gravostar W-20

Field of application:

Individual markings of any workpieces

with regular, uneven or rough surfaces

Tool specifications:

  • Use in machining centres, automatic lathes, etc.
    (no additional installations required)

  • Needle actuation via internal tool cooling system
    (required coolant pressure approx. 5 - 50 bar)

  • Standard version with 20 mm Weldon shank

  • Various HSK, SK or special tool holders (optionally available)

  • Needle adapters in various extensions (optionally available)

General information:

  • Integrated, automatic distance compensation up to approx. 1 mm
    (Regular marking depth also of uneven marking surfaces)

  • Extremely high resistance to wear of the hard metal marking needle

    • The needle can be easily replaced in only a few steps

  • Can be used for almost all machinable materials
    (hardness up to approx. 62 HRC)

  • Extremely high degree of process reliability due to easy pulse control integra-
    ted into the tool

  • Very short marking time

    • Embossing frequency of the marking needle: approx.300 Hz

    • Feed speed more than 5‘000 mm/min possible

  • For universal use (Weldon shank shaft with a diameter of 20 mm)

    • VDI tool holders for lathes (optionally available)

    • Various HSK, SK or special tool holders (optionally available)

Marking on steel valve 

 

gravostar WS-20

 

Field of application:

Individual markings of any workpieces

with larger irregularities and dimensional differences such as on raw cast parts.

  

Tool specifications:

  • Use in machining centres, automatic lathes, etc.
    (no additional installations required)

  • Needle actuation via internal tool cooling system
    (required coolant pressure approx. 2 - 50 bar)

  • Standard version with 20 mm Weldon shank

  • Various HSK, SK or special tool holders (optionally available)

  • Needle adapters in various extensions (optionally available)

 

General information:

  • Integrated, automatic distance compensation up to approx. 5 mm
    (Uniform marking depth also on uneven marking surfaces)

  • Extremely high resistance to wear of the hard metal marking needle

    • The needle can be easily replaced in only a few steps

  • Can be used for almost all machinable materials (hardness up to approx. 62 HRC)

  • Extremely high degree of process reliability due to easy pulse control integrated into the tool

  • Very short marking time

    • Embossing frequency of the marking needle: approx. 300 Hz

    • Feed speed more than 5‘000 mm/min possible

  • For universal use (Weldon shank shaft with a diameter of 20 mm)

    • VDI tool holders for lathes (optionally available)

    • Various HSK, SK or special tool holders (optionally available)

seamless marking from machined to raw marking surface on cast aluminium gear plate

 
 

gravostar WSRX-20

 

Field of application:

Sophisticated markings on any workpieces in a prescribed marking depth
(e.g. security-relevant parts in turbine construction, etc.)  

 

Tool specifications:

  • Use in machining centres, automatic lathes, etc.
    (no additional installations required)

  • Needle actuation via internal tool cooling system
    (required coolant pressure approx. 2 - 80 bar)

  • Standard version with 20 mm Weldon shank

  • Various HSK, SK or special tool holders (optionally available)

  • Needle adapters in various extensions (optionally available)

 

General information:

  • Integrated, automatic distance compensation up to approx. 5 mm
    (Regular marking depth also on uneven marking surfaces)

  • Coolant pressure can be reduced via integrated bypass control

    • Defined adjustable marking depth

  • Extremely high resistance to wear of the hard metal marking needle

    • The needle can be easily replaced in only a few steps

  • Can be used for almost all machinable materials (hardness up to approx. 62 HRC)

  • Extremely high degree of process reliability due to easy pulse control integrated into the tool

  • Very short marking time

    • Embossing frequency of the marking needle: approx. 300 Hz

    • Feed speed of more than 5‘000 mm/min possible

  • For universal use (Weldon shank shaft with a diameter of 20 mm)

    • VDI tool holders for lathes (optionally available)

    • Various HSK, SK or special tool holders (optionally available)

Marking on a turbine coop for an airplance engine, in a precisely defined marking depth

extended needle guide

 

Field of application:

For workpieces with limited space
(marking in depressions or near hindering edges)

Structure and combination options:

  • The following standard types of tools serve as the basis for tools with extended needle adapters:

  • The following extended needle adapters are available as standard with the corresponding marking needles:

    • Extension 15 mm

    • Extension 50 mm

  • Further extensions also available according to particular customer requirements and upon request

 

Secial execution of the needle adapter unit, extended by 135 mm

gravostar special models

Special feature:

Compact versions with integrated tool holder individually adapted to the machine, for use in smaller machines.

 

Designs and combination options:

  • All coolant-activated versions are generally available with individual tool holders:

  • For automatic lathes, all types are available as  standard with the following tool holders:

    • VDI25

    • VDI30

 

Other tool holders (HSK, SK, etc.) according to customer requirements are also available upon request

 

gravostar Type H-20 / H-20 PP

Field of application:

Individual markings of any workpieces

with regular, uneven or rough surfaces.

 

  • Use in machining centres, automatic lathes, special systems etc.

  • Needle actuated by compressed air

    • Compressed air supply optionally:

      • through tool spindle for automated tool change

      • with lateral compressed air hose for manual tool change

  • Marking depth individually adjustable via air pressure

    • Required air pressure: 2-6 bar

  • two versions available

    • Standard (H-20)

      • for normal markings

    • Special (H-20 PP) with reinforced marking needle

      • for deeper markings

      • for larger distance compensation

      • for rougher application conditions

 

General information:

  • Integrated, automatic distance compensation (Uniform marking depth also of uneven marking surfaces)

    • H-20: up to approx. 3 mm

    • H-20 PP: up to approx. 5 mm

  • Extremely high resistance to wear of the hard metal marking needle

    • The needle can be easily replaced in only a few steps

  • Can be used for almost all machinable materials (hardness up to approx. 62 HRC)

  • Extremely high degree of process reliability due to easy pulse control
    integrated into the tool

  • Very short marking time:

    • Embossing frequency of the marking needle: approx. 300 Hz

    • Feed speed more than 5'000 mm/min possible

  • For universal use with Weldon shank shaft

    • Diameter 20 mm

    • Diameter 10 mm

  • Various special tool holders (optionally available)

Photo on the right: Hardened disc (65 HRC), marked with gravostar H-20

 

© 2019 B-Mark Kft.

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