HVC 120 - Motor spindle for milling and grinding

The HVC 120 platform offers a range of metal-working solutions, not just outstanding spindles. The platform concept serves mold makers and provides micromilling capabilities for the medical industry.
The HVC 120 spindle platform accommodates housing diameters as small as 120mm, with speeds from 48,000 to 75,000 rpm, moderate power from 6.5 to 10 kW S1 and torque from 1.5 to 2.7 Nm S1. Twin Air Sealing (TAS) broadens application suitability to include contamination-free production in dirt-sensitive materials such as graphite. The extreme roundness of our shafts – produced in house – aids in creating superior surface finishes up to Ra = 0.02 μm. Built-in acceleration sensor maintains compliance and process safety while it speeds up part approval.

Monitoring options

The Spindle Diagnostic Module (SDM; black box), combined with Step-Tec's patented acceleration sensor, records all process-relevant data, including vibration along three axes. SDM also monitors and time stamps collision events > 30g.

Compensation

Any undetected spindle movement or temperature increase can cause inaccuracies and flawed surface quality on the finished workpiece. Step-Tec provides various monitoring options for machine compensation, including several resistance thermometers, placement for traditional thermal compensation and optional Axial Movement Sensor (AMS). The combination of these data-acquisition capabilities with Step-Tec's outstanding thermal stability offers the best possible machine compensation to achieve outstanding precision and surface finishes.

Spindle Diagnostic Software (SDS)

Analysis and data-logging software enables our technicians to conduct remove evaluations of the machining process to offer recommendations for improvements. This capability increases spindle service life, and records behavior from initial commissioning onward, providing field service engineers with a powerful tool for onsite diagnosis of machining problems.

Spindle specifications

Step-Tec HVC 120 - Micromill

 

Dimensions / weight 
ø120 x 402 mm / 19 kg
Dimensions / weight  ø120 x 402 mm / 19 kg
Speed (nmax) 75’000 rpm
Torque S1 / S6 40% 1.5 / 1.7 Nm
Power S1 / S6 40% 10 / 13.5 kW
Interfaces HSK E 25
Through Spindle Coolant O, H2O, oil, MQL
Lubrification oil-air
Sensors Encoder, Tool Position Monitoring, Temperature, Vibration, axial expansion (option)
Software (options) Spindle Diagnostic Software, Spindle Monitoring Software

Step-Tec HVC 120 - Preciprod

 

Dimensions / weight 
ø120 x 429 mm / 22 kg
Dimensions / weight  ø120 x 429 mm / 22 kg
Speed (nmax) 60’000 rpm
Torque S1 / S6 40% 2.7 / 3.5 Nm
Power S1 / S6 40% 6.5 / 8.5 kW
Interfaces HSK E 32
Through Spindle Coolant O, H2O, oil, MQL
Lubrification oil-air
Sensors Encoder, Tool Position Monitoring, Temperature, Vibration, axial expansion (option)
Software (options) Spindle Diagnostic Software, Spindle Monitoring Software

Industries

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