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If the tightening is unqualified, then the employee must re-tighten it and re-reach the qualified state, otherwise he will be fined.
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The unqualified employees who are tightened by the blessing machine must be reworked, and after the rework, they will be inspected by a professional inspector, and if they are qualified, they can be normal products or sales.
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If the tightening is unqualified, it is best to re-operate it, so that he can have a better qualification rule, which is a good way to deal with it.
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How to deal with unqualified employees at the Sifu level? Unqualified employees should quickly stop their work, stop the machine to reintegrate and adjust, and work after the machine is adjusted.
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If you're not qualified, right? You can twist a wrench with a torque wrench, and you can enter here, a torque wrench, which is a more commonly used accompaniment.
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Children seem to tighten unqualified employees how to deal with employees is unable to cope, only the staff in the factory can check, meet the unqualified, I hope to help you.
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The servo tightening is not qualified, and in this case it should be punished with a certain penalty.
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This is just a matter of repeating until you are qualified.
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I'm glad to have this question for you, and I feel that because you are not qualified, the employee should be complained about or fined.
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If my master is not qualified this year, the employee should find a way to deal with it, and if this treatment is handled, it should be dealt with according to what causes it.
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Otherwise, if you are happy to fight this for you, at the end of the year, if the unqualified employees deal with the general situation, you can consult all the way, and you can see the situation and make a change, and you can get the school? Know you're happy to answer for you.
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Sunshine should add to education management.
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When using the machine, if it has been tightened and still fails, then the employee should immediately re-unscrew the screw and re-tighten it again.
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How to deal with this when the server tightens the unqualified employees is not the same for everyone.
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Personally, I think that employees should report it in time, and then report this information to their own leaders, and then listen to the leader's disposal.
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How to deal with unqualified employees of the servo machine with Ningjing, it may be to learn some lessons from this or not paying attention.
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So who wants to be cautious shoes, to say this will always affect some very big things that may lead to some bad things.
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If it is not qualified, then the employee needs to be retrained.
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4 volt machine tightening unqualified employees can cope.
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How should unqualified employees deal with Shifu Street Tranquility?
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How should the master and unqualified employees deal with the annual inspection?
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If the server tightening is unqualified, the employee should report it.
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How should employees who fail to pass the annual inspection deal with it? This specific should be in the actual detection of this aspect of the news, to do all the perfect work.
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The server tightening is unqualified, how should employees respond? You have to re-tighten it, remove the unqualified ones again, and make a new one.
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The payment institutions are unbanned, and then they cause them problems, and then that's the phenomenon, and then the problem is fine.
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I'm in this business, and I'm doing the Moon automation brand. The principle of the tightening machine is more complicated, and the simple point is to use the servo motor as the power unit, connect the deceleration mechanism, increase the output torque, and detect the torque when connecting the torque sensor. The torque sensor and servo motor form a closed-loop control, which can accurately control the output torque, angle, number of turns and other parameters.
Now it is very common in the assembly line of major automobile production.
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Working principle of the tightening machine: the feedback electrical signal from the torque sensor of the machine head is transmitted to the servo motor, which drives the reducer, and then connects to the sensor to form a closed-loop control to achieve the set torque requirements.
Servo motor + reducer + torque sensor = servo nutrunner.
Servo motor: as a power source, output power.
Reducer: Increases torque torque.
Torque sensor: detects torque, torque angle and servo motor to form a closed-loop control.
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It is widely used in: product assembly and assembly, locomotive, shipbuilding, aircraft manufacturing, electronics, electrical appliances, instrument assembly, furniture, window and door assembly, metal and non-metal processing, parts production, and other industries and fields, machine supporting includes: packaging machinery, capping machine, tightening machine, machine tool, tool, paper machinery, printing machinery, food machinery, auto parts, woodworking machinery, chemical machinery, mining machinery, engineering machinery, petroleum machinery, ships, medical equipment, pharmaceutical machinery, measuring instruments, etc.
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1. Introduction At present, the tightening accuracy of electric multi-shaft nut tightening machines produced by many domestic manufacturers often fails to meet the production requirements, or the performance is unstable. The main reason is that most of the industrial control computers and various boards are used to form the control core, or programmable controllers (PLC) are used, but due to the slow response speed of the microcomputer or PLC of these two methods, it is bound to affect the tightening accuracy.
The system adopts a distributed structure, and develops a superior coordination unit and a single-axis control unit with 89C51 as the core, and each unit works independently in the tightening process to ensure rapid response. The upper unit coordinates the tightening steps between the shafts according to the process requirements, and at the same time uses serial communication to exchange information with the management computer, which not only ensures the tightening accuracy, but also has the functions of computer monitoring and data management.
2. System composition and working principle The composition of the control system of the electric multi-axis nut tightening machine (taking the ten-axis system as an example). The management computer sets the tightening process parameters (such as the starting torque of the tightening angle, the angle value, the torque value and the required error range, etc.) and the internal parameters of the system (such as the speed used by the system for each tightening process, various protection parameters, data transmission intervals, etc.); The operation management of the team, receiving the tightening process and tightening results of each shaft transmitted by the coordination unit and storing them in the database, has the function of finding and printing the tightening results; Receive the specified shaft tightening process curve transmitted by the coordination unit and display it in real time, and the valuable curves can be stored on the hard disk according to requirements, and can be called up for display or printed p-> at any time
The torque rise and fall process and the yield point reflected by the curve can be used to analyze the material and processing of the tightened part;
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The first is to improve the assembly quality, which can accurately adopt a variety of tightening processes such as fixed torque angle monitoring, fixed angle torque monitoring, yield point control, etc., which can divide the assembly process into multiple steps to ensure the assembly quality to the greatest extent.
The second is to improve production efficiency, in the case of tight production beat, the use of multi-axis tightening machine can greatly improve production efficiency.
The third is to reduce labor intensity, and the multi-shaft tightening machine can be designed in a fully automatic way, which greatly reduces the labor intensity of operators.
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Servo tightening machines, many years ago, there is no need to buy imports, because tariffs, exchange rates, profits, brand premiums, etc., are more expensive. Inside the servo motor, reducer sensor, control software these are good or imported on the line. SCI is the Japanese Yaskawa, APEX deceleration, German BHM strain gauge.
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A relatively small change in the friction of the nut face of a bolt can have a significant impact on the bolt preload. Since more torque may be required to overcome friction, there is less residue of bolt elongation, which adversely reduces the preload. If the friction under the nut face decreases, the bolt preload will increase for a given torque.
Starting stage: the tightening head starts and accelerates, and the starting speed, tightening speed, and acceleration time are set by the user according to the tightening process for high-speed tightening: the tightening shaft runs at the speed set by the tightening high-speed parameters, and the stage ends after the rotation reaches the high-speed turn, and enters the medium-speed tightening stage; If the tightening torque reaches or exceeds the medium-speed torque before the high-speed number of revolutions is reached, it will be judged whether the number of tightening revolutions (the total number of revolutions from the start of operation to the current moment) is greater than the lower limit of the number of turns, and if so, the low-speed tightening phase will be entered.
If not, it is considered that the tightening is abnormal (usually the user judges whether the bolt thread is abnormal or whether there is a problem with the bolt installation), and the tightening is terminated and warned.
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