Thrust & Gripper System

Assembly

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Hydraulic propulsion cylinders that push off the placed lining, plus radial grippers that brace the shield against the bore wall.

Direct parts	10
Total parts	709
Used in	1 assembly
Class	Assembly

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Hydraulic propulsion cylinders that push off the placed lining, plus radial grippers that brace the shield against the bore wall. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Thrust & Gripper System parts and their functions

10 top-level parts · 709 parts in total · full bill of materials below

Thrust & Gripper System parts diagram: 1 thrust cylinder, 2 thrust spreader shoe, 3 gripper pad, 4 gripper cylinder, 5 cylinder seal kit, 6 cylinder stroke sensor, 7 hydraulic hose assembly, 8 hydraulic fitting, 9 heavy structural bolt, 10 hex nut. 709 parts in 10 top-level items. — Thrust & Gripper System 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	Thrust Cylinder 4 parts	19×	Propulsion thrust cylinders
2	Thrust Spreader Shoe	19×	Thrust spreader shoes
3	Gripper Pad	2×	Radial gripper pads
4	Gripper Cylinder 4 parts	2×	Gripper cylinders
5	Cylinder Seal Kit	21×	Rod seal, buffer seal, wiper, piston seal and wear rings for one cylinder.
6	Cylinder Stroke Sensor	19×	Magnetostrictive sensor inside a thrust or articulation cylinder.
7	Hydraulic Hose Assembly	60×	Spiral-wire hose with crimped fittings, one run in the hydraulic system.
8	Hydraulic Fitting	120×	SAE flange, ORFS or DIN fitting, adapter or elbow.
9	Heavy Structural Bolt	152×	M42 to M72 bolt in the cutterhead, main bearing and articulation joints.
10	Hex Nut	152×	Heavy hex or nyloc nut mating the bolts.

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Build & assembly graph

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Bill of materials for Thrust & Gripper System

10 top-level lines · 18 rows shown · 709 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Thrust Cylinder 4 parts	tbm-thrust-cylinder	19×	19	8	assembly
1.1	Cylinder Barrel	tbm-cyl-barrel	1×	19	·	part
1.2	Cylinder Rod	tbm-cyl-rod	1×	19	·	part
1.3	O-Ring Set	oring-set	3×	57	·	part
1.4	Oil Seal	oil-seal	3×	57	·	part
2	Thrust Spreader Shoe	tbm-thrust-shoe	19×	19	·	part
3	Gripper Pad	tbm-gripper	2×	2	·	part
4	Gripper Cylinder 4 parts	tbm-gripper-cylinder	2×	2	6	assembly
4.1	Cylinder Barrel	tbm-cyl-barrel	1×	2	·	part
4.2	Cylinder Rod	tbm-cyl-rod	1×	2	·	part
4.3	O-Ring Set	oring-set	2×	4	·	part
4.4	Oil Seal	oil-seal	2×	4	·	part
5	Cylinder Seal Kit	tbm-cylinder-seal-kit	21×	21	·	part
6	Cylinder Stroke Sensor	tbm-stroke-sensor	19×	19	·	part
7	Hydraulic Hose Assembly	tbm-hydraulic-hose	60×	60	·	part
8	Hydraulic Fitting	tbm-hose-fitting	120×	120	·	part
9	Heavy Structural Bolt	tbm-heavy-bolt	152×	152	·	part
10	Hex Nut	tbm-hex-nut	152×	152	·	part

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Where the thrust & gripper system is used

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

Construction & Earthmoving 1 Tunnel Boring Machine

Used in 1 assembly

Tunnel Boring 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