- Catalogs
- Sankyo Oilless Industry
- Insulated Bushings / Washers:IB,IW
Insulated Bushings / Washers:IB,IW
Insulated Bushings / Washers:IB,IW
- Base Material: Bronze with Graphite (SP2)
- Solid Lubricant: GR-1
- Insulation: SO#25-61N
- Insulated Washers: Various catalog numbers with specific dimensions for diameter (d), outer diameter (D), and length (L).
- Insulated Bushings: Similar specifications with additional details on shaft diameter and sliding direction.
- Lubricant Type: GR-1, suitable for no lubrication or regular grease lubrication.
- Max Allowable Load: 100 N/mm² without lubrication, 30 N/mm² with grease.
- Max Allowable Sliding Speed: 15 m/min without lubrication, 200 m/min with grease.
- Max Allowable PV Value: 150 N/mm²·m/min without lubrication, 150 N/mm²·m/min with grease.
- Operation Temperature Range: -40°C to 100°C for insulators.
- Specific Gravity: 7.9 g/cm³
- Hardness: 210 HB or more
- Elongation: 12% or more
- Tensile Strength: 755 N/mm² or more
- Linear Expansion Coefficient: 1.9 × 10⁻⁵/°C
- Area A is electrically separated from Area B in the context of welding gun parts.
Catalog excerpts
OILLESS INSULATED WASHERS INSULATED BUSHINGS Insulated Bushings Bronze Type Insulated Washers Bronze Type (Sliding Direction) (Shaft Diameter) Operation range temperature is o40ni100˚C Material qBase Bronze with Graphite(SP2) Solid lubricant(GR-1) wInsulation(SO#25-61N Operation range temperature is o40ni100˚C Metal Sliding Materials Material qBase Bronze with Graphite(SP2) Solid lubricant(GR-1) wInsulation(SO#25-61N) Insulated Bushings qOperation Range (Bronze Bushing) Lubricant Type Lubricating Condition No lubrication Regular lubrication(Grease) Environment Condition Max. Allowable Sliding Speed V Max. Allowable PV value Operation Range Temperature 2 ˚C m/min N/mm Ym/min The operation temperature range of insulator (w) is o40 to i100˚C. Insulated Washers qPhysical Properties (Bronze Bushing) Specific Gravity 3 g/cm Linear Expansion Coefficient ×10−5/˚C (Part of welding gun) • Area A is electrically separated from area B.
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