Space-saving with ultra-small R bend pipes, center R 0.75D (Min)
A pipe that simultaneously achieves a beautiful "extremely small bending radius" and strict "press-fit outer diameter tolerance of 15 to 30 μm," enhancing layout flexibility for water-cooled inverters and motors.
Improvements can be made to the restrictions around pipes that hinder flexibility during the layout of vehicle-mounted inverters and motors. Additionally, eliminating issues caused by welding joints and achieving high press-fit outer diameter tolerances can enhance quality. Bending: Bending center R = 0.75D (Min) Press-fit: Tolerance range = 15μ (Min) Flattening: Cross-sectional area reduction rate = 13% (Min) Example of minimal R bending achievements: Φ25.4 × t1.6 CR20 = 0.8D Φ17.0 × t1.2 CR13 = 0.76D *CR = Bending center R *0.6D is also possible under certain conditions "Press-fit outer diameter tolerance" Proven record of guaranteeing a range of 15μ after surface treatment By reducing the restrictions on piping layouts for units that require liquid cooling, it also contributes to a reduction in pressure loss.
basic information
Bending: Bending center R = 0.75D (Min) Press-fitting: Tolerance range = 15μ (Min) Flattening: Cross-sectional area reduction rate = 13% (Min) Minimum bending R applicable range *Material: STKM, SUS, Al, etc. Outer diameter 6-18 = Plate thickness t0.6-1.2 Outer diameter 20 = Plate thickness t1.4 Outer diameter 22 and above = Plate thickness t1.6 *Applicable for outer diameters 6Φ to 31Φ *Conditions vary depending on outer diameter, plate thickness, and shape.
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Applications/Examples of results
Material: STKM11A Material Strength: 380N/mm² or more Outer Diameter: 10Φ Plate Thickness: t1.0 Bending Radius: R12 Interference Fit Tolerance: 15μ (after surface treatment) Surface Treatment: Zinc-nickel plating of 10μ or more Usage Location: Oil valve
