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Discussion History

Roll-Force & Elongation Control

Assembly

Sets the small permanent extension (elongation) by trimming roll force against measured strip tension and speed. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Roll-Force & Elongation Control parts and their functions

6 top-level parts · 30 parts in total · full bill of materials below
Roll-Force & Elongation Control parts diagram: 1 hydraulic loading cylinder, 2 servo valve, 3 roll-gap position sensor, 4 load cell, 5 roll-bending cylinder, 6 elongation controller. 30 parts in 6 assemblies.
Roll-Force & Elongation Control parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Hydraulic Loading Cylinder 4 parts 2× One per side
2 Servo Valve 2× Electro-hydraulic valve metering oil to the loading cylinder for closed-loop force control.
3 Roll-Gap Position Sensor 2× Magnetostrictive transducer reading cylinder stroke and roll gap.
4 Load Cell 2× Under each screw/cylinder
5 Roll-Bending Cylinder 4× Work-roll bending
6 Elongation Controller 3 parts 1× Computes percent extension from entry/exit speed and trims force and tension to hold the target.

3D model

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Build & assembly graph

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Bill of materials for Roll-Force & Elongation Control

6 top-level lines · 13 rows shown · 30 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Hydraulic Loading Cylinder 4 parts skin-pass-mill-loading-cylinder 2× 2 6 assembly
1.1 Cylinder Barrel skin-pass-mill-cylinder-barrel 1× 2 · part
1.2 Cylinder Piston skin-pass-mill-cylinder-piston 1× 2 · part
1.3 O-Ring Set oring-set 2× 4 · part
1.4 Oil Seal oil-seal 2× 4 · part
2 Servo Valve skin-pass-mill-servo-valve 2× 2 · part
3 Roll-Gap Position Sensor skin-pass-mill-position-sensor 2× 2 · part
4 Load Cell skin-pass-mill-load-cell 2× 2 · part
5 Roll-Bending Cylinder skin-pass-mill-bending-cylinder 4× 4 · part
6 Elongation Controller 3 parts skin-pass-mill-elongation-controller 1× 1 8 assembly
6.1 Bare PCB pcb-bare 1× 1 · part
6.2 Microcontroller mcu 1× 1 · part
6.3 Connector connector 6× 6 · part

Where the roll-force & elongation control is used

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

Used in 1 assembly

Skin Pass Mill

Sourcing: possible vendors

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