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Article
Femtosecond laser for glaucoma treatment: a study on ablation energy in pig iris
Safe and effective laser ophthalmic surgery requires a fine balance between the efficiency of laser delivered and the degree of collateral side damage. The laser–ocular tissue interaction process is reliant on...
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Article
Performance of Uncoated and Coated Carbide Tools in the Ultra-Precision Machining of Stainless Steel
Ultra-precision machines are widely used to turn aspherical or spherical profiles on mould inserts for the injection moulding of optical lenses. During the turning of a profile on a stainless steel mould inser...
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Article
Sub-microdrilling with ultrafast pulse laser interference
A novel sub-microdrilling technique utilising the phenomenon of ultrafast pulse laser interference is reported. This technique overcomes the feature size limit of conventional laser micromachining. The method ...
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Article
Evaluation of machining performance of STAVAX with PCBN tools
A study was undertaken to investigate the wear characteristics of polycrystalline cubic boron nitride (PCBN) cutting tools and surface integrity during machining of STAVAX (specialised stainless steel) with an...
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Article
Tool Wear in Ultra-Precision Diamond Cutting of Non-Ferrous Metals with a Round-Nose Tool
Tool wear causes the loss of the original profile accuracy of the cutting edge and degrades the form accuracy of machined surfaces. The purpose of this research is to clarify the tool-wear mechanism and its ef...
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Article
Laser writing techniques for photomask fabrication using a femtosecond laser
Photomasks are the backbone of microfabrication industries. Currently they are fabricated by a lithographic process, which is very expensive and time consuming since it is a multi-step process. These issues ca...
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Article
Wear of CBN Tools in Ultra-Precision Machining of STAVAX
CBN cutting tools are widely used in ultra-precision machining of STAVAX (specialized stainless steel) mould inserts for injection moulding of optical lenses. This paper will report on experiments carried out ...
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Article
New Materials and their Machining
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Article
Recent Advances in Machining of Silicon Wafers for Semiconductor Applications
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Article
Form Error Characterisation by an Optical Profiler
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Article
An Acousto-Optic Vibrometer for Measurement of Vibration in Ultra-Precision Machine Tools
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Article
Ductile Regime Finish Machining - A Review
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Article
Self-Compensated Heterodyne Laser Interferometer
The heterodyne laser interferometer has gained popularity in applications as an encoder system in ultra-precision machines. It can provide ultra high resolution, which satisfies the requirements of ultra-preci...
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Article
Dynamic Error Compensation of Coordinate Measuring Machines for High-Speed Measurement
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Article
Optimum Tolerance Allocation in Assembly
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Article
Applying the Coordinate Tolerance System to Tolerance Stack Analysis Involving Position Tolerance
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Article
Assembly Tolerance Stack Analysis for Geometric Characteristics in Form Control – the "Catena" Method
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Article
Product and process dimensioning and tolerancing techniques. A state-of-the-art review
Dimensioning and tolerancing are important engineering processes in the different phases of a product development cycle. The two main phases in a product cycle where dimensioning and tolerancing techniques are...
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Article
Process sequence optimization based on a new cost–tolerance model
Identification of the optimal production sequence and allocation of machining tolerance are important activities in process planning for reducing production cost. This paper presents an approach that is capabl...
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Article
A cost-tolerance model for process sequence optimisation
This paper concerns the modelling of cost-tolerance data for various manufacturing processes and the optimisation of process sequences based on minimum production cost. A natural spline model representing the ...
