Hanyoyin Gwajin Qualicoat da Bukatun

Hanyoyin Gwajin Qualicoat da Bukatun

Ana amfani da hanyoyin gwajin Qualicoat da aka kwatanta a ƙasa don gwada samfuran da aka gama da/ko tsarin sutura don amincewa (duba babi na 4 da 5).

Don gwaje-gwajen injiniyoyi (sassan 2.6, 2.7 da 2.8), dole ne a yi bangarorin gwajin na alloy AA 5005-H24 ko -H14 (AlMg 1 - semihard) tare da kauri na 0.8 ko 1 mm, sai dai in ba haka ba ta amince da Technical Kwamitin.
Gwaje-gwaje ta amfani da sinadarai da gwajin lalata yakamata a yi su akan sassan da aka cire daga AA 6060 ko AA 6063.

1. Bayyanar

Za a yi la'akari da bayyanar a kan mahimmancin farfajiya.
Dole ne abokin ciniki ya bayyana mahimmancin farfajiyar kuma shine ɓangare na gaba ɗaya wanda ke da mahimmanci ga bayyanar da sabis na abu. Ba a haɗa gefuna, zurfin raƙuman ruwa da na biyu a cikin mahimmancin farfajiyar ba. Rubutun da ke kan mahimmanci dole ne ya kasance ba shi da kullun ta hanyar karfen tushe. Lokacin da aka kalli rufin da ke kan mahimmanci a wani kusurwa mai mahimmanci na kusan 60 ° zuwa saman saman, babu wani lahani da aka jera a ƙasa dole ne a iya gani daga nesa na mita 3: wuce gona da iri, gudu, blisters, inclusions, craters, maras ban sha'awa. spots, pinholes, ramuka, karce ko duk wani lahani da ba a yarda da shi ba.
Dole ne murfin ya kasance na ko da launi da mai sheki tare da ɗaukar hoto mai kyau. Idan aka duba shafin, dole ne a cika waɗannan sharuɗɗan kamar haka:

• - don sassan da aka yi amfani da su a waje: ana kallo a nesa na 5 m
• - don sassan da aka yi amfani da su a ciki: ana kallo a nesa na 3 m

2. Mai sheki

TS EN ISO 2813 - Yin amfani da hasken abin da ya faru a 60 ° zuwa al'ada
Lura: idan mahimmancin farfajiyar ya yi ƙanƙara ko bai dace da mai sheki da za a auna shi tare da glossmeter ba, ya kamata a kwatanta mai sheki a gani tare da samfurin tunani (daga kusurwar kallo ɗaya).

LABARI:

• Kashi na 1: 0 - 30 +/- 5 raka'a
• Kashi na 2: 31 - 70 +/- 7 raka'a
• Kashi na 3: 71 - 100 +/- 10 raka'a
  (banbancin halal daga ƙimar ƙima ta ƙayyadaddun mai kaya)

3. Kauri mai rufi

EN ISO 2360
Dole ne a auna kauri na rufi akan kowane ɓangaren da za a gwada a kan mahimmancin ƙasa a ƙasa da wuraren ma'auni na ƙasa da biyar (kimanin 1 cm2) tare da karatun 3 zuwa 5 daban-daban da aka ɗauka a kowane yanki. Matsakaicin adadin karatu daban da aka ɗauka a wuri ɗaya yana ba da ƙimar ma'aunin da za a yi rikodin a cikin rahotannin dubawa. Babu ɗayan ƙimar da aka auna da zai iya zama ƙasa da 80% na ƙayyadaddun ƙimar ƙayyadaddun in ba haka ba gwajin kauri gabaɗaya za a yi la'akari da rashin gamsarwa.

Hanyoyin Gwajin Qualicoat da Bukatun

Foda:

• Darasi 11: 60 μm
• Darasi 2: 60 μm
• Darasi 3: 50 μm
• Tsarin foda mai gashi biyu (aji 1 et 2): 110 μm
• Tsarin foda na PVDF guda biyu: 80 μm

Rufewar ruwa

• Tsarin PVDF mai guda biyu: 35 μm
• Tsarin PVDF mai ƙarfe uku mai ƙarfe: 45 μm
• Silicon polyester ba tare da farko : 30 μm (mafi ƙarancin 20% guduro silicon)
• Fenti mai-ƙarar ruwa: 30 μm
• Sauran fentin thermosetting: 50 μm
• Fenti guda biyu: 50 μm
• Rufin Electrophoretic: 25 μm

Sauran tsarin rufaffiyar na iya buƙatar kauri daban-daban, amma ana iya amfani da su kawai tare da amincewar Kwamitin Zartarwa.

Hanyoyin Gwajin Qualicoat da Bukatun

Dole ne a tantance sakamakon kamar yadda aka nuna ta misalan misalan guda huɗu (ƙaramar kauri don sutura na 60 μm):
Misali 1:
Ma'auni masu ƙima a cikin μm: 82, 68, 75, 93, 86 matsakaita: 81
Rating: Wannan samfurin yana da cikakkiyar gamsarwa.
Misali 2:
Ma'auni masu ƙima a cikin μm: 75, 68, 63, 66, 56 matsakaita: 66
Rating: Wannan samfurin yana da kyau saboda matsakaicin kauri mai kauri ya fi 60 μm kuma saboda babu ƙimar da aka auna ƙasa da 48 μm (80% na 60 μm).
Misali 3:
Ma'auni masu ƙima a cikin μm: 57, 60, 59, 62, 53 matsakaita: 58
Rating: Wannan samfurin bai gamsu ba kuma ya zo ƙarƙashin taken "samfuran da aka ƙi" a cikin tebur 5.1.4.
Misali 4:
Ma'auni masu ƙima a cikin μm: 85, 67, 71, 64, 44 matsakaita: 66
Rating:
Wannan samfurin ba shi da gamsarwa kodayake matsakaicin kauri mai kauri ya fi 60 μm. Dole ne a yi la'akarin binciken ya gaza saboda ƙimar da aka auna na 44 μm yana ƙasa da iyakar haƙuri na 80% (48 μm).

4. Adhesion

EN ISO 2409
Tef ɗin mannewa dole ne ya dace da ma'auni. Tazarar yankan dole ne ya zama 1 mm don kauri mai kauri har zuwa 60 μm, 2 mm don kauri tsakanin 60 μm da 120 μm, da 3 mm don kauri mai kauri.
ABUBUWAN: Sakamakon dole ne ya zama 0.

5. shigar ciki
EN ISO 2815
LABARI:
Mafi ƙarancin 80 tare da ƙayyadadden kauri da ake buƙata.

6. Gwajin cin kofin
Duk tsarin foda ban da aji 2 da 3 foda 2: EN ISO 1520
Darasi na 2 da 3:
TS EN ISO 1520 da gwajin jan tef kamar yadda aka ƙayyade a ƙasa:
Aiwatar da tef ɗin mannewa (duba sashe 2.4) zuwa gefen ɓangaren gwajin da ke biyo bayan nakasar injina. Rufe wurin ta latsa ƙasa da ƙarfi a kan rufin don kawar da ɓarna ko aljihun iska. Cire tef ɗin da ƙarfi a kusurwoyi daidai zuwa jirgin saman panel bayan minti 1.

LABARI:

•  - Mafi qarancin 5 mm foda kayan shafa ( Darasi na 1, 2 da 3 )
• - Mafi ƙarancin 5 mm don rufin ruwa banda - fenti mai sassa biyu da lacquers: ƙaramin 3 mm - fenti mai laushi da ruwa: mafi ƙarancin 3 mm
• - Mafi ƙarancin 5 mm don suturar electrophoretic

Don zama ma'ana, dole ne a yi gwajin a kan rufi tare da kauri wanda ke kusan mafi ƙarancin da ake buƙata.
Idan aka duba da ido tsirara, rufin bazai nuna wata alamar tsagewa ko raguwa ba, sai dai ga foda na aji 2 da 3.

Darasi na 2 da 3:
An duba shi da ido tsirara, rufin ba dole ba ne ya nuna wata alama ta ware bayan gwajin jan tef ɗin.

Hanyoyin Gwajin Qualicoat da Bukatun