/ Technische Änderungen und drucktechnische Irrtümer vorbehalten.

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2 EZ-0225-V10 Air Bearing Spindle High accurancy air bearing spindle with direct drive. Equipped with an water-cooled synchronous motor (frequency at nominal speed 400 Hz), Power output 1880 W. Rotary encoder for position controlled applications. Integrated release unit with 5,8 bar pressure supply. Mechanical specifications Length x Width x Height mm 390 x 135 x 122 Carrying capacity axial, push / pull N 1000 / 1000 Carrying capacity radial N 800 Max. tilting torque Nm 130 Air bearing runout, axial µm 0.05 Air bearing runout, radial µm 0.1 Stiffness, axial N/µm 150 Stiffness, radial N/µm 40 Stiffness, tilt Nm/µrad Moment of inertia kg m Supply pressure 1* bar 5 Air consumption Sl/min 35 Weight kg 16.8 Material, housing Aluminium Material, rotor Stainless steel Motor specifications Max. speed min Nominal torque Nm 3 Peak torque Nm 5 Nominal current A eff 5.8 Peak current A eff 9.7 Intermediate circuit voltage V eff 204 Electrical connection: 90 -connector on spindle Encoder 15pin, male Motor 9pin, male Encoder Number of lines of the grating disk 2048 Encoder signal standard (optional) 1Vpp Interpolation standard (optional) -

3 EZ-0225-V10 Air Bearing Spindle 389,7 382,4 1* Different supply pressure on request For air quality requirements see last pages of the catalogue. Patents: US 6,164,827, DE A1 Status 08/ ,005 A B A A B Detail A 122 0,005 A B 25 +0, ±0, ,5 0,005 A B 120,5 0,03 A B 6 x M10 0,05 A B 0, , ,5 ±0,05 R7,5 67,5 ±0, ,03 A B

4 EZ-1250 Air Bearing Spindle Air bearing high-frequency spindle for precicion machining. Equipped with an water-cooled asynchronous motor (frequency at nominal speed 1333 Hz), Power output 525 W. Integrated release unit with 5 bar pressure supply. Mechanical specifications Diameter x Height mm 76x266 Carrying capacity axial, push / pull N 200 / 170 Carrying capacity radial N 180 Max. tilting torque Nm - Air bearing runout, axial µm 0.1 Air bearing runout, radial µm 0.2 Stiffness, axial N/µm 10 Stiffness, radial N/µm 18 Stiffness, tilt Nm/µrad - Moment of inertia kg m Supply pressure 1* bar 5 Air consumption Sl/min 40 Weight kg 4.2 Material, housing Stainless steel Material, rotor Stainless steel Motor specifications Max. speed min Nominal torque Nm 0.64 Peak torque Nm - Nominal current A eff 1.3 Peak current A eff - Intermediate circuit voltage V eff 340 Encoder Electrical connection: Motor cable with M23-Powerconnector (6pin, male), standard cable length 1.5 m Number of lines of the grating disk - Encoder signal standard (optional) - Interpolation standard (optional) -

5 EZ-1250 Air Bearing Spindle 1* Different supply pressure on request For air quality requirements see last pages of the catalogue. Patents: US 6,164,827, DE A1 Status 08/2016 Lösedruck Spannzange muß vor und während des Betriebs ohne Druck sein / Collet actuation air inlet must be at zero pressure before and during running Motoranschluß / Electrical entry Motorkühlung Einlass / Motorcooling inlet Motorkühlung Auslass / Motorcooling outlet Luftversorgung Luftlager 6 / Bearing air inlet 6 30 Spannzange 6 mm / Collet 6 mm 4 1, h4-0 0, Luftlager-Abluft / Airbearing exhaust air Rückstellung Spannsystem muß vor und während des Betriebs mit Druck beaufschlagt sein / Collet reset must be at pressure before and during running

6 EZ-2418 Air Bearing Spindle 500 N Passive air bearing rotary table for high overturning moment loads. Mechanical specifications Diameter x Height mm 148 x 138 Carrying capacity axial, push / pull N 1400 / 800 Carrying capacity radial N 250 Max. tilting torque Nm 25 Air bearing runout, axial µm 0.3 Air bearing runout, radial µm 0.3 Stiffness, axial N/µm - Stiffness, radial N/µm - Stiffness, tilt Nm/µrad - Moment of inertia kg m Supply pressure 1* bar 5 Air consumption Sl/min 25 Weight kg 3.85 Material, housing Aluminium anodized black Material, rotor Stainless steel

7 EZ-2418 Air Bearing Spindle 500 N 1* Different supply pressure on request For air quality requirements see last pages of the catalogue. Patents: US 6,164,827, DE A1 Status 08/2016 Luftanschluss G 1/8 - Ø6 beidseitig / air supply G1/8 - Ø6 on both sides 6 x M6 9,5 8 x M6 12 A 0,01 A 8 x M h h h6 16 h

8 EZ-2418 Air Bearing Spindle 500 N Passive air bearing rotary table for high overturning moment loads. Also available with Diameters from 140 mm to 290 mm, loads from 500N to 5000 N and overturning moments from 25 Nm to 250 Nm. Ø Connecting shaft Mechanical specifications 1000 N 2000 N Diameter x Height mm 150 x x 163 Carrying capacity axial, push / pull N 2200 / / 2500 Carrying capacity, radial N Max. tilting torque Nm Air bearing runout, axial µm 0,3 0,3 Air bearing runout, radial µm 0,3 0,3 Stiffness, axial N/µm - - Stiffness, radial N/µm - - Stiffness, tilt Nm/µrad - - Moment of inertial kg m² 0,035 0,025 Supply pressure 1* bar 5 5 Air consumtion Sl/min Weight kg 4,85 13,6 Material, housing Aluminium schwarz eloxiert Material, rotor Aluminium hardcoat Ø Connecting shaft mm Ø 22 h6 Ø 32 h6

9 Air supply Air supply Description Value Remark Particle size class 2 maximum size of particles 1 µm Condensing point class 4 maximum condensing point + 3 C Contained oil class 2 maximum oil concentration 0,1 mg/m³ see DIN ISO Please note: Inspect and exchange the particle filter of the air service unit and drain the condensation water depending on daily use and pollution. Always monitor air bearings with a pressure switch to prevent the bearings from running with no or insufficient supply pressure.

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