Product Description
Specifications



Crane Parts

1.Pulley material:HTQTQ235

2.Casting hook

3.Customized

4.Hook material:20#16MnDG20






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1 Application


Hook group is the most common hook device in the crane mechinary. Hook hangs on the wire rope of the lifting mechanism with the help of pulleys such parts. Hook is the most widely used among the load handling device. It has such characteristics as simple manufacture and strong usability.


2 Product category


Hooks have single hook and double hooks according to shape of hook. Five strength grades M,P,S,T,V,are classified in accordance with mechanical property. Forging hook and strap type hook are manufactured according to method of manufacturing.


3 Scraping of hook


One of following cases happens, and discard as useless.


1 flaws


2 Abrasion of dangerous fracture surface reaches 10% of full size.


3 Degree of opening adds to 15% than full size.


4 Torsional deformation exceeds 10°.


5 Dangerous fracture surface and hook neck have plastic deformation.


6 Lining of board hook abrades reaches 50% of full size, and should be discarded as useless.


7 Mandrel of board hook abrades reaches 50% of full size, and should be discarded as useless.


Crane Hook parameters:

model	lifting load	hook head	pulley	pulley Dia.	ratio	weight kg
DGJ	5t	20#1 6Mn DG20	HT QT Q235	430/450	2	128
	10t			430/450	3	230
	16t			565	3	377
	20t			565	4	489
	32t			680	4	835
	50t			785	5	1346
	75t			920	5	2500
	80t			920	5	3265
	100t			920	5	4964
	100t double hook			890	6	4425

Load Testing:





Hook packages:

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Product Categories : Crane Spare Parts