2. Select the drill-collar size and length for the following drilling conditions: Hole size=9 in, Casing size 7 in. with 8 in. OD coupling, drill collar ID=2%2 in, WOB-38,000 lbf, Mud SG-1.2 (water-1.0, steel-7.85), Hole inclination=15°, Design factor-1.2

Q: 5. a) Define and illustrate with your own sketches 3 classes of fit that apply to a hole /shaft…

A: Fit is characterized as a degree of tightness or detachment between two mating parts to perform…

Q: If you have a steel, through-hardened gear with a HB of 250, factor of safety of 1.2, at room temp,…

A: Given, Brinell hardness number,BHN=250Factor of safety, N=1.2 From the steel hardness conversion…

Q: What kind of shaft is generally designed to resist both bending and torsion?

A: Shaft: A shaft is a very important part of a machine which is used to transmit the rotary motion and…

Q: Write the definition for shafts?

A: Shafts are the rotating machine elements which are used to transmit power from one part to another.…

Q: 8. A hole of 20 mm diameter is to be drilled in a steel block of 40 mm thickness. The drilling is…

A: Solution:-Given thickness of steel block=40 mmapproach and over run together=d2=10 mmrotational…

Q: "Design a shaft face journal bearing for a fixed radial load of 1500 lb, while the shaft rotates at…

A: Given Load = 1500lb N = 850 rpm ==85060=14.166 rev/s D = 2.1 in To find Design of journal In this…

Q: For one pass turning of a shaft neck from Do= 64mm to Dr= 60 mm over an length I= 250 mm. the lath…

A: Given ,  Do = 64 mm Df = 60 mm Length of the shaft , L =250 mm Speed of cut , N =600 rpm Feed , f =…

Q: You have a round power-takeoff shaft guard. The inside diameter of the guard is 3.5 inches. You need…

A: We have round power takeoff shaft(PTO)The inside diameter of the guard is 3.5 inches.Clearance =1/2…

Q: Match each of the following terms to the phrase that describes it. Answers are used only once.

A: The correct match is: Drill spot           -     3Countersink      -     6Knurl                  -…

Q: I need help with this.

A: Note:We’ll answer the first question since the exact one wasn’tspecified. Please submit a new…

Q: Determine the effective burden and spacing for a "V" initiation pattern with a drill hole burden of…

A:

Q: The radial distance between the top of one gear tooth and the bottom of another gear tooth when two…

A: Answer is total depth

Q: how would you make the champhers on a lathe?

A: Chamfer refer to the slope  cut at any right edge of a work piece for example holes, ends of the…

Die Stock

Die stock is expressed as the type of component which is utilized for fitting purposes while creating or shaping uniform threads on tubes, pipes, or screws. The die stock (die handle) has three screws around the adjustable part of a particular machine that helps to locate the die. Also, die stock can endure on a variety of hex and split adjustable dies of several dimensions. One of the primary reasons for using die stock in industries is because die stock can be operated by hands. Commonly, it is made up of high carbon steel.