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Flat Springs & Stampings

Custom Constant Torque / Contorque Springs

Custom Constant Torque / Contorque Springs manufactured to your drawing, dimensions, load or torque, material, working environment and production requirements.

Constant Torque Contorque Springs manufactured by CustomSprings
Manufacturing
Made to specification
Engineering data
6 data points
Typical / standard data
3 configurations
Final specification
Confirmed during quotation

Custom Constant Torque / Contorque Springs

CustomSprings manufactures this spring style to customer drawings and application requirements. Dimensions, working load or torque, material, tolerances, finish, cycle life and production quantity can be specified for the assembly.

Design Data and Available Parameters

The engineering data below provides practical size, material and performance points that can be used to define a starting specification. Final production values are selected and confirmed for your application during engineering review and quotation.

What to Send for a Quote

  • Strip thickness and width
  • 2D / 3D formed geometry
  • Mounting / fixed boundary
  • Force at specified deflection
  • Material / heat treatment / plating
  • Cycle life and tolerances

Engineering Data

Typical Dimensions & Design Data

Use these data points to compare geometry, material and working parameters when defining your custom spring. Final values are reviewed and confirmed for the actual assembly before production.

ConfigurationData typeKey parametersMaterial / basis
Engineering Data 01 Engineering Data
  • Construction: Constant Torque / Contorque Spring
  • Data use: Engineering reference
Strip / flat wire / stamping / spring steel
Engineering Data 02 Manufacturing Range
  • Thickness minimum: 0.1016 mm
  • Thickness maximum: 3.175 mm
  • Maximum Strip width: 127 mm
Spring strip / stainless / copper alloys as applicable
Engineering Data 03 Manufacturing Range
  • Power-spring strip Thickness maximum: 2 mm
  • Cold-formed spiral Thickness maximum: 5 mm
  • Hot-formed Thickness maximum: 12 mm
Strip spring steels / stainless / alloys
Typical Configuration 04Data point Typical Configuration
  • Constant torque: 0.18 in·lbf
  • Thickness: 0.003 in
  • Width: 0.25 in
  • Reference parameter: 48 in
  • Reference parameter: 20 turns
  • Reference parameter: 0.3 in
Spring strip
Typical Configuration 05Data point Typical Configuration
  • Constant torque: 0.33 in·lbf
  • Thickness: 0.004 in
  • Width: 0.25 in
  • Reference parameter: 64 in
  • Reference parameter: 20 turns
  • Reference parameter: 0.41 in
Spring strip
Typical Configuration 06Data point Typical Configuration
  • Constant torque: 0.75 in·lbf
  • Thickness: 0.006 in
  • Width: 0.25 in
  • Reference parameter: 96 in
  • Reference parameter: 20 turns
  • Reference parameter: 0.61 in
Spring strip

Design note: dimensions, force / torque, material, tolerances, fatigue life and compliance are finalized against your drawing and operating conditions during quotation.

Next Design Decisions

Next Steps for Your Spring Design

Once the spring style is selected, confirm how it works in the assembly, which material suits the environment, how it will be manufactured and which dimensions and performance points should be controlled on the drawing.

Applications

Where this spring style fits

Review best-fit uses, assembly constraints and situations where another spring style may be a better choice.

View application guidance →

Materials

Choose the material for the environment

Material is selected after the load, environment and forming requirements are known.

Compare spring materials →

Manufacturing

Plan prototype and production

Review forming, heat treatment, secondary operations, inspection and the path from first samples to repeat production.

View manufacturing capabilities →

Engineering Data

Use the engineering guide for design support

Use the engineering library to review materials, sizing considerations and applicable standards for the custom design.

Open Spring Engineering Guide →

Material Direction

Common Material Families to Review

The links below are selection guides, not a claim that every grade is suitable for every size or load.

Compare Designs

Use these alternatives when the available space, connection style, travel or force direction changes.

RFQ

Send the Working Requirement

A drawing is ideal. If you do not have one yet, provide the dimensions, load or torque, travel, environment and expected quantity that matter in the assembly.

CustomSprings Engineering Catalog

Request This Spring

Send your dimensions, quantity and drawing for engineering review.

Request a Custom Quote

Fields marked * are required. A drawing is recommended for accurate review.

Spring Requirements
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