Union, Bearingless Pop-Off, Female Hex, 10 mm pilot, G 3/8"
1129-761-765
- Single passage for coolant or MQL
- Pop-Off™ technology allows unlimited dry running without media pressure
- Pop-off stroke of 0.7-3.0 mm compensates for thermal expansion of spindle during extended operation as well as variations in drawbar position
- Full-flow design has no obstructions to trap swarf or debris
- Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions
- Anodized aluminum housing resists corrosion
Dimensions
A
Female HexFemale Hex
B
G 3/8"-19G 3/8"-19
C
78 mm3.071 "
D1
154 mm6.063 "
E
66 mm2.598 "
F
36 mm1.417 "
G
10 mm0.394 "
I
43.76 mm1.723 "
J
88 mm3.465 "
P
G 1/4"-19G 1/4"-19
X
30 mm1.181 "
Operating Specifications
Media
Coolant, MQLCoolant, MQL
Rotor Connection
Female Hex Female Hex
Supply Connection
G 3/8"-19 G 3/8"-19
Coolant Max. Pressure
140 bar2030 psi
Coolant Max. Temperature
71 °C160 °F
MQL Max. Flow
970 l/min34.3 CFM
MQL Max. Pressure
10 bar150 psi
MQL Max. Temperature
71 °C160 °F
Documents & Resources
Installation Guide
Installation Guide, Bore Mount (Chinese)
Interface Drawing
Interface Control drawing for 1129-761-765
Operating Manual
Operating Manual for "Pop-Off" unions for machine tools