Chain Design - Glen Flange Limited

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  • Home
  • Product & Design
  • Project & Gallery
  • Solution & After Service
  • Product Test Video
  • Contact Us

Quick Release Mooring Hook

Overview
Capstan
Remote Control System (RCS)
Mooringload Monitoring System (MLMS)
Berthing Approach System (BAS)
Environmental Monitoring System (EMS)
Central Monitoring System (CMS)
Quality Control BY Lloyd’s
Installation & Commissioning and Documents
Disc Type Towing Hook

Gangway & Marine Loading Arm

Gangway Overview
Gangway Column
Gangway Tower
Telescopic gangway
Gangway Selection Guide
Gangway FAT test Video
MLA Overview
MLA Manual and QC/DC
MLA Swivel Joint
MLA ERC

Rubber Fender

How Glen Ensure Fender Quality
Face Pads Design
Fender Type & Pianc Approval
Chain Design
Rubber Property
Tolerance
Fender System Design
Regular Inspection
Front Panel Design

Mooring Bollard

Overview
Painting
Design
Quality Control
Materials
Type Selection
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  • Russia
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Chain Design

There are 3 types of chains in the fender system: tension chain, weight chain, and shear chain. The tension chain is to protect the fender from the damage while under local compression. The weight chain is to support the weight of front panel and the face panel. The shear chain is to protect the fender from damage while in shear deflection.

The following items should be noted in chain design:

rubberfender_chaindesign_07

  • The chain dimension should be as exact as possible, not too loose or too tight
  • The chain can not be twisted as this reduces the load capacity
  • Open link is preferred
  • The initial angel of the chains is important. Normally weight chains are set at a static angle of 15~25 degree
  • All the chains must be with safety factors which should be 2-3 times of the work load
  • Shackle selection: the dimension of the shackle is usually the same as the dimension of the chain , but if the shackle is required to bear the same load with the chain, thicker shackle is preferred
  • Selection and calculation of chain
h1 = LsinØ1
h2 = h1-D
Ø = asin. [h1-D/L ]
LW=μ.∑R + W/9.81.n.cos Ø2


Lb = Fs . LW

H2=H1-D
Ø2 = a sin [ ( H1 – D ) / L ]
T= ( μ* R +W ) / 9.8*n*cos Ø2
R: combined reaction of all rubber fenders ( KN)
μ: friction coefficient of face pad material ( 0.2 )
W: the total weight of frontal panel, face pad and fender
Ø1: static angle of chain (degree )
Ø2: dynamic angle of chain (degree )
H1: height of fender before deflection ( m)
H2: height of fender after deflection ( m)
L: length of chain ( mm)
T: safe working load of chain ( T)
D: fender compression ( mm)
N: number of chains acting together

See More

  • Front Panel Design
  • Regular Inspection
  • Fender System Design
  • Tolerance
  • Rubber Property
  • Fender Type & Pianc Approval
  • Face Pads Design
  • How Glen Ensure Fender Quality

News

24 October 2017
KORMARINE 2017 held from October 24th to 27th,2017 in Busan,Korea

KORMARINE 2017 is the top trade exhibition in the Asia Pacific region. The Asian market is the most important target for those who want to expand their world business.

13 November 2017
The 20th Middle East (Abu Dhabi) International Petroleum Products Exhibition (ADIPEC 2017)

The 20th Middle East (Abu Dhabi) International Petroleum Products Exhibition (ADIPEC 2017) will be held from November 13 to November 16, 2017 at the United Arab Emirates - Abu Dhabi National Exhibition Center!

KORMARINE 2017 held from October 24th to 27th,2017 in Busan,Korea
24 October 2017

KORMARINE 2017 is the top trade exhibition in the Asia Pacific region. The Asian market is the most important target for those who want to expand their world business.

The 20th Middle East (Abu Dhabi) International Petroleum Products Exhibition (ADIPEC 2017)
13 November 2017

The 20th Middle East (Abu Dhabi) International Petroleum Products Exhibition (ADIPEC 2017) will be held from November 13 to November 16, 2017 at the United Arab Emirates - Abu Dhabi National Exhibition Center!

RELATED PRODUCT

Quick Release Mooring Hooks

Gangways

Rubber Fenders

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No.99 Longhua Road. Yubei District, Chongqing 401120, China
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+86-23-67964368

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+86-23-67504207



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