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Ultrafine tungsten filament rope as well as preparation method and application thereof

A tungsten wire rope and ultra-fine technology, which is applied in the field of tungsten wire rope, can solve the problems that the production bottleneck of fine tungsten wire rope cannot be broken through, the industry requirements cannot be met, and the repeating position accuracy is low, so as to achieve breakthrough in production bottleneck, uniform force, The effect of filling the gap in the industry

Pending Publication Date: 2021-07-30
宝鸡志普有色金属加工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, the service life is low; on the other hand, the relatively thick rope body leads to low repeat position accuracy during transmission, which can no longer meet the requirements of the industry.
In addition, the existing tungsten wire rope, under the condition that the toughness and tension are guaranteed, but the thicker tungsten wire rope has a minimum bending diameter of 30mm, and when it is less than 30mm, the traditional tungsten wire rope will produce plastic deformation, which limits the bending use of the rope body. It is also used in the metal wire rope transmission device in the precision robot arm, its transmission accuracy is low, and it cannot meet the requirements of the industry; more importantly, it is currently impossible to break through the bottleneck of the production of fine tungsten wire ropes in China

Method used

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  • Ultrafine tungsten filament rope as well as preparation method and application thereof
  • Ultrafine tungsten filament rope as well as preparation method and application thereof
  • Ultrafine tungsten filament rope as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Such as figure 1 , figure 2 As shown, the present invention provides an ultra-fine tungsten wire rope, including a central strand 2 and an outsourcing strand, the outsourcing strand comprising, a pre-deformed first outsourcing strand 3.1 having a helical structure and a torque, and the original wire being directly wound the second outsourcing strand 3.2; a number of the first outsourcing strands 3.1, or a number of the first outsourcing strands 3.1 and a number of the second outsourcing strands 3.2 twisted on the periphery of the central strand 2 to form a tungsten wire rope.

[0028] Based on the above embodiment, the central strand 2 is wound by seven central filaments 1.2; the diameter of the central strand 2 is 0.083-0.135 mm.

[0029] In the present invention, the first outsourcing strand 3.1 is pre-deformed before winding to form a helical structure pre-deformed outsourcing strand with a pitch of 2.88-3.25mm, which realizes the pre-twisting function and can bet...

Embodiment 2

[0039] A method for preparing an ultra-fine tungsten wire rope, comprising: 1), winding several raw wires into central strands 2 or outsourcing strands;

[0040] 2) Pre-deform the first outsourcing strand 3.1 in the outsourcing strand in advance to form a pre-deformed outsourcing strand with a helical structure and torque; 3), wind several first outsourcing strands 3.1 around the central strand 2 around the central strand 2 to form a tungsten wire rope; or the second outsourcing strand 3.2 is wound around the center strand 2 around the center strand 2 to form an outsourcing strand layer, and finally the outsourcing strand layer is surrounded by a pre-deformed first outsourcing strand Strand 3.1, forming a tungsten wire rope.

[0041] Further, in step 3), the periphery of the center strand 2 is provided with several layers of outsourcing strand layers, and the first outsourcing strand 3.1 and the second outsourcing strand 3.2 on the periphery of the center strand 2 can be alter...

Embodiment 3

[0048] An application of the ultra-fine tungsten wire rope in the transmission control of the high-precision and high-tension precision robot arm of medical equipment. Because the tungsten wire rope has the characteristics of corrosion resistance and high temperature resistance, the service life of the robot arm transmission is improved; more importantly, through the preparation method of the ultrafine tungsten wire rope provided by the present invention, the ultrafine tungsten wire rope (rope Diameter: 0.36mm), the diameter of the ultra-fine tungsten wire rope is much smaller than that of the traditional steel wire rope (diameter>1mm), and the ultra-fine tungsten wire rope is softer because of its thinner minimum bending diameter, and the repeat position accuracy is higher High, can meet the precision requirements of precision robot arm transmission control, and the tensile force and flexibility of ultra-fine tungsten wire rope are far higher than the performance of traditiona...

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Abstract

The invention discloses an ultrafine tungsten filament rope as well as a preparation method and application thereof. The ultrafine tungsten filament rope comprises a central strand and outer wrapping strands; the outer wrapping strands comprise first outer wrapping strands and second outer wrapping strands; each first outer wrapping strand is pre-deformed and has a spiral structure and torque, and each second outer wrapping strand is formed by directly winding a precursor; and the plurality of first outer wrapping strands or the plurality of first outer wrapping strands and the second outer wrapping strands are twisted on the periphery of the central strand to form the tungsten filament rope. The structure of the tungsten filament rope is changed by controlling the pitch length of the central strand, the outer wrapping strands and the tungsten filament rope and increasing the pre-deformation process of the first outer wrapping strands, so that the feasibility of manufacturing the ultrafine tungsten filament rope is achieved, and the transmission control capacity of a high-precision high-tension precision robot arm in the medical industry is achieved; and therefore, the transmission control accuracy of the robot arm is ensured.

Description

technical field [0001] The invention relates to the technical field of tungsten wire ropes, in particular to an ultrafine tungsten wire rope, its preparation method and its application. Background technique [0002] With the development of precision medical devices at home and abroad, the requirements for the use of wire rope transmission devices in robotic arms for compound medical operations continue to increase. Previously, thicker traditional wire ropes (diameter> 1mm) were used for transmission. On the one hand, the service life is low; on the other hand, the relatively thick rope body leads to low repeat position accuracy during transmission, which can no longer meet the industry requirements. In addition, the existing tungsten wire rope, under the condition that the toughness and tension are guaranteed, but the thicker tungsten wire rope has a minimum bending diameter of 30mm, and when it is less than 30mm, the traditional tungsten wire rope will produce plastic de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D07B1/06D07B3/00
CPCD07B1/06D07B1/0673D07B3/00D07B2205/3082D07B2201/102D07B2201/1032
Inventor 符云舒
Owner 宝鸡志普有色金属加工有限公司
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