HVC/HPC 150 - Motor spindle for milling/grinding

The HVC/HPC 150 platform offers a broad range of metal-working solutions, not just outstanding spindles. The platform concept serves mold makers and part-production applications.
The ultra-flexible HVC/HPC 150 spindle platform accommodates housing diameters as small as 150mm, with speeds from 12,000 to 40,000 rpm, good power from 23 to 60 kW S1 and torque from 16 to 75 Nm S1. With an HSK-A63 interface, the spindle achieves 30,000 rpm. The Opticool system and COOL-Core technology provide polar temperature stability for repeatable, reliable machining processes. For multiple-process machining, including grinding and milling, P2-quality bearings back the stiff bearing assignment to yield minimal runout. Achieve surface quality up to Ra = 0.03 μm with the extremely round shafts that we manufacture in house.

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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/HPC 150 - One Touch

Dimensions / weight	ø150 x 579 mm / 55 kg
Speed (n^max)	24’000 rpm
Torque S1 / S6 40%	31 / 41 Nm
Power S1 / S6 40%	23 / 30 kW
Interfaces	HSK A/C/ 63, HSK F 80
Through Spindle Coolant	O, H₂O, oil, MQL
Lubrification	oil-air
Cooling	OptiCool, Option: CoolCore (Shaft cooling)
Sensors	Encoder, Tool Position Monitoring, Temperature, Vibration, axial expansion (option)
Software (options)	Spindle Diagnostic Software, Spindle Monitoring Software

Step-Tec HVC/HPC 150 - Tool Maker

Dimensions / weight	ø150 x 468 mm / 40 kg
Speed (n^max)	36’000 rpm
Torque S1 / S6 40%	16 / 21 Nm
Power S1 / S6 40%	25 / 33 kW
Interfaces	HSK C/E 50, HSK F 63
Through Spindle Coolant	O, H₂O, oil, MQL
Lubrification	oil-air
Cooling	OptiCool, Option: CoolCore (Shaft cooling)
Sensors	Encoder, Tool Position Monitoring, Temperature, Vibration, axial expansion (option)
Software (options)	Spindle Diagnostic Software, Spindle Monitoring Software

Industries

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