Union, Bearingless Pop-Off, M12x1 RH, 13 mm pilot
1129-330-342
- 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
M12x1 RHM12x1 RH
B
29.975 mm1.18 "
C
48 mm1.89 "
D1
72 mm2.835 "
E
28.14 mm1.108 "
F
19 mm0.748 "
G
4.7 mm0.185 "
H
22.2 mm0.874 "
I
13 mm0.512 "
J
37.5 mm1.476 "
P
Non-ThreadedNon-Threaded
X
7 mm0.276 "
Operating Specifications
Media
Coolant, MQLCoolant, MQL
Rotor Connection
M12x1 RH M12x1 RH
Supply Connection
29.975 mm1.18 "
Coolant Max. Flow
24.3 l/min6.4 GPM
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 for Internally mounted Bearingless unions
Interface Drawing
Interface Control drawing for 1129-330-342
Operating Manual
Operating Manual for "Pop-Off" unions for machine tools