Notice on Holding the 20 10 National Vocational College Skills Competition in Secondary Vocational Schools Annex 2

Rules of Technical Skills Competition for Assembly and Debugging of "Yalong Cup" Electromechanical Integration Equipment

First, the content of the competition

According to the relevant materials and job descriptions provided by the organizing committee of the competition, the participating working groups have completed the following tasks:

1. Assemble equipment parts and mechatronics equipment according to assembly drawings and requirements;

2. According to the work requirements of PLC input and output terminals and mechatronics equipment specified in the work assignment, draw the electrical control schematic diagram and connect the circuit;

3. Connect the gas circuit of electromechanical integration equipment according to the pneumatic system diagram;

4. According to the working requirements of mechatronics equipment, write PLC control program and set inverter parameters;

5. Debug the electromechanical integration equipment and control program to meet the work and technical requirements of the test questions.

Second, the completion time

The competition stipulates that the time for completing all tasks is 4 hours.

Third, the equipment and equipment provided by the stadium.

1. Yalong YL-235A Optical-Mechanical-Electrical Integration Training Assessment Device

The parts and components used in YL-235A Optoelectronic Integration Training and Assessment Device are shown in the following table:

The serial number and name, main components and specifications of the modules provided by Yalong YL-235A Optoelectronic Integration Training and Examination Device. Note: 1 PLC module Mitsubishi FX2N-48MR or Panasonic FPX-L60 or Omron CPM2AH-40CDR+CPM 1A-8ER or Siemens CPU 226CN+EM228+08 relay output PLC 1 Two frequency converters are provided according to the requirements of the contestants.

Module Mitsubishi (E540 or E740) or Panasonic or Omron or Siemens inverter, working power supply, AC 380V；; ; Output power ≥ 0.75kW; 1 PCs with 3 power modules according to the requirements of the contestants 1 PCs.

Module CPU frequency ≥1.0 GHz; Memory ≥ 512mby; Hard disk capacity ≥ 40g; Operating platform Win 2000 or Win XP；; Install programming software including Mitsubishi, Panasonic, Omron, Siemens PLC display size ≥ 14 inch. A computer cart for placing a computer host and a monitor. 1 Settings 1. Programming software of Mitsubishi PLC;

①FXGP-Win-C

②GX developer version: on8.34L

2. Siemens PLC programming software:

Version 4.0 Step 7 SP5

3. Panasonic PLC programming software:

FP Win 2.73 Yalong YL-235A 1 mechanical part belt conveying provided by optical, mechanical and electrical integration training and assessment device.

The belt width of the machine part is 49 mm, the conveyor length is 700 mm, the feed inlet and feed detection sensor 1 set, the three-phase AC asynchronous motor with speed change device and coupling 1 set, and the three-way outlet.

Components: single-rod cylinder, magnetic switch, discharge chute, electromagnetic reversing valve, etc. 3 sets: 4 pneumatic manipulator components: single-rod cylinder, single-and double-rod cylinder, rotary cylinder, pneumatic finger cylinder, electromagnetic directional valve, magnetic switch, sensor, etc. 1 set: 5 feeding parts: 24V DC motor, disc, fetching platform, bracket, detection sensor, etc. 1 set: 2. Equipment.

(1) conductor for connecting circuit: single copper-core plastic insulated wire with specification of 0.75mm2; ;

(2) Special-shaped tube: special-shaped tube used for connecting conductor terminal numbers, with specifications of 1.0 or1.5mm2; ;

(3) Specification of the gas pipe connecting the gas circuit: Specification &; Oslash4mm and&; Oslash6mm

(4) Tie the cable tie of wire and trachea;

(5) Plastic trunking (used for installing wires) with specifications of 40mm×50mm.

Fourth, players bring their own tools.

1. Tools for connecting circuits: screwdriver (electric screwdriver is not allowed), wire stripper, electrician pliers, needle-nosed pliers, etc.

2. Circuit and component inspection tools: multimeter;

3. Mechanical equipment installation tools: adjustable wrench, internal and external hexagon wrenches (electric wrenches are not allowed), steel ruler, height ruler, level ruler, angle ruler, etc.

4. Test answering tools: ballpoint pens or signature pens (red ballpoint pens and signature pens are prohibited), HB and B pencils, triangular rulers (T-square is prohibited), etc.

Verb (abbreviation for verb) score

1. Scoring criteria and scores

According to the working group's completion of work tasks within the specified time, combined with the technical requirements of senior workers in the National Professional Standard for Maintenance Electricians, the scores were scored. The perfect score is 100.

(1) Correct 60 points

The installation position of components meets the requirements, and the coaxiality, levelness and position error are all within the required range. The circuit and gas circuit are connected correctly, the PLC control program meets the working requirements of electromechanical integration equipment, and the parameters of frequency converter are set correctly.

(2) Manufacturability 30 points

The process steps of equipment assembly and debugging are reasonable, the method is correct, and the use of measuring tools conforms to the specifications; The connection and wiring between the circuit and the gas circuit meet the technological requirements, safety requirements and technical requirements, and are neat, beautiful and reliable; The programming of PLC control program is simple, reliable, clear and scientific. The parameter setting of frequency converter is reliable and reasonable, which meets the technical specifications and safety requirements.

(3) Occupational safety awareness: 10.

All operations to complete the task conform to the safety operation procedures; Placement of tools, handling of packaged goods, wire ends, etc. Meet the requirements of professional posts and related industry standards; Save the PLC program in time according to the correct saving path; Observe the discipline of the stadium, respect the stadium staff, take good care of the stadium equipment and keep the workstation clean and tidy.

2. Deduction in violation of regulations

The following situations require players to deduct points from the competition results:

(1) After completing the task submission, if there is a short circuit, 30 points will be deducted, and if the equipment parts are loose, the equipment will not work normally 10 points will be deducted;

(2) In the process of completing the task, if improper operation affects yourself or others to complete the task, deduct 10;

(3) Damaging the equipment provided by the stadium, polluting the environment of the stadium, leaving tools in the stadium and other behaviors that do not conform to the professional standards, 5- 10 points will be deducted depending on the circumstances.

Sixth, the ranking of players.

Rank the contestants according to the competition results from high to low. Those who have the same competition results and spend less time completing the task rank first; The result of the competition is the same as the time taken to complete the task, and the one with fewer steps in the control program ranks first. Competition results, task completion time are the same, control program steps are the same, and the rankings are tied.