rr210305 machine drawing

8/14/2019 Rr210305 Machine Drawing

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Code No: RR210305 Set No.1

II B.Tech. I Semester Supplementary Examinations, February -2007MACHINE DRAWING

( Common to Mechanical Engineering,Mechatronics,Production Engineeringand Aeronautical Engineering)

Time: 3 hours Max Marks: 80

1. Answer any Four of the following:

(a) Sketch Buttress thread and Acme thread form.

(b) Sketch two types of keys with proportions.

(c) Draw two views of double rivetted zig-zag.

(d) Draw two views of solid type flange coupling.

(e) Draw foot-step bearing for a shaft of 40mm.dia

(f) Draw three types of locking nuts. [47 1/2=30]

2. Figure 1 shows the details of a plummer block. Assemble all the parts and drawthe following views.

(a) H.S front view

(b) Top view

(c) End view as seen from left side. [25+15+10]

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Figure 1:

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(a) Draw three views of square headed bolt with Hexagonal nut and washer.

(b) Draw three types of rivets used in practice.

(c) Draw two views of split muff coupling used for connecting shafts of 35mm.dia.

(d) Draw any one type of pipe-Joint.

(e) Draw two views of bushed bearing. Mention major proportionate dimensions.

(f) Sketch various parts which are not sectioned commonly. [471/2=30]

2. Figure 2 gives the details of Air-cock. Assemble all parts and draw the followingviews.

(a) Sectional front view

(b) Top view

(c) Side view as seen from left. [25+15+10]

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Figure 2:

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(a) Sketch the proportional drawings of Knuckle and B.S.W. threads.

(b) Draw the proportional drawings of three types of keys used in the Assemblies.

(c) Draw the arrangement of Gib and Cotter Joint to connect shafts.

(d) Draw the proportional views of T-bolt and hook bolt.

(e) Draw the simple Journal bearing.

(f) Draw the views of Double riveted double cover butt Joint to connect plates of16mm. thick. [47 1/2=30]

2. Figure 3 gives the details of connecting rod end Assemble all the parts and drawthe following assembled views.

(a) Half sectional front view. (Top half in section)

(b) Top view

(c) End view (Left hand side). [25+15+10]

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Figure 3:

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(a) Draw proportionate drawing of eye-bolt.

(b) Two views of half-lop muff-coupling.

(c) Draw two views of spigot and Socket Joint used to connect shafts of 40mm.dia.

(d) Draw two views of Domed nut, Capstan nut and castle nut.

(e) Draw two views of single cover, Double riveted butt Joint toconnect plates of

16mm. thick.(f) Skectch the simple Journal bearing. [47 1/2=30]

2. Figure 4 gives the details of cross head. Assemble all the parts and draw thefollowing assembled views.

(a) Half sectional front view (Top half in section)

(b) Top view

(c) End view (R.H). [25+15+10]

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Figure 4:

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rr210305 machine drawing

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