Union, Bearingless Pop-Off, M30x1.5 RH, 32 mm pilot


1129-470-120
- 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
M30x1.5 RHM30x1.5 RH
B
33.95 mm1.337 "
C
76 mm2.992 "
D1
86.5 mm3.406 "
E
42.4 mm1.669 "
F
15.56 mm0.613 "
G
18.5 mm0.728 "
I
32 mm1.26 "
J
58.4 mm2.299 "
X
5 mm0.197 "
Operating Specifications
Media
CoolantCoolant
Rotor Connection
M30x1.5 RH M30x1.5 RH
Supply Connection
33.95 mm1.337 "
Coolant Max. Flow
39 l/min10.3 GPM
Coolant Max. Pressure
140 bar2030 psi
Coolant Max. Temperature
71 °C160 °F
Documents & Resources
Installation Guide
Installation Guide for Internally mounted Bearingless unions
Interface Drawing
Interface Control drawing for 1129-470-120
Operating Manual
Operating Manual for "Pop-Off" unions for machine tools