DAIHILON DHA
This environmentally friendly, lead- free polymer bearing material consists of nylon (polyamide) resin. Also available is a grade whose strength, low thermal expansion coefficient and sliding characteristics have been improved by adding a fiber reinforcing material and special filler.
Product Details
Features
- Fiber-reinforced type for high strength.
- Higher temperature capability than acetal resin (to 140°C).
- Low friction and excellent wear resistance.
- Availability of complex injection-molded shapes.
Major Applications
General industrial machinery, building parts, textile machinery, household appliances and automotive parts
Characteristics
| Specific Load MPa | Sliding Speed m/min | Service temp. Range °C (Min. to Max.) | Friction Coefficient μ | Tolerance of Foreign Particles | ||
|---|---|---|---|---|---|---|
| Normal | Max | Normal | Max | |||
| Below 3.9 | 6.9 | Below 6 | 30 | -40～140 | 0.1～0.3 | Low |
- On the actual application, the best performance in all categories would not be expected to be exerted simultaneously.
- Thermalloy, Daislide and Dailubo have general-to-special grades to meet various customer needs.
Target Properties
| Structure | Sliding Layer Component | Wear Resistance | Load Resistance | ||||
|---|---|---|---|---|---|---|---|
| No Lubrication | Grease | Boundary and Fluid | No Lubrication | Grease | Boundary and Fluid | ||
| Single layer resin | PA+α | 3 | 5 | 5 | 3 | 3 | 3 |
| Tolerance of Foreign Particles | Sliding Speed | Friction Coefficient | Effect of Various Atmospheres | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| No Lubrication | Grease | Boundary and Fluid | No Lubrication | Grease | Boundary and Fluid | In Air | In Vacuum | In Water | In Vapor | In Acid or Alkali | |
| 3 | 3 | 4 | 4 | 3 | 4 | 5 | 5 | 5 | 3 (Be careful of swelling) | 3 (Be careful of swelling) | 4 (2 in Acid) |
- 5=Excellent 4=Very good 3=Good 2=Inadequate 1=Failure
- ※ In an acid/alkaline atmosphere, the evaluation may bring different results. We recommend a sample test in such case. Please feel free to contact us with questions about the application under special conditions.
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