There are two main methods for making springs: cold coiling and hot coiling.
Cold coiling: suitable for springs with a spring wire diameter of d≤8mm. This method is coiled in a cold state, and the commonly used material is high-quality carbon spring steel wire that has been cold-drawn and pre-heat-treated. After coiling, it is generally no longer quenched, and only low-temperature tempering is required to eliminate the internal stress during winding.
Hot coiling: suitable for springs with larger spring wire diameters (d>8mm). Springs coiled in a hot state must be quenched, tempered at medium temperature, etc. after coiling to ensure the performance and durability of the spring.
Types and uses of springs
There are various types of springs, mainly spiral springs, scroll springs, leaf springs and special-shaped springs according to their shapes. They are widely used in various mechanical equipment, such as automobiles, electronic equipment, furniture, etc., and play a variety of roles such as shock absorption, support, and transmission.
How to make springs by hand
Handmade springs can be made by following the steps below:
Prepare tools and materials: including ruler, pencil, scissors, pliers, tape, oil paper or sandpaper, etc.
Measure and draw lines: Use a ruler to measure the original length of the spring and draw lines where it needs to be folded.
Fold the spring: Clamp one end of the spring with pliers and fold along the drawn line, paying attention to keeping the shape and angle consistent.
Polish the surface: Use oil paper or sandpaper to polish and remove burrs and uneven places.
Fix the spring: Use tape to fix the folded spring together to prevent it from loosening.
