Carbon Steel Dished Heads by Cold Work
Carbon Steel Dished Heads by Cold Work
Carbon Steel Dished Heads by Cold Work
Carbon Steel Dished Heads by Cold Work

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Carbon Steel Dished Heads by Cold Work

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Model No. : XD
Brand Name : Hokkai
7yrs

Wuxi, Jiangsu, China

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Product description

These dished heads have a dish with a fixed radius (r1), the size of which depends on the type of torispherical head.The transition between the cylinder and the dish is called the knuckle. The knuckle has a toroidal shape. The most common types of torispherical heads are:XD

 

XD Means toispherical heads which heads specification as follow 

crown radius is less than diameter and knuckle area is more than 10%*diameter 

 

there are two ways to form this size by cold work, cold press and cold spinning 

Cold press forming is for standardization and mass production, it can be formed with inner diameter from 200mm to 3200mm(50mm pitch up to 2000mm, and 100mm pitch for above 2000mm), and with plates thickness of up to 28mm using the 6000ton that Hokkai developed.

Cold Spinning forming is for non standard larger dished heads production, this forming way can be achieved with inner diameter from 750mm-9000mm, and with plates thickness up to 45mm .

 

Our company are ASME U&U2 stamp holder and can provide dished heads as PED/NB/GB/ASME standard.

 

1,Hokkai Dished heads Group 

 

2015

 

2,HOKKAI DISHED HEADS FORMING PROCESS 

Dished heads forming process

3,HOKKAI DISHED HEADS FORMING RANGE

Hokkai Dished heads Forming range

4,HOKKAI DISHED HEADS INSPECTION AND CERTIFICATE

HOKKAI DISHED HEADS INSPECTION AND CERTIFICATE



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