1. The operating environment of the high-temperature resistant spring is no strong solvent smell, less air pollution, and the wastewater treatment and discharge process is simple. Only the resin of pH sedimentation electrophoretic paint needs to be conditioned, and then clean water is discharged. We design the technological process for a domestic manufacturer: forming tension spring → shot peening → upper hanger → alkaline degreasing → double water washing → (slightly acid 1% neutralization) phosphating → double water washing → double deionized water washing → cathode system polyurethane colorful electrophoretic paint → recovery → double water washing → washing aid → baking and curing → lower hanger.

2、成果:喷丸的粒子会夹在耐高温弹簧的两端的缝隙内，喷丸致使粗糙外表，漆层也要相应地加厚，才有光亮平坦外观，有10-20微米厚，这么又致使绷簧的可缩短厚度变小，磷化会致使氢脆，削减不锈钢绷簧的使用寿命。

2. Results: shot peening particles will be sandwiched in the gaps at both ends of the high temperature resistant spring. Shot peening will cause rough appearance, and the paint layer should be correspondingly thickened to have a bright and flat appearance, with a thickness of 10-20 microns. In this way, the thickness of the tension spring can be shortened and reduced, phosphating will cause hydrogen embrittlement and reduce the service life of the stainless steel tension spring.

3、改善流程:成形绷簧→碱液光饰除油→离心摔水→上挂→碱性除油→双水洗→(微酸中和1%)磷化→双水洗→双去离子水洗→阴极体系聚氨酯五颜六色电泳漆→收回→双水洗→助洗→烘烤固化→下挂具。

3. Improvement process: forming tension spring → alkaline polishing degreasing → centrifugal water dropping → hanging → alkaline degreasing → double water washing → (slight acid neutralization 1%) phosphating → double water washing → double deionized water washing → cathode system polyurethane colorful electrophoretic paint → recovery → double water washing → washing aid → baking and curing → lower hanger.

4、光饰工艺是将耐高温弹簧直接放入歪斜离心式或许螺旋振荡式、涡流式等系列的光饰机中，并加入适当的研磨料、研磨剂和水，开展光整加工，光饰后的外表比喷丸的外表更光洁。而且削减传统工艺如如去油、清洁、酸洗、磷化、去氢等，出产工序简化，绷簧在出产过程的锈蚀时机少，不必酸洗。在外表上漆的厚度就可控制在10微米左右。

4. The finishing process is to put the high-temperature resistant spring directly into the skew centrifugal or spiral oscillation, vortex and other series of finishing machines, and add appropriate abrasive, abrasive and water to carry out finishing processing. The surface after finishing is smoother than that of shot peening. Moreover, the traditional processes such as degreasing, cleaning, pickling, phosphating and dehydrogenation are reduced, the production process is simplified, the corrosion time of tension spring in the production process is less, and pickling is not necessary. The thickness of paint on the surface can be controlled at about 10 microns.

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