ESTARTA-175 / ESTARTA-250Precision centerless grinding

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Centerless grinding

These machines have been specially developed to achieve maximum versatility in conjunction with maximum productivity.

Infeed and throughfeed grinding.
Short production runs, ensuring fast component changeovers
OPTIMISED CYCLE TIME. High speeds 23620 Sfpm (120m/s) for applications with CBN wheels.

The optimized design of this grinding machine range gives maximum accessibility for different adjustments and machine set up, getting the maximum versatility. ESTARTA-175 and ESTARTA-250 centerless grinding machines feature linear motors for grinding and regulating, wheels dressers for high speed and precision dressing and natural granite bed for thermal stability. Designed to grind as an option with high-speed technology with CBN wheels.

Infeed centerless grinding

Throughfeed centerless grinding

Advantages

Natural granite bed

Machine bed manufactured from natural granite, best thermal stability and optimal vibration damping

High-stiffness direct drive on main slides
High precision in wheel profiling. Linear motors on diamond dressers.
Cantilever spindle support - Built in house. Easy to maintain and highly durable. Rapid components changeover, for a grinding wheel peripheral speed range of 3940 Sfpm (20m/s)- 23620 Sfpm (120m/s)
Rapid component changeover. Automatic grinding wheelhead opening, automatic taper adjustment, among others
Unique software for centerless grinding machines.

The main machining information is shown in a single display.
Multiple optional integrated modules & software

AUTOMATED SOLUTIONS. To guarantee short production times and thus increase productivity, a number of automation systems can be built into ESTARTA machines, for both infeed or throughfeed and in hybrid solutions that require the combination of both

Technical data

		ESTARTA-175	ESTARTA-250
Max. workpiece diameter	mm	40	150
Max. workpiece diameter	in	1.57	5.90
Grinding wheel diameter (OD x width x ID)	mm	Ø508 x175 x Ø304.8	Ø650 x 250 x Ø304.8
Grinding wheel diameter (OD x width x ID)	in	Ø20 x 6.88 x Ø12	Ø26 x 9.84 x Ø12
Max. grinding wheel peripheral speed	m/s	120	120
Max. grinding wheel peripheral speed	sfpm	23620	23620
Regulating wheel dimensions (OD x Width x ID)	mm	Ø305 x 175 x Ø127	Ø400 x 250 x Ø203,2
Regulating wheel dimensions (OD x Width x ID)	in	Ø12 x 6.88 x Ø5	Ø16 x 9.84 x Ø8
Main motor	kW	11 - 22	22 - 37
Main motor	hp	14.75 - 29.5	29.5 - 49.6
Net weight	kg	8000	12000
Net weight	lb	17630	26450