The assembly process of the spring machine is not a simple mechanical combination, but a combination of the various organic components in accordance with the requirements of the process flow and the standard, and each step should be strictly tested. Spring machine in the assembly process of the accuracy requirement is not only to take into account the geometric accuracy, but also take into account the physical aspects of the accuracy requirements.
 
  Assembly accuracy is the technical requirements of the spring machine in the process of assembly, can be divided into two major categories of geometrical parameters and physical parameters:
 
  ①Geometric accuracy requirements
  Geometric precision requirements include the gap, the nature of the coordination, the relative position accuracy, relative motion accuracy and quality of contact. Among them, the gap and the nature of the coordination can be unified as the size of the requirements, mainly refers to the size of the correlation between the zero and the distance between the components.
 
  In the assembly of the mutual position precision, including zero correlation between components and parallelism, perpendicularity, concentricity and the beating of the content. Relative motion accuracy refers to the relative motion between the relative motion and the relative velocity. Motion precision is more performance for the relative motion between the parts and components of parallelism and perpendicularity; relative speed and accuracy is also known as transmission precision, which requires zero between components and relative motion must maintain a certain degree of precision transmission ratio. The accuracy of the linear motion of the zero or the part of the motion is the basis of the relative motion accuracy. Contact accuracy refers to the size and distribution of the actual contact area between the contact surface.
 
  ②Physical precision requirements
  The accuracy of the physical direction is very large, such as speed, weight, fastening force, static balance, dynamic balance, sealing, friction, vibration, noise and temperature, etc., according to the specific types of machines and uses, the required content is different.
 
  Spring machine in the process of assembly accuracy requirements include the accuracy requirements and physical aspects of the accuracy requirements, only the components to meet the technical requirements of the process, after a rigorous process testing, the performance indicators meet the technical requirements, and through the acceptance of qualified products can be manufactured. Only in this way can we continue to create a domestic high cost CNC spring machine, in line with the user is responsible for the mentality, with the integrity of the business. The article originates from the Kaichuang spring machine: http://www.kcmcnc.com/.