ESTARTA-175 / ESTARTA-250 - Centerless grinding machine

Precision centerless grinding
ESTARTA-250 Centerless grinding machine DANOBAT
ESTARTA-250 Centerless grinding machine DANOBAT

Danobat presents the ESTARTA-175 and ESTARTA-250 centerless grinding machines. Aimed at small-batch manufacturing. These are centerless grinding machines with a cantilever wheel head designed to reduce the loss of rigidity typically found on head constructions of this type.

They have been specially developed to achieve maximum versatility in conjunction with maximum productivity. Cantilever configuration will offer the required flexibility to those customers sensitive to today’s fast change over requirements. The machine is also prepared to grind at high speed (120 m/s with CBN technology) paying special attention to rigidity.

In the aim of achieving the best dynamic performance, the revolutionary wheelhead design of the centerless grinders from DANOBAT has been also included. This design maximizes the regulating spindle stiffness.

Grinding wheel width: up to 250 mm

Grinding wheel peripheral speed: up to 120 m/s

Machining processes

Infeed centerless grinding

Infeed centerless grinding

Throughfeed centerless grinding

Throughfeed centerless grinding

Characteristics

 

 

ESTARTA-175

ESTARTA-250

Maximum workpiece diameter

mm

40

150

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

in

Ø20 x 6.88 x Ø12

Ø26 x 9.84 x Ø12

Max. grinding wheel peripheral speed

m/s

120

120

SFPM

23620

23620

Regulating wheel dimensions (OD x Width x ID)

mm

Ø305 x 175 x Ø127

Ø400 x 250 x Ø203,2

in

Ø12 x 6.88 x Ø5

Ø16 x 9.84 x Ø8

Main motor

kW

11 - 22

22 - 37

hp

14.75 - 29.5

29.5 - 49.6

Net weight

kg

8000

12000

lb

17630

26450

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Applications

Machining test
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