Technical Specfications

max. workpiece diam. : 180 mm

Grinding head:

swivle angle of grinding head : +/-45 °

swiveling rapid travel : 18 °/s

spindle motor : 35 Kw

spindle speeds : 10.000 U/min

max. tangential travel : 230 mm

Tangential rapid travel max. : 10.000 mm/min

Tool diameter : 206 – 320 mm

Counter arm axial travel : 300 mm

rapid travel of counter supp. : 30 m/min

max. modul generating grinding : 6

Counter arm clamping force : 13 Kn

NC-dressing attachment:

no. of NC-axis : 1

profile depth with generating grinding : 20 mm

Profile depth – profile grinding : 33 mm

max. tool diameter : 150 mm

Workpiece handling automation:

max. load : 8 kg

max. length of work piece : 315 mm

Cooling attachment :

max. modul profile grinding : 12

filtration capacity : 500 l/min

cooling capacity : 50 KW

total power required : 33 KW

machine weight : 15 ton

distance between axis : 20 – 410 mm

max. radial speed : 10.000 mm/min

Rotary table:

table diameter : 145 mm

rotation speed of NC rotary table : 3000 U/min

max. axial travel : 660 mm

Equipment

CNC SIEMENS 840 D-SL

Control panel on operator side, hinged, screen 15 TFT.Operating field label with symbols

Multiple light for operating status display and fire extinguishing system

Telediagnostic: Machine control via VPN router with customer’s network

Safety integrated for NC axes, version with PROFISAFE

Machine column quick retraction for protection of workpiece and tool in case of power failure

Softwarepackage Corundum: Generating grinding / dressing (monoworm), profile grinding / dressing (roughing and finishing wheel), automatic centering, tooth correction, asyymetrical crowning conicity

Installed hydraulic unit

SKF consumption lubrication for guides and ballscrews

Measuring systems with sealing air

Coolant device for cooling and rinsing the tool and for flooding the bed

Table with direct drive, max speed 3000 tpm

NC-jet for following up the cooling jet to the decreasing diameters: Base support on bed of grinding head, linear carriage with AC-drive, travel 45 mm, flow sensor

Coolant nozzle for NC nozzle, nozzle width 55 mm, for tool diameter 202-320 mm, module range 1-6

Recirculation system for coolant system

Fully protected cabine

Operating door, manually open and close

Interior trim on the backrest, independent of the backstay arm or ring loader movable lifting plates

Threading-positioning on the table for centering the tool in pre-toothed worpieces with evenly distributed over the wheel circumference tooth gaps, or for positioning of the tool to holes, grooves or nubs in the workpiece

Dimensional control device, displaceable on the grinding head with a measuring position. The probe sequentially scans the position of various control surfaces. The machine control calculates correction values from the measured values.

Hydraulic clamping device

Interface clamping cylinder

Column of high rigidity for axial travel of 660 mm

NC counter-support, travel programmable, max. 300 mm, collision monitoring for the downward movement

Counter-support interface with closing head system HSK-A 50

Handheld control unit for SIEMENS 840 D type HT 2

Additional control panel installed on the belt in the housing

Coolant cleaning system for corundum, consumption-free, HOFFMANN HSF 200, with cooling unit.

Flushing attachment for clamping devices in- and outside

Flushing hand-gun

Electrostatic air cleaner

Threading sensor with amplifier, module range 1-1.5

Handling device with rotary arm on the couter support with electr. hoist for loading and unloading tools and fixtures

Grinding head as NC swivel head (A1-axis) with digital drive

CO2 fire extinguishing system

Ring loader RL B1 with 2 stations. Lowering the workpiece in the work room with max. 100 mm stroke with digital drive. The change of workpiece is made by a 180 ° rotary movement with digital drive

2 parallel grippers for RL B1, max. 8 kg per gripper

Quick change system for gripper inserts

Electrical integration of external automation into the machine

Clamping device with hydr. mandrel; 8mm

Gripper inserts hardened for 2 parallel grippers with workpiece diameter 130 – 180 mm

Additional software for dressing grinding worms in a two-flank process. The right and left flanks of the worm are profiled and sharpened at the same time. For multi-start worms, each gear is dressed separately.

Special program warm-up cycle

Machine was only 1 year in production, excellent condition!

Option: Pallet conveyor system including pallets made by WEKAL

Clamping of ginding tool in main bearing HSK-100

Grinding head GH 4.0 with watercooled, direct drive grinding spindle 35 KW, max. speed 10.000 rpm, tangential axis (V1-axis) with roller linear guide system, tangentioal travel 230 mm

Electro-mechanical balancing system for balancing of corundum tools in the machine

NC dressing unit with 1 NC axis for dressing grinding worms or form grinding wheels with an independent, frequency-controlled spindle, controlled by machine control

Control cabinet with machine control SIEMENS 840 D (SL), control with integr. PLC in the control cabinet, in conjunction with SIEMENS drive technology