Machining of High Strength Steels With Emphasis on Surface Integrity by air force machinability data center 2 docx
Machining of High Strength Steels With Emphasis on Surface Integrity by air force machinability data center_1 pot
... cutting conditions found when machining the actual production part. e assessment of a material’s machinability can be undertaken by two groups of tests, these are machining and non-machin- ing ... G-code. Conversely, a ‘non-modal’ G-code will only aect the programmed block in which it appears. Machinability and Surface Integrity 7 Machinability and Surface I...
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Machining of High Strength Steels With Emphasis on Surface Integrity by air force machinability data center_2 docx
... raised by > ;2. 5 times the optimum of 20 0 m min –1 , with all fac- ing operations being conducted at a ‘constant surface speed’ 12 of 550 m min –1 . Typical tool-life curves produce by the ... technique in conjunction with a strictly controlled and limited ma- chining strategy – based upon some form of ‘orthogo- nal array’ , in combination with the strength (i.e &...
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Machining of High Strength Steels With Emphasis on Surface Integrity by air force machinability data center_4 pot
... at high feedrates when high- speed machining. Machinability and Surface Integrity Figure 157. A chatter model, with potential chatter conditions and the application of the ‘stability lobe ... result of energy Machinability and Surface Integrity dissipation – heat transformation, which could result in decreased tool life, with the superu- ous eect of therma...
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Machining of High Strength Steels With Emphasis on Surface Integrity by air force machinability data center_5 pdf
... con- dition. Machinability and Surface Integrity Figure 163. Surface texture data- capture, with techniques for the derivation of the arithmetic roughness parameter: Ra. Machinability and Surface ... and position of the honing stroke, the hon- ing stick pressure (Vc). e inclination angle of the cross-hon- ing action, is a product of the up-/down-ward head motion (...
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Machining of High Strength Steels With Emphasis on Surface Integrity by air force machinability data center_7 ppt
... ‘T’. NB is rate of heat generation only exists within the primary and secondary deformation zones. By way of example of how the temperature genera- tion/distribution occurs in orthogonal cutting, ... severity data. ← 10k local /E* [°] → Tool finish: Surface texture data: Al/HSS: Cu/HSS: Brass/WC Steel/WC Ra [µm] ∆q [°] CVD-coated 0 .2- 0.5 3-7 1 .2 1.9 2. 8 1.8 Ground 0.1...
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Machining of High Strength Steels With Emphasis on Surface Integrity by air force machinability data center_8 doc
... For Cast steel/iron: Endurance limit = 0.45 tensile strength (i.e. up to tensile strength of 600 N mm 2 ), Endurance limit = 27 5 N mm 2 (i.e. above a tensile strength of 600 N mm 2 ). Non-ferrous metals/alloys: there ... of tool/workpiece anity associated with tem- Machinability and Surface Integrity • good quality and consistent workpiece material is to...
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Machining of High Strength Steels With Emphasis on Surface Integrity by air force machinability data center_9 docx
... application of the above equation for practical machining operations, due to the vast amount of machining data that is necessary to determine the parameters of this equation – producing considerable ... forming forces with very high- frequency acoustic emissions (AE). e application of AE in association with other Figure 177. The correlation of typical manufacturing c...
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Machining of High Strength Steels With Emphasis on Surface Integrity by air force machinability data center_10 ppt
... thrust force component, • F C = cutting force component, • F N = normal force component on the shear plane, • F S = shear force component on shear plane, • R = resultant tool force component, • ... degree of con- sistency in the dialogue only one particular company’s FEA product will now be described. Computer Simulation of Machining Processes – an Introduction By...
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Machining of High Strength Steels With Emphasis on Surface Integrity by air force machinability data center_11 pot
... 7.10 Surface Integrity of Machined Components – Introduction Previously in Section 7.5 concerning machined sur- face texture, the discussion was principally concerned with the resultant surface ... The eects of residual stress and deformations of a workpiece by machining. [After: Brinksmeier et al., 19 82] . Machinability and Surface Integrity Figure 185. The c...
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Machining of High Strength Steels With Emphasis on Surface Integrity by air force machinability data center_12 pptx
... Figure 189. The inuence of the cutting edge’s condition on the resultant machined surface integrity . Machinability and Surface Integrity condition degrades the functional performance, due ... long length-to-diameter ratios (i.e. L/D ratios of > 12: 1) with inadequate cool- ant supply, creating high levels of friction, this condi- tion being exacerbated by a...
Ngày tải lên: 21/06/2014, 22:20