Som kernekomponenten i køretøjets bremsesystem påvirker støbningsprocessen med lastbilbremseklodser direkte bremsepræstation, holdbarhed og sikkerhed . Med den hurtige udvikling af logistik- og transportindustrien er efterspørgslen efter højprestationsbremseklodser og forstås, og at forstå dens støbningsproces er især vigtig for industriudøvere .}
Forberedelse og blanding af råmateriale
Støbning af bremseklodser begynder med den nøjagtige andel af råmaterialer . De vigtigste råmaterialer inkluderer friktionsmaterialer (såsom keramiske fibre, stålfibre, grafit osv. Materialer skal blandes i en bestemt andel for at sikre, at bremseklodderne opretholder en stabil friktionskoefficient og slidstyrke under høje temperatur og højtryksmiljøer . Moderne processer bruger ofte automatiseret blandingsudstyr til at sikre ensartet fordeling af materialer og reducere menneskelige fejl .
Kold presserende støbning
The mixed raw materials are initially shaped by the cold pressing process. In the cold press, the raw materials are pressed into the mold to form the prototype of the brake pad. The pressure at this stage is usually controlled in a low range (about 5-10MPa) to avoid premature curing of the resin. The advantage of cold pressing Støbning er, at det reducerer risikoen for deformation i det varme presserende trin, mens produktionseffektiviteten . .
Hot presserende hærdning
After cold pressing, the brake pad enters the hot pressing process and completes the final shaping under high temperature and high pressure. The temperature is usually set at 150-200℃, and the pressure is increased to 15-25MPa to fully cure the resin and form a high-strength friction layer. The hot pressing time is adjusted according to the thickness of the product, generally a Få minutter til mere end ti minutter . Kontrollen af temperatur og tryk på dette tidspunkt er afgørende, som direkte påvirker hårdhed og slidstyrke på bremseklassen .
Efterbehandling og test
The hot-pressed brake pad needs to undergo post-processing processes such as grinding and drilling to ensure dimensional accuracy and installation adaptability. Strict quality inspections are then carried out, including friction coefficient testing, wear rate evaluation, and high temperature resistance verification. Some high-end products also need to pass bench tests or actual road tests to ensure compliance with international standards (such as ISO 26865 eller ECE R90) .
Procesinnovationstendenser
In recent years, as environmental regulations have become stricter, asbestos-free and low-metal formulas have become mainstream. At the same time, the application of 3D printing molds and intelligent temperature control technology has further improved molding accuracy and production efficiency. In the future, lightweight materials and digital processes may become the breakthrough direction of the industri .
Mastering af støbningsprocessen for lastbilbremseklodser hjælper ikke kun med at forbedre produktkvaliteten, men giver også mere professionel teknisk support til udenrigshandelskunder .
