Union, Bearingless Pop-Off, M16x1.5 LH, 18 mm pilot


1129-017-126
- 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
M16x1.5 LHM16x1.5 LH
B
19.96 mm0.786 "
C
40 mm1.575 "
D1
63.9 mm2.516 "
E
28.7 mm1.13 "
F
21 mm0.827 "
G
6.4 mm0.252 "
H
19 mm0.748 "
I
17.993 mm0.708 "
J
26 mm1.024 "
P
Non-ThreadedNon-Threaded
X
6 mm0.236 "
Operating Specifications


Media
CoolantCoolant
Rotor Connection
M16x1.5 LH M16x1.5 LH
Supply Connection
19.96 mm0.786 "
Coolant Max. Flow
15 l/min4 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 1129-017-126
Operating Manual
Operating Manual for "Pop-Off" unions for machine tools