Cutterhead Support and Main Drive
AssemblyEverything that holds and turns the cutterhead. The cutterhead support carries the main bearing and its seals, drive units around it turn the cutterhead through the bull gear, and the roof shield, side supports and vertical support hold the front of the machine steady in the bore. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Cutterhead Support and Main Drive parts and their functions
6 top-level parts · 70 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Cutterhead Support | 1× | Houses the main bearing and carries the drives and shields |
| 2 | Main Bearing 4 parts | 1× | Lets the cutterhead turn under full thrust |
| 3 | Bull Gear | 1× | Ring gear through which every drive turns the cutterhead |
| 4 | Main Drive Unit 4 parts | 10× | Turn the cutterhead at variable speed. Motor, coupling, reducer and pinion |
| 5 | Main Bearing Seal System 3 parts | 1× | Keeps dust out of the main bearing and oil in |
| 6 | Roof Shield and Side Supports 6 parts | 1× | Steadies the front of the machine and protects the work zone |
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Bill of materials for Cutterhead Support and Main Drive
6 top-level lines · 23 rows shown · 70 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Cutterhead Support | main-beam-tbm-cutterhead-support | 1× | 1 | · | part |
| 2 | Main Bearing 4 parts | main-beam-tbm-main-bearing | 1× | 1 | 4 | assembly |
| 2.1 | Main Bearing Rings | main-beam-tbm-bearing-rings | 1× | 1 | · | part |
| 2.2 | Main Thrust Roller Row | main-beam-tbm-thrust-roller-row | 1× | 1 | · | part |
| 2.3 | Reverse Thrust Roller Row | main-beam-tbm-reverse-thrust-roller-row | 1× | 1 | · | part |
| 2.4 | Radial Roller Row | main-beam-tbm-radial-roller-row | 1× | 1 | · | part |
| 3 | Bull Gear | main-beam-tbm-bull-gear | 1× | 1 | · | part |
| 4 | Main Drive Unit 4 parts | main-beam-tbm-drive-unit | 10× | 10 | 4 | assembly |
| 4.1 | Main Drive Motor | main-beam-tbm-drive-motor | 1× | 10 | · | part |
| 4.2 | Torque-Limiting Coupling | main-beam-tbm-torque-limiter | 1× | 10 | · | part |
| 4.3 | Planetary Gear Reducer | main-beam-tbm-gear-reducer | 1× | 10 | · | part |
| 4.4 | Drive Pinion | main-beam-tbm-drive-pinion | 1× | 10 | · | part |
| 5 | Main Bearing Seal System 3 parts | main-beam-tbm-main-seal | 1× | 1 | 10 | assembly |
| 5.1 | Main Bearing Lip Seal | main-beam-tbm-lip-seal | 6× | 6 | · | part |
| 5.2 | Seal Wear Ring | main-beam-tbm-seal-wear-ring | 2× | 2 | · | part |
| 5.3 | Grease Labyrinth Ring | main-beam-tbm-labyrinth-ring | 2× | 2 | · | part |
| 6 | Roof Shield and Side Supports 6 parts | main-beam-tbm-head-shield | 1× | 1 | 14 | assembly |
| 6.1 | Roof Shield | main-beam-tbm-roof-shield | 1× | 1 | · | part |
| 6.2 | Roof Shield Fingers | main-beam-tbm-finger-shield | 1× | 1 | · | part |
| 6.3 | Side Support | main-beam-tbm-side-support | 2× | 2 | · | part |
| 6.4 | Vertical Support | main-beam-tbm-vertical-support | 1× | 1 | · | part |
| 6.5 | Shield Support Cylinder | main-beam-tbm-support-cylinder | 8× | 8 | · | part |
| 6.6 | Dust Shield | main-beam-tbm-dust-shield | 1× | 1 | · | part |
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Where the cutterhead support and main drive is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed 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| Vendor | HQ | Specialty | MOQ | Lead 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.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |