– High-pressure aerostatic tool spindle with automatic springless HSK-E 32 tool interface (SLH-32) –
UASD-H32/A (Ansicht vorne)
About our “UASD-H32/A”
with axial (A) or radial spindle connections
High speeds of 80,000 rpm for micromachining
Increased load-bearing capacity and rigidity thanks to high-pressure aerostatic technology allow higher chip removal rates
Only available with a high-pressure aerostatic bearing system (UASD-H32A) (standard pressure variant only on request)
Automatic springless HSK-E 32 tool interface according to DIN 69893-5 (SLH-32)
Based on our numerous successes with high-pressure aerostatic technology, we have driven forward the development of our UASD-H32/A based on our tried-and-tested UASD-H25 and UASD-H25A. The models differ only in their interface and are technically identical. As with all our spindle solutions with HSK interface, the UASD-H32/A also uses our tried-and-tested, springless tool clamping system SLH-x in the size and shape HSK-E 32. This means that machine manufacturers who prefer a size 32 interface can now use our tool spindle. These spindles not only combine the speed and smooth running of aerostatic spindle systems, but also enable higher cutting performance thanks to the increased load capacity and rigidity. The integrated permanent magnet synchronous motor is designed in such a way that the overload limit of the motor is just below that of the bearing system, thus ensuring comfortable protection of the bearing system.
Tool interface Automatic spring-less HSK-E 32 tool interface (SLH-32) Housing diameter Ø 100 mm Length 408 mm Weight 16 kg max. Speed 0 - 60,000 rpm; 0 - 80,000 rpm Motor options 400 V max., "High-power", 0.7 Nm S1/ 200 V max., "High-power", 0.7 Nm S1 400 V max., "Iron-less", 0.33 Nm S1/ 200 V max., "Iron-less", 0.33 Nm S1 Angular position control 1 VSS SinCos, 80 lines, zero-flag Tool change system pneumatic, 3-bit clamping status monitoring, taper cleaning air Spindle cooling Thin-film liquid cooling Bearing system Aerostatic (ASD-H32/A), 6 - 10 bar *) High-pressure aerostatic (UASD-H32/A), 20 - 30 bar Accuracy, Dynamics Dynamic tool run-out < 0.8 micron **) Shaft Error in motion < 35 nm Spindle connectors UASD-H32A: axially outgoing UASD-H32: radially outgoing *) only with approval **) when using UTS-32 tool holder series
The patented high-pressure aerostatic bearing system of our UASD models is designed for operation with an air supply pressure of 20-30 bar. It enables a load capacity at the spindle nose verified in customer tests that corresponds to 300 % of the standard bearing at 6 bar. The new axial bearing design and the patented capillary technology significantly reduce the air flow rate and also enable economical use here.
Note: To operate the high-pressure variants UASD-H32A, you may need a different air compressor or an additional pressure booster.
Aerostatic Bearing High-pressure Aerostatic Bearing Tool interface ASD060H32A UASD060H32A **) Bearing air supply pressure [bar] 6 - 10 20 - 30 Available speed [rpm] 0 - 60,000 rpm 0 - 60,000 rpm Radial load capacity at the spindle nose [N] 330 900 Axial load capacity at the spindle nose [N] 650 1300 Static radial zero point stiffness at the spindle nose [N/ µm] 41 83 Static axial zero point stiffness at the spindle nose [N/ µm] 60 75 Static air consumption [NI/ min] 50 120 Dynamic tool run-out ***) [µm] < 0.4 < 0.5 Shaft Error in motion ***) [nm] < 23 < 30 **) all values at 20 bar bearing feed pressure (gauge pressure)/ ***) when using the UTS-32 tool holder series
UASD-H32/A (rear view)
Available flange option:
By thermally shrinking the spindle flange onto the spindle housing, we provide a reliable and structurally simple method of integrating the spindle into axially flanging and radially guiding headstocks.
We would be happy to advise you on your customised spindle connection.
Integrated ultrasonic processing
The UASD-H32/A is optionally available with integrated ultrasonic support – a technology that was developed specifically for materials that are difficult to machine, such as glass or ceramics. In addition to rotation, the tool is subjected to high-frequency axial vibration, which makes it possible to improve surface finishes and reduce tool wear.
Your contact
Do you have any questions, require further information or would like to purchase one of our products?
Then contact us at any time!
