Products

IDWR (ROD WEARRING POM

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IDWR is a guide ring designed to be used for rod applications.

PRODUCT ADVANTAGES:

  • Maximum dynamic coefficient of friction for reduced power loss
  • The high dimensional stability of the temperature range
  • High dimensional stability due to low coefficient of thermal expansion
  • Very good dimension stability during operation temperatures
  • Easy installation
  • Wide range of standard sizes
  • Economical solution for the conduction

APPLICATION:

Construction machinery , cranes , injection moulding machines , agricultural machinery , light to medium duty cylinders.

INSTALLATION:

Easily assembled into the housing by hand. It is very important that the assembly tools must be of soft material and have no sharp edges. Before installation the wiper must be oiled with system oil.

NOTES: The guide ring should be placed where it has direct contact with the media. IDWR is not suitable for dry working conditions. Surface contact pressure value might drop due to the temperature rise.

MATERIAL: POM 9902 (special filled)

 

OPERATING CONDITIONS
MEDIA Mineral oils (DIN 51524)  HFA and HFB HFC
TEMPERATURE -30°C +125°C +5°C +50°C -30°C +40°C
CONTACT DYNAMIC PRESSURE ≤40 N/mm2 ≤40 N/mm2 ≤40 N/mm2
SPEED ≤1.0 m/s ≤1.0 m/s ≤1.0 m/s

Note: The above data are maximum values and cannot be used at the same time.

SURFACE ROUGHNESS Ra Rmax
Sliding Surface Ød ≤0.4 µm ≤4 μm
Groove Base  ØD ≤2.5 µm ≤10 µm
Groove Flanks  B ≤3.2 µm ≤15 µm

Note: It is recommended to have 50% to 90% of the working surface material contact area value.

 

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# Vota code Name Application Material Pressure
(bar)		 Temperature °C Sliding Speed (m/s)
guide-rings/idwr-pom IDWR POM IDWR (ROD WEARRING POM ROD/AXLE POM FILLED 10% PTFE/SILICONE -40°C +115 °C 1.0
POM FILLED 20% GLASS FIBER -30°C +125°C 1.0
POM FILLED 40% GLASS FIBER -30°C +140 °C 1.0
WEARTECH 506 COTTON FABRIC PNENOLIC COMPOSITES -40°C +120°C 0.8
WEARTECH 508 FIBRE POLYESTER COMPOSITE + PTFE -40°C +160°C 0.8
PTFE-BRONZE -50°C +200 °C 5.0
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