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Jet flow supporting and testing device for turning long and thin rods

A technology of experimental device and jet device, which is applied in metal processing mechanical parts, measuring/indicating equipment, metal processing equipment, etc., can solve the problems of inability to obtain geometric shape accuracy, surface quality, bending deformation and vibration, and affect processing accuracy. Achieve the effect of simple structure composition and design, reduce deformation and suppress vibration

Inactive Publication Date: 2013-08-21
JIANGNAN UNIV
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AI Technical Summary

Problems solved by technology

During turning, it is easy to produce bending deformation and vibration, which affects the machining accuracy, and cannot obtain accurate geometric shape accuracy and ideal surface quality
Generally, in order to reduce the machining deformation of the workpiece, the tool holder is used when turning the slender rod, but if the two supporting blocks supporting the workpiece do not exert proper pressure on the part, the machining accuracy will be affected

Method used

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  • Jet flow supporting and testing device for turning long and thin rods
  • Jet flow supporting and testing device for turning long and thin rods

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] specific implementation plan

[0016] according to figure 1 , The jet support experimental device for slender rod turning is mainly composed of a jet device, a cutting force measurement device and a fixture device. The jet device includes a high-pressure pump 7, a motor 8, a trolley 9, an outlet pipe 12, a spray gun 13, and the like. The medium water (or coolant) is filtered from the tap (or water tank) and enters the high-pressure pump 7 from the water inlet pipe. After being pressurized by the high-pressure pump 7, it is sprayed out through the water outlet pipe 12 and the nozzle of the spray gun 12. The impact force generated by the jet It acts on the slender rod workpiece, provides auxiliary support for turning processing, and can offset part of the cutting force to reduce workpiece deformation. The high-pressure pump 7 is equipped with a pressure regulating valve 10 and a digital display pressure gauge 11. The pressure regulating valve 10 is used to adjust the pr...

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PUM

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Abstract

The invention provides a jet flow supporting and testing device for turning long and thin rods. The jet flow supporting and testing device comprises a jet device, a cutting force measuring device, a fixture device and the like. The jet device is formed by a handcart, a motor, a high-pressure pump, a water inlet pipe, a water outlet pipe, a spray gun, and the like. The cutting force measuring device is mainly formed by a universal dynamometer, an amplifier, a computer and the like. The fixture device is formed by a clamping piece, a clamping block, a rod piece, a connecting block, a supporting plate, a base plate and the like. The jet flow supporting and testing device can be used for carrying out jet flow basic experiments, carrying out jet-flow or non-jet-flow supporting contrast experiments on turning of the long and thin rods, studying the probability and practical application effects that jet flow is used as auxiliary supporting for turning of the long and thin rods.

Description

technical field [0001] The invention relates to the design of a jet support experimental device, in particular to a jet support experimental device for turning a slender rod, through which the possibility and practical application effect of using the jet as an auxiliary support for turning a slender rod are experimentally studied. Background technique [0002] The length to diameter ratio (L / D) of the slender rod workpiece is large (≥25), the rigidity is poor, and it is very sensitive to cutting force, vibration and cutting temperature. During turning, it is easy to produce bending deformation and vibration, which affects the machining accuracy, and cannot obtain accurate geometric shape accuracy and ideal surface quality. Generally, in order to reduce the machining deformation of the workpiece, the tool rest is used when turning the slender rod, but if the two supporting blocks supporting the workpiece do not exert proper pressure on the part, the machining accuracy will be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q17/09
Inventor 吕彦明徐看黄艳玲宋灿李强
Owner JIANGNAN UNIV
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