Lathe - Horizontal - Railway Solutions

Wheelset Machinery
Geminis Wheelset Machining GR7-S

Wheel Set Machining

Geminis GR7-S is a horizontal lather for high power cutting used in wheelset machining. The machine is also capable of machining axles and loose wheels.

  • Max. Wheel tread diameter mm 840 1.250
    Track gaude mm 1.435 1.435
    Max. wheelset weight kg 5.000 8.000
    Max. Axle length mm 3.000 – 4.000 3.000 – 4.000
    Main motor power kW 30/51* 51/71*
    Machine dimensions mm 3.600 x 3.000 x 8.900 4.610 x 3.300 x 9.300
    Machine weight kg 18.500 25.000
    Radial run out mm <0’10
    Accuracy of profile mm <0’15
    Difference in diameters between wheels mm <0’10
    Roughness of surface mm <0’012

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Wheel Hub Boring Machine
Geminis Wheel Hub Machining

Railway wheel hub boring maching

Geminis vertical machine for wheel hub boring applications.

  • Max. Wheel tread diameter mm 860…1.250*
    Min. Wheel tread diameter mm 580
    Chuck diameter mm 1.200 – 1.500*
    Max. Boring diameter mm 350
    Max. Weight over table kg 3.000
    Main motor power kW 22
    Speed range r.p.m. 0…500
    Machine taper HSK 63ª
    Automatic tool changer 12 – 20* – 30*
    Machine dimensions mm 4.200 x 5.000 x 3.900
    Machine weight Kg 15.000
    Boring accuracy IT6 – IT7
    Roundness mm <0’02
    Cilindricity mm <0’02
    Roughness of surface mm <1’2

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Railway Axle Machining
Geminis Axle Machining GR5-A

Axle Machining for Railway

Geminis GR5-A horizontal lathe for axle machining produces high precision finishing. Geminis specialised knowledge of the railway industry enable manufacturing and maintenance of rolling stock undercarriage parts, including axles. Customisable to suit your requirements, options for double turret, grinding and burnishing devices, automatic loading and more.

  • Swing over bed mm 1.000 – 1.200*
    Swing over cross slide mm 600 – 800*
    Max. Axle length mm 3.000 – 4.000*
    Max. Axle weight kg 5.000
    Spindle nose DIN 55026-11
    Spindle range r.p.m. 0 … 1.400
    Main motor power kW 28 – 37*
    Rapid traverse m/min 8
    Quill diameter mm 160
    Machine dimensions mm 3.100 x 2.600 x 8.900
    Machine weight kg 16.000

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