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Compression Springs
Compression springs are designed to create resistance to a compressive force. The Newcomb Spring Corporation uses the latest electronic gauges and equipment to monitor and control the length of these coil springs during the manufacturing process to ensure complete compliance to your specifications.
Standard compression spring bodies are:
- open-coiled
- helical shaped
- usually coiled with a constant diameter, though they can be produced in hourglass, cone and barrel shapes
Compression spring ends are often ground to increase operational life and to allow the spring to sit squarely on the load-bearing surface. Grinding also increases the number of active coils and the wire diameter available in a given volume of space which can result in higher loads or lower stresses. Our facilities operate with a wide variety of equipment - from hand-operated grinding tools to automatic, high-speed vertical spindle disc grinders.
There are many issues related to the design of a compression spring that should be considered, as these relate directly to the spring's performance. Manufacturing tolerance requirements, squareness of ends, deflection and the slenderness ratio are often overlooked in the design process. Newcomb's sales and engineering staff will gladly review your compression spring specifications with you and recommend the best options to control your costs and ensure the spring functions to fit your needs.
Newcomb Spring offers state-of-the-art spring manufacturing capabilities and produces parts out of:
- round wire
- square wire
- rectangular wire
- special section wire
Our material size range is .004-inches to 2.0 inches.
Compression Spring Formulas for Dimensional Characteristics
When applying the given data to solid height, one should remember that the formulas do not consider the fact that the actual solid height may not be the same as calculated, due to improper seating of the coils, variation in the grinding process, normal variation in wire size and electroplating. |
Spring
Characteristic |
Open |
Open &
Ground |
Closed |
Closed &
Ground |
| Pitch (p) |
|
|
|
|
Solid
Height (H) | d(Nt + 1) |
d x Nt |
d(Nt + 1) |
d x Nt |
Total
Coils (Nt) | na |
na + 1 |
na + 2 |
na + 2 |
Free
Length (L) | (p x na) + d |
p x na |
(p x na) + 3d |
(p x na) + 2d |
d = Diameter of Round Wire (in. or mm.)
L = Free Length
Nt = Number of Coils
|
na = Number of Active Coils
p = Pitch
|
Our nine ISO-certified manufacturing facilities are ready to offer design assistance, custom-package your spring and wire form part and ensure the springs we produce are 100% compliant to your specifications. Though we can manufacture coil springs, wire forms and stamped parts using virtually any material, the standard materials we use in the spring manufacturing process are:
- spring steel
- high carbon steel
- low carbon steel
- nickel plated carbon steel
- stainless alloys
- non-ferrous metals |
- elgiloy
- hastelloy
- monel
- inconel
- titanium |
As with all Newcomb Spring produced parts, we can customize and manufacture any component to fit your needs. We offer great prices, the highest quality and a quick turnaround and have provided customers with total satisfaction for over 100 years. Contact us today, or submit a quote request online, and experience the Newcomb Spring difference for yourself.
Click to request a compression spring manufacturing quote.
Newcomb Spring is a founding member of the Spring Manufacturer's Institute. Some content here has been used with permission of the SMI.
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