Discomfort caused by the height of the working surface The operator working on a large stamping equipment station is generally standing feeding. Because the working surface height is fixed, it is generally below the height of the elbow, and the staff generally bends and feeds. Due to the long-term continuous work of the staff, this working posture causes the spine to deform for a long time, which causes spine bone lesions and causes spinal diseases such as cervical spondylitis and lumbar disc herniation. Standing for a long time can also cause backache, leg strain, lumbar muscle strain, and varicose veins of the lower extremities. When the worker uses the upper limb to feed, due to the inconsistency between the height of the work surface and the height of the upper arm, the upper arm cannot sag naturally, and the upper arm muscle is always in a tension state, causing muscle soreness and joint disease.

This kind of appearance of the device lacks emotional communication with the operator, making it impossible for the operator to self-fulfill and self-affirm from the operation process. Long-term operation of such a poorly designed equipment, psychological pressure will gradually increase, they do not feel the progress of science and technology, think that their work is out of touch with the pace of modern life. When working, it is easy to be impetuous, tired, and irritated. He has been working with boring emotions. This kind of emotion will be brought into their daily life, which seriously affects mental health.

Improved design for various unhealthy factors to improve the acoustic environment to improve the acoustic environment of such work, mainly from three aspects: control the noise source, block the path of noise transmission, and use personal protective measures. The noise generated during the production of mechanical forging equipment is mainly mechanical noise and aerodynamic noise. These noises come from the rotation of the motor, the friction between the belt and the pulley in the drive train, the collision of the gears, the role of the clutch, and the process of punching the forgings. The vibration of the parts caused by the impact force. Various noise sources should be denoised in the design.

In terms of blocking noise transmission, various sound insulation boards, sound insulation boards, and sound absorption boards can be installed in the vicinity of various noise sources. Now, a new active noise cancellation technology has emerged. On the basis of spectrum analysis of noise, it uses an active noise generated by another noise with the same phase and opposite phase to cancel the near-complete noise reduction effect. In terms of personal protection, optional personal protective equipment includes soundproof helmets, earmuffs, earplugs, and the like. And you can use the natural "selection characteristics" of the human ear to the sound, you can configure the headset for the staff, use "music therapy" to reduce the noise damage to the workers' hearing.

The selected local illumination illumination should not be too strong compared with the illumination of general illumination to avoid glare. When using the lamp-type table lamp, a deep lamp cover or light barrier should be installed to avoid direct glare. At the same time, the reflection glare of the workbench should be avoided. Try to use diffused lamps or illuminators with frosted bulbs. Adjust the direction of the light so that the light is evenly and evenly spread over the work surface. A variety of new energy-saving eye protection lamps should also be added to the local lighting, which is of great significance for improving the lighting conditions and curing the eyes of the staff.

The design of the liftable footrest is not suitable for the height-adjustable workbench because the forged work surface is subjected to a large impact force. If the height of the workbench matches the size of the person's body, a liftable platform can be designed to suit the height of the different operators. Workers' hands protection design and equipment management foot buttons can help increase productivity, but such operations are risky. While retaining the foot switch, it is necessary to install a photoelectric protection device near the punch. When the device detects that the human hand is still in a dangerous area, the signal it sends will prevent the punch from falling and protect the safety of the worker's hands.

Due to the forging process of manual feeding, the forgings are mostly sheet-like sheets, and an automatic feeding device at the hand end can be designed, and the operation button is placed on the device, so that the hands of the workers are always kept at a certain distance from the punch. This improves work efficiency while ensuring the safety of workers. At the same time, a good equipment management system can improve the reliability of the stamping equipment. When potential faults exist, the equipment is maintained and maintained, and maintenance maintenance is performed regularly to modulate the state of the equipment. In this way, the failure rate of the internal part mechanism is reduced, and the possibility of a finger accident due to the failure of the part is reduced. The improvement of the appearance of the design of the new era of the machine should have a new era of atmosphere, the growing cultural needs and spiritual needs should also be reflected in heavy machinery, the shape of stamping machinery should also keep up with the pace of fashion, fully reflect modern high technology The visual and psychological aesthetics that technology brings to people.

(Finish)

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