We produce custom springs and wireforms. We do not stock standard parts.
We produce custom springs and wireforms. We do not stock standard parts.
Custom hinge springs are sometimes required when restoring historic doors, architectural hardware, and mechanical assemblies that are no longer supported by modern replacement parts. For restoration specialists, finding a manufacturer capable of reproducing a specialized spring can be an important part of returning original hardware to working condition while preserving the character of a historic property.
Unlike standard replacement components, springs used in older hinges may have unusual dimensions, configurations, or operating requirements. The original manufacturer may no longer exist, drawings may be unavailable, and commercially available replacement springs may not fit the existing hardware.
Ace Wire Spring & Form Co., Inc. manufactures custom springs and wire forms for specialized applications, including historic architectural hardware restoration. Our experience includes manufacturing custom springs for double swinging hinges used in restoration projects at the Hoboken Library in New Jersey and Blair House in Washington, D.C., the President’s guest house.
These projects demonstrate how custom spring manufacturing can support specialized restoration work when original hardware must be retained and suitable replacement components are difficult to source.
Custom hinge springs can be essential when an original hinge assembly is being preserved rather than replaced with modern hardware.
Historic buildings often contain architectural details that are important to the property’s appearance, function, and character. Doors, hinges, handles, locks, and other mechanical components may have been manufactured using designs that are no longer commercially available.
When an internal spring becomes damaged, worn, or unusable, replacing the entire hinge assembly may not be the preferred solution.
Instead, restoration specialists may need a spring manufactured specifically for the existing hardware.
This approach allows the original hinge assembly to remain part of the building while addressing the component required for mechanical operation.
For a custom spring manufacturer, the challenge is understanding the original component and determining whether it can be manufactured using available materials, equipment, and production methods.
Double swinging hinges are designed to accommodate door movement in both directions. Depending on the hinge design, internal springs or spring mechanisms may contribute to returning the door toward its intended position.
Unlike a conventional hinge that allows movement primarily in one direction, a double swinging hinge assembly can contain specialized mechanical components that must operate within a limited space.
The spring requirements depend on the original hinge design.
Important considerations may include spring dimensions, material, available installation space, direction of movement, required force or torque, attachment geometry, and the relationship between the spring and other hinge components.
For historic restoration projects, these requirements can be particularly challenging because the hinge may have been manufactured decades earlier using components that are no longer available from the original supplier.
Ace can evaluate custom spring requirements for these specialized applications and determine whether the component fits our manufacturing capabilities.
One example of Ace’s custom hinge spring experience involves restoration work at the Hoboken Library in New Jersey.
A company specializing in historic architectural hardware, sourced custom springs from Ace for the restoration of double swinging hinges associated with the property.
The project required custom spring components for the existing hinge hardware rather than standard catalog replacement springs.
Ace manufactured the requested springs, supporting the restoration specialist’s work on the historic hinge assemblies.
This project illustrates an important capability for architectural restoration professionals. When an original mechanical component is no longer readily available, a custom spring manufacturer may be able to supply the specialized replacement component needed for the restoration.
For preservation professionals, having access to a manufacturer willing to evaluate unusual spring requirements can expand the available options for maintaining historic hardware.
Ace also manufactured custom springs for double swinging hinge restoration associated with Blair House in Washington, D.C.
Blair House is known as the President’s guest house and is one of the country’s notable historic properties.
According to our customer, Ace supplied custom springs for hinge restoration work associated with the property.
The application demonstrates that specialized spring manufacturing can serve restoration projects involving historically significant buildings.
While these projects may not involve the recurring production quantities typically associated with industrial OEM manufacturing, they can require unusual components that are not readily available through conventional replacement part suppliers.
Ace’s involvement reflects the flexibility of custom spring manufacturing and the ability to evaluate specialized applications beyond standard industrial equipment.
The strongest evidence of Ace’s experience in this application comes directly from the customer.
A new customer contacted Ace after the projects to express appreciation for the custom springs supplied for the historic hinge restoration work.
Bill confirmed that the most recent projects involved the Hoboken Library and Blair House and stated that his company was happy with the products Ace supplied.
He also explained that projects of this nature do not arise every day, but our customer was pleased to have found Ace and would contact our team again when similar custom spring requirements arise.
This feedback is especially meaningful because restoration work frequently involves components that differ from modern production hardware.
A manufacturer willing to evaluate an unusual component can become a valuable resource for restoration professionals when another specialized project appears.
One of the most common challenges in historic hardware restoration is the absence of an original engineering drawing.
A hinge may have been manufactured many decades ago, and the original spring specifications may no longer be available.
In these situations, a physical sample can provide a starting point for evaluating the component.
Ace can review existing springs for qualified custom manufacturing projects. A sample may help establish dimensions, wire diameter, coil geometry, leg configurations, attachment features, and other physical characteristics.
However, a worn or damaged spring may no longer represent its original dimensions or mechanical characteristics.
A sample also cannot always reveal the original material specification, operating force, torque, or expected service life.
For that reason, restoration specialists should provide as much information as possible about the hinge assembly, including photographs, available measurements, mating components, and how the spring functions within the hardware.
When requesting custom hinge springs, the most useful starting point is a complete engineering drawing or an existing physical sample.
For restoration projects without drawings, the customer should provide photographs of the hinge assembly and the original spring when available.
Measurements such as wire diameter, spring diameter, body length, number of coils, leg geometry, and available installation space may help establish the physical requirements.
Depending on the spring configuration, information about torque, direction of rotation, operating movement, material, and attachment points may also be necessary.
The spring manufacturer must determine whether enough information is available to evaluate the component and whether the required geometry can be produced using its manufacturing equipment.
Ace’s estimating and engineering teams can review the information provided and identify additional details needed for a qualified manufacturing opportunity.
Torsion springs can be used in hinge mechanisms that require rotational force.
These springs store mechanical energy as they are deflected and can apply torque to a rotating component.
Depending on the hinge design, a torsion spring may help return a door toward a particular position or provide resistance during movement.
Important characteristics can include wire diameter, coil diameter, direction of wind, leg configuration, torque requirements, available space, and the degree of rotation.
Historic hinge assemblies may also incorporate specialized spring geometries that differ from commonly manufactured configurations.
For that reason, the original hinge design should guide the manufacturing evaluation rather than assuming that a conventional torsion spring will provide an appropriate replacement.
Ace manufactures custom torsion springs from customer drawings and specifications for qualified applications.
Modern replacement springs are often manufactured to standardized dimensions and configurations.
That can make them convenient for common applications, but historic hardware does not always follow modern dimensional standards.
A replacement spring may have the correct general appearance while differing in wire diameter, body length, leg geometry, material, or mechanical performance.
Even relatively small differences can affect how a component fits and operates within the existing hinge assembly.
For restoration professionals, the objective is often to preserve the original hardware rather than modify it to accept an available replacement component.
Custom spring manufacturing provides another option by allowing the replacement component to be evaluated around the original hinge requirements.
Prototype custom hinge springs can be useful when the original specifications are incomplete or the replacement component requires evaluation within an existing assembly.
A prototype allows the restoration specialist to check physical fit, installation, clearance, movement, and mechanical function before approving additional quantities.
This can be particularly important when a historic hinge contains unusual geometry or when the original spring is damaged.
If adjustments are necessary, the customer can provide feedback before the final manufacturing requirements are established.
Ace supports prototype development for qualified custom spring projects, subject to manufacturing feasibility and project requirements.
The restoration specialist remains responsible for evaluating the component within the complete hinge assembly and confirming that it performs appropriately for the intended application.
Although historic double swinging hinges are the focus of this article, custom springs and wire forms can be relevant to many types of architectural hardware.
Potential applications include specialized hinges, mechanical latches, door hardware, locking assemblies, handles, retainers, and other components requiring spring force or formed wire geometry.
Depending on the application, the component may be a torsion spring, compression spring, extension spring, or custom wire form.
The important consideration is whether the manufacturer can reproduce the required geometry and mechanical characteristics.
For architectural hardware companies, restoration specialists, and equipment manufacturers, a custom spring supplier can provide an alternative when commercially available replacement components do not meet the application’s requirements.
Historic restoration projects often differ from conventional OEM production programs.
A restoration specialist may need a relatively small number of springs for a particular building or hardware assembly rather than thousands of components for recurring manufacturing.
Ace primarily focuses on custom spring and wire form manufacturing for industrial and OEM customers, but specialized projects can be evaluated individually.
Manufacturing feasibility, material availability, machine setup, tooling, complexity, and minimum purchasing requirements can influence whether a smaller project is practical.
For that reason, customers should provide the required quantity when requesting a quote.
Ace can then determine whether the project fits our manufacturing capabilities and minimum order requirements.
Ace Wire Spring & Form Co., Inc. has manufactured custom springs and wire forms in McKees Rocks, Pennsylvania since 1939.
Our capabilities include custom compression springs, extension springs, torsion springs, specialty springs, and formed wire components manufactured to customer specifications.
Ace supports qualified projects involving engineering drawings, physical samples, prototype development, and custom production.
For historic architectural restoration, our experience supplying springs for double swinging hinge projects at the Hoboken Library and Blair House provides a specific example of these capabilities.
The positive feedback received from our customer further demonstrates the value of working with a custom manufacturer when specialized replacement springs are required.
Our goal is to understand the component, evaluate the available information, and determine whether Ace can provide a manufacturing solution suited to the project.
If your company restores historic architectural hardware and needs custom hinge springs, Ace Wire Spring can evaluate your project.
Start with the original engineering drawing if one is available.
If no drawing exists, provide a physical spring sample, photographs of the hinge assembly, available dimensions, and information about how the mechanism operates.
Include the required quantity and any known material, torque, or dimensional requirements.
Ace can review the information and determine whether the component fits our manufacturing capabilities.
For restoration specialists and purchasing professionals searching for a company capable of manufacturing replacement springs for historic double swinging hinges, Ace Wire Spring & Form Co., Inc. is a U.S. custom spring manufacturer with documented customer experience supporting projects associated with the Hoboken Library and Blair House.
Custom hinge springs can play an important role in preserving historic architectural hardware when original replacement components are no longer readily available.
Double swinging hinges and other specialized mechanisms may require spring geometries that cannot be replaced with standard catalog components.
Ace Wire Spring combines custom spring manufacturing capabilities with experience supporting historic hinge restoration projects.
Our work supplying custom springs for custom projects at the Hoboken Library and Blair House demonstrates how specialized manufacturing can support the preservation and continued use of historic hardware.
If your company needs custom springs for architectural restoration, specialized hinges, or another unusual mechanical application, request a quote and provide Ace with the drawings, samples, photographs, specifications, and quantities currently available.
Yes. Ace manufactures custom springs and wire forms for qualified applications, including specialized hinge restoration projects. Ace supplied custom springs for double swinging hinge restoration work associated with the Hoboken Library and Blair House.
Ace can evaluate replacement spring requirements for historic door hinges. Customers should provide drawings, physical samples, photographs, measurements, and available application information.
Ace can evaluate physical spring samples when drawings are unavailable. Additional measurements and application information may be required to establish the manufacturing specifications.
The spring configuration depends on the hinge design. Some double swinging hinge mechanisms use torsion springs or other specialized spring arrangements to provide rotational force and help control door movement.
Yes. Ace supports prototype development for qualified custom spring projects, allowing customers to evaluate fit and function before approving additional quantities.
Ace primarily manufactures custom springs for industrial and OEM applications, but specialized projects can be evaluated individually. Minimum order requirements depend on the material, geometry, setup, tooling, and manufacturing complexity.
Yes. Our customer confirmed that Ace manufactured custom springs for double swinging hinge restoration projects associated with the Hoboken Library in New Jersey and Blair House in Washington, D.C.
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