Steel rolling: hot roll delivery roller,Mechanical components pre-strengthening/repair ,Plastic machine screw

Protection zone: four tubes in boiler, fan blade, furnace material crasher.

Picture one:Steel rolling: hot roll delivery rollerProtection zone: roller surfaceWorking status: intermetallic friction and wearSolution: two-step flame spray (welding) melting treatment for electric inductive coatingCoating materials:NiCrBSi (HRc 5562) Technical regulation:Coating thickness 0.71.0 mm Coating surface grinding

Picture two:Mechanical components pre-strengthening/repair Protection zone: pre-strengthened/damaged partsWorking status: intermetallic firction and wearSolution: various spray methodsCoating materials: alloy and cermet with HRc≥40Picture three:Plastic machine screw Protection zone: dislodging part of screwWorking status: material wearSolution: ultrasonic sprayCoating materials: WC/CoStrengthening effect: 1~2 times service life than former thermal treatmenPicture four:Plunger and pump plunger for chemical industry/electric power Protection zone: plunger surfaceWorking status: chemical medium corrosion/liquid material wearSolution: oxyacetylene spray weldingCoating materials: cobalt base WC self-fluxing alloy powderStrengthening effect: satisfying design requirementsPicture five:Sealing ring for metallurgical/chemical engineering machinery Protection zone: dynamic sealing partWorking status: high pressure oil medium friction and wear Solution: plasma sprayCoating materials: chromium oxide/aluminum-titanium oxide Strengthening effect: satisfying design requirementsPicture six:Wire drawing wheel for metal wiring Protection zone: surface contacting metal wire Working status: intermetallic wear Solution: oxyacetylene spray welding/ultrasonic spray Coating materials: cobalt base WC self-fluxing alloy powder WC/Co powder Strengthening effect: satisfying design requirements

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