IRON ORE PELLETIZING

Replacement-roll RFQ worksheet

Define the installed interface, operating duty and acceptance evidence before asking suppliers to quote.

Entries stay in this browser page and are not submitted to IOP. Export CSV or print / save as PDF before leaving. These worksheets organise project evidence; the responsible team defines and approves the requirements.

Read the qualification guide →

01 / Identification & duty

Project and equipment tag

Plant, machine, roll position, quantity and required delivery date.

Controlled drawing references

Drawing numbers, revisions, owner and any unverified survey dimensions.

Material and process basis

Ore blend, moisture basis, size limits, throughput range and operating hours.

Reason for replacement

Wear, buildup, damage, availability or a proposed process change; attach evidence through the approved project channel.

02 / Mechanical interface

Envelope and screening geometry

Effective length, overall length, nominal diameters, spacing and position-specific features.

Shaft, bearing and drive interfaces

Journals, shoulders, coupling, axial location, bearing arrangement and rotation.

Drawing acceptance requirements

Approved tolerances, surface finish, runout and any applicable balancing requirement.

Surface system and traceability

Material/coating specification, batch traceability, inspection method and repairability.

03 / Supply & acceptance

Supply boundary

Roll body, shaft, bearings, drive parts, packing, installation support and exclusions.

Inspection and documentation

Hold points, certificates, dimensional report, drawing approval and release responsibility.

Trial and warranty basis

Baseline, trial conditions, removal criteria, warranty conditions and evidence to retain.

Open questions and owners

Record each unresolved item, responsible person and date; do not treat blanks as approved assumptions.