsaw blade length: 11,000 x 67 mm Cutting width: 1.6 mm Cutting range at 90 degrees (square): 1100 x 1100 mm Todpfx Aqoymf Ryjtob Cutting range at 90 degrees (flat): 1100 x 1300 mm Total power requirement: 7.5 kW / 3100 Nm Machine weight: approx. 8,700 kg Space required: approx. 2,800 x 1,700 x 5,200 mm The KSY 1100 x 1300 is a semi-automatic, column-guided horizontal bandsaw. This machine is available for immediate delivery. Chips are removed via a conveyor spiral. A chip bin approx. 60 x 50 x 40 cm is included in the scope of delivery. The roller tables can be moved forwards and backwards via the control panel. On the outfeed side, there is a roller table measuring 1.40 x 1.00 meters. On the infeed side, there is a motorized roller table measuring 2 x 1.40 meters. Optional specifications: - Motorized system for roller table - Laser line - Extra double roller table - PLC display - Anti-vibration system The images are for reference only and do not represent a true-to-scale depiction of the machine.

Stanje: novo, Table length: 3000 mm Table width: 2000 mm Table height: 200 mm Weight: 1700 kg Manufacturer: GERD WOLFF Technical details: Including 8 support legs • Length: 3000 mm • Width: 2000 mm • Height: 200 mm • Weight: 1700 kg • Hole diameter: 28 mm • Hole spacing: 100 mm • Plate thickness: 25 mm Benefits and Features • 3-day gas nitriding process • Increased corrosion resistance • Anti-adhesion surface for welding spatter • Maximum load capacity • Increased fatigue strength • Increased vibration resistance • Fine laser-engraved scale • Reinforced with weld seams and ribs on the underside • Optimal working height of 820-865 mm • 8x height-adjustable support legs Todpfsymf R Hsx Aqtsb • Compatible accessory set available (optional) Our welding tables are manufactured from HT 300 cast iron quality and nitrided as a whole after machining. Additionally, these tables feature a precise fine scale, engraved using laser technology. To ensure proper stability, our welding tables are reinforced underneath with weld seams and ribs (see images). Furthermore, each table undergoes a 3-day gas nitriding process, significantly increasing corrosion resistance as well as fatigue and vibration strength. All our tables are equipped with adjustable legs. The minimum adjustment range is 620 mm, the maximum is 665 mm. This enables a variable working height from 820 to 865 mm. Other available dimensions: • 1000 x 1000 x 200 mm • 2000 x 1000 x 200 mm • 1200 x 1200 x 200 mm • 1500 x 1000 x 200 mm • 1500 x 1500 x 200 mm • 1500 x 2000 x 200 mm • 2000 x 3000 x 200 mm • 3000 x 1500 x 200 mm • 3000 x 2000 x 200 mm • 4000 x 2000 x 200 mm • 2400 x 1200 x 200 mm The illustrations are not to scale and are for reference purposes only. Our welding tables are manufactured for our distribution brand "GERD WOLLF Maschinenfabrik" by a renowned producer. 3D welding table – 3D clamping fixtures – 3D precision welding table

Stanje: novo, Table length 1000 mm Table width 1000 mm Table height 200 mm Weight 300 kg Our welding tables are manufactured in cast iron grade HT 300. All welding tables are also available in a nitrided version. To ensure good stability, our welding tables are reinforced with ribs on the underside. Todjymf Tujpfx Aqteb • Plate thickness: 25 mm All our tables are equipped with adjustable legs. The minimum adjustment range is 620 mm, the maximum is 665 mm. This allows for a working height of 820 – 865 mm. Hole diameter: 28 mm Further details regarding the manufacturing process and the features of our tables can be found in our catalogue. The accessories shown are not included in the product scope. 3D welding table – 3D clamping systems – 3D precision welding table