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Standard Elevated Headstocks

Variable height, synchronised headstock and tailstock systems.
EST models

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Home » Products & Services » Headstock & Tailstocks » EST Elevating Headstocks

EST Series

Smooth, safe and controlled rotation with Key Plant Elevating ST series, a variable height, synchronised headstock and tailstock system.

The system also offers stationary and floor rail options.

Capacity range
10,000lb – 55,000lb

Specialised designs can be built to suit larger or unique components.

Standard elevating headstocks
ModelEST10
Capacity10,000lb (4,536kg)  C of G at 6in (152mm)  |  Eccentricity at 6in (152mm)
Rotation Speed0.07rpm – 1rpm
Rotation Motors3hp (2.2kW)
Table Diameter48in (1219mm)
Degree of Table Rotation360 degrees
Elevation Travel55in (1397mm)
Elevation Motor3hp (2.2kW)
Primary Input Power380 to 480V, 3 Phase, 50/60Hz (optional 600V, 3 Phase, 60Hz available)
Input Current at Rated Load12 amps
Ground Capacity600 amps
Control Capability OptionPush button pendant, 33ft (10m) control cable.
Optional: graphic interface via 32″ monitor
Pendant Control FunctionsTable forward/stop/reverse  |  Variable speed  |  Elevate up/elevate down  |  Emergency Stop
Height132in (3353mm)
Width54in (1372mm)
Weight4,000lb (1800kg)
Track Width Centres (Tailstock)47in (1194mm)
ModelEST20
Capacity20,000lb (9,072kg)  C of G at 6in (152mm)  |  Eccentricity at 6in (152mm)
Rotation Speed0.07rpm – 1rpm
Rotation Motors4hp (3.0kW)
Table Diameter48in (1219mm)
Degree of Table Rotation360 degrees
Elevation Travel55in (1397mm)
Elevation Motor4hp (3.0kW)
Primary Input Power380 to 480V, 3 Phase, 50/60Hz (optional 600V, 3 Phase, 60Hz available)
Input Current at Rated Load16 amps
Ground Capacity600 amps
Control Capability OptionPush button pendant, 33ft (10m) control cable.
Optional: graphic interface via 32″ monitor
Pendant Control FunctionsTable forward/stop/reverse  |  Variable speed  |  Elevate up/elevate down  |  Emergency Stop
Height132in (3353mm)
Width54in (1372mm)
Weight4,409lb (2000kg)
Inside Track Width (Tailstock)47in (1194mm)
ModelPAL15
Capacity35,000lb (15,876kg)  C of G at 6in (152mm)  |  Eccentricity at 6in (152mm)
Rotation Speed0.07rpm – 0.66rpm
Rotation Motors5hp (4.0kW)
Table Diameter60in (1524mm)
Degree of Table Rotation360 degrees
Elevation Travel68.5in (1740mm)
Elevation Motor5hp (4.0kW)
Primary Input Power380 to 480V, 3 Phase, 50/60Hz (optional 600V, 3 Phase, 60Hz available)
Input Current at Rated Load32 amps
Ground Capacity600 amps
Control Capability OptionPush button pendant, 33ft (10m) control cable.
Optional: graphic interface via 32″ monitor
Pendant Control FunctionsTable forward/stop/reverse  |  Variable speed  |  Elevate up/elevate down  |  Emergency Stop
Height145in (3683mm)
Width58in (1473mm)
Weight5,511lb (2500kg)
Inside Track Width (Tailstock)53in (1346mm)
ModelEST55
Capacity55,000lb (24,947kg)  C of G at 6in (152mm)  |  Eccentricity at 6in (152mm)
Rotation Speed0.07rpm – 0.66rpm
Rotation Motors5hp (4.0kW)
Table Diameter60in (1524mm)
Degree of Table Rotation360 degrees
Elevation Travel62in (1575mm)
Elevation Motor7.5hp (5.5kW)
Primary Input Power380 to 480V, 3 Phase, 50/60Hz (optional 600V, 3 Phase, 60Hz available)
Input Current at Rated Load32 amps
Ground Capacity600 amps
Control Capability OptionPush button pendant, 33ft (10m) control cable.
Optional: graphic interface via 32″ monitor
Pendant Control FunctionsTable forward/stop/reverse  |  Variable speed  |  Elevate up/elevate down  |  Emergency Stop
Height145in (3683mm)
Width58in (1473mm)
Weight6,614lb (3000kg)
Inside Track Width (Tailstock)53in (1346mm)
elevating headstock and tailstock system