Gear hobbing machine

Liebherr SS 5- K/500

Condition: used, Year of construction: 1969, grinding height 60 mm grinding width 120 mm grinding wheel diameter 600 mm grinding length mm workpiece height 60 mm total power requirement 50 kW weight of the machine ca. 7000 kg dimensions of the machine ca. m D I S K U S (Germany) Double Side Vertical Spindle Surface Grinder, C-Frame Design, with Rotary Workpiece Feeding System and Automatic Dressing Device Model DDS 600 CR-A Year 1969 Serial-No. 6672 _____ Grinding wheels Ø x bore, each 600 mm Grinding wheels height x width, approx. 60 mm Workpiece dimensions: Grinding height x grinding width, approx. 60 x 120 mm Vertical adjustment of each grinding head 150 mm External Ø of workpiece carrier disk, approx. 810 mm Feeds of rotary workpiece feed system 14 – 145 mm/sec Giedot Hw N Hopfx Anxet Grinding wheel speeds, each, infinitely variable 765 rpm (24 m/s) Grinding spindle drive, each 22 kW Total electrical load, approx. 50 kW - 380 V - 50 Hz Total weight, approx. 7,000 kg Accessories / Special Features: * Rotary workpiece feed system with infinitely variable speed adjustment prepared with workpiece carrier disk approx. dia. 800 mm with relevant workpiece shaped pockets and after the grinding the parts will be automatically sorted out and collected in a collector box. * IONIC – Size Control Unit Model Nr. 9 So with measuring probe for the ground workpieces and with signal for the hydraulic infeed of the grinding wheel when size is not in order. * Automatic Dressing Device for the grinding wheels, hydraulically operated and with the automatic return of the grinding wheels after dressing cycle to the previously adjusted position and to continue the working cycle. Dressing cycle can be presetted by a timer or a manual release. * Manually operated infeed device of the Spindle slide to optimal workpiece thickness. * Spindle drives controlled by Ampere-Meters. * Separate switch cabinet. * Separate hydraulic unit. * Various carrier disks, etc. * Safety covers. * Central lubrication. * Large Coolant device with paperbandfilter This machine is ideal for double-sided simultaneous grinding of parallel workpiece surfaces by continuous method, for maximum output and accuracy in mass production (e.g. Piston rings, washers, hydraulic parts, and other punched parts.) Condition : Good . Machine can be inspected under power. Delivery : Ex stock, as inspected. Payment : Net, after conclusion of contract.

Year of construction: 1999, condition: excellent (used), Control system: CNC-controlled and manual operation PC P 2000 MMX-PCI Desktop ATX 15" color display, keyboard CNC-Turbo Roughness for WINDOWS TECHNICAL DATA Granite test plate (DIN 876) Godpfelxyp Hox Anxoit Length x Width 1200 x 500 mm Accuracy grade Grade 2 Flatness: 16.6 µm Weight 250 kg Linear traversing unit Waveline 60 Basic Measuring stroke 60 mm Resolution 0.014 µm Measuring column Wavelift 400 CNC Travel distance 400 mm Positioning repeatability < 10 µm Machine dimensions (W x D x H) 1.8 x 0.8 x 2.2 m Weight 600 kg EQUIPMENT/ACCESSORIES  Complete enclosure with electrically operated roller shutters  Granite plate 1200 x 500 mm  ISEL feed axis with ball screw  Workpiece support plate  Linear feed unit Waveline 20/60  Measuring column Wavelift 400 CNC  Tilting unit KEG 60 on the measuring column, manual for Waveline  Built-in kit for roughness measurement  Built-in kit for contour measurement  Various probes and holders for roughness and contour measurements  Machine table  Emergency stop button on the machine table  Calibration set  Support prisms  Maintenance unit for compressed air preparation  Air damping elements for supporting the granite plate  Documentation

Condition: used, max. wheel diameter 180 mm gear width 45 mm max. module 4 min. module 0,5 stroke length max. 0 - 52 mm spindle taper innen MK 4 table diameter 160 mm table bore diameter 75 mm no. of strokes 355 - 630 Hub/min Godpfx Aotycg Sonxsit feed range 0,008 - 0,4 mm/Hub dimensions of the machine ca. 2,30 x 1,50 x 2,36 m power capacity 6 kW weight of the machine ca. 2.500 kg With rack and pinion unit Change gear set Year of construction: Approx. 1981

Condition: excellent (used), Grinding length without magnetic table: 1500 mm Maximum grinding width: 750 mm X-axis longitudinal travel: 1520 mm Y-axis transverse travel: 650 mm Z-axis vertical travel: 690 mm Grinding wheel diameter: 406 x 100 mm Spindle speed: 1400 rpm Weight: 8600 mm Giedpewlh Adsfx Anxst Accessories: Braillon magnetic table 1000 x 500 mm Elcon 3 electronic control

Condition: used, Year of construction: 1992, Technical details: x-travel: 800 mm y-travel: 550 mm z-travel: 500 mm spindle taper ISO: SK 40 control: Philips 532 quill stroke vertical: 80 mm turning speed range: 0-600 und 600-4000 steples U/min feed:: 1 - 3000 mm/min. rapid traverse: 6 m/min table surface area: 1100 x 600 mm table feed: 1 - 3000 /stufenlos mm/min switched on hours: 82194 h total power requirement: 9,6 (12 kVA) kW weight approx.: 4200 kg dimension machine xH: 2,9 x 2,2 x 2,5 m The machine is located in the technical department. further technical data: - vertical adjustment table (z-axis) 500mm - Headstock throat depth: min./max.: 200 / 750 mm Equipment: -coolant tank with pump Gjdpou Nda Eofx Anxeit -Manual control unit (hand operated) -linear measuring system Heidenhain *

Condition: used, Year of construction: 1992, spindle speed (min.): 7,500 rpm, spindle speed (max.): 24,000 rpm, 4 motorized grinding spindles (liquid-cooled, purge air / oil mist lubrication) including REFU HF frequency converter, e.g. for powering the spindles of a Voumard 400 CNC T4. Grinding spindle GMN TSSV 170-7500 7,500 rpm, 350V, 19.3A, 7.5kW, 250 Hz Grinding spindle Voumard BM15-170 15,000 rpm, 350V, 35A, 18kW, 250 Hz Grinding spindle Voumard BM18-15032 18,000 rpm, 350V, 28.5A, 12kW, 600 Hz Grinding spindle Voumard BM24-150 Gijdsl Tn Afspfx Anxjt 24,000 rpm, 350V, 27A, 12kW, 800 Hz REFU HF Converter 316/25 High-frequency converter (inverter, frequency inverter) Frequency converter / inverter for powering motor spindles GMN tool spindle, motorized grinding spindle The spindles are fully functional, sold as is – manufacturing year approx. 1992 A collection of various grinding spindle shafts / arbors for grinding wheels is available for these spindles and can be purchased separately. Price / details on request All technical data subject to error or omission. We sell exclusively to countries within the European Community.

Condition: refurbished (used), Year of construction: 2021, functionality: fully functional, center height: 150 mm, workpiece weight (max.): 130 kg, grinding length: 1,500 mm, grinding wheel diameter: 500 mm, total width: 2,155 mm, total length: 5,465 mm, total height: 1,700 mm, grinding diameter: 300 mm, grinding wheel width: 63 mm, The cylindrical grinding machine was fully overhauled in 2021 and has hardly been used since. The condition of the machine is practically like new. Giedpfx Asx A Dfysnxst Equipment as shown in the photos. The machine is connected to power and can be inspected at any time by prior arrangement. Technical specifications: Grinding diameter: 300 mm Grinding length: 1500 mm

Condition: good (used), Studer S30-12 cylindrical grinding machine TECHNICAL DATA Giedpsvca Izofx Anxot Main dimensions Center height: 125 mm Center width: 400 / 700 / 1025 mm Largest longitudinal slide path: 400 / 700 / 1000 mm Longitudinal slide Table speed: 50 - 5000 mm/min Reversing delay: 0-6 s Smallest automatic travel: 1.5 mm Max. stroke: 400 / 700 / 1020 mm Max. Table inclination: 12 / 30 / 78° Cross slide Swivel range: +- 45° Quick adjustment: 40 mm Feed path with handwheel: 20 mm Largest plunge depth: 1.7 mm Sanding headstock Grinding wheel diameter x width x bore: 450 x 80 x 203 mm Speed: 1340 / 1500 1625 / 1800 / 2000 / 2200 rpm Coarse adjustment: 210 mm Workpiece headstock Swivel range: 0 - 90 Speed range: 30 - 675 rpm Mounting cone: Morse 5 Collets: W25 Tailstock Mounting cone: Morse 3 Adjustment travel of the center: 30 mm Total power requirement: 5 / 8.25 kW No liability is assumed for the correctness, completeness and up-to-dateness of the information.

Condition: used, machine/vehicle number: 7979, Table Ø: 400 mm Table with 8 T-slots: 12 mm Overall height: 175 mm Gjdpfx Aob Ez R Usnxjit Space requirement: 600 x 450 x 175 mm Weight: approx. 100 kg

Condition: reconditioned (used), functionality: fully functional, turning diameter over cross slide: 690 mm, spindle bore: 150 mm, turning diameter: 1,040 mm, turning diameter over top slide: 690 mm, center height: 500 mm, center width: 2,000 mm, spindle speed (max.): 5,000 rpm, travel distance X-axis: 160 mm, travel distance Z-axis: 380 mm, bar passage: 55 mm, Center height: 500 mm Distance between centers: 2.000 mm Maximum turning diameter: Over cross slide: 690 mm Over bed: 1.040 mm Over gap: 1.070 mm Bed width (hardened guides): 670 mm Gap length: 480 mm Gap length in front of the faceplate: 320 mm CARRIAGE Length of bed guideways: 1.020 mm Cross slide travel: 640 mm Compound slide travel: 360 mm SPINDLE Spindle nose: ASA 15’’ Spindle bore diameter: 150 mm Front bearing size (NN): 200 / 310 / 82 mm Rear bearing size (NNU): 190 / 260 / 69 mm Internal Morse taper reduction sleeve: No. 6 Number of spindle speeds: 24 Speed range: 4 ÷ 800 rpm THREADING Total number of threads: 398 Metric threads: 0.5 ÷ 224 mm Module threads: mod. 0.25 ÷ 11 Whitworth threads: 56 ÷ 1/8 TPI Diametral pitch threads: 112 ÷ 1/4 DP Giodpfx Aeyhhuwsnxot FEEDS Number of feeds: 108 Longitudinal, cross and compound feeds: 0.05 ÷ 22.4 mm/rev RAPID TRAVERSES Longitudinal, cross and compound: 2.500 mm/min Longitudinal return: 5.000 mm/min TAILSTOCK Quill diameter: 130 mm Quill Morse taper: No. 6 Quill travel: 420 mm STEADY RESTS Bed steady rest capacity: 140 ÷ 500 mm Carriage steady rest capacity: 40 ÷ 350 mm PERMISSIBLE LOAD Cantilever load: approx. 1.500 kg Between centers, without steady rest: approx. 5.000 kg Between centers, with steady rest: approx. 6.000 kg Machine weight: approx. 7.800 kg