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Unwind and Web Infeed

Assembly

Holds the parent roll of film or board, splices a fresh roll on the fly, and feeds web at steady tension. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Unwind and Web Infeed parts and their functions

9 top-level parts · 67 parts in total · full bill of materials below
Unwind and Web Infeed parts diagram: 1 unwind stand, 2 air expansion shaft, 3 flying splice unit, 4 dancer roll, 5 tension load cell, 6 infeed nip roll, 7 edge guide, 8 servo motor, 9 ball bearing. 67 parts in 9 top-level items.
Unwind and Web Infeed parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Unwind Stand 1× Twin-position unwind stand
2 Air Expansion Shaft 2× Air shafts for the two roll positions
3 Flying Splice Unit 4 parts 1× Automatic flying splice
4 Dancer Roll 1× Dancer roll
5 Tension Load Cell 2× Tension load cells
6 Infeed Nip Roll 2× Driven infeed nip rolls
7 Edge Guide 1× Web edge guide
8 Servo Motor 4 parts 2× Unwind and infeed drives
9 Ball Bearing 6× Deep-groove radial ball bearing.

3D model

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Build & assembly graph

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Bill of materials for Unwind and Web Infeed

9 top-level lines · 24 rows shown · 67 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Unwind Stand flexographic-printing-press-unwind-stand 1× 1 · part
2 Air Expansion Shaft flexographic-printing-press-unwind-shaft 2× 2 · part
3 Flying Splice Unit 4 parts flexographic-printing-press-splice-unit 1× 1 4 assembly
3.1 Splice Press Arm flexographic-printing-press-splice-arm 1× 1 · part
3.2 Splice Knife flexographic-printing-press-splice-knife 1× 1 · part
3.3 Press Brush Roll flexographic-printing-press-brush-roll 1× 1 · part
3.4 Pressure Sensor pressure-sensor 1× 1 · part
4 Dancer Roll flexographic-printing-press-dancer-roll 1× 1 · part
5 Tension Load Cell flexographic-printing-press-tension-load-cell 2× 2 · part
6 Infeed Nip Roll flexographic-printing-press-infeed-roll 2× 2 · part
7 Edge Guide flexographic-printing-press-edge-guide 1× 1 · part
8 Servo Motor 4 parts servo-motor 2× 2 24 assembly
8.1 Stator Assembly 3 parts stator-assembly 1× 2 3 assembly
8.1.1 Stator Core (laminations) stator-core 1× 2 · part
8.1.2 Copper Winding copper-winding 1× 2 · part
8.1.3 Slot Insulation stator-insulation 1× 2 · part
8.2 Rotor Assembly 4 parts rotor-assembly 1× 2 19 assembly
8.2.1 Rotor Shaft rotor-shaft 1× 2 · part
8.2.2 Rotor Core rotor-core 1× 2 · part
8.2.3 Neodymium Magnet neodymium-magnet 16× 32 · part
8.2.4 Ball Bearing ball-bearing 1× 2 · part
8.3 Encoder encoder 1× 2 · part
8.4 Motor Housing motor-housing 1× 2 · part
9 Ball Bearing ball-bearing 6× 6 · part

Where the unwind and web infeed is used

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

Used in 1 assembly

Flexographic Press

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