Portal Frame

Assembly

Aluminium melting crucible casting process.jpg · Commons ↗ Report photo

Inverted-U welded steel structure that straddles the load and carries hoist and bogie reactions.

Direct parts	6
Total parts	15
Used in	1 assembly
Class	Assembly

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Inverted-U welded steel structure that straddles the load and carries hoist and bogie reactions. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Portal Frame parts and their functions

6 top-level parts · 15 parts in total · full bill of materials below

Portal Frame parts diagram: 1 top box girder, 2 cross tie beam, 3 portal leg, 4 corner casting, 5 maintenance walkway, 6 fastener set. 15 parts in 6 top-level items. — Portal Frame parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Top Box Girder	2×	Longitudinal box girders forming the top span
2	Cross Tie Beam	2×	Transverse beams tying the two legs
3	Portal Leg	4×	Vertical box-section legs
4	Corner Casting	4×	Cast joints between legs and top beams
5	Maintenance Walkway	2×	Maintenance walkways with handrails
6	Fastener Set	1×	High-strength bolted splice joints

3D model

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Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour

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Bill of materials for Portal Frame

6 top-level lines · 6 rows shown · 15 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Top Box Girder	straddle-lift-gantry-top-beam	2×	2	·	part
2	Cross Tie Beam	straddle-lift-gantry-cross-beam	2×	2	·	part
3	Portal Leg	straddle-lift-gantry-leg	4×	4	·	part
4	Corner Casting	straddle-lift-gantry-corner-casting	4×	4	·	part
5	Maintenance Walkway	straddle-lift-gantry-walkway	2×	2	·	part
6	Fastener Set	fastener-set	1×	1	·	part

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Where the portal frame is used

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

Material Handling 1 Straddle Lift Crane

Used in 1 assembly

Straddle Lift Crane

Sourcing: possible vendors

Browse the supplier directory → 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–$200. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇮🇳Bharat Forge bharatforge.com ↗	Pune, IN	Forgings & metal parts	500 pcs	6–10 wks
🇨🇳CITIC Dicastal dicastal.com ↗	Qinhuangdao, CN	Aluminium castings & wheels	500 pcs	6–10 wks
🇮🇳Tata AutoComp tataautocomp.com ↗	Pune, IN	Auto components	500 pcs	6–10 wks
🇸🇬Beyonics beyonics.com ↗	Singapore	Precision metal & mfg	500 pcs	6–10 wks
🇮🇳Sundaram Clayton sundaram-clayton.com ↗	Chennai, IN	Die castings	500 pcs	6–10 wks