Gear cutting machines

max. wheel diameter 250 mm︱gear width 130 mm︱max. module 6 ︱min. module ︱Control SINUMERIK 840 C ︱total power requirement ca. 40 kVA︱weight of the machine ca. 3.500 kg︱dimensions of the machine ca. 3,74 x 2,6 x 2,6 m︱

---

5-axis gear hobbing machine / Brand: PFAUTER / Type: P 253 CNC Original year of construction: 1985, Modernization: 2002 (RICHARDON GmbH) The retrofit in 2002 to a 5-axis control system - SINUMERIK 840 C - was carried out by RICHARDON GmbH and included: Modification of the drive kinematics, i.e. partial and differential change gears have been removed. The axles were fitted with digital drives. Most of the mechanics were removed. The milling head was given a tangentil axis. The machine can be inspected by appointment under power. Condition: ready for immediate use. TECHNICAL DATA: Working area: - Max. Module in steel with approx. 600 N/mm² tensile strength: 6 mm - Straight gears: * Max. Tool diameter: 250 mm * Max. Axial slide travel: 250 mm - Min. Number of workpiece teeth: 4 Workspace dimensions: - Diameter of the workpiece table: 250 mm - Diameter of the table bore: 63 mm - Diameter of the workpiece mandrel: 30 mm - Max. Gear hobber: * Diameter: 130 mm * Length: 160 mm - Diameter of the milling arbours: 22, 27, 32, 40 mm - Centre distance between milling cutter and workpiece: * Min. Distance: 10 mm * Max. Distance: 210 mm - Mounting cone for cutter arbours: 4 Morse taper - Max. Milling cutter displacement: 115 mm Speeds and feeds: - Milling cutter speeds: * Five-stage V-belt pulley, adjustable in stages: 125 - 400 rpm * DC main drive: 100 - 400 rpm - Axial feed: 0,63 - 6,30 mm/WU - Radial feed: 0,25 - 2,50 mm/WU - Tangential feed: 0,20 - 2,00 mm/WU Electrical equipment: - Operating voltage: 400 V three-phase - Control voltage: 230 V alternating current - Magnet voltage: 24 V direct current - Frequency: 50 Hz - Connected load of the machine: approx. 40 kVA Electrical cabinet with integrated cooler for temperature control. Weight and space requirements: - Machine weight: approx 3.500 kg - Length/Width/Height: 3,74 x 2,6 x 2,6 m There is no guarantee for correctness and completeness of the technical details and accessories. - Subject to prior sale -

max. wheel diameter 400 mm︱gear width 300 mm︱max. module 8 ︱min. module 3 ︱total power requirement 55 kW︱weight of the machine ca. 11 t︱dimensions of the machine ca. 3,15 x 2,5 x 2,75 m︱

---

Gear Hobbing Machine - Vertical / Brand: SAMPUTENSILI (Hurth Modul) Type: WF 350 / Year of construction: 2001 The machine can be inspected by appointment under working condition. Condition: Functional / ready for use. New electrical cabinet cooling in February 2024. General information on the high-performance compact machine: Universal use: - Gear hobbing Straight and helical gears Crowned conical toothing Worm gear wheels Multiple toothing Special profiles - Skive hobbing - Mould milling - HSS or carbide milling cutter - Wet or dry processing - Small, medium and large-scale production - Backlash-free twin-screw drive up to 120 rpm TECHNICAL DATA: Workpiece data: - Durchmesser max.: 400 mm - Module max.: 8 mm - Module min.: 3 mm Workspace - Workpiece: Workpiece table: - Diameter: 250 mm - Bore diameter: 150 mm - Depth: 270 mm - Feed rate radial: 40/270 mm - Feed rate axial: 200 - 600 mm Workspace - Tools: - Milling cutter diameter max.: 130/175 mm - Milling cutter length max.: 300 mm - Tangential path: 240 mm - Swivelling angle: +/- 45 degree Motorised milling head: - Spindle power: 14 kW * Backlash-free transmission of the rotary motion from the motor spindle to the milling spindle * Infinitely variable speed control within the ranges * Cutter arbour clamping device (clamping: mechanical, releasing: hydraulic) * Tangential slide guide: hydraulically clamped * Milling head swivelling on roller bearings with automatic clamping * Highly dynamic control with digital interface to the CNC control system * Interference immunity, high synchronisation quality Speeds, feeds, rapid traverses: - Milling speeds: 225 - 1.800 rpm - Workpiece speeds: 0,1 – 30 rpm Feed, rapid traverse: - radial: 0,1 – 5.000 mm/min - axial: 0,1 – 5.000 mm/min - tangential: 0,1 – 2.500 mm/min Electrics, control system: - Milling cutter drive: 18,5 kW - Total power requirement: 55 kVA - CNC path control (5-axis and milling spindle): Sinumerik 840C Machine dimensions: - Length x Width: 3.150 x 2.500 mm - Height: 2.750 mm - Weight net max.: 11.000 - 13.000 kg EQUIPMENT: - CNC path control (5-axis and milling spindle): Sinumerik 840C * Integrated programmable logic controller * Data exchange via interfaces * Remote diagnosis via modem - Emulsion equipment - Dry milling equipment (combination extraction system, chip deflector plates) - Oil mist cutting system for wet machining - Magnetic chip conveyor (width: 250 mm, discharge height: 1.000 mm) - Documentation There is no guarantee for correctness and completeness of the technical details and accessories. - Subject to prior sale -