Magnesium alloy and device and method for machining magnesium alloy handrail ring of wheelchair

A wheelchair armrest and magnesium alloy technology, applied to magnesium alloy materials and their application fields, can solve the problems of low plastic deformation capacity, stress concentration, material failure, etc., and achieve excellent conduction and heat dissipation performance, small elastic modulus, and fine texture. Effect

Active Publication Date: 2013-01-09
太原市汇镁镁业科技有限公司
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  • Claims
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Problems solved by technology

[0003] The existing typical deformed magnesium alloys at home and abroad include AZ31, AZ61, and ZK60 grades, which have a certain tensile strength under the greenhouse, but the plastic deformation capacity is not high, except that the matrix magnesium is a hexagonal structure with fe

Method used

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  • Magnesium alloy and device and method for machining magnesium alloy handrail ring of wheelchair
  • Magnesium alloy and device and method for machining magnesium alloy handrail ring of wheelchair

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Embodiment Construction

[0033] figure 1 , figure 2 As shown, the device for processing the magnesium alloy wheelchair armrest ring of the present invention includes a bracket 6, which is characterized in that the fixed sheave 1 is arranged on the bracket 6, and the fixed sheave 1 is fastened to the central fixed shaft 7 through a keyway. A toothed disc 2 is arranged below the fixed sheave 1, and the toothed disc 2 is connected with the central fixed shaft with a bearing. The driving gear 3 and the toothed disc 2 are meshed according to the rotation ratio of 1:4, and a speed-regulating motor 9 is arranged under the driving shaft 8, and the speed-regulating motor 9 adjusts the speed of the toothed disc 2 as required. The adjustable pressing wheel 4 is installed on the chainring 2 by a fixed shaft, and the pressing wheel 4 is close to the sheave 1. A guide wheel 5 is set at the front end of the pressing wheel 4 at 80 mm, and a pipe clamp is set on the rim of the fixed sheave 1 and at a distance of 10...

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Abstract

The invention discloses a magnesium alloy, which contains 6.0 percent of Al, 1.0 percent of Zn, 0.3 percent of Mn, 3.0 percent of rare-earth elements, 0.8 percent of Ca and the balance of Mg, and belongs to the fields of magnesium alloy materials and applications thereof. A device for machining a magnesium alloy handrail ring of a wheelchair comprises a bracket and a power device, and is characterized in that: a fluted disc and a fixed grooved pulley are arranged on the bracket through a central dead axle, and are coaxial with each other; the fluted disc is arranged below the fixed grooved pulley, and is provided with a compression wheel and a guide wheel; the power device comprises a speed regulating motor; a revolving shaft of the speed regulating motor is provided with a driving gear; and the driving gear is meshed with the fluted disc. Compared with the conventional magnesium alloy AZ31, the magnesium alloy disclosed by the invention has remarkably higher deformation capability and higher tensile strength. The high-stability second-phase-enhanced high-plastic-deformation magnesium alloy has typical physical properties, to be specific, the room-temperature tensile strength and the yield strength are 320-360Mpa and 260-290Mpa respectively.

Description

technical field [0001] The invention belongs to the field of magnesium alloy material and its application. Background technique [0002] At present, the main materials for manufacturing rehabilitation wheelchairs are steel / aluminum alloy, titanium alloy, carbon fiber, etc. Magnesium alloy is currently the lightest metal structural material in the world's practical applications. Its main advantages are: firstly, my country's magnesium resources are abundant, and its export volume ranks first in the world; its characteristics are high specific strength, strong specific rigidity, and strong shock absorption. , Damping is better than other metals, long-term use is not easy to deform, and can be recycled and reused. It is recognized by the world as the "green engineering material" in the 21st century. It is also a new material that encourages cross-field development during the 12th Five-Year Plan period. The wheelchair made is lighter than steel and aluminum alloy, and its specifi...

Claims

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Application Information

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IPC IPC(8): C22C23/02B21D7/08
Inventor 李志国王枫周贵平赵志龙
Owner 太原市汇镁镁业科技有限公司
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