GB 25492-2010Shakeout - Safety requirements (English PDF)

3.2 Mechanical hazards

3.2.1 shakeout machine operation, which may cause moving parts to persons pinching, shearing, collision, winding and dangerous.

3.2.2 shakeout machine parts due to the form factor, its sharp edges, corners may be cut or stabbed on the person causing danger. Possible danger

3.2.3 shakeout machine parts during use due to loose, loose, broken or dropped, broken, thrown like.

3.2.4 crawl or take the work hanging in the shakeout machine, due to the emphasis on the workpiece slide, spreader strong enough tipping accidents and other causes, shift Moving or falling hazard.

3.2.5 shakeout machine four weeks may cause slipping, tripping hazard. Maintenance personnel to operate or operating narrow space collision may suffer inconvenience Pinched and dangerous.

3.3 Electrical Hazards

3.3.1 direct contact with exposed energized parts or insulation failure of live wires or components may cause electric shock, fire, burns, falls And dangerous.

3.3.2 Control component failure hazard caused by incorrect operation.

3.3.3 The two vibrating motor shakeout machine due to the power supply wiring error caused by a co-rotating and cause dangerous damage to the equipment.

3.4 Thermal hazards

3.4.1 due to high temperatures and sand casting off the sand in the process may result in burns, burns and other dangers.

3.4.2 Since the shakeout machine work continuously at high temperatures, causing the body temperature may result in burns, burns and other dangers.

3.5 noise hazard Due but not limited to the following causes of the shakeout machine noise is too large, resulting in hearing loss, tinnitus, fatigue after long operator work fine God repression and interference auditory danger signals;

--- Unbalance exciter operation;

--- Castings and the like Riser and grid plate collision.

3.6 hazardous materials and substances produced

3.6.1 shakeout machine dust generated during use may pose an aspiration hazard to humans.

3.6.2 fire or explosion hazard of dust produced by the manufacturer.

3.7 Other hazards

3.7.1 By ignoring the risk of ergonomic principles of ergonomics can cause, such as the operating direction is easy to produce errors, inappropriate lighting, too tight Zhang and fatigue.

3.7.2 loading, during transport, much weight, poor stability, components are not fixed, strong enough spreader tipping accidents and other causes, shift Moving or falling hazard.

4.1 Basic requirements

4.1.1 shakeout machine should minimize the risk by design, it intrinsically safe. Can not be properly or fully avoided by design Risk limits should be used security guards to protect the operator.

4.1.2 shakeout machine safety design should be consistent with GB/T 15706.1, GB/T 15706.2 and GB 5083 regulations.

4.1.3 Security sand off the machine shall comply with the provisions of this standard, it should also comply with the relevant provisions of GB 20905.

4.1.4 Control system components related to the safety and security requirements should be designed to comply with the relevant provisions of GB/T 16855.1 of.

4.1.5 shakeout machine should be designed to fully reflect ergonomic principles, and should be consistent with GB/T 14776, GB/T 16251 and other relevant standard Registration requirements.

4.1.6 Who can not be eliminated by design or sufficiently reduced, and its security guards are not completely effective or ineffective legacy wind Insurance, should be through the use of user information notification and warning devices. Use of information is an integral part of the equipment supplied. Use of information should not be To compensate for design flaws or safety devices in place. Safety requirements for mechanical hazards 4.2

4.2.1 shakeout machine should be based on process and structural requirements, a reasonable choice of the type and installation of the exciter. Exciter can choose electric excitation Device (vibration motor), box-type exciter and biaxial exciter; exciter can be installed below (under-vibrating) shakeout machine, the sides (lateral vibration type), the Party (the trembler).

4.2.2 ambient temperature exceeds 40 °C transport type shakeout machine should be used on exciting way; rated load exceeds 30kN feeding formula Shakeout machine should adopt box exciter excitation.

4.2.3 rated load exceeds 200kN fixed shakeout machine should double plastid structure.

4.2.4 Fixed height four weeks shakeout machine guards should be able to prevent head and poured sand scattered.

4.2.5 shakeout shaker machine parts not allow cracks, the rotatable member is not allowed welding dressing; eccentric block should be firmly mounted on the shaft, and should be installed Protective cover.

4.2.6 shakeout machine shaker should lubricate good, reliable seal, should not make dust, debris intrusion. Rolling the maximum temperature should not exceed 90 °C.

4.2.7 shakeout machine direction of rotation of the exciter should meet its technical requirements, and turning the steering or warning signs in the apparent position of the body set up Mark. All screw strength

4.2.8 shakeout machine should not be less than GB/T 3098.1-2000 predetermined intensity level in 8.8, and shall take measures to prevent loose Measures.

4.3 Control System

4.3.1 The control system shall be able to achieve a predetermined sequence of actions and interlock.

4.3.2 electrical interlock should have the function of preventing unexpected failure occurred due to malfunction and/or hazardous events.

4.3.3 Work over the resonance region shakeout machine should stop using dynamic braking, reverse braking should not be used.

4.3.4 should be set in the vicinity of the emergency stop device shakeout machine, reset the emergency stop device should not cause restart. Safety requirements for electrical hazards 4.4

4.4.1 shakeout machine electrical system shall comply with the relevant provisions of GB 5226.1 and GB 16754.

4.4.2 shakeout machine vibration exciter and the drive motor should take reliable grounding measures.

4.4.3 exciter power wiring shall ensure that the steering and the steering or steering flag warning signs uniform requirement. Safety requirements

4.5 Noise dangerous

4.5.1 shakeout machine running under no-load conditions the noise level should not exceed 93dB (A), the use of electric exciter excitation should not exceed 90dB (A). Noise measurement method according to JB/T 6331.2 requirements.

4.5.2 shakeout machine shall be equipped with a closed or semi-closed noise insulation dust cover so that dangerous radiation is minimized.

4.6 Materials and substances dangerous security requirements

4.6.1 shakeout machine in use should be enclosed or semi-enclosed with a dust cover insulation, ventilation and dust removal system and configured or provided with dust removal system is connected Interface. Ventilation equipment shall meet the requirements of dust.

4.6.2 ventilation and dust removal system should be measures to prevent dust clogging the pipeline. Each part should not leak when the phenomenon of dust removal system work 4.6.3.

4.7 Additional security requirements

4.7.1 shakeout machine components should be designed so may result in certain parts of the body by pinching hazards minimized. Avoid body parts The minimum spacing should be consistent with the relevant provisions of GB 23821 and GB 12265.3 of.

4.7.2 accident shakeout machine should be installed in the transport process due to too much weight, poor stability, strong enough spreader other causes tilting, shifting Move or minimize the risk of falling.

5.3 Method 2

--- detection determination With detection instruments, meters preference measurement methods and standardization of existing, required to check whether the provisions defined within. If the measurement method due to the current technical limitations can not prove that the device meets the requirements, or safety requirements and/or qualitative measures Etc. The method given in 5.4,

5.4 Method 3

--- determination calculations and/or viewing pattern The use of calculations and/or drawings to analyze and check the equipment meets the requirements for certain specific requirements (such as stability, center of gravity position, mechanical Strength, etc.) This technique is useful, if only by calculation and/or pattern can not draw definitive conclusions, given the

5.5 method press.

5.5 Method 4

--- observe judgment By visual determination of specified components, check whether the device must have the requirements and performance. NOTE. To investigate the use of information or review includes checking equipment.

6.3 User's Guide

6.3.1 Instructions shall comply with

6.5 and GB/T 9969 provisions of GB/T 15706.2-2007.

6.3.2 shakeout machine's instruction manual should provide at least the following.

a) Prior to any part of the body of the operator in danger zone should first shakeout machine to be stopped;

b) exciter power supply wiring shall ensure that the steering and the steering or steering flag warning signs consistent with the requirements;

c) should always check whether the shakeout machine fasteners are loosening, if loose should be securely in place;

d) should always check whether the spring is not broken and should be replaced if any;

e) should always check the grid plate and the tank if there is open bond portion, if any should be used after welding;

f) should be promptly removed metal grid hole plugs, so as not to affect the shakeout effect;

g) should be promptly removed off the sand around the fallout and other obstacles;

h) used hooks, spreader according to relevant provisions of periodic inspection;

i) periodically lubricate lubrication points.

6.3.3 Instructions shall include the following information. Parameters and characteristics of the data

a) shakeout machine;