Nzira yekuziva sei uye kusarudza pakati peyakagadziridzwa PA6 nePA66 (Chikamu 2)?

Pfungwa 5: Ungasarudza sei Pakati pePA6 nePA66?

1. Kana kupikisa kwepamusoro-soro kunopfuura 187 ° C kusingadiwi, sarudza PA6 + GF, sezvo inonyanya kudhura uye iri nyore kugadzirisa.
2. Pazvikumbiro zvinoda kupikisa zvakanyanya, shandisa PA66+GF.
3. Iyo HDT (Heat Deflection Temperature) yePA66+30GF i250°C, nepo PA6+30GF iri 220°C.

PA6 ine makemikari uye emuviri zvimiro zvakafanana nePA66, asi ine yakaderera kunyungudika uye yakakura kugadzirisa tembiricha. Iyo inopa zvirinani kukanganisa kupikisa uye kunyungudika kwemushonga kupfuura PA66 asi ine yakanyanya kunyura hunyoro. Sezvo akawanda emhando yemhando yezvikamu zvepurasitiki zvichikanganiswa nekunyudza hunyoro, izvi zvinofanirwa kutariswa zvakanyanya kana uchigadzira zvigadzirwa nePA6.

Kuti ive nechokwadi chemichina yePA6, akasiyana modifiers anowanzo kuwedzerwa. Girazi faibha chinhu chakajairika chinowedzera, uye rekugadzira rabha rinogonawo kuiswa kuti riwedzere kupikisa.

Kune isina kusimbiswa PA6, shrinkage rate inotangira pakati pe1% ne1.5%. Kuwedzera girazi fiber kunogona kuderedza shrinkage kusvika 0.3% (kunyangwe yakakwira zvishoma munzira yakatarisana nekuyerera). Iyo yekupedzisira shrinkage mwero inonyanya kukanganiswa necrystallinity uye mwando kutorwa.

Pfungwa 6: Misiyano muJekiseni Molding Maitiro ePA6 uye PA66

1. Kuomesa Kurapa:

• PA6 inotora hunyoro zviri nyore, saka pre-processing drying yakakosha.
  • Kana zvinhu zvacho zvikapihwa mupakeji inodzivirira hunyoro, chengeta mudziyo wakavharwa.
  • Kana hunyoro hukapfuura 0.2%, huomesa mumhepo inopisa pa80°C kana pamusoro kwemaawa 3–4.
  • Kana ikasangana nemhepo kwemaawa anopfuura masere, vacuum drying pa105 ° C kwemaawa 1-2 inokurudzirwa.
  • A dehumidifying dryer inorayirwa.
• PA66 haidi kuomeswa kana zvinhu zvakavharwa zvisati zvagadziriswa.
  • Kana mudziyo wekuchengetera wakavhurwa, woomesa mumhepo inopisa pa85°C.
  • Kana hunyoro hunopfuura 0.2%, vacuum drying pa105 ° C kwemaawa 1-2 kunodiwa.
  • A dehumidifying dryer inokurudzirwa.

2. Molding Temperature:

• PA6: 260–310°C (yemagiredhi akasimbiswa: 280–320°C).
• PA66: 260–310°C (yemagiredhi akasimbiswa: 280–320°C).

  More info., pls contact lucy@taifeng-fr.com