Iron Inner Sleeve
Complementing the outer sleeve, the Iron Inner Sleeve typically serves as a sliding bearing or guide bush pressed into housings, providing precise guidance for shafts or piston rods. Jinghong Precision invests significantly in material science and surface engineering for its Iron Inner Sleeves. Beyond standard carbon steel, we offer powder metallurgy options for self-lubrication in maintenance-free applications.
Production involves precision turning, sintering, and finishing. For powder metallurgy iron inner sleeves, we control density, hardness, and oil content via powder ratio and sintering. Post-sintering, parts are sized to precise tolerances and impregnated with oil. For high loads, oil grooves or holes are added. Our Iron Inner Sleeves are used in automotive steering gears, transmission shift mechanisms, and industrial drives. Our engineers recommend optimal materials based on load, speed, temperature, and environment, delivering reliable solutions for friction and wear challenges.
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