Tolerance Guide
Disc Spring Tolerances and Load Consistency
Learn which disc spring tolerances affect stack fit, preload accuracy and repeatable load performance in industrial assemblies.
Read GuideCustomized Components
Bespoke elastic components engineered to customer drawings, load curves and working conditions.
Engineered for Reliable Load Control
Bespoke elastic components engineered to customer drawings, load curves and working conditions.
- Customer drawing and working condition review
- Material, heat treatment and surface finish selection
- Prototype validation and batch production support
If you need to estimate load, deflection or stack arrangement, use the Disc Spring Design Calculator before sending drawings for engineering review.
Standard Sizes
Built to customer drawings, target load curves, installation space and lifecycle requirements.
Materials
Spring steel, stainless steel, nickel alloy, cobalt alloy and custom metallurgy selected by working condition.
Temperature Range
Engineered from cryogenic service to +815 deg C high-temperature applications.
Recommended Applications
- Custom disc spring assemblies
- Special elastic components
- Prototype development
- OEM industrial systems
RFQ DATA CHECKLIST
Send the application data engineers need first
For a faster quotation, include the basic spring geometry, target load and service condition. If a value is not confirmed yet, send the drawing or installed photos and mark it as estimated.
- OD / outside diameter
- ID / inside diameter
- Thickness and free height
- Material or working environment
- Quantity and delivery target
- Target load and working deflection
- Working temperature
- Application, drawing or photos
Key Product Data
Built to drawing
Custom load curve
Material engineering support
Prototype and batch production
Custom disc springs from drawing
Custom disc spring from drawing and custom Belleville washer manufacturer RFQs usually need a spring built around a specific load curve, installation space, material or approval workflow.
A useful inquiry can start with a drawing, sketch, target load, working deflection, available space, material preference, temperature, corrosion media and sample quantity.
For export projects, MOQ from one standard piece, prototype review, material certificates, dimensional reports and load testing can be discussed before production.
Related Technical Guides
Sizing Guide
How to Read a Disc Spring Dimension Chart
Use disc spring dimension charts more effectively by understanding which sizes affect fit, force and stack design in practical industrial sourcing.
Read GuideQuality Guide
Disc Spring Inspection, Testing and Approval Basics
Review the inspection and testing checkpoints that matter for disc spring orders, including dimensional reports, load testing and certificate expectations.
Read GuideCustom Design Guide
Custom Disc Spring and Stack Design Workflow
Plan custom disc spring and Belleville washer stack projects from application risk, load targets and material choice to sampling and production approval.
Read GuideTesting Guide
Disc Spring Testing Workflow
Build a more practical test plan by separating prototype checks, production validation and approval documents for disc spring supply.
Read GuideTroubleshooting Guide
Prevent Disc Spring Failure: Preload Loss, Cracking and Stack Problems
Trace preload loss, cracking, stack instability and corrosion back to the design, material and assembly decisions that usually cause disc spring failure.
Read GuideApplication Guide
Valve Disc Springs | Actuator, Live Loading and Wholesale RFQ
Review valve disc spring RFQs for actuator stacks, packing live loading, sealing load control, material choice, travel limits and severe-service duty.
Read GuideOEM FAQ
OEM Disc Spring Program FAQ
See the most common OEM questions about disc spring programs, including drawings, revision control, sampling, repeat supply and approval support.
Read GuideTitanium Guide
Custom Ti 64 / Ti-6Al-4V Disc Springs RFQ
Request custom Ti 64, Ti-6Al-4V, TC4 and TC6 titanium disc springs by drawing, load, travel and environment. FeTech reviews the geometry before quotation.
Read GuideStainless Guide
17-7PH, 15-7Mo and SUS631 Disc Springs | Stainless RFQ Guide
Compare 17-7PH, 15-7Mo, SUS631, 630, 631 and 632 stainless disc springs for corrosion-resistant Belleville washer and wholesale RFQs.
Read GuideBuyer Selection Center
Disc Spring Selection Center for Buyers
Choose the right FeTech path for DIN 2093 disc springs, severe-service materials, stack design, calculation screening and RFQ preparation.
Read GuideCalculation Guide
Disc Spring Calculation Formulas for Load, Stress & Stacks
Use disc spring calculation formulas for Belleville washer force, K factors, stress checkpoints, stack force, stack travel and preliminary RFQ sizing.
Read GuideDesign Guide
Disc Spring Stack Design | Series, Parallel and RFQ Guide
Design disc spring stacks and Belleville washer packs by target load, travel, series or parallel arrangement, material, stack height and RFQ data.
Read GuideBuyer Guide
Disc Spring RFQ Checklist | Size, Load & Material
Prepare a disc spring RFQ with drawing or size, load, deflection, stack, material, quantity and certificate needs.
Read GuideIndustry Guide
Belleville Washers for Offshore Oil & Gas
See how Belleville washers are applied in offshore oil and gas equipment where corrosion, pressure and long maintenance intervals demand stronger load-retention performance.
Read GuideBuyer Guide
Custom Disc Springs vs Standard DIN 2093
Compare standard DIN 2093 disc springs with custom disc spring designs to decide when interchangeability or application-specific performance should lead the project.
Read GuideFAQ Guide
What Affects Disc Spring Fatigue Life?
Review the main fatigue-life factors in disc springs, including working deflection, surface quality, stack design and material choice for cyclic industrial service.
Read GuideDesign FAQ
Common Disc Spring Stacking Mistakes
See the disc spring stacking mistakes that change force, travel, alignment and service life in series, parallel and mixed Belleville washer packs.
Read GuideSupplier Guide
China Disc Spring Manufacturer | DIN 2093, Inconel and Export RFQ
Evaluate a China disc spring manufacturer for DIN 2093 Belleville washers, custom stacks, Inconel materials, load testing and export RFQs.
Read GuideBuyer Guide
Custom Disc Spring RFQ from China
Check the RFQ details that matter when sourcing custom disc springs from China, including drawings, load, material, testing, tolerance and approval documents.
Read GuideSourcing Guide
Why Disc Spring Prices Differ
Understand why similar disc springs can carry different prices because of material traceability, heat treatment, load testing, tolerance and batch consistency.
Read GuideProcurement Guide
Hidden Costs in Disc Spring Sourcing
Compare disc spring suppliers beyond unit price by reviewing rework, retesting, document gaps, communication time, approval delay and shipment risk.
Read GuideDownload Library
Disc Spring RFQ Downloads | Catalog, Checklist & Stack Data
Download FeTech catalog resources, RFQ checklist, stack worksheet and material guides for DIN 2093 disc springs, Belleville washers and custom spring quotations.
Read GuideCalculation Basics
How to Read a Disc Spring Load-Deflection Curve
A practical explanation of disc spring load-deflection curves, load F, deflection s, working point, stacking effects and early-stage calculation.
Read GuideFailure Review
Disc Spring Fatigue Fracture: Cyclic Load, Cracks and Failure Review
Disc spring fracture may be fatigue-related, but photos alone are not enough. Review cyclic load, working point, guidance, corrosion and surface condition.
Read GuideStack Design Basics
Disc Spring Stacking Methods: Parallel, Series and Combined Arrangements
Disc spring stacks should not be selected by piece count only. Parallel stacking increases load, series stacking increases travel, and combined stacks balance both.
Read GuideStandards Guide
DIN 2093 A, B and C Series: Disc Spring Groups and Selection Notes
DIN 2093 A, B and C series are not only size groups. Geometry, thickness, cone height, load curve and working point all affect disc spring selection.
Read GuideCommon Product Questions
Can FeTech quote customized components without a finished drawing?
Yes. A sketch, load target, installation space and service conditions are usually enough to begin a practical engineering review.
When should a project move from standard parts to custom components?
Custom design becomes worthwhile when a standard product forces too many compromises in load curve, space claim, material or service life.