WebJul 4, 2024 · A novel laser-assisted grinding process is developed to overcome the current technological constraints in the grinding of Si3N4. Ultra-short pulsed laser radiations are … WebDec 9, 2024 · An article includes a ceramic material and features a machined surface that is characteristic of cold ablation laser machining, and the machined surface exhibits no visible oxidation. A laser machining apparatus and technique is based on cold-ablation, but is modified or augmented with an inert assist gas, to minimize deleterious surface …
Laser-assisted grinding of silicon nitride by picosecond …
WebJan 20, 2024 · To achieve the cost-efficient production of zirconia parts, laser irradiation was introduced as a step before grinding. In this study, this hybrid process was investigated by measuring the grinding force and the specific grinding energy in grinding tests. WebDec 14, 2024 · Laser-assisted machining, in which a laser beam is a heat source for pre-softening the local area on a workpiece, is an effective hybrid method for machining … ledford automotive
sbm/sbm micro grinding force.md at main · sbm2024/sbm
WebApr 11, 2024 · Moreover, some supporting cutting techniques, such as laser-assisted cutting [10], ultrasonic vibration cutting [11] and ion-implant-assisted cutting [12] were developed to control the tool wear of the SCD. However, considering the cutting efficiency and cost, the current techniques do not meet the requirements of industrial applications. WebAug 31, 2024 · In this study, micro-grinding was performed to investigate the machining characteristics of alumina and zirconia. The machining of ceramics remains highly challenging owing to their properties, such as high brittleness and wear resistance, which leads to a shorter tool life and high machining costs. WebThe laser assisted micro grinding machine used in this work. This machine consist of : A variable high speed spindle with rotational speed up to 80,000 rpm. Cutting speed up to 200 mm/min. A relative low power laser (max … ledford body shop