Reasonable use regulations and precautions of equipmentTime of issue : 2021- 01-05
1. Use of equipment
(1) Fixed person, fixed machine, voucher operation
All operators of main production equipment must operate with certificate, and they are not allowed to use the equipment without certificate.
① Before the operators independently use the equipment, the factory shall conduct training and examination on the equipment structure, performance, technical specifications, maintenance knowledge, safe operation procedures and practical skills, and issue the operation certificate after passing the examination of the equipment and Tools Department, education department and labor and capital department.
② After training, operators of key equipment, imported equipment, refined, large, rare and key equipment shall pass the examination conducted by the equipment and Tools Department together with relevant departments, and then issue operation certificates.
③ For those who have the ability to operate multi-faceted equipment, they are allowed to operate 2-3 sets of equipment of the same type after passing the examination. For equipment operated by more than one person, the captain responsibility system must be implemented.
④ The personnel who operate and use the equipment temporarily can only use the equipment temporarily with the consent of the leader and the mechanic after training.
⑤ For those who are transferred out of the factory or are no longer using the original equipment due to the change of type of work, they must take back the operation certificate and submit it to the equipment and Tools Department for cancellation.
(2) A number of disciplines for operators to make good use of and manage the equipment are stipulated
In machinery industry system enterprises, the "Five Disciplines" for operators to use and manage equipment well are as follows:
① Use the equipment with the operation certificate and abide by the safety operation regulations;
② Keep the equipment clean and tidy and refuel according to regulations;
③ Follow the shift system;
④ Take good care of tools and accessories, and do not lose them;
⑤ If the fault is found, stop the machine immediately for inspection. If you can't handle it, inform the maintenance department.
(3) Establish and improve the post responsibility system of operators
According to the requirements of the post responsibility system, a special personnel mechanism shall be established for the equipment operated by individuals and operated by one shift; For the equipment operated by three shifts and several people, the captain responsibility system shall be established. In the unit, further division of operating posts and responsibilities, so that each equipment has a special person to manage, everyone has a special responsibility.
(4) Establish and improve the package mechanism
According to the different process characteristics and production conditions of the equipment, appropriate methods can be adopted.
(5) Carry out competition activities of "red flag equipment" and "trustworthy equipment"
The essence of equipment competition is people's competition, mainly aiming at the mental outlook and labor attitude of employees, operation and maintenance technology, and mutual cooperation. Through the competition, the "red flag equipment" was selected, and on this basis, the "trustworthy equipment" was further selected. Appropriate spiritual and material rewards should be given to operators and maintenance personnel of "red flag equipment" and "trustworthy equipment", so as to consolidate the sustainable development of competition activities.
The standards of "red flag equipment" are generally as follows:
① Good completion of tasks, good attendance, good equipment performance, complete parts;
② The use of the equipment meets the specified requirements;
③ Do a good job in cleaning, lubricating, fastening, adjusting and anti-corrosion of equipment;
④ Equipment use records are complete and accurate.
The standard of "trustworthy equipment" is higher than that of "red flag equipment".
(6) Team equipment man
This is in the grass-roots production team, the equipment staff elected by the staff group, to assist the team leader and workshop equipment staff to manage all the equipment in the team. In a larger team, several people can be elected to form an equipment management group.
(7) Cultivate and establish advanced positions or teams
In the production site equipment management, the cultivation and establishment of advanced posts and teams plays an immeasurable role in mobilizing the majority of employees to manage and use the equipment well.
What are the reasons for the loud noise in the work of plastic sheet machine?Time of issue : 2021- 01-05
① The rolling bearing for rotor shaft is seriously worn or the bearing accuracy is low.
② The rotor shaft is bent and deformed.
③ The installation position of carbon brush is incorrect.
④ Safety cover of rotor shaft end blade wiper motor.
(2) V-belt drive part
① The V-belt pulley of plastic sheet machine is not fixed firmly on the transmission shaft or the fit clearance between the two parts is too large.
② The manufacturing accuracy of pulley is low, and the end face or outer circle swing is large.
③ The poor installation quality of the active and passive pulleys makes the high-speed motion track of V-belt not on the same plane, resulting in working noise.
(3) Working parts of gear transmission
① The gear manufacturing accuracy is low and the pitch error is large.
② The center distance error of the transmission shaft of a pair of meshing gears is large. When the center distance is smaller than the standard, the interference sound between the teeth of the meshing transmission is generated; When the center distance is greater than the standard value, the impact sound will be produced.
③ The rolling bearing on the transmission shaft is worn seriously or the precision is low.
④ The center lines of the two transmission shafts on the gears are not parallel, so that the two gears can not mesh correctly.
⑤ The lubrication condition of a pair of meshing gears is poor. There is not enough lubricating oil
(4) Screw part of plastic sheet machine barrel
① The screw is assembled in the barrel, and the concentricity accuracy of the two parts is low.
② The perpendicularity error between the end face of the barrel and the flange end face of the barrel base and the center line of the barrel is large.
③ The screw is bent and deformed. The straightness error of the axis center line is too large.
④ The assembly clearance between the screw and its transmission shaft is too large. The center line of the two shafts is different from each other during the working rotation, so the error is large.
What are the precautions for the safety of mechanical equipment?Time of issue : 2021- 01-05
As one of the necessary conditions for daily production and construction of enterprises, mechanical equipment is the foundation of the survival and development of enterprises. It has an important impact on the production efficiency and production quality of enterprises, and is one of the important means to improve the profits of enterprises. The safety management of mechanical equipment has always been the key and difficult point of enterprise safety management.
Precautions for mechanical safety
Safety precautions for mechanical equipment
1、 Prevent general mechanical injury
As a construction and production tool, the main body of production and operation of mechanical equipment is enterprise employees; Therefore, the enterprise should take necessary measures to implement relevant system arrangements to ensure the safety of the production and operation of the employees themselves.
1. Before the employees take up the post, they must undergo necessary skills training and safety training, and can only take the post after mastering the operation essentials of equipment and relevant safety precautions.
2. The enterprise shall strictly implement the relevant safety responsibility rules and regulations and the requirements of the operation standards for employees.
3. Employees must wear personal protective equipment correctly, and do not wear uneven, less or even not, without saving money; In the construction and production, the correct and comprehensive wearing of personal protective equipment can help prevent general injury in the mechanical equipment operation project, such as dust, abrasion and bleeding; Long hair must wear working hat, must wear three tight (neckline tight, sleeve tight, hem tight) work clothes, can not wear necklace and other hanging objects, operating rotary machine tool can not wear gloves.
4. The safety protection device of mechanical equipment must be used correctly according to the regulations, and it is not allowed to be used or removed. If any wear, aging or other conditions that fail to meet the safety protection are found, the relevant responsible person shall be informed in time for maintenance and replacement;
How to maintain machinery and equipmentTime of issue : 2021- 01-05
The content of equipment maintenance is to keep the equipment clean, tidy, well lubricated and safe operation, including fastening the loose fasteners in time, adjusting the clearance of the moving parts, etc. In short, that is "cleaning, lubrication, fastening, adjustment, anti-corrosion" cross operation method. Practice has proved that the service life of the equipment is largely determined by the quality of maintenance. Maintenance is divided into daily maintenance, first level maintenance, second level maintenance and third level maintenance according to workload and difficulty.
Daily maintenance, also known as routine maintenance. Its main contents are: cleaning, lubrication, fastening easy to loose parts, check the integrity of parts and components. This kind of maintenance items and parts are few, most of them are outside the equipment.
First level maintenance, the main content is: generally tightening, cleaning, lubrication, fastening, but also part of the adjustment. Daily maintenance and first level maintenance are generally undertaken by operators.
Secondary maintenance. The main contents include internal cleaning, lubrication, local disassembly inspection and adjustment.
Three level maintenance. It is mainly to check and adjust the main part of the equipment, and replace the parts that reach the specified wear limit when necessary. In addition, the wear of main parts should be measured, identified and recorded. Second level maintenance and third level maintenance are generally undertaken by full-time maintenance workers with the participation of operators.
Key research and analysis of plastic machinery development in ChinaTime of issue : 2021- 01-05
At present, China has become a big consumer of plastic machinery in the world. Although it has developed rapidly, its achievements are still remarkable. There are still some deficiencies in science and technology and personnel training. There are still some defects in many plastic machinery products, such as high energy consumption and low efficiency.
Enterprises need to do a good job in market positioning, in-depth study of the determined market; Using design means to provide equipment to meet the market demand. Government management agencies or national industry organizations should establish a relatively complete system of information collection, statistics, evaluation and dissemination, and release relevant data statistics and market quotations in the industry. The contents can involve the development status of the industry, industry warning, problems that need to be paid attention to in the industry, equipment that need to be developed, problems to be solved, etc., so as to provide basis for enterprise decision-making.
According to the current situation of the industry, we should continue to encourage enterprises to acquire high and new technology by means of joint venture, cooperation and license transfer, but we should prevent foreign capital from swallowing domestic enterprises through joint venture; Formulate corresponding policies to encourage enterprises to increase investment in science and technology and product development, and focus on supporting independent research and development of high-efficiency and energy-saving plastic injection molding machines, lightweight technology and equipment for plastic products, and high-efficiency and low pollution plastic recycling technology and equipment; Enterprises are encouraged to apply for enterprise technology centers at all levels, cooperate with scientific research institutions to establish plastic machine R & D institutions, and actively use government innovation funds to improve the independent development and innovation ability of domestic enterprises.
It is very important to improve the competitiveness of the plastic machinery industry and strengthen personnel training. Therefore, it is particularly important to absorb senior management personnel and engineering and technical personnel suitable for the development of the industry. It is also necessary to train on-the-job personnel and update the knowledge structure.
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