Lapping machine

MELCHIORRE ELC 410 500

Year of construction: 1992, condition: used, grinding height 50 mm grinding width 120 mm grinding wheel diameter 600 mm total power requirement 85 kW weight of the machine ca. 9500 kg D I S K U S (Germany) CNC Controlled Double Sided Vertical Spindle Surface Grinder with Rotary Workpiece Feed System and IONIC Size Control Model DDS 600 III PLM - CNC Year 1992 erial No. 7924 _____ Grinding wheel Ø x bore x height, each 600 x 150 x 75 mm Approximate Workpiece dimensions: Grinding height, approx. 1.5 – 50 mm Grinding width, appox. 20 - 120 mm Vertical quill adjustment, each, approx. 150 mm Infeed of grinding wheels via CNC 0.0001 mm Feed of workpiece transportation device, infinitely variable 40 – 235 mm/sec Grinding wheel speed, each (30 m/s) 191 - 955 rpm Grinding spindle drive, each infinitely variable 37 kW Total electrical load, approx. 85 kW - 380 V - 50 Hz Weight, approx. 9,500 kg Accessories / Special Features * SIEMENS CNC Control, Model SINUMERIK 810 G, with monitor, for 4 axes i.e. * Movement of 2 spindle quills, dressing device, WP Rotation. Direct programming of Grinding Process data on keyboard. In connection with a IONIC Size Control No. 17 A / 68.000 with two tracers for measuring the thickness of the workpieces after grinding process, and corresponding Dsdpfxjt Hw Nao Abreul infeed of the grinding wheels. Continuous display of measuring results on the monitor, with statistics, workpiece counter, etc. Digital Display Ampere for both grinding wheel drives and for grinding spindle speeds, etc. . * Positioning control device for supervising the height of the lower grinding wheel.. * Double column design as a portal for extra stability and higher accuracy * Rotary workpiece transportation device with infinitely variable feeds. The workpieces are Manually stacked in a device and forwarded by a transportation carrier disk thru the grinding wheels, there are two WP- down holders, one equipped with a overheight stop-control. * Angled grinding wheel dressing device, with automatic dressing process, integrated in the control as CNC axis, with safety switch-off. * Separate large switch cabinet. * Automatic central lubrication. Large pneumatic control system * Large Coolant device 6 (F) with filtering unit and magnetic separator. * Various Grinding wheels, WP transport carrier disks, 2 flanges, large Olimist separator, etc. This machine is very suitable for simultaneous double-sided grinding of large series of workpieces, e.g. punched parts, piston rings, hydraulic parts, rotors, distance rings, etc. Condition : Very good. Machine can be soon inspected under power. Delivery : Ex stock, as inspected. Payment : Net, after conclusion of contract.

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 _____ Dedpot Hw N Hofx Abreul 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 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.

Condition: like new (used), Year of construction: 2018, functionality: fully functional, Used CNC lapping machine Make: MELCHIORRE S.r.l. Model: ELC Type: 1500 Djdpfx Aexg Ncxobrsul Year of manufacture: 2018 Serial No: 2780/08 Weight: 14,000 kg

Condition: used, TECHNICAL DETAILS Dedpsug U Dmsfx Abroul - Plate diameter : 348 [mm] - Part dimensions (rings) : approx. 70 [mm] - Part dimensions (full) : approx. 40 [mm] - Remaining work thickness : approx. 5 [mm] EQUIPMENT - Same as on photos

Condition: used, Year of construction: 1975, table diameter mm workpiece height mm number of wheels 2 total power requirement 11 kW weight of the machine ca. 4,2 t dimensions of the machine ca. m Dusdpfoub Al Iox Abrsl

Condition: used, TECHNICAL DETAILS - Plate diameter : 348 [mm] - Part dimensions (rings) : approx. 70 [mm] - Part dimensions (full) : approx. 40 [mm] - Remaining work thickness : approx. 5 [mm] Djdpfx Aoug U Dgsbrsul EQUIPMENT - same as on photos

Condition: used, Year of construction: 1976, table diameter mm Dujdpfjub Alusx Abrjl workpiece height mm number of wheels 2 total power requirement 11 kW weight of the machine ca. 4,2 t dimensions of the machine ca. m

Condition: used, Year of construction: 1974, table diameter mm Duodpfx Absub Alzerjl workpiece height mm number of wheels 2 total power requirement 8 kW weight of the machine ca. 4,2 t dimensions of the machine ca. m