Zirconia Ceramic Dispersion Rotors for Bead Mills

What Is a Zirconia Ceramic Dispersion Rotor?

A zirconia ceramic dispersion rotor is the rotating ceramic body inside a bead or sand mill. It carries pegs, slots or vanes that move the grinding beads and keep the slurry circulating through the chamber. The purchased item is the rotor body plus its bore, hub and other drawing-defined features; the shaft, spacers, fasteners, chamber and grinding media are separate parts with their own material and inspection requirements.

Compare the ceramic working body and its specified mating or assembly parts as separate quotation items. For a single rotating disc without a shaft interface, see Zirconia Ceramic Dispersion Disc.

Specifications of Zirconia Ceramic Dispersion Rotor

Sand Mill Zirconia Ceramic Dispersion Rotor
Item No.	Outer Diameter (mm)	Inner Diameter (mm)	Height (mm)
AT-YHG-SM012	45	28	400
AT-YHG-SM013	60	40	400
AT-YHG-SM014	84	64	400
AT-YHG-SM015	95	75	500
AT-YHG-SM016	125	100	630
AT-YHG-SM017	155	130	700
AT-YHG-SM018	160	140	750
AT-YHG-SM019	180	150	800

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Structural Zirconia Grades for Rotor Selection

Compare grade references alongside the shaft loading, peg or slot geometry and slurry duty of your rotor.

Material grade	Typical density	Flexural strength (MPa, 20°C)	Fracture toughness (MPa·m½)
AD-ZRO-3Y · 3Y-TZP	6.00–6.08 g/cm³	800–1000	7.2–9.0
AD-ZRO-MG · Mg-PSZ	5.70–5.80 g/cm³	500–755	6–12
AD-ZRO-CA · Ca-PSZ	5.60–5.75 g/cm³	400–600	5–8

Typical dense-material references at 20°C; fracture toughness depends on the test method. Select the grade for the rotor drawing and agree finished-rotor speed, shaft fit, runout or balance, wear and slurry-compatibility checks in the assembled condition.

Why Buyers Specify ADCERAX Zirconia Dispersion Rotors

Ceramic contact surface

The zirconia rotor replaces the metal or coated surface working in the bead field, helping reduce metal wear in the slurry. Shafts, spacers, fasteners, liners and grinding media are specified separately.

Made to your drawing

Each rotor is defined by its bore, hub, shaft interface, datum, peg or slot pattern and chamber clearance. Send an OEM drawing, an old-part drawing or clear photos for review. AT-YHG-SM012–019 are reference sizes; AT-YHG-SM006 covers custom replacements and OEM designs.

Single-piece construction

The rotor is supplied as one fired and diamond-ground zirconia body. Bore, end faces, outer profile and functional surfaces are finished to the agreed drawing. Concentricity and runout are checked on the finished part and rotor assembly.

First-article inspection

The first rotor is inspected for fit, datums, feature geometry, runout, surface finish and visible defects. An inspection report is provided before the remaining batch is released.

Designed for cleaning

Corners, slot roots, hub transitions and wetted surfaces are reviewed against your cleaning method, including manual washing, CIP or solvent flushing. Cleaning requirements and acceptance checks are agreed during project review.

Repeatable replacements

ADCERAX can reproduce a rotor from an existing drawing or worn sample. The approved drawing and inspection points are retained for repeat orders.

How to Select a Zirconia Ceramic Dispersion Rotor

Work through these four steps in order; each one narrows the next.

Identify the part: Confirm the AT-YHG-SM reference, or send an old-part drawing or marked photos of the worn rotor, plus the mill maker, model and rotor position.
Fix the geometry: Set OD, ID, the axial measurement datum, hub, key or pin features, and the peg, slot or vane pattern on the drawing.
Choose the grade: Select 3Y-TZP, Mg-PSZ or Ca-PSZ based on the rotor duty and the material comparison below.
Define the duty and checks: Provide speed, torque, bead grade and size, slurry chemistry, temperature and the first-article inspection method.

Send what you already have. The remaining engineering details can be completed during quotation review.

Packaging of Zirconia Ceramic Dispersion Rotor

Zirconia Ceramic Dispersion Rotor is packaged using a multi-layer protection system to ensure safe handling and transport. Each unit is first individually boxed, then securely arranged in lined wooden crates with foam cushioning. The crates are sealed and reinforced with outer plywood and steel straps to prevent impact during international shipping.

Matching the Rotor to Your Milling Duty

The same zirconia rotor serves different mills in different ways. What changes is the geometry, shaft interface and checks agreed before the first-article run. The three duties below show what to define in each case.

Battery and Electronic Slurries

What matters: The rotor body, grinding beads, chamber liner and shaft sleeve form one wear chain. Any of them can release material into the slurry, so the rotor must be specified with the parts it contacts.

What to define: Slurry solvents and solids, monitored elements, blank and batch sampling methods, and existing acceptance limits.

Ink and Pigment Dispersion

What matters: Colour changes and residue between batches increase cleaning time. Peg or slot geometry, chamber clearance and cleanable interfaces must be reviewed with the cleaning method.

What to define: Viscosity range, bead grade and size, residue test and target particle distribution. These inputs determine the working profile on the drawing.

Mill OEM and Second-Source Service

What matters: A replacement rotor is interchangeable only when the bore, shaft interface, rotor position, axial envelope and adjacent spacing match. Start with the mill maker and model or the old part.

What to define: Machine model or serial number, OEM part identity, old-part drawing or sample, and post-installation checks such as runout, fit and clearance.

Set the first-article checks around the actual rotor and wetted assembly, then compare the results with the agreed operating duty.

User Guidelines for Zirconia Ceramic Dispersion Rotor

To ensure stable operation, extended lifespan, and optimal dispersion outcomes, Zirconia Ceramic Dispersion Rotor should be used and maintained under specific process parameters and handling precautions. This section provides guidance for installation, operation, cleaning, and lifecycle management based on real-world application feedback and engineering validation.

Handling and storage

Protect the bore, end faces and raised features with padded separation. Allow the part to reach room temperature between storage and use conditions.
Installation or replacement

Check the working-profile orientation, axial position, shaft fit and adjacent clearances before fastening. Use the equipment maker's tightening procedure, and verify assembled runout or balance against the agreed plan.
Before startup

Confirm the mill's slurry level and bead loading, then use the speed program specified for the selected slurry duty.
After each batch

Clean the rotor promptly with a compatible cleaning fluid or the mill's CIP process. Use non-abrasive manual tools to protect functional surfaces and peg or slot edges.
Maintenance and records

Inspect pegs, slots, edges and mounting features to the mill maintenance plan. Record operating hours, processed material, bead size and wear observations for reuse or replacement decisions.

Zirconia Ceramic Dispersion Rotor FAQs

Can a worn rotor be replaced from a sample?
Yes. Send the worn rotor or clear photos, mark the worn areas, and add the mill maker, model, rotor position and quantity. Quote it with the AT-YHG-SM reference, or any drawing or dimensions you have.
Which zirconia grade should I choose?
Most bead mill rotors start with 3Y-TZP, which has the highest typical density and strength of the three structural grades. Mg-PSZ and Ca-PSZ are selected with the rotor geometry and duty. The grade is fixed on the order drawing, never by reference number alone.
Will the rotor contaminate the slurry?
Zirconia is non-metallic, so it releases no iron, chromium or nickel as stainless can. It still wears against the beads, so contamination is measured: define the elements you monitor, take a blank and a post-run sample, and set the accepted increase against your specification.
Why zirconia instead of stainless steel or polymer?
Zirconia is chosen where contact must stay non-metallic and bead-field wear is the limiting factor. Stainless wins on ductility and cost; polymer on elasticity. Ceramic is brittle, so bore fit and alignment matter more.
Can the rotor take my mill's speed and torque?
There is no single rating — it depends on geometry, the shaft interface, inspection limits and the rotor group. Send continuous and peak speed, torque or shaft power, and the start-stop cycle, and the drawing is reviewed against that duty.
How does the ceramic body mount to a steel shaft — and can you supply the assembly?
Through the drawing-defined bore fit, key, pin or clamping features and seating faces, with runout checked on the finished part and again in your rotor group. The ceramic body and any hub, sleeve or fasteners are quoted as separate items with their own inspection.
How do I know when to replace the rotor?
Look for rounded peg tips, slot growth, chips reaching a load face, bore fretting or root cracks. Rising vibration after a refit points to worn geometry or a mounting error — keep photos and operating hours so the decision is based on measured change.

Catalogue No.	AT-YHG-SM006
Material	Yttria-Stabilized Zirconia (YSZ)
Mounting	Bore, hub, end support and shaft fit to drawing
Working profile	Peg or slot layout and chamber clearance
Dimensions/Sizes	Download PDF

Centrifugal Shear Zirconia Ceramic Dispersion Rotor for Particle Suspension Units

What Is a Zirconia Ceramic Dispersion Rotor?

Specifications of Zirconia Ceramic Dispersion Rotor

Structural Zirconia Grades for Rotor Selection