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Discussion History

Luffing System

Assembly

Rope-luffing arrangement raising and lowering the boom to change working radius. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Luffing System parts and their functions

4 top-level parts · 34 parts in total · full bill of materials below
Luffing System parts diagram: 1 luffing winch, 2 luffing wire rope, 3 equalizer gantry, 4 boom back-stop. 34 parts in 4 assemblies.
Luffing System parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Luffing Winch 5 parts 1× Boom hoist drum
2 Luffing Wire Rope 1× Luffing wire rope
3 Equalizer Gantry 3 parts 1× Equalizer gantry
4 Boom Back-Stop 2× Back-stop buffers

3D model

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Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

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Bill of materials for Luffing System

4 top-level lines · 16 rows shown · 34 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Luffing Winch 5 parts floating-crane-barge-luffing-winch 1× 1 12 assembly
1.1 Hoist Winch Drum floating-crane-barge-winch-drum 1× 1 · part
1.2 Gearbox Housing gearbox-housing 1× 1 · part
1.3 Helical Gear Pair gear-pair 3× 3 · part
1.4 Hydraulic Drive Motor 4 parts floating-crane-barge-hydraulic-motor 1× 1 6 assembly
1.4.1 Cylinder Block floating-crane-barge-piston-block 1× 1 · part
1.4.2 Swash Plate floating-crane-barge-swash-plate 1× 1 · part
1.4.3 Ball Bearing ball-bearing 2× 2 · part
1.4.4 Oil Seal oil-seal 2× 2 · part
1.5 Band Holding Brake floating-crane-barge-band-brake 1× 1 · part
2 Luffing Wire Rope floating-crane-barge-luffing-rope 1× 1 · part
3 Equalizer Gantry 3 parts floating-crane-barge-gantry 1× 1 19 assembly
3.1 Gantry Frame floating-crane-barge-gantry-frame 1× 1 · part
3.2 Wire-Rope Sheave floating-crane-barge-sheave 6× 6 · part
3.3 Ball Bearing ball-bearing 12× 12 · part
4 Boom Back-Stop floating-crane-barge-boom-stop 2× 2 · part

Where the luffing system is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Floating Crane Barge

Sourcing: possible vendors

Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗ 		Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Flex (Singapore)
flex.com ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks
🇮🇳Dixon Technologies
dixoninfo.com ↗ 		Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
🇨🇳BYD Electronics
bydelectronic.com ↗ 		Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks