influence of grinding condition
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- influence of grinding condition
Grinding sufficiency is one of the primary assessments in the choice of crushing activity conditions since it impacts the adequacy, quality, energy utilization …
به خواندن ادامه دهید1. Introduction. Grinding is a high-efficiency and low-cost finishing process. However, the grains on the grinding wheel surface are often cut with a negative rake angle, requiring more energy to remove the same volume of workpiece material compared with other machining methods (such as turning and milling) [1].The generated heat will …
به خواندن ادامه دهیدVolume 22, Issue 1, January 2011, Pages 86-92. Original Research Paper. Influence of dry and wet grinding conditions on fineness and shape of particle size …
به خواندن ادامه دهیدThe results revealed that surface roughness could be reduced by about 87% under cryogenic condition over dry grinding. The fatigue tests carried out on the additive manufactured materials exposed a substantial increase of about 170% in their fatigue life when subjected to cryogenic grinding. Keywords: maraging steel, additive manufacturing ...
به خواندن ادامه دهیدVolume 236, Issue 22. https://doi/10.1177/09544062221110782. Contents. Get access. More. Abstract. Grinding is a manufacturing process which significantly …
به خواندن ادامه دهیدParthasarathy and S. Malkin [18] studied the effect of fluid flowrate conditions on the grinding behavior for both up and down grinding. Their experimental results indicated a lack of fluid reaching the contact region caused forces and roughness to increase in up grinding at low flowrate, while such effect was much less pronounced in down ...
به خواندن ادامه دهیدInfluences of grinding parameters on MRR. Generally, MRR is used to quantitatively evaluate BC. To investigate the influences of grinding force, belt speed and BC on MRR, experiments in terms of Table 4 were conducted and the results are displayed in Fig. 3.As the force increases from 20 to 80 N, MRR changes from 0.029 g/s to 0.223 …
به خواندن ادامه دهیدThe influence of grinding conditions on the production of fine particles and the width of the particle size distribution produced during ball mill grinding was investigated. The grinding ...
به خواندن ادامه دهیدSilicon carbide (SiC) is a typical, difficult-to-machine material that has been widely used in the fabrication of optical elements and structural and heat-resistant materials. Parallel grinding has been …
به خواندن ادامه دهیدThis paper describes the research on abrasive machining conditions and their influence on microhardness and residual stresses distribution in the technological surface layer of 20MnCr5 steel. The roughness of ground samples was also measured. Samples underwent a vacuum carburizing process (LPC) followed by high-pressure gas …
به خواندن ادامه دهیدThe grinding force is the most sensitive physical measure of reaction loads in the grinding process. To enhance surface quality and assure high efficiency and stability of the grinding process, it is essential to accomplish adaptive control of the grinding force. This paper suggests a grinding force adaptive control system based on spindle motor …
به خواندن ادامه دهیدThe surface roughness under cryogenic conditions can offer better surface finish (reduced from 5.94 µm to 0.259 µm) with low grinding forces (reduced by 57 %) and temperature as compared to dry ...
به خواندن ادامه دهیدThe breakage force generated by proper steel balls causes liberation fractures on the mineral interface and then realizes the main purpose of grinding . To study the influence of steel grinding ball sizes on the quality of ground products, this paper used steel balls of 8 different sizes under the same grinding conditions to obtain P80 ground ...
به خواندن ادامه دهیدPlastic flow along the grinding marks is the classic characteristic of grinding metal and alloy. Bhaduri et al. [] evaluated the influence of applying ultrasonic vibration when creep feed grinding nickel-based superalloys.It was indicated that smearing and side flow/plowing of the workpiece material were evident along the grinding marks, which …
به خواندن ادامه دهیدAbusive grinding conditions contribute to blunting of abrasive grains, which produces a larger contact zone between the abrasive grains and the specimen surface, which in turn produces a stronger overheating of the thin surface layer.
به خواندن ادامه دهیدGrinding is a general method to achieve precision machining. Grinding force which has a great influence on the durability of grinding wheels, specific grinding energy, surface quality of workpiece, deformation of process system, etc. is an important parameter to characterize the grinding process and results [].Therefore, the …
به خواندن ادامه دهیدIn order to study and reveal the influence of grinding process parameters such as grinding depth, feed speed, and wheel linear speed on the surface quality of the slider raceway, a series of ... state roughness only depends on the grinding condition rather than the dressing condition [7]. Pei-Lum Tso [9] carried out grinding experiments, and ...
به خواندن ادامه دهید, Shubham Sharma c., Mingzheng Liu a., Gao a. Zongming Zhou d., Xiaoming Wang a., Changhe Li a. Add to Mendeley. …
به خواندن ادامه دهیدThe influence of grinding conditions on the production of fine particles and the width of the particle size distribution produced during ball mill grinding was …
به خواندن ادامه دهید2.1 Temperature field model of cycloid gear grinding. The form grinding process of cycloid gear is a heat conduction process of moving heat source, as shown in Fig. 1.When the grinding wheel grinds the workpiece at speed v s, grinding depth a p, the heat is generated by friction on the grinding surface, which makes the tooth surface …
به خواندن ادامه دهیدUnder constant thermal stress, the residual stress value of the workpiece surface presented a decreasing trend, and the decrease was up to 64.8%. However, the change in grinding wheel speed did not remarkably influence on mechanical stress, and its maximum decrease was only 8.9%, which may be caused by two aspects. 1.
به خواندن ادامه دهیدBased on the grinding process parameters and wheel types, the systematic experimental investigation of creep feed grinding GH738 was carried out on grindability and surface integrity. By comparing the grinding force and temperature, the influence law and formation mechanism of grinding conditions on surface integrity of grinding GH738 …
به خواندن ادامه دهیدThe wear condition of the grinding wheel can be inferred from the workpiece roughness. Lower roughness values Ra and Rz indicate a blunting of the grinding wheel at constant machining parameters. ... Table 3 p values for the influence of the position on the grinding wheels after grinding and after dressing. Full size table. The underlying cause ...
به خواندن ادامه دهیدUltrasonic-assisted face diagonal grinding offers significant potential for drilling ceramic materials in their sintered state with high accuracy [1–6, 9].The altered engagement conditions of tool and workpiece which occur due to the axial feed movement combined with ultrasonic vibration in the same direction can have advantages, …
به خواندن ادامه دهید3.1 Evaluation of grinding worm wear status 3.1.1 Grinding worm surface. After the finished grinding process for spur gear at a normal stock of 0.30 mm and a shifting value of 0 mm/mm, part of grinding worm was removed from the wheel and it is shown in Fig. 3.By analyzing the stuck chips on the grinding worm surface, it can be concluded …
به خواندن ادامه دهیدThe influence of grinding conditions on the production of fine particles and the width of the particle size distribution produced during ball mill grinding was investigated. The grinding experiments were carried out varying the grinding ball diameter under dry and wet conditions. The relation between the weight passing size observed in an ...
به خواندن ادامه دهیدThus, the present work aims to carry out an analysis on the influence of the use of MLG in the grinding process, as well as on the morphology of the ground surfaces of Inconel 625 and 718, enabling a comparative analysis on the performance of this cooling-lubrication condition for superalloys with different properties.
به خواندن ادامه دهیدHowever, in the case of wet grinding, the grinding temperature at the wheel contact area was smaller than the thermal alteration temperature of the matrix resin in this experimental condition. 3. In the case of dry grinding, the influence of grinding heat increased with increasing setting depth of cut, and the estimated heat-affected layer with ...
به خواندن ادامه دهیدAs shown in Fig. 9, the specific grinding energy under different lubrication conditions was compared. The specific grinding energy of MQL and CNT biological lubricant was 35.89% and 55.78% lower ...
به خواندن ادامه دهیدder general grinding conditions. However, the specific force coefficients were derived from an existing static force model as the model can be represented as a function of depth of cut [22]. Chang and Wang [23] developed a stochastic grinding force model as a function of the grinding conditions and grit
به خواندن ادامه دهیدThe influence of rail grinding and its effect on rail surface and profile. Rail grinding is done with the help of a series of grinding stones, and each stone makes a small facet on the rail while grinding, as shown in Fig. 4. Several facets are created to completely grind the head of the rail and shape the profile.
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