BOMwiki the bill-of-materials encyclopedia
30,454,201 parts mapped · 193,225 items
Discussion History

Cutterhead

Assembly

The rotating steel wheel at the front of the machine. It presses its disc cutters against the rock face, picks up the broken rock with buckets at its rim and drops it into the muck chute, and sprays water at the face to keep down dust. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Cutterhead parts and their functions

10 top-level parts · 595 parts in total · full bill of materials below
Cutterhead parts diagram: 1 cutterhead structure, 2 19-inch disc cutter, 3 cutter housing, 4 cutter wedge lock, 5 muck bucket, 6 bucket lip, 7 bucket grill bars, 8 cutterhead wear plates, 9 face spray nozzle, 10 cutterhead rotary union. 595 parts in 10 top-level items.
Cutterhead parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Cutterhead Structure 1× Carries every cutter, bucket and wear plate and takes the drive torque and thrust
2 19-inch Disc Cutter 7 parts 46× Break the rock in concentric tracks from the center to the gauge. The gauge cutters cut the tunnel to full diameter
3 Cutter Housing 46× Hold each cutter at its position and let it be changed from behind. One per cutter
4 Cutter Wedge Lock 46× Clamp each cutter shaft into its housing. One per cutter
5 Muck Bucket 8× Scoop broken rock off the floor and carry it to the muck chute. Spaced around the rim
6 Bucket Lip 8× Take the wear at the leading edge of each bucket. One per bucket
7 Bucket Grill Bars 8× Keep oversized blocks out of the buckets. One set per bucket
8 Cutterhead Wear Plates 1× Protect the face, gauge and bucket edges from abrasion. Set
9 Face Spray Nozzle 16× Spray water at the face to wet dust and cool the cutters
10 Cutterhead Rotary Union 1× Feeds water to the spray nozzles in the rotating cutterhead

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 Cutterhead

10 top-level lines · 17 rows shown · 595 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Cutterhead Structure main-beam-tbm-cutterhead-structure 1× 1 · part
2 19-inch Disc Cutter 7 parts main-beam-tbm-disc-cutter 46× 46 10 assembly
2.1 Disc Cutter Ring main-beam-tbm-cutter-ring 1× 46 · part
2.2 Disc Cutter Hub main-beam-tbm-cutter-hub 1× 46 · part
2.3 Disc Cutter Shaft main-beam-tbm-cutter-shaft 1× 46 · part
2.4 Disc Cutter Tapered Roller Bearing main-beam-tbm-cutter-bearing 2× 92 · part
2.5 Disc Cutter Metal Face Seal main-beam-tbm-cutter-seal 2× 92 · part
2.6 Disc Cutter End Cap main-beam-tbm-cutter-end-cap 2× 92 · part
2.7 Cutter Ring Retainer main-beam-tbm-cutter-ring-retainer 1× 46 · part
3 Cutter Housing main-beam-tbm-cutter-housing 46× 46 · part
4 Cutter Wedge Lock main-beam-tbm-cutter-wedge-lock 46× 46 · part
5 Muck Bucket main-beam-tbm-muck-bucket 8× 8 · part
6 Bucket Lip main-beam-tbm-bucket-lip 8× 8 · part
7 Bucket Grill Bars main-beam-tbm-bucket-grill-bars 8× 8 · part
8 Cutterhead Wear Plates main-beam-tbm-wear-plates 1× 1 · part
9 Face Spray Nozzle main-beam-tbm-face-spray-nozzle 16× 16 · part
10 Cutterhead Rotary Union main-beam-tbm-rotary-union 1× 1 · part

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

Where the cutterhead is used

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

Used in 1 assembly

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
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗
Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
flex.com ↗ Singapore Electronics contract mfg 1,000 pcs 6–10 wks
dixoninfo.com ↗ Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
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