DYJX-JC Machinery Design Basic Experimental Creative Combination Training Platform

Release time：2024-05-13 16:01viewed：times

Overview: The
creative combined mechanical system assembly tr*ning comprehensive experimental bench is manufactured with new concepts of mechanical basic innovation, teaching, experimentation, and tr*ning, using modularization, ergonomic design theory, and high-precision manufacturing technology. Equipped with multimedia simulation experiment teaching software, it is an essential experimental equipment for learners to consolidate basic mechanical theories and tr*n and master the practical skills of mechanical installation, debugging, and measurement (applicable to undergraduates and junior college students).
1. Purpose and significance of the experiment
1) Through the experiment, the boring mechanical concepts are intuitively reflected through the operation of entities. To enable learners to g*n interest in learning and consolidate theoretical concepts. 2) Through experiments, learners can establish clear concepts of
mechanical assembly, installation adjustment, coaxiality, parallelism and other geometric tolerances
. 3) Through experiments, obt*n the practical ability to analyze, evaluate and deal with the impact of mechanical processing errors, assembly errors and other system comprehensive errors on mechanical transmission performance.
4) Through experiments, learners can learn and master the use of mechanical measuring tools and acquire relevant knowledge of length measurement, angle measurement and other dimensions and geometric tolerance measurements.
5) The equipment can be operated on both sides by 6-8 students, and the parts are stored in an orderly manner for easy experimentation and management.
2. Experiment content
Experiment (tutorial) 1. The composition of the mechanical transmission system
Experiment 1: Mechanical system identification;
Experiment 2: Perform the locking (closing)/unlocking (opening) operation of the safety switch;
Experiment 3: Use a level to measure the orientation of the surface ;
Experiment 4: Assembling and aligning the motor
Experiment (tutorial) 2. Installation and measurement of ch*n connection
Experiment 1: Measure the actual size of the key and keyway;
Experiment 2: Make a flat key according to the given keyway;
Experiment 3: Assemble the shaft with the key and hub;
Experiment 4: Measuring shaft torque using a band brake.
Experiment (Tutorial) 3. Installation of the power transmission system
Experiment 1: Measurement of geometric dimensions of the shaft;
Experiment 2: Installation and calibration of rolling bearings;
Experiment 3: Installation of claw-shaped elastic coupling (quincunx elastic coupling);
Experiment 4 : Use a square ruler and feeler gauge to calibrate the two connected axes.
Experiment (Tutorial) 4. Installation and adjustment of V- belt drive
Experiment 1: Calculate the pulley ratio;
Experiment 2: Install and calibrate the low-power V-belt drive system;
Experiment 3: Determine the belt tension;
Experiment 4: Use the motor The adjustable support seat adjusts the tension of the belt;
Experiment 5: Use a tension tester to measure the tension of the belt;
Experiment 6: Analyze V-belt drive.
Experiment (Tutorial) 5. Installation and adjustment of ch*n drive
Experiment 1: Calculate the sprocket ratio;
Experiment 2: Install and calibrate the roller ch*n transmission system;
Experiment 3: Determine the allowable value of ch*n sag;
Experiment 4: Measure the ch*n sag ;
Experiment 5: Adjust the ch*n sag;
Experiment 6: Use the connecting link to install and remove the ch*n;
Experiment 7: Use the ch*n remover to install and remove the ch*n with connecting link.
Experiment (Tutorial) 6. Installation and adjustment of spur gear transmission
Experiment 1: Calculate the gear transmission ratio;
Experiment 2: Install and calibrate the spur gear transmission system;
Experiment 3: Determine the tooth side clearance in the gear transmission;
Experiment 4: Gear Adjustment of side clearance;
Experiment 5: Orthogonal helical gear transmission;
Experiment 6: Gear transmission analysis.
Experiment (Tutorial) 7. Installation and adjustment of multi-axis transmission
Experiment 1: Calculate the speed and speed ratio of the shaft of the multi-axis transmission gear drive system; Experiment 2: Determine the direction of gear rotation; Experiment 3: Install and calibrate the multi-axis transmission system; Experiment 4: Installation and benchmark of sleeve coupling.
Experiment (Tutorial) 8. Comparative analysis of the performance of standard-compliant and processed out-of-tolerance transmission parts
. Experiment 1: Comparative analysis experiment of the impact of gear processing accuracy level on meshing performance.
Experiment (Tutorial) 9. Overlap and Operation Analysis of Axial Force Transmission Parts
Experiment (Tutorial) 10. Overlap, Operation and Analysis of Crank-Rocker Working System
Experiment (Tutorial) 11. Overlapping of Crank-Slider Working System Connection, Operation and Analysis
Experiment (Tutorial) 12. Combination of Belt Drive and Gear Drive
Experiment (Tutorial) 13. Combination of Gear Drive and Ch*n Drive
Experiment (Tutorial) 14. Combination of Belt and Ch*n Drive
Experiment 1: Belt and Ch*n Drive Combination;
Experiment 2: Experiment on dual-shaft cylindrical gear transmission scheme.
Experiment (Tutorial) 15. Combination of V-belt drive and slider-crank mechanism
Experiment (Tutorial) 16. Combination analysis of ch*n drive and crank-link mechanism
Experiment (Tutorial) 17. Test and analysis of mechanism motion parameters
Experiment 1: V-belt drive-crank rocker mechanism test;
Experiment 2: Ch*n drive test;
Experiment 3: Spur gear transmission test;
Experiment 4: Compound gear transmission test;
Experiment 5: Belt-gear transmission test;
Experiment 6: Ch*n-gear transmission test;
Experiment 7: Multi-axis gear transmission test;
Experiment 8: Crank rocker Mechanism test;
Experiment 9: Crank slider mechanism test;
Experiment 10: Belt-crank rocker mechanism test;
Experiment 12: Gear-crank rocker mechanism test;
Experiment 13: Cam mechanism test;
Experiment 14: Sheave mechanism test;
Experiment 15: Belt drive-braking test;
Experiment 16: Ch*n drive-crank slider mechanism test;
Experiment 17: Belt-crank slider mechanism test.
3. Functions and features
1) This experimental bench can perform installation analysis of single axis, connection and operation measurement of collinear axis system and parallel axis system, installation, measurement and comparison of belt transmission, ch*n transmission, gear transmission and mechanical transmission system. analyze. Simple characteristic comparison under different speed and load conditions.
2) This experimental bench breaks through the traditional static concept of shaft system overlapping. After the shaft system overlapping is completed, the installation-related issues can be experienced through actual operation.
3) The experimental bench interconnects mechanical measurement and performance, and establishes an intuitive concept of accuracy in an operating environment.
4) During the installation process, master the use of relevant industrial measuring tools and directly improve your hands-on ability.
5) Comparative analysis of various transmission types to fully understand the characteristics and application scope of different transmission types.
6) Equipped with det*led experimental instructions.
4. M*n technical parameters of the system
1. Motor (2 units): 61K250RA-CF Voltage: 220V250W; Speed: 0-1440rpm
51K60RGN-CF Voltage: 220V60W; Speed: 0-300rpm
2. Linear displacement sensor (1): Range 150mm ;
3. Level instrument (can measure horizontal, vertical, 45°)
4. Grating angular displacement sensor (1): pulse number 1000p;
5. Dimensions: 2100×780×2050mm
6. Weight: about 400kg
7. Virtual simulation teaching Systematic
mechanical tr*ning safety education virtual simulation software: This software is developed based on unity3d. The software adopts the form of three-dimensional roaming, which can control movement through the keyboard and the mouse to control the lens direction. It is equipped with mechanical safety distance experiments, mechanical safety protection device experiments, and mechanical safety protection. Design basic assessment. When the experiment is in progress, the three-dimensional roaming screen uses arrows and footprints to prompt the user to move to the experimental location. The circle around the mechanical object shows the working radius. The experimental process is accompanied by a dialog box reminder of the three-dimensional robot.
A. The content of the mechanical safety distance experiment includes the safety distance experiment to prevent upper and lower limbs from touching the danger zone (divided into two fence heights and opening sizes). After selecting to enter, GB23821-2009 "Mechanical Safety to Prevent Upper and Lower Limbs from Touching the Danger Zone" pops up in front of the camera. "Safe Distance" requirements, error demonstration: The experimental process is that after the human body enters the working radius of the mechanical object and is injured, the red screen and voice prompts that the human body has received mechanical damage, and returns to the original position and conducts the next experiment. The last step is the correct approach.
B. Mechanical safety protection device experiments are divided into safety interlock switches, safety light curt*ns, safety mats, safety laser scanners and other protection device experiments. Optional categories (safety input, safety control, safety output, others), manufacturers, products List (safety interlock switch, safety light curt*n, safety mat, safety laser scanner, safety controller, safety relay, safety guardr*l). There is a blue flashing frame reminder at the installation location. Experimental process: select the safety guardr*l and install it, select the safety interlock switch (or select the safety light curt*n, safety mat, safety laser scanner) and install it, select the safety controller and install it in the electrical control box , select the safety relay and install it in the electrical control box, click the start button on the electrical control box. If you enter a dangerous area, the system will sound an alarm and the mechanical object will stop working. Select the reset button on the electrical control box to stop.
C. The basic assessment of mechanical safety protection design requires the completion of the installation of the mechanical safety system, and the correct installation of safety guardr*ls, safety interlock switches, safety light curt*ns, safety mats, safety laser scanners, safety controllers, safety relays, 24V power supplies, signal lights and Emergency stop button, the assessment is divided into ten assessment points. Some assessment points have 3 options, which are freely chosen by the students. After selecting the final 10 assessment points, submit for confirmation, and the system will automatically obt*n the total score and the score of each assessment point. .
D. The software must be on the same platform as a whole and cannot be displayed as separate resources.
E. At the same time, we provide customers with the VR installation package of this software to facilitate users to expand into VR experiments. VR equipment and software installation and debugging are not required.
Mechanical assembly and fitter assembly virtual simulation software: This software is developed based on unity3d, with optional 6-level image quality. It is equipped with design and virtual disassembly and assembly of reducers and shafting structures, design and simulation of common mechanical mechanisms, mechanism resource library, typical machinery Mechanism (virtual disassembly and assembly of gasoline engine), the software is a whole software and cannot be individual resources.
A. Reducer design and virtual disassembly interface can choose worm gear bevel gear reducer, two-stage expanded cylindrical gear reducer, bevel cylindrical gear reducer, coaxial cylindrical gear reducer, bevel gear reducer, and one-stage cylindrical gear reducer. Gear reducer.
Worm bevel gear reducer: After entering the software, the assembly content is automatically played. Each step in the video has a text description
. Secondary expandable cylindrical gear reducer: After entering the software, the content is played in the form of a video. The video content should include: Part name ( Scan the QR code to see the names of parts), disassembly and assembly demonstration (including disassembly and assembly), virtual disassembly (including overall, low-speed shaft, medium-speed shaft, high-speed shaft, box cover, box seat)
conical cylindrical gear reducer, Coaxial cylindrical gear reducer, bevel gear reducer, first-level cylindrical gear reducer: click to enter and automatically jump to the edrawings interface. The models are all three-dimensional models. By clicking on the parts, the names of the parts are displayed, and the 360° view is av*lable Rotate, zoom in, zoom out, pan, and move parts to disassemble and assemble the entire reducer. At the same time, you can select the home button to return to the original state of the reducer. The bevel gear reducer and first-stage cylindrical gear reducer have added the function of inserting a cross section, and the cross section can be freely dragged to observe the internal structure of the reducer.
B. Shaft structure design and virtual disassembly and assembly interface optional parts recognition, disassembly and assembly demonstration, and actual operation.
1. Parts recognition: three-dimensional model and part name including helical gear, non-hole end cover, coupling, coupling key, shaft, gear key, hole end cover, shaft sleeve, deep groove ball bearing, any All parts can be rotated 360°
2. Disassembly and assembly demonstration: There are 2 built-in cases. When you move the mouse to the position of a cert*n part (except the base and bearing seat), the part will automatically enlarge and the name of the part will be displayed. It is equipped with disassembly and Assembly button, the function is to automatically complete the disassembly and assembly of the shaft system structure by the software. All three-dimensional scenes can be rotated, enlarged, reduced and translated 360° in all directions.
3. Practical operation: The three-dimensional parts are neatly placed on the table. The students manually select the corresponding parts and move them to the shaft system structure. The parts can be installed only when they are placed in the correct order and in the correct position. There is a restart button to facilitate students to restart. Conduct virtual experiments. When you move the mouse to a cert*n part location (except the base and bearing seat), the part will automatically enlarge and the part name will be displayed.
C. Common mechanical mechanism design and simulation, optional hinge four-bar mechanism design and analysis, I\II type crank rocker mechanism design and analysis, offset crank slider mechanism design and analysis, crank swing guide rod mechanism design and analysis, hinge Four-bar mechanism with integrated trajectory, eccentric linear-acting roller push rod cam, and centering linear-acting flat-bottomed push rod cam.
1. Each mechanism should be able to input corresponding parameters, and the software can automatically calculate the parameters, and can perform motion simulation and automatically draw curves.
D. The mechanism resource library includes 11 types of planar link mechanisms, 5 types of cam mechanisms, 6 types of gear mechanisms, 8 types of transmission mechanisms, 11 types of tightening mechanisms, 6 types of gear tr*n mechanisms, and 8 types of other mechanisms (mechanical equipment simulation)
E , virtual disassembly and assembly of gasoline engines, optional crankcase assembly and disassembly demonstration, crankcase virtual assembly, valve tr*n assembly and disassembly demonstration, valve tr*n virtual assembly
1. Crankcase assembly and disassembly demonstration and valve tr*n assembly and disassembly demonstration both have disassembly button, assembly button, restart, and decomposition observation button. When the mouse is moved to a cert*n part position, the part will automatically enlarge and the part name will be displayed. The software automatically completes the disassembly and assembly of the shaft system structure. When using the decomposition observation button, the 3D model of the crankcase or gas distribution system automatically displays an exploded view, which can be rotated, enlarged, reduced, and translated 360°.
2. The 3D parts of the crankcase virtual assembly and the gas distribution system virtual assembly are neatly arranged When placed on the desktop, students manually select the corresponding parts and move them to the mechanism. The parts can be installed only when they are placed in the correct order and in the correct position. There is a restart button to facilitate students to re-perform the virtual experiment. When you move the mouse to cert*n part locations, the part names are automatically displayed.
5. Tool list

serial number	name	Specification	quantity	Remark
1	feeler gauge	150mm0.02-1	1
2	multipurpose level		1	Can measure horizontal, vertical, 45°
3	combination square	0-102mm	1
4	Dial indicator	0.01mm/grid	1
5	Magnetic watch base	203X63X6(LengthXWidthXHeight)	1
6	digital tachometer	Measuring range 0-999.9RPM/1000-9999.9RPM	1
7	Oil bottle	200ml	1
8	Steel ruler	0-1000mm	1
9	Vernier caliper	0-150mm	1
10	Outside diameter micrometer	0-25mm	1
11	Steel ruler	0-300mm	1
12	Allen wrench	1.5#-10#	1 set (9 pieces)
13	Dumb wrench	10-12	2
		12-14	2
		14-17	2
14	Noise meter	SJ-1	1
15	Phillips screwdriver	6 inches	2
16	Slotted screwdriver	3 inches 4 inches	1 each
17	Needle nose pliers		1
18	adjustable wrench	8 inches	1
19	half round file	Radius is about R8.5	1	Can file 17mm large inner hole
20	round file	7 inch	1
twenty one	vise	6 inches	1
twenty two	With tension measuring instrument		1
twenty three	rubber hammer		2
twenty four	flat file	10 inches	2
25	Hacksaw		1
26	Flat nose pliers	5 inch	1 set

6. Configuration list

serial number	Name and specification	quantity
1	Gear 1m2Z36	3
2	Gear 2m2Z24	2
3	Gear 3m2Z48	2
4	Gear 4m1.5Z26	2
5	Gear 5m1.5Z60	2
6	Gear 6m1.5Z64	1
7	Gear 7m1.5Z80	1
8	Gear 8m2Z80	2
9	Gear 9m2Z90	2
10	Small sprocket P=12.7Z=15	1
11	Middle sprocket P=12.7Z=20	1
12	Large sprocket P=12.7Z=30	1
13	Small pulley 34°	1
14	Middle pulley 34°	1
15	Large pulley 34°	1
16	The pinion m2Z36 is an incorrect design	1
17	The large gear m2Z48 is wrongly designed.	1
18	The small pulley is 37°. This is a wrong design.	1
19	Large pulley 31° This is a wrong design	1
20	Small sprocket This is an incorrect design P=12.7Z=15	1
twenty one	Large sprocket This is an incorrect design P=12.7Z=30	1
twenty two	Small helical gear I15° Mn=1.5z=26	1
twenty three	Large helical gearⅠ15° Mn=1.5Z=69	1
twenty four	Small bevel gear m=2Z=25	1
25	Large bevel gear m=2Z=50	1
26	Small helical gear II22° Mn=1.5Z=26	1
27	Large helical gear II22° Mn=1.5Z=69	1
28	Rolling bearing seat UP203	8
29	Rolling bearing seat UP205	4
30	Sliding bearing seat HZ020	4
31	Drive shaft 1	9
32	Drive shaft 2	2
33	Drive shaft 3	2
34	sleeve coupling	1
35	Claw elastic coupling	2 sets
36	Flexible intermediate disk	2
37	Cover cushion 82.8 high (24 pieces) 76.5 high (4 pieces) 33 high (4 pieces) 82.5 high (4 pieces)	36
38	washer	4
39	Adjustment shims (3 types) 0.1mm-12 pieces; 0.2, 0.3, mm-12 pieces each;	48
40	Axis Panel 1	1
41	Axis Panel 2	1
42	Belt drive plate	1
43	sprocket panel	1
44	gear panel	1
45	Expansion board 1	1
48	Expansion board 2	1
49	Expansion board 3	1
50	Shaft end ret*ning ring 1	10
51	Shaft end ret*ning ring 2	12
52	Shaft end ret*ning ring 3	10
53	Connecting rod Ⅰ	1
54	Connecting rod 2	1
55	crank	1
56	Slider pin	1
57	joystick	1
56	crank pin	1
57	articulated shaft	1
58	Sensor connection shaft	1
59	mechanism slider	2 sets
60	Mechanism bracket	2 sets
61	Mechanism slide r*l	1
62	Linear displacement bracket	1
63	Photoelectric encoder bracket	1
64	linear displacement connecting shaft	1
65	horseshoe card	1
66	Photoelectric encoder	1
67	linear displacement sensor	1
68	brake hub	1 set
69	Motor activity adjustment nut	4
70	brake	1 set
71	Motor adjustment seat	1
72	Motor coupling inner hole￠12	2
73	AC motor 6IK250RA-CF	1 set
74	AC reduction motor 5IK60RGN-CF	1 set
75	Optical axis motor base	1
76	Motor and other high base	1
77	ch*n tensioner	1
78	Contour point adjustment block	2
79	With tension measuring instrument	1
80	ch*n	1
81	Belt type A 900	1
82	Wheel groove gauge 1 Y type	1
83	Wheel groove gauge 2 Z, A, B, C type	1
84	Wheel groove gauge 3 D, I type	1
85	Belt type gauge 1 Y, Z, A, B, C type	1
86	Rack gauge: m=1.5, 2; m=2.5, 3; m=4, 5;	1 each, 3 in total
87	Backing plate 180×70×10	1
88	clip	67
77	Round head flat key 5×5×20	15
78	External hexagonal screw M4×10	8
79	External hexagonal screw M8×110	50 sets (pieces)
80	External hexagonal screw M8×25	20 sets (pieces)
81	External hexagonal screw M8×60	6 sets (pieces)
82	Mechanical system innovative design overlap assembly tr*ning test bench	1
83	Electrical control box	1 set
84	Data collection box	1
85	Institutional testing software	1 set

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