Continuous processing method of nickel-titanium shape memory alloy square thin wire material
A memory alloy, nickel-titanium alloy technology, applied in metal processing equipment, metal wire drawing, metal extrusion, etc., can solve the problems of large size fluctuations, poor surface quality, and small weight of a single plate in the roller drawing method, and achieve a smooth and uniform surface Consistent, improved internal tissue performance, uniform and regular cross-sectional size
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[0027] It should be noted that the structures, proportions, sizes, etc. shown in this specification are only used to cooperate with the content disclosed in the specification for the understanding and reading of those familiar with this technology, and are not used to limit the conditions for the implementation of the present invention , any modification of structure, change of proportional relationship or adjustment of size shall still fall within the scope covered by the technical content disclosed in the present invention without affecting the effect and purpose of the present invention. .
[0028] At the same time, terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to limit this specification. The practicable scope of the invention and the change or adjustment of its relative relationship shall also be regarded as the practicable scope of the present invention without...
Embodiment 1
[0030] The invention discloses a method for continuously processing nickel-titanium shape memory alloy square thin wires, which comprises the following steps:
[0031] Step 1) surface-treating the Ф3mm nickel-titanium alloy thin round wire billet;
[0032] Step 2) performing square hot die drawing and hot roller drawing on the nickel-titanium alloy fine round wire blank after surface treatment in step 1), to obtain the nickel-titanium alloy square thin wire material;
[0033] Step 3) Perform square cold die drawing and online straightening heat treatment on the nickel-titanium alloy square thin wire in step 2), to obtain the nickel-titanium shape memory alloy square thin wire.
Embodiment 2
[0035] The invention discloses a method for continuously processing nickel-titanium shape memory alloy square thin wire, which comprises the following steps:
[0036] Step 1) surface-treating the Ф3mm nickel-titanium alloy thin round wire billet;
[0037] Step 2) performing square hot die drawing and hot roller drawing on the nickel-titanium alloy fine round wire blank after surface treatment in step 1), to obtain the nickel-titanium alloy square thin wire material;
[0038] Step 3) Perform square cold die drawing and online straightening heat treatment on the nickel-titanium alloy square thin wire in step 2), to obtain the nickel-titanium shape memory alloy square thin wire.
[0039]Preferably, the surface treatment in the step 1) is to clean and dry the Ф3mm nickel-titanium alloy thin round wire billet after hot drawing in the early stage, check and grind to remove cracks, folds, and burrs, and then coat the surface with graphite Emulsion lubricant, then fully dried at 100°...
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