Spring processing technology after what development stage?

At present, the processing equipment and processing production line to the numerical control mechanical springs ( NC) And the computer control ( CNC) The depth and breadth of development. But as the change of spring material, and a few new, processing technology also have development. Spring manufacturer will give us the below. ( 1) Change spring diameter, defect and stainless steel wire diameter ( Three changes) Spring suspension system to keep no molding deformation processing. Since spring development design trible changers, always choose the Erlenmeyer round steel on the machining center machine production and processing, but the productivity and the price is not ideal. Now change to heating cases according to the compression spring machine, manipulation of the roll rate and tensile strength, get the necessary cone, and with the production and processing of waste heat recovery in heat treatment. ( 2) Hollow flat spring rod choose low carbon boron steel plate welding welding. ( 3) Torsion bar and the use of high purity of 45 steel, the induction hardening have high toughness and a lot of the remaining on the surface of the narrow ground stress, raise fatigue life and relaxation resistance. ( 4) Electronic equipment widely used in most of the leaf spring selects the stamping die and production processing automatic bending forming. At present the key is close connected technical development trend of polymer materials. 1, the cold forming process (spring 1) Cold forming process of disposable automation technology ability. Development trend of cold forming machine now to 12 feet. In the ( 0. 3 ~ 14) Within the scope of the mm stainless steel wire, mostly in eight claw shape function forming at a time. Forming technology of machinery and equipment development prospects: (1) improve the forming rate, the key development trend is to improve forming rate of machinery and equipment, namely the productivity; (2) according to improve precision of machinery and equipment * and strengthen the actual effect of quenched and tempered treatment to improve equipment performance; (3) improve the length and the laser range finder, CNC forming machine to carry out the automatic feedback control manufacturing process. ( 2) Cold forming technology category. At this stage the cable diameter spring compression spring machine, up to 20 mm,
specifications larger = 2000 mpa, convolute than 5. Variable diameter or diameter, such as the Minic - Block spring and axial force of spring cold forming technology still has limitations. 2, spring hot forming process ( 1) Hot forming process rate. In our country at present stage in the ( 9 ~ 25) The forming on mm specifications only CNC2 shaft hot spring coiling machine, large rate of
17 pieces per minute. Compared with capitalism * under difference is very big. ( 2) Big spring hot forming process control ability. Because only CNC2 shaft hot spring coiling machine, thus appearance manipulated three orientation effect, less precision is poor; And have no automatic rotation of round controlling and adjusting organization, therefore low hot coil spring forming technology and skills. So the spring precision level and air oxidation surface carburized level is low.
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