SIEMENS
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Siemens NC 62 · 2016
Main spindle motors
Asynchronous and synchronous motors for SINAMICS S120
2SP1 motor spindles
6
■
Technical specifications
2SP120
2SP125
Product name
Motor spindles
Motor spindles
Standard functions
Speed, max.
15000 rpm
10000 rpm
Enclosure
Cartridge with flange mounting
Cartridge with flange mounting
Operating position
Horizontal/vertical
Horizontal/vertical
Tool holder
HSK A63
SK 40 for tools with asymmetrical slot nuts
Tool clamping device
• Release using pneumatic cylinder, 6 bar
• Clamp using cup-spring assembly
• Release using pneumatic cylinder, 6 bar
• Clamp using cup-spring assembly
Tool taper cleaning
Compressed air through the draw bar 5 ... 6 bar
Compressed air through the draw bar 5 ... 6 bar
Cooling with water
• Max. 5 bar, 10 l/min (2.64 US gallons/min)
• Max. 25 % anti-corrosion agent
Clariant Antifrogen N or Tyfocor
• Filter grade 100
µ
m
• Max. 5 bar, 10 l/min (2.64 US gallons/min)
• Max. 25 % anti-corrosion agent
Clariant Antifrogen N or Tyfocor
• Filter grade 100
µ
m
Recommended coolant inlet
temperature, approx.
25 °C (77 °F)
(depending on the ambient temperature)
25 °C (77 °F)
(depending on the ambient temperature)
Standard protection –
temperature monitoring
• Motor thermal sensor KTY84-130
• PTC for full thermal protection
• NTC PT3-51F
• NTC K227
• Motor thermal sensor KTY84-130
Stator winding insulation
in accordance with
EN 60034-1 (IEC 60034-1)
Temperature class 155 (F) for a coolant inlet
temperature of 25 °C (77 °F)
Temperature class 155 (F) for a coolant inlet
temperature of 25 °C (77 °F)
Degree of protection
in accordance with IEC 60034-5
IP64 (in working area)
IP53 (behind the spindle flange)
IP64 (in working area)
IP53 (behind the spindle flange)
Bearing lubrication
Grease, permanent lubrication
Grease, permanent lubrication
Front bearing seal
Sealing air 1 ... 1.5 m
3
/h, filter grade 8
µ
m
Sealing air 1 ... 1.5 m
3
/h, filter grade 8
µ
m
Encoder system
Hollow-shaft measuring system, incremental,
sin/cos 1 V
pp
256 S/R with zero mark
Hollow-shaft measuring system, incremental,
sin/cos 1 V
pp
256 S/R with zero mark
Clamping status monitoring
• Analog sensors
• Tool clamped
• Draw bar in the release position
• Clamped without tool
–
• Digital sensors
• Position of release piston
• Tool clamped
• Draw bar in the release position
• Clamped without tool
Connections for media
• Cooling
• Sealing air
• Air purge
• Release tool
• Clamp tool
2
×
hose plug-in connector, Ø 12/10 mm (0.47/0.39 in)
1
×
G 1/8" radial/Ø 5 mm (0.20 in) axial
1
×
G 1/4"
1
×
G 1/4"
1
×
G 1/8"
2
×
G 1/2" (Ø 9 mm (0.35 in))
1
×
G 1/8" (Ø 8 mm (0.31 in))
1
×
G 1/4"
1
×
M16
×
1.5
1
×
G 1/8"
Electrical connections
• Power via cable 1.5 m (4.92 ft)
• Sensors through signal plug
• Power via cable 1.5 m (4.92 ft)
• Sensors through signal plug
Options
Increased max. speed
18000 rpm
15000 rpm (with HSK A63)
Internal tool cooling
• 50 bar, up to 54 l/min (11.89 US gallons/min)
• Filter grade 50
µ
m according to -/16/13 ISO 4406
• 1
×
G 1/4" cooling lubricant
• 1
×
G 1/8" leakage
• 50 bar, up to 54 l/min (11.89 US gallons/min)
• Filter grade 50
µ
m according to -/16/13 ISO 4406
• 1
×
G 1/4" cooling lubricant
• 1
×
G 1/8" leakage
External tool cooling
• Ring with 6 adjustable nozzles
• 5 bar
• Filter grade 50
µ
m according to -/16/13 ISO 4406
–
Tool clamping device
• Release using hydraulic cylinder, 80 bar
• Clamp using cup-spring assembly
• 1
×
G 1/4", release tool
• 1
×
G 1/4", clamp tool
–
Tool interface
–
BT 40, CAT 40, HSK A63
© Siemens AG 2016