PZT Ceramic Rings: Supply & Custom Sizes
YJ Piezo manufactures PZT ceramic rings in catalog and custom dimensions. For simple rings, send outer diameter, inner diameter, thickness and quantity; no drawing is needed to start an enquiry. Ask about volume pricing, samples or custom development.
Features & Applications
Key Applications & Benefits
- •Ultrasonic Cleaning Systems: HJ-32/11 through HJ-50/20 series optimized for 32-44 kHz cleaning transducers with capacitance up to 2550pF
- •Ultrasonic Welding Equipment: HJ-38/42K through HJ-60/27K series designed for high-power 27-42 kHz welding applications
- •Industrial Transducers: Consistent Kp 0.42 ensures predictable performance across all ring sizes from Ø32mm to Ø60mm
- •Custom Manufacturing: Send your dimensions, material and electrical requirements for a feasibility review. Available combinations and tolerances are confirmed for each project.
Ask for volume pricing on larger orders or annual requirements. For repeat orders, include your previous sample or order reference. Samples, custom designs and development enquiries are welcome too.
Complete Ring Series Technical Specifications
Detailed electrical and mechanical parameters for ultrasonic cleaning and welding transducer rings. All measurements at room temperature (25°C).
| Model | Dimensions (mm) | Application Type | Resonant Frequency (KHz) | Electromechanical Coupling (Kp) | Capacitance (pF) | Impedance (Ω) |
|---|---|---|---|---|---|---|
| HJ-32/11 | Ø32/Ø11×5 | Ultrasonic Cleaner | 44 | 0.42 | 1300 ±12.5% | ≤20 |
| HJ-35/15 | Ø35/Ø15×5 | Ultrasonic Cleaner | 44 | 0.42 | 1450 ±12.5% | ≤18 |
| HJ-38/15A | Ø38/Ø15×5 | Ultrasonic Cleaner | 42 | 0.42 | 1650 ±12.5% | ≤15 |
| HJ-38/15B | Ø38/Ø15×5 | Ultrasonic Cleaner | 42 | 0.42 | 2100 ±12.5% | ≤15 |
| HJ-45/15 | Ø45/Ø15×5 | Ultrasonic Cleaner | 38 | 0.42 | 2450 ±12.5% | ≤11 |
| HJ-50/17 | Ø50/Ø17×5 | Ultrasonic Cleaner | 35 | 0.42 | — | ≤20 |
| HJ-50/20 | Ø50/Ø20×5 | Ultrasonic Cleaner | 32 | 0.42 | 2550 ±12.5% | ≤11 |
| HJ-38/42K | Ø38/Ø15×5 | Ultrasonic Welding | 42 | 0.42 | — | — |
| HJ-45/38K | Ø45/Ø15×5 | Ultrasonic Welding | 38 | 0.42 | — | — |
| HJ-50/32K | Ø50/Ø20×6 (6.5) | Ultrasonic Welding | 32 | 0.42 | — | — |
| HJ-50/32K | Ø50/Ø23×6 (6.5) | Ultrasonic Welding | 32 | 0.42 | — | — |
| HJ-60/27K | Ø60/Ø30×10 | Ultrasonic Welding | 27 | 0.42 | — | — |
PZT Rings: Quotes & Volume Pricing
Catalog models are examples. We also make common ceramic shapes in the dimensions you need. For simple shapes, send dimensions and quantity; no drawing is needed to start an enquiry.
Ask for volume pricing on larger orders or annual requirements. Samples, custom designs and development enquiries are welcome too.
How to Select a Ring for a Real Stack
A piezo ring is not selected by frequency alone. In YJ Piezo's engineering review, the useful question is whether the ceramic remains stable after clamping, bonding, heating, and acoustic loading. Use the notes below to turn a catalog comparison into a ring RFQ that can be tested.
Cleaning stacks
Use lower impedance ring ceramics when the tank, bonding layer, and generator can keep the ceramic inside a stable thermal window.
Ask for resonance and impedance checks after sample bonding, not only loose ceramic values.
Welding stacks
Treat the ring as part of a bolted mechanical system. Preload, horn mass, backing mass, and ceramic thickness decide whether the stack holds frequency under power.
Confirm the intended bolt layout, preload method, capacitance band, and stack-frequency target before approving a model.
Custom OEM rings
When diameter, inner hole, thickness, or electrode pattern changes, the old datasheet cannot be reused as proof of performance.
Use pilot samples to measure impedance spread, capacitance spread, and assembly behavior before batch release.
What to Send for a Quote
- Outer diameter, inner diameter and thickness, or a drawing
- Material or grade
- Electrode requirements
- Order quantity and requested delivery date
Related Technical Reading
- Why a ring-based transducer can be in-spec and still fail
- How cleaning acoustics change ring and ceramic requirements
- Common OEM integration mistakes after sample approval
PZT Rings: Quotes & Volume Pricing
Ask for volume pricing on larger orders or annual requirements. For repeat orders, include your previous sample or order reference. Samples, custom designs and development enquiries are welcome too.
Manufacturing Excellence
Experience with PZT ceramic rings and ultrasonic applications carried forward from the site's earlier Yujie chapter. Dimensional tolerances and inspection methods are confirmed for the selected ring geometry and order.
Quality Assurance
Available inspection can include dimensional checks, frequency response, impedance, and agreed electrical parameters. The applicable test scope and records are confirmed during quotation.
Custom Solutions
Whether you need modified dimensions, custom frequencies, or special electroding patterns, our engineering team works closely with you to develop the perfect piezo ceramic ring for your application.
Competitive Pricing
Direct manufacturer quotations are prepared against the requested geometry, tolerances, validation scope, and order quantity. Prototype and production schedules are confirmed in the quotation.
Looking for a piezoelectric supplier?
Explore our comprehensive supplier services for your specific needs
PZT Material Supplier
High-quality PZT ceramics & custom formulations
Piezoelectric Component Supplier
Discs, rings, plates & custom components
Custom Piezo Components
Drawing review, samples & inspection planning
Ultrasonic Transducer Supplier
Custom transducers & sensing solutions
Recommended Ring Guides
Use the ring series page as the product entry point, then choose the guide that matches your next decision: shape selection, custom ring engineering, or ring procurement and QA.
Geometry Selection Hub
Buy PZT ceramic rings to your dimensions. Send outer diameter, inner diameter, thickness, material, electrodes and quantity for a quote.
Custom Ring Engineering for OEM Programs
Piezo Ring Procurement and QA Checklist
Use this guide for supplier due diligence, MOQ and lead-time risk, incoming QA, and ring-specific sourcing controls.
Procurement Notes for Ring Stacks
Rings rarely work alone. In bolt-clamped Langevin assemblies the ceramic operates under mechanical preload between metal masses, so the purchasing conversation should cover flatness and parallelism tolerances, insulation arrangements between rings, and electrode accessibility for the stack wiring — not just the ring's nominal dimensions.
When quoting, tell us how many rings share a stack and what preload the design applies; concentricity and thickness matching within a delivered batch can then be controlled to keep stack behaviour uniform. For replacement purchases, the incumbent ring's markings plus a photo of the stack are usually enough for our engineers to confirm a drop-in match before you commit to samples.