Machine design project (mmh mdpr310423) summary table of design calculation parameters
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<b>HO CHI MINH CITY UNIVERSITY OF TECHNICAL PEDAGOGY</b>
<b>MANUFACTURING ENGINEERING FACULTYDEPARTMENT OF MACHINERY DESIGN FUNDAMENTALS</b>
<b>MACHINE DESIGN PROJECT (MMH:</b>
</div><span class="text_page_counter">Trang 3</span><div class="page_container" data-page="3"><b>Part 01: WORK SHAFT</b>
Power P (kW) 4,719 speed n(v/p) 67.57
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1.
Electric motor parameter table
</div><span class="text_page_counter">Trang 5</span><div class="page_container" data-page="5">Diameter of small pulley 160mm Diameter of big pulley 560 mm
The wrap angle of small pulley 145<small>°</small>
The force acting on shaft 914.53 N
</div><span class="text_page_counter">Trang 6</span><div class="page_container" data-page="6"><b>Part 04: GEAR DRIVE1. Input :</b>
Power on driving shaft<small>P1=5 , 755 kW</small>
+ Rotation speed on driving shaft<small>n1=226 , 984</small> rpm + Transmission ratio <small>u=u</small><sub>br</sub><sub>¿</sub> 3.15
Angle of inclination of teeth <sup>8</sup><sup>° 6 '</sup>
Number of gear teeth
</div><span class="text_page_counter">Trang 8</span><div class="page_container" data-page="8">Part 5 :<b>Shaft Design Calculation1. Force analysis diagram on gears</b>
</div><span class="text_page_counter">Trang 9</span><div class="page_container" data-page="9"><b>Shaft 1</b>
</div><span class="text_page_counter">Trang 12</span><div class="page_container" data-page="12">Bolt next to socket, d2 Cover and body flange bolts, d3 Socket cover screw, d4
Screw connect the door cover, d5 Flange connecting cover and body:
Box body flange thickness, S3 Box lid flange thickness, S4 Width of cover and body flanges, K3
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Outside diameter and screw hole center: D , D<small>32</small>
Width of bolt face next to socket: K2 Center of bolt hole next to socket: E và C<small>2</small> Gaps between details:
Between the gear and the inner wall of the box :
Between the top of the large gear and the bottom of the box : 1
(1..1,2). <small>1 ≥ (3..5). </small>
=10 mm 1 = 40 mm
Number of foundation bolts : Z Table 18.5/92 (2) Choose screws M8x22
</div><span class="text_page_counter">Trang 14</span><div class="page_container" data-page="14"><b>Part 8: TOLERANCE</b>
<b>1. Unified recording of 3 main sizes:a. Axis I:</b>
- The ball bearing inner ring uses ø 35<small> k6</small> - The bearing outer ring uses H7 <small>∅ 40H7</small>
- Install gears, pulleys, and couplings using H7/k6 <small>∅ 40H 7/k6</small>
<b>b. Axis II:</b>
- The ball bearing inner ring uses k6<small>∅ 5 0 k</small> - The bearing outer ring uses H7 <small>∅ 50H7</small>
- Install gears, pulleys, and couplings using H7/k6 <small>∅ 52H 7 /k6</small>
<b>2. Mounting position tolerance parameters of the shafts:</b>
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</div><span class="text_page_counter">Trang 18</span><div class="page_container" data-page="18">- Que thăm dầu:
Chức năng: khi vận tốc bánh răng được ngâm trong dầu. Chiều cao mức dầu trong hộp được kiểm tra qua thiết bị chỉ dầu là que thăm dầu.
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