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

Product photo

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

Selected dimensions for this product
A
M16x1.5 LH
B
19.96 mm
C
40 mm
D1
63.9 mm
E
28.7 mm
F
21 mm
G
6.4 mm
H
19 mm
I
17.993 mm
J
26 mm
P
Non-Threaded
X
6 mm

Operating Specifications

Recommended operating limits for pressure and speed
Media
Coolant
Rotor Connection
M16x1.5 LH
Supply Connection
19.96 mm
Coolant Max. Flow
15 l/min
Coolant Max. Pressure
140 bar
Coolant Max. Temperature
71 °C

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