Nail Excision Decision Tree

Q1) 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.

A thermoformed disc ending at a diameter of 2 cm and a thickness of 1 cm started from a disc with a diameter of 1 cm. What was the original thickness? 1 cm 2 cm 3 cm 4 cm O not enough info

Based on the table below, which of the statements below is/are correct regarding the 3D printing process shown in the schematic? Z AXIS X AXIS YAXIS LEGEND A: Extruder B: Nozzle C: Printed part D: Hot plate E: Filament Table 15.2 Melting and Glass Transition Temperatures for Some of the More Common Polymeric Materials Material Polyethylene (low density) Polytetrafluoroethylene Polyethylene (high density) Polypropylene Nylon 6,6 Polyester (PET) Poly(vinyl chloride) Polystyrene Polycarbonate Glass Transition Temperature [°C (°F)] -110 (-165) -97 (-140) -90 (-130) -18 (0) 57 (135) 69 (155) 87 (190) 100 (212) 150 (300) Melting Temperature [°C (°F)] 115 (240) 327 (620) 137 (279) 175 (347) 265 (510) 265 (510) 212 (415) 240 (465) 265 (510) a. This process is best suited for the low volume production of tubes, bars and beams due to the nature of the extrusion process b. Manufacturing a thermoplastic HDPE hose with an extrusion nozzle heated to 175C is possible with this process □c. You can…

Subject : engineering design - DFMA

Please answer 3c with working out and 3D as the others have already been answered and label each part

What material is being specified by this section line pattern? (Refer to Figure 6-2.)

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Q1) 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 vehicleswhich are to be built in a 20-month production period. The following parameters are in effect:• A single caliper is built at a time• The caliper has a height of 173mm.• Each layer is 32 µm thick• Only one laser is used• 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 12 seconds and 25 for every evennumbered layer• Every 8th layer is scanned twice, at 2.3 times the usual laser scan speed to provide additional heatinput 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 weeksof the year, with 10% of production time lost to unscheduled downtime.

A datum when used in manufacturing is primarily used for?     Define the functional relationship to another feature on a part, or they have a functional relationship in an assembly. They are the origin from which many Geometric tolerances are measured.     Datums are used to describe how one part must fit or align to a mating part.     A datum should be placed on the smallest surface of the part to be sure that the mating part would fit.     Datums assure that parts will always fit together.

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Can you please answer these 3 questions from material engineering.....

Why is a solid collet safer than a split collet?

How’s ASTM D2041 related to ASTM D2726 ??

Which of the following are achieved by post printing processing? Select all correct answers. A. Smoother feel B. Higher durability C. Antimicrobial resistance D. Color What is the reason most 3D printed products do not have a smooth finish after coming out of the printer's tray? A. Printing file size and model resolution B. The layering fabrication method C. The material attributes D. The interaction with support materials Which of the following are post processes that can be applied on 3D printed objects? A. Sand paper polishing B. Lacquering C. Metal coating D. Thermal treatment What does Distress and Patina post processing aim to achieve? A. Product smoothness B. Product sturdiness C. Glossy finishing D. Antique/vintage look and feel

This problem is not part of a graded assignment. Solve this problem and show all of the work

1. What best describes this print? * A. Casting B. Forging C. Welding D. Machining 2.  There are GD&T Feature Control Frames on the Print. Check the types that apply. * Flatness Parallelism True Position 3. What company specification number is given to the material for this part?

Question 2 1. What is a First Article Inspection and why it is needed? Explain briefly (with the help of the following drawing)the steps that you take to prepare FAI in terms of design, manufacturing, and inspection of any part First Article Inspection Requirements RAW MATERIAL DRAWINGS, STANDARDS, SPEC SHEETS SPECIAL PROCESSING REQUIREMENTS TEST SPECIFICATIONS PROCEDURES SPECIAL PROCESSES (ANODIZATION, CLEANING ETC,). RAW CONVERSION FUNCTIONAL MATERIALS PROCESSES (MACHINING, CASTING ETC.) TESTING (AL6061 T6, 301SST etc.) CERTIFICATE OF CONFORMANCE TEST CERTIFICATE OF CONFORMANCE DIMENSIONAL MEASUREMENTS RESULTS MANUFACTURING ENGINEERING

A typical water-to-oil ratio for emulsified oils is which one of the following: 20:1 5:1 10:1 30:1 50:1