BEARING FOR ROTARY COMPRESSOR
PURPOSE:To attempt to correspond to a complex shape by impregnating fluororesin in sintered holes of a bearing base material formed by way of press- forming and sintering ferrous powder, maintaining mechanical strength and giving thorough lubricity. CONSTITUTION:Ferrous powder is press-formed by way...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE:To attempt to correspond to a complex shape by impregnating fluororesin in sintered holes of a bearing base material formed by way of press- forming and sintering ferrous powder, maintaining mechanical strength and giving thorough lubricity. CONSTITUTION:Ferrous powder is press-formed by way of mixing and adjusting it and sintered to form a bearing base material 1, and then untreated resin 4 is impregnated in sintered holes 2 to seal the sintered holes 2. Accordingly, it is possible to provide a strong point of a sintering material, keep airtightness, improve primary conformability and long-time durability, unnecessitate a back plate and correspond to a complex shape. |
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