1Application
Hookgroupisthemostcommonhookdeviceinthecranemechinary.Hookhangsonthewireropeoftheliftingmechanismwiththehelpofpulleyssuchparts.Hookisthemostwidelyusedamongtheloadhandlingdevice.Ithassuchcharacteristicsassimplemanufactureandstrongusability.
2Productcategory
Hookshavesinglehookanddoublehooksaccordingtoshapeofhook.FivestrengthgradesM,P,S,T,V,areclassifiedinaccordancewithmechanicalproperty.Forginghookandstraptypehookaremanufacturedaccordingtomethodofmanufacturing.
3Scrapingofhook
1flaws
2Abrasionofdangerousfracturesurfacereaches10%offullsize.
3Degreeofopeningaddsto15%thanfullsize.
4Torsionaldeformationexceeds10°.
5Dangerousfracturesurfaceandhookneckhaveplasticdeformation.
6Liningofboardhookabradesreaches50%offullsize,andshouldbediscardedasuseless.
7Mandrelofboardhookabradesreaches50%offullsize,andshouldbediscardedasuseless. modellifting loadhook headpulleypulley Dia.ratioweight kgG3.2t20#
16Mn
DG20HTQTQ235300/3502705t430/450212810t430/450323016t565337720t565448932t680483550t7855134675t9205250080t92053265100t920/112054964100t double hook89064425160t
double hook822/101085629200t
double hook118088500