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| Large machining of safety is very important
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For mechanical processing equipment, machinery processing device must have sufficient strength , stiffness , stability, and safety factor and life , in order to ensure the safety of personnel and equipment , on its security requirements are mainly includes : the main structural requirements , control agency requirements , protective equipment inspection and maintenance requirements as well as requirements of this four part because large machining contains a lot of content , so today introduced mainly structural requirements , the following have to specifically tell us about :
I. Materials
Machining materials used in the device itself should meet safety and health requirements , does not allow the use of harmful materials and without the safety and health inspection of the material.
Second, the shape
The shape of the structure machining equipment should be smooth, avoid sharp corners and edges.
Third, the moving parts
1, where the damage accident prone moving parts shall be enclosed or shielded , or take other measures to avoid operator exposure protective measures.
2 , to the operator of the standing plane as the base, which has a height of less than 2m gear must be set various protective devices , more than 2m in height and material handling equipment shall be provided with protective gear unit .
3 , in order to avoid crushing injuries, linear motion or linear motion between components parts and the distance between the stationary parts must meet the requirements.
4 , mechanical processing equipment should be set according to need a reliable stopper .
5 , machining equipment must occur that may result from overload damaged parts set overload safety device .
6 , high-speed rotation of the moving parts should make the necessary static balance or balancing test .
7 , there is inertia collision of moving parts must be taken to reliable buffering measures to prevent injuries caused due to inertia .
Fourth, the working position
1 , machining equipment, work location should be safe and reliable, and should ensure that the operator's head, hands , arms, legs, feet are in line with the requirements of psychological and physiological enough space .
2, the mechanical processing equipment should be given priority seats for easy adjustment of working to increase operator comfort and ease of operation .
3 , machining equipment, work location should ensure operator safety , non-slip platform and channel must , if necessary, set the pedal and railings , platforms and railings must conform to GB 4053.4, GB 4053.3 requirements.
4 , machining equipment shall be provided with safe voltage of local lighting devices.
Fifth, the processing zone
1, where the processing area of the injury-prone equipment, should take effective protective measures.
Two protective measures should ensure that the equipment in working condition to prevent any part of the body of the operator to enter the danger zone , or entering the danger zone to ensure that equipment can not operate ( OK ) or for emergency braking .
3 , machining equipment should be individually or simultaneously with the following protective measures:
( 1 ) completely fixed and semi-fixed airtight cover ;
( 2 ) mechanical or electrical barrier ;
( 3 ) mechanical or electrical interlocks ;
( 4 ) automatic or semi-automatic feeding feeding device ;
( 5 ) Hand limiter , hand release mechanism ;
( 6 ) hands off mechanical or electrical means ;
( 7 ) Automatic or manual emergency stop device . |
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