Akwai kusoshi hexagon guda 4 da aka saba amfani da su:
1. GB/T 5780-2016 "Hexagon Head Bolts Class C"
2. GB/T 5781-2016 "Hexagon shugaban kusoshi tare da cikakken zaren C sa"
3. GB/T 5782-2016 "Hexagon Head Bolts"
4. GB/T 5783-2016 "Hexagon shugaban kusoshi tare da cikakken zaren"
Babban bambance-bambancen da ke tsakanin bolts guda huɗu da aka fi amfani da su sune kamar haka:
1. Tsawon zaren daban-daban:
Tsawon zaren ƙullin ya cika zaren kuma ba cikakken zaren ba.
Daga cikin kusoshi 4 na sama da aka saba amfani da su
GB/T 5780-2016 "Hexagon Head Bolts Class C" da GB/T 5782-2016 "Hexagon Head Bolts" ba cikakkun zaren zare ba ne.
GB.
GB/T 5781-2016 "Hexagon Head Bolts Full Thread Grade C" daidai yake da GB/T 5780-2016 "Hexagon Head Bolts Grade C" sai dai samfurin an yi shi da cikakken zaren.
GB/T 5783-2016 "Hexagon head bolts tare da cikakken zare" daidai yake da GB/T 5782-2016 "Hexagon head kusoshi" sai dai samfurin da aka yi da cikakken zare da maras muhimmanci tsawon fi so tsawon bayani ne har zuwa. 200mm.
Saboda haka, a cikin bincike mai zuwa, kawai ya zama dole don tattauna bambanci tsakanin GB/T 5780-2016 "Hexagon Head Bolts Class C" da GB/T 5782-2016 "Hexagon Head Bolts".
2. Matsayin samfur daban-daban:
An raba maki samfurin bolts zuwa maki A, B da C. An ƙayyade ƙimar samfurin ta girman haƙuri. Maki shine mafi daidaito, kuma darajar C shine mafi ƙarancin daidaito.
GB.
GB.
A cikin GB / T 5782-2016 "Hexagon Head Bolts", ana amfani da Grade A don kusoshi tare da d=1.6mm～24mm da l≤10d ko l≤150mm (bisa ga ƙaramin darajar); Ana amfani da Grade B don kusoshi tare da d>24mm ko Bolts tare da l> 10d ko l> 150mm (kowane ya fi girma).
Bisa ga ma'auni na kasa GB/T 3103.1-2002 "Tolerance Bolts, Screws, Studs and Nuts for fasteners", waje haƙuri sa na bolts tare da sa A da B daidaici ne "6g"; Matsayin haƙuri na zaren waje shine "8g"; sauran matakan jurewar juzu'i na bolts sun bambanta gwargwadon daidaiton maki A, B, da C.
3. Daban-daban na inji Properties:
Bisa ga tanadi na kasa misali GB / T 3098.1-2010 "Mechanical Properties na fasteners kusoshi, sukurori da Studs", da inji Properties na kusoshi, Ya sanya daga carbon karfe da gami karfe karkashin yanayin muhalli girma na 10 ℃ ~ 35 ℃ Akwai matakan 10, 4.6, 4.8, 5.6, 5.8, 6.8, 8.8, 9.8, 10.9, 12.9, 12.9.
Bisa ga tanadi na kasa misali GB / T 3098.6-2014 "Mechanical Properties na fasteners - Bakin Karfe kusoshi, sukurori da Studs", a karkashin yanayin muhalli girma na 10 ℃～35 ℃, da yi maki na kusoshi sanya daga bakin karfe. Karfe su ne kamar haka:
Bolts sanya daga austenitic bakin karfe (ciki har da A1, A2, A3, A4, A5 kungiyoyin) da inji dukiya azuzuwan 50, 70, 80. (Lura: The inji dukiya sa alama na bakin karfe kusoshi kunshi biyu sassa, na farko part marks. Ƙungiyar ƙarfe, kuma sashi na biyu yana nuna alamar aikin, wanda aka raba ta dashes, kamar A2-70, iri ɗaya a ƙasa)
Bolts da aka yi da C1 rukuni na bakin karfe na martensitic suna da maki mallakar injiniyoyi na 50, 70, da 110;
Bolts da aka yi da C3 rukunin martensitic bakin karfe suna da nau'in kayan aikin injiniya na 80;
Bolts da aka yi da C4 rukunin Martensitic bakin karfe suna da maki mallakar injiniyoyi na 50 da 70.
Bolts da aka yi da bakin karfe na F1 martensitic suna da kayan aikin injiniya maki 45 da 60.
Bisa ga ma'auni na kasa GB/T 3098.10-1993 "Kayan kayan aikin kayan aiki - Bolts, sukurori, studs da kwayoyi da aka yi da ƙarfe maras ƙarfe":
Abubuwan injiniyoyi na kusoshi da aka yi da tagulla da tagulla sune: CU1, CU2, CU3, CU4, CU5, CU6, CU7;
Abubuwan injiniyoyi na kusoshi da aka yi da aluminum da aluminum gami sune: AL1, AL2, AL3, AL4, AL5, AL6.
Ma'auni na ƙasa GB/T 5780-2016 "Class C Hexagon Head Bolts" ya dace da C sa hexagon head bolts tare da ƙayyadaddun zaren M5 zuwa M64 da maki 4.6 da 4.8.
A kasa misali GB/T 5782-2016 "Hexagon shugaban kusoshi" ya dace da thread bayani dalla-dalla M1.6～M64, da kuma yi maki ne 5.6, 8.8, 9.8, 10.9, A2-70, A4-70, A2-50, A4-50, Grade A da B hex head bolts don CU2, CU3 da AL4.
Abin da ke sama shine babban bambanci tsakanin waɗannan kusoshi 4 da aka saba amfani da su.
A cikin aikace-aikacen aikace-aikacen, za a iya amfani da ƙwanƙwasa masu cikakken zaren maimakon ƙwanƙwasa maras cikawa, kuma ana iya amfani da ƙwanƙwasa mai girma a maimakon ƙananan ƙira.
Duk da haka, ƙwanƙwasa masu cikakken zare na ƙayyadaddun ƙayyadaddun bayanai sun fi tsada fiye da ƙwanƙwasa maras cikawa, kuma ma'auni masu girma sun fi tsada fiye da ƙananan aiki.
Don haka, a lokuta na al'ada, ya kamata a zaɓi bolts bisa ga ainihin buƙatun, kuma kawai a lokuta na musamman yakamata "maye gurbin duk laifuffuka" ko "maye gurbin highs tare da lows".
Lokacin aikawa: Oktoba-20-2022