ESTARTA-175 / ESTARTA-250 - Centreless grinding machine

Precision centreless grinding
ESTARTA-250 centreless grinding machine DANOBAT
ESTARTA-250 centreless grinding machine DANOBAT

DANOBAT presents the ESTARTA-175 and ESTARTA-250 centreless grinding machines. Aimed at small-batch manufacturing. These are centreless 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 centreless 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 centreless grinding

Infeed centreless grinding

Throughfeed centerless grinding

Throughfeed centerless grinding

Characteristics

 

 

ESTARTA-175

ESTARTA-250

Component size (min./max.)

mm

01/40

1-100

in

0.04/1.57

0.03-4

Infeed grinding length (max.)

mm

200

250

in

8

10

Grinding wheel dimensions (OD x Width x ID)

mm

Ø500 x 175 x Ø203,2

Ø610 x 200 x Ø304,8

in

Ø19.68 x 6.89 x Ø8

Ø14 x 8 x Ø12

Grinding wheel peripherial speed (min./max.)

m/s

35/120

63/120

ft/m

6889/23620

12400/23620

Regulating wheel dimensions (OD x Width x ID)

mm

Ø300 x 175 x Ø127

Ø610 x 200 x Ø304,8

in

Ø11.81 x 6.89 x  Ø5

Ø16 x 10 x Ø8

Main motor power

kW

11-15

30-45

hp

14,75-20,11

40-60

Net weight

kg

8000

12500

lb

17637

27550

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Applications

Machining test
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