Gantry Bridge

Assembly

No photo yet. Seen one of these? Suggest a photo.

The moving bridge that spans the bed on two uprights and carries the crossrail. It traverses the full bed length on the X rails. Symmetry and box-section stiffness keep the bridge square as it moves.

Direct parts	7
Total parts	20
Used in	1 assembly
Class	Assembly

Report a problem with this BOM

The moving bridge that spans the bed on two uprights and carries the crossrail. It traverses the full bed length on the X rails. Symmetry and box-section stiffness keep the bridge square as it moves. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Gantry Bridge parts and their functions

7 top-level parts · 20 parts in total · full bill of materials below

Gantry Bridge parts diagram: 1 bridge upright, 2 crossbeam, 3 x truck, 4 x drive pinion, 5 helical gear pair, 6 ball bearing, 7 fastener set. 20 parts in 7 top-level items. — Gantry Bridge 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	Bridge Upright	2×	Bridge upright legs
2	Crossbeam	1×	Box-section crossbeam joining the uprights
3	X Truck	4×	Roller trucks riding the X rails
4	X Drive Pinion	2×	Drive pinions meshing the racks
5	Helical Gear Pair	2×	X drive reduction gear sets
6	Ball Bearing	8×	Truck and pinion bearings
7	Fastener Set	1×	Bridge assembly bolts

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

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

product / assembly shared across products atomic part related product

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials for Gantry Bridge

7 top-level lines · 7 rows shown · 20 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Bridge Upright	gmm-upright	2×	2	·	part
2	Crossbeam	gmm-crossbeam	1×	1	·	part
3	X Truck	gmm-x-truck	4×	4	·	part
4	X Drive Pinion	gmm-x-pinion	2×	2	·	part
5	Helical Gear Pair	gear-pair	2×	2	·	part
6	Ball Bearing	ball-bearing	8×	8	·	part
7	Fastener Set	fastener-set	1×	1	·	part

Something wrong in this list? Report a problem with this BOM.

Where the gantry bridge is used

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

Machine Tools & Metalworking 1 Gantry Milling Machine

Used in 1 assembly

Gantry Milling Machine

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–$100. How estimates work

Vendor	HQ	Specialty	MOQ	Lead 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