cold wrap spring cold wrap spring

cold wrap spring


cold wrap spring


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Cold wrap spring: an RHD specialty

Cold wrap spring consist in giving its shape to the spring while metal is cold. As it is not very easy and need specific machines, it can only be done by professional. RHD is a specialist of spring manufacturing that can create your springs according to your needs.


RHD, 60 years of experience in manufacturing springs


We are now included in among the most recognized players in the spring manufacturing field, thanks to the added value we bring, the quality of the advices and accompaniment offered to the customers, and our involvement in all tasks that are entrusted to us. This path of excellence also helped to restore our reliability not only on the French market, but also on the international market. RHD group is a great player in the manufacturing of industrial springs.


The strategy of development of the company is based on a politic of continuing investment, a better involvement in the international market, a strategic direction turned to the most reliable niches markets as the car and cosmetics industries, and the deployment of high-tech productions means. Present in this domain for more than 60 years, RHD group has been created by Georges Huon and his family in 1959.


Hot and cold wrap spring, a difference in size


Cold wrap spring is made of steel wires. These are up to 20 mm diameter, precisely so that the cold manufacturing process can be done properly. Instead, hot wrapping can be done on 94 mm bars. For a process or the other, compliance to set standards is essential to ensure that spring does not endanger its user.


Volute springs are often made by a process of cold wrapping. The resistance of this type of spring is higher than the helical ones’, and the most frequently used raw material is steel, with high concentration of carbon.


RHD, the reference for the design of springs


Cold wrap spring is one of the RHD’s main products. For more than 50 years, this company is has been specialized in the manufacturing of different types of spring. To satisfy their customers, RHD’s experts make sure to understand their needs and expected use of the product.


Afterwards, these experts are able to advise them on the raw material to be used, the appropriate resistance or adequate soaking. In some cases, RHD already has the product in stock. Otherwise, its technical team designs customized spring to perfectly match the customer’s expectations. Even in that case, very large quantities can be produce.


When it launched its business in the 50s, the company was yet a RHD family business but his expertise, experience and its products’ high quality allowed RHD to be known very quickly throughout the world. The springs manufactured by the leader of this market are intended for various industries, ranging from aviation to rail through medical.