14 What is Roughness? Answer the question relating it to the ABNT NBR 8004 standard (based on ISO 1302)
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14 What is Roughness?
Answer the question relating it to the ABNT NBR 8004 standard (based on ISO 1302)
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- 15 What is Roughness? Answer the question relating it to the Quantification of Roughness: ABNT NBR ISO 4287(2002)Calculation of Limits using ANSI B4.1 Standard Tables, when one of the design Features Exists. When calculating the limit tolerances for features that mate with purchased parts, the purchased part size must be known. This may be obtained be requesting a drawing from a vendor or, a caliper or micrometer can be used to obtain an accurate size. A shaft diameter of 1.2500" is to be pressed into a part using a FN3 interference (force) fit. Limits of size for the shaft diameter are 1.2500" and 1.2495". Determine the Limits of the hole diameter. Show all work.How’s ASTM D2041 related to ASTM D2726 ??
- Please give the right solution other wise skip to another expert. Calculate the fundamental deviation and tolerances and hence the limits of size for the shaft and hole for the following fit: 60 mm H8-f7. The diameter steps are 50 mm and 80 mm.Tooling Design ☐ Device need to be placed by Pick and place with accuracy of +/- 50um into nest. • Device size = 1.0 xo.8xo.6mm (Tolerance = +/-0.05mm all sides) 0.8 mm Y mm Z mm Y= Z= _mm, Explain mm, ExplainQ1) The redesigned brake caliper is manufactured using SLM from Titanium Ti6Al-4V alloy powder. How many SLM machines are required to manufacture parts for 450 vehicles which are to be built in a 20-month production period. The following parameters are in effect: 5 parts can be built at once on a single machine The caliper has a height of 173mm. Each layer is 64 µm thick 4 scanning lasers are used which share the scanning time for each layer The average laser scanning time for each layer with a single laser is 63 seconds The powder recoating time for every odd numbered layer is 18.6secondsand 38.75 seconds for every even numbered layer Every 8th layer is scanned twice, at 2.3 times the usual laser scan speed to provide additional heat input for in-situ heat treatment The SLM machine operates at a duty rate of 42% of the 24-hour day, Monday to Friday, for 48 weeks of the year, with 10% of production time lost to unscheduled downtime.
- (USCS units) A GO/NO-GO plug gage is needed to inspect a 1.000 ± 0.020 in diameter hole. A wear allowance is applied to the GO side of the gage. The allowance = 2% of the total tolerance band. Determine the nominal sizes of (a) the GO gage and (b) the NO-GO gage.Estimate the manufacturing cost for a simple machined component: a. Compare the costs for manufacturing volumes of 1, 10, 100, 1000, and 10,000 pieces with an intermediate tolerance and surface finish. Explain why there is a great change between 1 and 10 and a small change between 1000 and 10,000 pieces. b. Compare the costs for fit, intermediate, and rough tolerances with a volume of 100 pieces. c. Compare the costs of manufacturing the component out of various materials.What is notch sensitivity?
- What is abrasion resistance testing?Please solve no 4 (engineering tribology)A GO/NO-GO snap gage is required to inspect the diameter of a shaft that is 1.000 ± 0.020. A wear allowance of 2% of the entire tolerance band is applied to the GO side. Determine (a) the nominal sizes of (a) the GO gage and (b) the NO-GO gage
