Ho na le liboutu tse 4 tse sebelisoang hangata:
1. GB/T 5780-2016 "Hexagon Head Bolts Class C"
2. GB/T 5781-2016 "Hexagon head bolts with full thread C grade"
3. GB/T 5782-2016 "Hexagon Head Bolts"
4. GB/T 5783-2016 "Hexagon head bolts with full thread"
Phapang e kholo lipakeng tsa liboutu tse 'ne tse sebelisoang haholo ke tse latelang:
1. Bolelele bo fapaneng ba khoele:
Bolelele ba khoele ke khoele e felletseng le khoele e sa fellang.
Har'a tse ka holimo tse 4 tse sebelisoang hangata
GB/T 5780-2016 "Hexagon Head Bolts Class C" le GB/T 5782-2016 "Hexagon Head Bolts" ke liboutu tse se nang khoele tse felletseng.
GB/T 5781-2016 "Hexagon Head Bolts Full Thread Class C" le GB/T 5783-2016 "Hexagon Head Bolts Full Thread" ke liboutu tse tletseng khoele.
GB/T 5781-2016 "Hexagon Head Bolts Full Thread Grade C" e tšoana le GB/T 5780-2016 "Hexagon Head Bolts Grade C" ntle le hore sehlahisoa se entsoe ka khoele e feletseng.
GB/T 5783-2016 "Hexagon head bolts with full thread" e tšoana le GB/T 5782-2016 "Hexagon head bolts" ntle le hore sehlahisoa se entsoe ka khoele e feletseng 'me bolelele ba lebitso la bolelele bo khethiloeng bo fihla ho 200mm.
Ka hona, tlhahlobisong e latelang, ho hlokahala feela ho buisana ka phapang pakeng tsa GB / T 5780-2016 "Hexagon Head Bolts Class C" le GB / T 5782-2016 "Hexagon Head Bolts".
2. Limaraka tse fapaneng tsa lihlahisoa:
Likarolo tsa lihlahisoa tsa liboutu li arotsoe ka limaraka tsa A, B le C. Sehlopha sa sehlahisoa se khethoa ke boholo ba mamello. Kereiti ke eona e nepahetseng ka ho fetesisa, 'me kereiti ea C ke eona e nepahetseng haholoanyane.
GB/T 5780-2016 "Hexagon head bolts C grade" e hlalosa liboutu tse nepahetseng tsa sehlopha sa C.
GB/T 5782-2016 "Hexagon head bolts" e hlakisa liboutu ka grade A le grade B e nepahetseng.
Ka tekanyo ea GB/T 5782-2016 "Hexagon Head Bolts", Sehlopha sa A se sebelisetsoa liboutu tse nang le d=1.6mm～24mm le l≤10d kapa l≤150mm (ho ea ka boleng bo fokolang); Sehlopha sa B se sebelisoa bakeng sa liboutu tse nang le d>24mm kapa Liboutu tse nang le l>10d kapa l>150mm (ho sa tsotellehe hore na ke efe e nyenyane).
Ho ea ka maemo a naha a GB/T 3103.1-2002 "Tolerance Bolts, Screws, Studs and Nuts for Fasteners", boemo ba ho mamella khoele ea kantle ea liboutu tse nang le grade A le B ho nepahala ke "6g"; Boemo ba mamello ea khoele ea kantle ke "8g"; maemo a mang a mamello ea liboutu a fapana ho ea ka ho nepahala ha limaraka tsa A, B, le C.
3. Lintho tse fapaneng tsa mochini:
Ho ea ka lipehelo tsa maemo a naha a GB/T 3098.1-2010 "Mechanical Properties of Fasteners Bolts, Screws and Studs", thepa ea mochini ea liboutu tse entsoeng ka tšepe ea carbon le tšepe ea alloy tlasa boemo ba tikoloho ea 10 ℃ ~ 35 ℃. Ho na le maemo a 10, 4.6, 4.8, 5.6, 5.8, 6.8, 8.8, 9.8, 10.9, 12,9, 12,9.
Ho ea ka lipehelo tsa maemo a naha a GB/T 3098.6-2014 "Mechanical Properties of Fasteners - Stainless Steel Bolts, Screws and Studs", tlas'a boemo ba tikoloho ea 10℃～35℃, litekanyetso tsa ts'ebetso ea liboutu tse entsoeng ka tšepe. tšepe ke tse latelang:
Liboutu tse entsoeng ka litšepe tse sa hloekang tsa austenitic (ho kenyeletsoa A1, A2, A3, A4, A5 lihlopha) li na le litlelase tsa thepa ea mochini 50, 70, 80. (Hlokomela: Thepa ea mochini e tšoaeang liboutu tsa tšepe tse sa hloekang e na le likarolo tse peli, karolo ea pele e tšoaea. sehlopha sa tšepe, 'me karolo ea bobeli e tšoaea kereiti ea ts'ebetso, e arotsoe ke li-dashes, joalo ka A2-70, e tšoanang ka tlase)
Li-bolts tse entsoeng ka sehlopha sa C1 martensitic tšepe e sa hloekang li na le litekanyetso tsa thepa ea mechine ea 50, 70, le 110;
Li-bolts tse entsoeng ka sehlopha sa C3 martensitic tšepe e sa hloekang li na le sehlopha sa thepa ea mechine ea 80;
Li-bolts tse entsoeng ka sehlopha sa C4 martensitic tšepe e sa hloekang li na le litekanyetso tsa thepa ea mochini tsa 50 le 70.
Liboutu tse entsoeng ka litšepe tsa F1 martensitic li na le thepa ea mochini limaraka tsa 45 le 60.
Ho ea ka maemo a naha a GB/T 3098.10-1993 "Mechanical properties of fasteners - Bolts, screws, studs le nuts tse entsoeng ka tšepe e se nang ferrous":
Thepa ea mechine ea liboutu tse entsoeng ka li-alloys tsa koporo le tsa koporo ke: CU1, CU2, CU3, CU4, CU5, CU6, CU7;
Thepa ea mochini ea liboutu tse entsoeng ka aluminium le lialloys tsa aluminium ke: AL1, AL2, AL3, AL4, AL5, AL6.
Maemo a naha a GB/T 5780-2016 "Class C Hexagon Head Bolts" a loketse liboutu tsa hlooho tsa hexagon tsa sehlopha sa C tse nang le lintlha tsa khoele M5 ho M64 le limaraka tsa tšebetso 4.6 le 4.8.
Tekanyetso ea naha ea GB/T 5782-2016 "Hexagon head bolts" e loketse lintlha tsa khoele M1.6～M64, le limaraka tsa tšebetso ke 5.6, 8.8, 9.8, 10.9, A2-70, A4-70, A2-50, A4-50, liboutu tsa hlooho tsa Grade A le B tsa hex bakeng sa CU2, CU3 le AL4.
Ka holimo ke phapang e kholo pakeng tsa liboutu tsena tse 4 tse sebelisoang hangata.
Lits'ebetsong tse sebetsang, liboutu tse nang le likhoele tse felletseng li ka sebelisoa ho e-na le liboutu tse se nang likhoele tse felletseng, 'me liboutu tsa maemo a holimo li ka sebelisoa ho e-na le liboutu tsa maemo a tlase.
Leha ho le joalo, liboutu tse nang le likhoele tse felletseng tsa litlhaloso tse tšoanang li theko e boima ho feta liboutu tse se nang likhoele tse felletseng, 'me limaraka tse sebetsang hantle li bitsa chelete e ngata ho feta limaraka tse sa sebetseng hantle.
Ka hona, ka linako tse tloaelehileng, liboutu li lokela ho khethoa ho ea ka litlhoko tsa sebele, 'me feela liketsahalong tse khethehileng li lokela ho "fetola liphoso tsohle" kapa "ho nkela sebaka se phahameng ka tlaase".
Nako ea poso: Oct-20-2022