Controlling deformations of thin-walled Al 6061-T6 components by adaptive clamping

Yadav, Manisha; Mohite, Suhas S.

doi:10.1016/j.promfg.2018.02.076

Cited by 9 publications

(1 citation statement)

References 7 publications

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“…The paper [13] is a study case for a clamp mechanism design, solving both analysis and synthesis problems. The research [14] is devoted to machining thin-walled workpieces, including static workpiece displacements and large deformations caused by local indentations at contacts. It is obtained that machining strategy is essential for obtaining proper surface finish and fine control over dimensions and form.…”

Section: Literature Reviewmentioning

confidence: 99%

Mathematical Model of the Tensioning in the Collet Clamping Mechanism with the Rotary Movable Input Link on Spindle Units

Prydalnyi

Sulym

2021

JES

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Increasing machining productivity causes the cutting forces acting on tools or workpieces to grow and requires extra clamping forces for their fixation reliably. In the research, a mathematical model of the operation of the clamping mechanism for fixating cylindrical objects on the spindle of machine tools at the stage of tension is presented. The presented design of the mechanism contains screw gear and provides self-braking. Based on the calculation model, mathematical dependencies are developed to describe the relationship among the movements of the parts of the mechanism when clamping forces are growing. The presented analytical dependencies allow considering the stage of growing clamping forces separately when the conservative type of forces are prevailing in the mechanism’s operation. That stage of work when both types of forces of dissipative and potential characters exist is considered. The developed dependencies describe the position of parts of the clamping mechanism depending on the generalized coordinate. The angle of rotation of the input rotating link is used as the generalized coordinate. This fact allows calculating the position of the elements of the clamping mechanism of this type depending on time. Results of the research enhance understanding the pattern of the change in the interaction of the elements and forces that act in the mechanism during the final stage of clamping. The obtained mathematical dependencies are a precondition for the development of design methodology for mechanisms of this type.

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Section: Literature Reviewmentioning

confidence: 99%

Mathematical Model of the Tensioning in the Collet Clamping Mechanism with the Rotary Movable Input Link on Spindle Units

Prydalnyi

Sulym

2021

JES

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Study on machining deformation control of fiber‐metal laminates

et al. 2020

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When composite products are machined to designed shapes, geometrical deformations are generated with removal of materials, which is caused by release of residual stresses generated during the curing process of composite materials. Due to the uncontrollability of the deformation in machining process, both requirements of form and dimensional tolerances are difficult to meet. Inspired by the relationship between material removal and stress release of the slitting method, a deformation control methodology by introducing stress‐release‐groove in machining process was proposed. Residual stresses were firstly measured by using the slitting method and the distribution of residual stresses in thickness direction was estimated. Finite element model was then created and used to study the influence of machining process on geometrical deformation of the composite. It was found that the pre‐processing grooves can reduce the subsequent processing deformation and consequently improve the machining accuracy. To make the release of stress controllable, the influences of width, spacing, depth, and processing sequence of grooves on machining deformation were numerical studied.

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The Dynamic Model of the Automatic Clamping Mechanism with a Rotating Input Link

Prydalnyi

2021

Lecture Notes in Mechanical Engineering

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Controlling deformations of thin-walled Al 6061-T6 components by adaptive clamping

Cited by 9 publications

References 7 publications

Mathematical Model of the Tensioning in the Collet Clamping Mechanism with the Rotary Movable Input Link on Spindle Units

Mathematical Model of the Tensioning in the Collet Clamping Mechanism with the Rotary Movable Input Link on Spindle Units

Study on machining deformation control of fiber‐metal laminates

The Dynamic Model of the Automatic Clamping Mechanism with a Rotating Input Link

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