Custom Spring Engineering
Through the years, Coiling Technologies, Inc., has strived to maintain an exceptional level of service in the spring industry. This is due to our highly skilled engineers, well-experienced staff, and our best practices that we apply to our manufacturing products and services.
We offer our customers comprehensive services beginning from requirement gathering and analysis, assistance in design, manufacturing springs that meet your requirements at an estimated cost, guidance on part manufacturability issues to control cost, Powder coating, stampings, heat treating, zinc or iron phosphating, non-destructive testing and packaging services.
Coiling Technologies, Inc., is always dedicated to meeting the requirements of our customers and delivering a high-quality product. We always stand ready to assist and fulfill the unique needs of our customers.
To know more about our products and services, please contact us.
Custom Spring Engineering Services FAQs
What do Coiling Technologies engineering services cover?
The published scope starts earlier than most buyers expect. It begins with requirement gathering and analysis, moves into assistance with design, and includes manufacturing the spring to your requirements at an estimated cost. Alongside that sits guidance on part manufacturability issues to control cost, plus the secondary operations a finished spring usually needs: powder coating, stampings, heat treating, zinc or iron phosphating, non-destructive testing, and packaging. Coiling Technologies attributes this to highly skilled engineers and experienced staff applying established best practices. Designing a spring from scratch against load and rate requirements is handled as its own service.
Why involve a manufacturer's engineers if I already have a finished drawing?
A drawing can be internally consistent and still be difficult or expensive to make. Common findings in a review include a rate and free length combination that puts the spring over allowable stress at solid height, an outside diameter leaving no room for coil growth under deflection, an end configuration that cannot be formed at the specified wire size, and a material called out in a condition that will not survive coiling. Catching those before release costs a review. Catching them after tooling and material are committed costs a program schedule.
How does engineering support help control the cost of a spring?
Guidance on part manufacturability to control cost is called out explicitly as part of the service, and it is where the largest savings usually sit. Cost in a spring is driven less by the part itself than by the decisions around it: a material specified tighter than the duty requires, a tolerance held closer than the assembly needs, an end configuration that adds a secondary operation, or a finish that forces an extra handling step. An engineer who knows what the shop can hold can tell you which requirements are carrying real cost and which are free, before the print is frozen.
Can you reverse engineer a spring from a sample part?
Yes. A physical sample plus whatever dimensional or load data you have is enough to start. Measurable geometry gives wire diameter, outside diameter, free length, total and active coil count, pitch, and end configuration, and rate and load points can be measured directly. Material is inferred from magnetic response, surface condition, and the application, and a chemistry requirement can then be written into the new print. This comes up regularly on obsolete equipment and aftermarket work where the original drawing no longer exists. What a sample cannot tell you is the original design intent, so include the load requirement if you know it.
What secondary operations can be handled alongside the spring itself?
Powder coating, stampings, heat treating, zinc or iron phosphating, non-destructive testing, and packaging are all named as part of the engineering service offering. Phosphating matters more than it sounds: it is a conversion coating that both provides light corrosion protection on its own and gives powder or paint a surface to key into, which is why a phosphate stage sits ahead of coating rather than replacing it. Consolidating these operations with the spring manufacturer removes the handoffs where parts get lost, mixed, or damaged, and keeps one quality record covering the whole sequence.
How does material selection work if I do not know which alloy I need?
Describe the duty instead of guessing at a grade: operating and peak temperature, the corrodents present, load and cycle count, and whether magnetic response or conductivity matters. That narrows the field quickly, and requirement gathering and analysis is the published front end of the service. Coiling Technologies works across carbon alloys, high strength carbon alloys, cobalt nickel alloys, copper based alloys, hot rolled alloys, Inconel nickel alloys, nickel alloys, stainless steel, and titanium, and can build to a customer specified standard such as an AMS or ASTM grade, or a sour service requirement written to NACE MR0175 and ISO 15156.
What does an in-house engineering group offer that an outside design consultant does not?
An outside consultant hands you a drawing and the manufacturing risk stays with you. Coiling Technologies engineers work in the facility that will coil, heat treat, peen, coat, and inspect the part, so a design leaving engineering has already been checked against real process limits: coilable material diameter, available heat treat conditions, the coating envelope, and inspection capability. Prototyping runs in the same building, so a design can be built and load tested before release to production. All of it sits under one ISO 9001:2015 quality management system with traceability from the finished spring back to incoming raw material.
