Cutting-stirring friction welding composite processing device for floating double-shaft-shoulder double-stirring needle and manufacture method thereof

A friction stir and double stirring technology, applied in the field of mechanical manufacturing parts processing, can solve the problems of difficulty in designing friction stir welding fixtures and lack of processing methods, and achieve the effect of promoting easy chip removal, good cooling, and avoiding burrs.

Inactive Publication Date: 2012-06-13
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, for parts with an internal closed cavity structure, such as condensing plates, in addition to split processing methods, traditional friction stir welding still lacks effective processing methods; in addition, friction stir welding is required in s

Method used

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  • Cutting-stirring friction welding composite processing device for floating double-shaft-shoulder double-stirring needle and manufacture method thereof
  • Cutting-stirring friction welding composite processing device for floating double-shaft-shoulder double-stirring needle and manufacture method thereof

Examples

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Effect test

Example

[0084] Example 1: Manufacturing and processing of marine aluminum alloy snake-shaped runner ice plate. 3003 aluminum alloy material, its size is 1.8m in length, 1.2m in width, and 12mm in thickness. It is processed by floating double shoulder and double stir needle cutting-friction stir welding combined processing equipment and its method. Floating double shoulder and double stir needle cutting- Friction stir welding compound processing technology: the rotation speed of the stirring head and the cutting knife is 1200r / min, the welding speed is 70mm / min, the argon gas is used as the shielding gas, the flow rate is 60L / min, and the water-based environmentally friendly milling fluid is used for milling For processing, the lead plate is used to take out the floating double-shoulder double-stirring needle cutting-friction stir welding compound processing tool, so that no keyhole is left on the aluminum alloy plate, and the hollow serpentine flow channel is cleaned by high-pressure ga...

Example

[0085] Example 2: Manufacturing and processing of aluminum alloy honeycomb runner ice plate for ice storage. 6061 aluminum alloy material, the size of which is 2.4m in length, 1.6m in width and 10mm in thickness. The aluminum alloy thick plate is fixed to the worktable by a clamp, so that the back of the aluminum alloy thick plate is padded without gaps, and the use of cutting-stir friction Welding combined processing equipment and method for processing; cutting-friction stir welding combined processing technology: the rotation speed of the stirring head and the cutting knife is 1000r / min, the welding speed is 50mm / min, and argon is used as the shielding gas. The flow rate is 42L / min, the water-based environmentally friendly milling fluid is used for milling processing, the cutting-friction stir welding compound processing tool is taken out with the lead plate, so that no keyhole is left on the aluminum alloy plate, and the hollow honeycomb runner is cleaned by high pressure gas...

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Abstract

The invention discloses a cutting-stirring friction welding composite processing device for a floating double-shaft-shoulder double-stirring needle and a manufacture method thereof, and particularly relates to a combined or composite processing device capable of simultaneously carrying out milling or cutting processing and stirring friction welding processing and a method thereof. The cutting-stirring friction welding composite processing device for the floating double-shaft-shoulder double-stirring needle integrates a cutting system or a milling system, a stirring friction welding system, a forced cooling system, a gas protection system, a temperature sensing system, a pressure induction system, a milling liquid supply system and a sensing-free system. The cutting-stirring friction welding composite processing device has functions of temperature control, gas protection, pressure detection, cooling liquid protection, milling head replacing and floating double-shaft-shoulder self-supporting stirring friction welding. The method for carrying out cutting-stirring friction welding composite processing on workpieces can meet strength requirements of mechanical processing of ferrous light metal materials, carbon steel materials and alloy steel materials. The cutting-stirring friction welding composite processing device for a floating double-shaft-shoulder double-stirring needle and the manufacture method of the cutting-stirring friction welding composite processing device reduce manufacture procedures, save processing cost, have the advantages of being high in efficiency, excellent in quality, high in stability and saving in energy, break through limitation of conventional machining technology, form a new method and a new thought for machinery processing, and have wide application prospects in industries of heating, air conditioners, ice manufacture, freshness keeping, medicine preparation, construction, aquatic products and foods.

Description

technical field [0001] The invention relates to the technical field of mechanical manufacturing parts processing, in particular to a cutting-friction-stir welding combined processing equipment based on floating double-shaft shoulders and double-stirring needles and a manufacturing method thereof. Background technique [0002] At present, for the manufacture of structural parts with internal closed cavities, the traditional manufacturing methods mainly include the use of profile welding, plate welding and bulging processing, or the entire workpiece is cut and then sealed with a cover plate. These traditional processing methods have many steps, long manufacturing cycle, high manufacturing cost, and the workpiece is easily deformed, which affects the strength of the structural part. [0003] In 1991, W.M.Thomas of the British Welding Institute (TWI) invented the friction stir welding technology. This new welding technology derived from the mechanical cold processing manufacturi...

Claims

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Application Information

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IPC IPC(8): B23P23/04B23K20/12B23K20/26
Inventor 罗键王颖
Owner CHONGQING UNIV
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