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

Product photo

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

Selected dimensions for this product
A
M30x1.5 RH
B
33.95 mm
C
76 mm
D1
86.5 mm
E
42.4 mm
F
15.56 mm
G
18.5 mm
I
32 mm
J
58.4 mm
X
5 mm

Operating Specifications

Media
Coolant
Rotor Connection
M30x1.5 RH
Supply Connection
33.95 mm
Coolant Max. Flow
39 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 1129-470-120
Operating Manual
Operating Manual for "Pop-Off" unions for machine tools