HPC 240 - Motor spindle for milling and grinding

The HPC 240 platform offers a broad range of metal-working solutions, not just outstanding spindles. The platform concept serves mold makers and part-production applications.
Ideal for roughing and finishing precision parts, the HPC 240 spindle platform accommodates housing diameters as small as 240mm, with speeds from 10,000 to 25,000 rpm, power from 24 to 50 kW S1 and torque from 52 to 248 Nm S1. Twin Air Sealing (TAS) broadens application suitability to include contamination-free production in dirt-sensitive materials such as graphite. Easy-to-implement tilting head solution boosts efficiency.

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 HPC 240 - One Touch

 

Dimensions / weight ø240 x 694 mm / 152 kg
Speed (nmax)18’000 rpm
Torque S1 / S6 40%159 / 202 Nm
Power S1 / S6 40%30 / 38 kW
InterfacesSK 40, SK 50. HSK A/C/T 63, HSK A/T 80, HSK A/T 100
Through Spindle CoolantO, H2O, oil, Co2, MQL
Lubrificationoil-air / grease
Cooling OptiCool, Option: CoolCore (Shaft cooling)
SensorsEncoder, Tool Position Monitoring, Temperature, Vibration, axial expansion (option)
Mill-Turn functionInterlock (SSL) 500 Nm
Software (options)Spindle Diagnostic Software, Spindle Monitoring Software
Step-Tec HPC 240 - Tool Maker

 

Dimensions / weight ø240 x 694 mm / 150 kg
Speed (nmax)26’000 rpm
Torque S1 / S6 40%60.3 / 76.4 Nm
Power S1 / S6 40%30 / 38 kW
InterfacesHSK A/C 63, HSK F 80
Through Spindle CoolantO, H2O, oil, Co2, MQL
Lubrificationoil-air
Cooling OptiCool, Option: CoolCore (Shaft cooling)
SensorsEncoder, Tool Position Monitoring, Temperature, Vibration, axial expansion (option)
Software (options)Spindle Diagnostic Software, Spindle Monitoring Software
Step-Tec HPC 240 - Preciprod

 

Dimensions / weight ø240 x 694 mm / 152 kg
Speed (nmax)12’000 rpm
Torque S1 / S6 40%239 / 302 Nm
Power S1 / S6 40%30 / 38 kW
InterfacesSK 50. HSK A/C/T 63, HSK A/T 80, HSK A/T 100
Through Spindle CoolantO, H2O, oil, Co2, MQL
Lubrificationoil-air / grease
Cooling OptiCool, Option: CoolCore (Shaft cooling)
SensorsEncoder, Tool Position Monitoring, Temperature, Vibration, axial expansion (option)
Mill-Turn functionInterlock (SSL) 500/800 Nm
Software (options)Spindle Diagnostic Software, Spindle Monitoring Software

Industries

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