Email: info@snmhardware.com Phone: 0086 18965075392
COMPRESSION SPRINGS
- Round, Rectangular, Square & Special-Section Wire
- Conical, Taper, Regular Round Shape
- Spring Steel,Carbon Steel, Stainless and More Materials
- All Ends Type
Spring Manufacturing Specifications
While we have listed some of the most common sizes, materials and manufacturing specifications, Newcomb Spring provides completely customized production of all springs and metal forms.
- Large Volume Orders, Short Runs & Prototypes – formed, assembled and packaged to meet your requirements.
- Proprietary Camera Gauge for Superior Quality – photographs and verifies each part, automatically adjusting production without shutdown.
- Kando Tech Centers – in all 8 manufacturing facilities you can work with our team and equipment to optimize designs and lower costs.
- Engineering Support – our team can provide expert design assistance on any order, or view our online spring design resources.
Shapes & Sizes
- Round Wire
- Rectangular Wire
- Square Wire
- Special Section Wire
Body Types
- Open-coiled compression springs
- Helical shaped compression springs
- Compression springs usually coiled with a constant diameter, though they can be produced with variable diameters and in hourglass, cone and barrel shapes.
Common Materials
- Spring Steel
- High/Low Carbon Steel
- Pre-plated Steel
- Stainless Steel
- Alloy
- Cold Drawn Wire
- Oil quenched steel wire
Design of Compression Springs
Many issues related to the design of compression springs should be considered, as these relate directly to the spring’s performance. Compression spring manufacturing tolerance requirements, squareness of ends, deflection and the slenderness ratio often are overlooked in the design process. SNM’s sales and engineering staff will gladly review your compression spring specifications. We can offer design assistance and recommend the best options to control costs and make sure the spring functions to fit your needs.
Compression Springs Parameters
Compression Springs Ends
Compression Spring Formulas For Dimension Characteristics
| Spring Characteristic | Open | Open & Ground | Closed | Closed & Ground |
| Pitch (p) | L – d ____ na | L ____ na | L – 3d ____ na | L – 2d ____ na |
| Solid Height (H) | d(N1 + 1) | d x N1 | d(N1 + 1) | d x N1 |
| Total Coils (N1) | 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 N1 = Number of Coils | Na = Number of Active Coils p = Pitch | |||
Here are just a small selection of the compression spring shapes we have produced, including:
- Anti-Vibration Spring
- Auger Spring
- Barrel Shaped Compression Spring
- Ends Closed & Ground
- Ends Closed & Not Ground
- Ends Open & Not Ground
- Ends Open & Ground
- Compression Spring with Tapered Ends
- Concave Compression Spring
- Conical Compression Spring
- Constant Coil Compression Spring
- Die Spring
- Handle Spring
- Hose Guard Spring
- Hourglass Shaped Compression Spring
- Hourglass Shaped Compression Spring with Straight Leg
- Magazine Spring
- Valve Spring
