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

Piercing Roll Set

Assembly

The two driven barrel rolls, their chocks and bearings, and the tilt and skew adjustment that set the cross-roll geometry. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Piercing Roll Set parts and their functions

5 top-level parts · 80 parts in total · full bill of materials below
Piercing Roll Set parts diagram: 1 barrel work roll, 2 roll chock, 3 roll tilt drive, 4 roll skew drive, 5 roll-neck bearing. 80 parts in 5 top-level items.
Piercing Roll Set parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Barrel Work Roll 2× Barrel work rolls
2 Roll Chock 3 parts 4× Roll chocks
3 Roll Tilt Drive 3 parts 2× Roll tilt adjustment
4 Roll Skew Drive 3 parts 2× Roll skew adjustment
5 Roll-Neck Bearing 4× Roll-neck bearings

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 Piercing Roll Set

5 top-level lines · 18 rows shown · 80 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Barrel Work Roll seamless-pipe-piercing-mill-work-roll 2× 2 · part
2 Roll Chock 3 parts seamless-pipe-piercing-mill-roll-chock 4× 4 4 assembly
2.1 Chock Body seamless-pipe-piercing-mill-chock-body 1× 4 · part
2.2 Roll-Neck Bearing seamless-pipe-piercing-mill-roll-bearing 1× 4 · part
2.3 Oil Seal oil-seal 2× 8 · part
3 Roll Tilt Drive 3 parts seamless-pipe-piercing-mill-roll-tilt 2× 2 26 assembly
3.1 Tilt Screw seamless-pipe-piercing-mill-tilt-screw 1× 2 · part
3.2 Tilt Worm Gear seamless-pipe-piercing-mill-tilt-worm 1× 2 · part
3.3 Servo Motor 4 parts servo-motor 1× 2 24 assembly
3.3.1 Stator Assembly 3 parts + deeper › stator-assembly 1× 2 3 assembly
3.3.2 Rotor Assembly 4 parts + deeper › rotor-assembly 1× 2 19 assembly
3.3.3 Encoder encoder 1× 2 · part
3.3.4 Motor Housing motor-housing 1× 2 · part
4 Roll Skew Drive 3 parts seamless-pipe-piercing-mill-roll-skew 2× 2 3 assembly
4.1 Skew Cylinder seamless-pipe-piercing-mill-skew-cylinder 1× 2 · part
4.2 Skew Bracket seamless-pipe-piercing-mill-skew-bracket 1× 2 · part
4.3 Pressure Sensor pressure-sensor 1× 2 · part
5 Roll-Neck Bearing seamless-pipe-piercing-mill-roll-bearing 4× 4 · part

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

Where the piercing roll set is used

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

Used in 1 assembly

Seamless Pipe Piercing Mill

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 (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