HVC 140 - Motor spindle for milling and grinding

The HVC 140 platform offers a broad range of metal-working solutions, not just outstanding spindles. The platform concept serves mold makers and inner grinding applications.
The HVC 140 spindle platform accommodates housing diameters as small as 140mm, with speeds from 10,000 to 42,000 rpm, moderate power from 3 to 10 kW S1 and torque from 3 to 16 Nm S1. 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. The Spindle Exchange Program (SEP) guarantees no more than 24 hours of downtime (EU) to maximize machine availability and minimize capital investment in spindles.

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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 140 - Tool Maker

Dimensions / weight	ø140 x 480 mm / 36 kg
Speed (n^max)	42’000 rpm
Torque S1 / S6 40%	3.25 Nm / 4.25 Nm
Power S1 / S6 40%	10 kW / 13 kW
Interfaces	HSK E40 / C40
Through Spindle Coolant	O, H₂O, oil, Co2, MQL
Lubrification	oil-air, grease
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 HVC140 - One Touch

Dimensions / weight	ø140 x 480 mm / 36 kg
Speed (n^max)	42’000 rpm
Torque S1 / S6 40%	6.5 Nm/ 8.8 Nm
Power S1 / S6 40%	10 kW / 13.5 kW
Interfaces	HSK E40 / C40
Through Spindle Coolant	O, H₂O, oil, Co2, MQL
Lubrification	oil-air, grease
Cooling	OptiCool, Option: CoolCore (Shaft cooling)
Sensors	Encoder, Tool Position Monitoring, Temperature, Vibration, axial expansion (option)
Software (options)	Spindle Diagnostic Software, Spindle Monitoring Software

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