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Quenching na tempering of crankshafts

2020-01-16

Prosés quenching jeung tujuan
workpiece nu dipanaskeun nepi ka suhu austenitizing pikeun kurun waktu nu tangtu lajeng leuwih tiis dina laju leuwih gede ti laju cooling kritis pikeun ménta prosés perlakuan panas tina struktur martensite.
Pikeun ningkatkeun karasa luhur sareng résistansi ngagem tina workpiece

Prosés tempering suhu rendah sareng tujuanana
Hiji prosés perlakuan panas nu baja quenched dipanaskeun dina 250 ° C. lajeng leuwih tiis.
Dina raraga ngajaga teu karasa luhur sarta lalawanan ngagem tina workpiece quenched, ngurangan setrés residual jeung brittleness salila quenching.

Kumaha carana ngabedakeun crankshaft quenched na unquenched?
Beusi ngaréaksikeun kimiawi jeung oksigén dina hawa dina suhu luhur pikeun ngahasilkeun trioksida beusi hideung. Ieu béda ti naon anu biasa urang sebut karat. Anu biasana urang sebutkeun ngeunaan karat nyaéta beusi ngaréaksikeun sareng oksigén, cai, sareng zat-zat sanés dina hawa dina suhu kamar ngabentuk (komponén utama karat) oksida beusi, beureum.
Beusi dipanaskeun dina oksigén:
3Fe + 2O2 === Pemanasan ==== Fe3O4
Beusi karat dina hawa:
crankshaft unquenched
crankshaft quenched

Pra pra pra pra pra pra pra pra pra praw sat tos pre prawan praw pra pra:Perlakuan permukaan ring piston

Teras:Kaleresan anjeun pantes terang ngeunaan Wuhan Coronavirus（2019-nCoV）：

Hak © Changsha Haochang Machinery Equipment Co., Ltd Indéksen Indéks produk Bantosan Téknis :coverweb

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